#include <openssl/core_dispatch.h>
#include <openssl/rand.h>
#include <openssl/params.h>
+#include <openssl/err.h>
+#include <openssl/proverr.h>
+#include <openssl/pkcs12.h>
+#include <openssl/provider.h>
+#include <assert.h>
+#include <openssl/asn1.h>
+#include <openssl/asn1t.h>
+#include <openssl/core_object.h>
+#include "internal/asn1.h"
/* For TLS1_3_VERSION */
#include <openssl/ssl.h>
#include "internal/nelem.h"
+#include "internal/refcount.h"
+
+/* error codes */
+
+/* xorprovider error codes */
+#define XORPROV_R_INVALID_DIGEST 1
+#define XORPROV_R_INVALID_SIZE 2
+#define XORPROV_R_INVALID_KEY 3
+#define XORPROV_R_UNSUPPORTED 4
+#define XORPROV_R_MISSING_OID 5
+#define XORPROV_R_OBJ_CREATE_ERR 6
+#define XORPROV_R_INVALID_ENCODING 7
+#define XORPROV_R_SIGN_ERROR 8
+#define XORPROV_R_LIB_CREATE_ERR 9
+#define XORPROV_R_NO_PRIVATE_KEY 10
+#define XORPROV_R_BUFFER_LENGTH_WRONG 11
+#define XORPROV_R_SIGNING_FAILED 12
+#define XORPROV_R_WRONG_PARAMETERS 13
+#define XORPROV_R_VERIFY_ERROR 14
+#define XORPROV_R_EVPINFO_MISSING 15
static OSSL_FUNC_keymgmt_import_fn xor_import;
static OSSL_FUNC_keymgmt_import_types_fn xor_import_types;
unsigned char pubkey[XOR_KEY_SIZE];
int hasprivkey;
int haspubkey;
+ char *tls_name;
+ CRYPTO_REF_COUNT references;
+ CRYPTO_RWLOCK *lock;
} XORKEY;
+/* Key Management for the dummy XOR KEX, KEM and signature algorithms */
-/* Key Management for the dummy XOR KEX and KEM algorithms */
-
-static OSSL_FUNC_keymgmt_new_fn xor_newdata;
-static OSSL_FUNC_keymgmt_free_fn xor_freedata;
+static OSSL_FUNC_keymgmt_new_fn xor_newkey;
+static OSSL_FUNC_keymgmt_free_fn xor_freekey;
static OSSL_FUNC_keymgmt_has_fn xor_has;
static OSSL_FUNC_keymgmt_dup_fn xor_dup;
static OSSL_FUNC_keymgmt_gen_init_fn xor_gen_init;
static OSSL_FUNC_keymgmt_gen_settable_params_fn xor_gen_settable_params;
static OSSL_FUNC_keymgmt_gen_fn xor_gen;
static OSSL_FUNC_keymgmt_gen_cleanup_fn xor_gen_cleanup;
+static OSSL_FUNC_keymgmt_load_fn xor_load;
static OSSL_FUNC_keymgmt_get_params_fn xor_get_params;
static OSSL_FUNC_keymgmt_gettable_params_fn xor_gettable_params;
static OSSL_FUNC_keymgmt_set_params_fn xor_set_params;
* together. Don't use this!
*/
-static OSSL_FUNC_keyexch_newctx_fn xor_newctx;
+static OSSL_FUNC_keyexch_newctx_fn xor_newkemkexctx;
static OSSL_FUNC_keyexch_init_fn xor_init;
static OSSL_FUNC_keyexch_set_peer_fn xor_set_peer;
static OSSL_FUNC_keyexch_derive_fn xor_derive;
* Don't use this!
*/
-static OSSL_FUNC_kem_newctx_fn xor_newctx;
+static OSSL_FUNC_kem_newctx_fn xor_newkemkexctx;
static OSSL_FUNC_kem_freectx_fn xor_freectx;
static OSSL_FUNC_kem_dupctx_fn xor_dupctx;
static OSSL_FUNC_kem_encapsulate_init_fn xor_init;
static OSSL_FUNC_kem_decapsulate_init_fn xor_init;
static OSSL_FUNC_kem_decapsulate_fn xor_decapsulate;
+/*
+ * Common key management table access functions
+ */
+static OSSL_FUNC_keymgmt_new_fn *
+xor_prov_get_keymgmt_new(const OSSL_DISPATCH *fns)
+{
+ /* Pilfer the keymgmt dispatch table */
+ for (; fns->function_id != 0; fns++)
+ if (fns->function_id == OSSL_FUNC_KEYMGMT_NEW)
+ return OSSL_FUNC_keymgmt_new(fns);
+
+ return NULL;
+}
+
+static OSSL_FUNC_keymgmt_free_fn *
+xor_prov_get_keymgmt_free(const OSSL_DISPATCH *fns)
+{
+ /* Pilfer the keymgmt dispatch table */
+ for (; fns->function_id != 0; fns++)
+ if (fns->function_id == OSSL_FUNC_KEYMGMT_FREE)
+ return OSSL_FUNC_keymgmt_free(fns);
+
+ return NULL;
+}
+
+static OSSL_FUNC_keymgmt_import_fn *
+xor_prov_get_keymgmt_import(const OSSL_DISPATCH *fns)
+{
+ /* Pilfer the keymgmt dispatch table */
+ for (; fns->function_id != 0; fns++)
+ if (fns->function_id == OSSL_FUNC_KEYMGMT_IMPORT)
+ return OSSL_FUNC_keymgmt_import(fns);
+
+ return NULL;
+}
+
+static OSSL_FUNC_keymgmt_export_fn *
+xor_prov_get_keymgmt_export(const OSSL_DISPATCH *fns)
+{
+ /* Pilfer the keymgmt dispatch table */
+ for (; fns->function_id != 0; fns++)
+ if (fns->function_id == OSSL_FUNC_KEYMGMT_EXPORT)
+ return OSSL_FUNC_keymgmt_export(fns);
+
+ return NULL;
+}
+
+static void *xor_prov_import_key(const OSSL_DISPATCH *fns, void *provctx,
+ int selection, const OSSL_PARAM params[])
+{
+ OSSL_FUNC_keymgmt_new_fn *kmgmt_new = xor_prov_get_keymgmt_new(fns);
+ OSSL_FUNC_keymgmt_free_fn *kmgmt_free = xor_prov_get_keymgmt_free(fns);
+ OSSL_FUNC_keymgmt_import_fn *kmgmt_import =
+ xor_prov_get_keymgmt_import(fns);
+ void *key = NULL;
+
+ if (kmgmt_new != NULL && kmgmt_import != NULL && kmgmt_free != NULL) {
+ if ((key = kmgmt_new(provctx)) == NULL
+ || !kmgmt_import(key, selection, params)) {
+ kmgmt_free(key);
+ key = NULL;
+ }
+ }
+ return key;
+}
+
+static void xor_prov_free_key(const OSSL_DISPATCH *fns, void *key)
+{
+ OSSL_FUNC_keymgmt_free_fn *kmgmt_free = xor_prov_get_keymgmt_free(fns);
+
+ if (kmgmt_free != NULL)
+ kmgmt_free(key);
+}
/*
* We define 2 dummy TLS groups called "xorgroup" and "xorkemgroup" for test
#define XORGROUP_NAME "xorgroup"
#define XORGROUP_NAME_INTERNAL "xorgroup-int"
static struct tls_group_st xor_group = {
- 0, /* group_id, set by randomize_tls_group_id() */
+ 0, /* group_id, set by randomize_tls_alg_id() */
128, /* secbits */
TLS1_3_VERSION, /* mintls */
0, /* maxtls */
#define XORKEMGROUP_NAME "xorkemgroup"
#define XORKEMGROUP_NAME_INTERNAL "xorkemgroup-int"
static struct tls_group_st xor_kemgroup = {
- 0, /* group_id, set by randomize_tls_group_id() */
+ 0, /* group_id, set by randomize_tls_alg_id() */
128, /* secbits */
TLS1_3_VERSION, /* mintls */
0, /* maxtls */
#define NUM_DUMMY_GROUPS 50
static char *dummy_group_names[NUM_DUMMY_GROUPS];
+/*
+ * We define a dummy TLS sigalg called for test purposes
+ */
+struct tls_sigalg_st {
+ unsigned int code_point; /* for "tls-sigalg-alg", see provider-base(7) */
+ unsigned int secbits;
+ unsigned int mintls;
+ unsigned int maxtls;
+};
+
+#define XORSIGALG_NAME "xorhmacsig"
+#define XORSIGALG_OID "1.3.6.1.4.1.16604.998888.1"
+#define XORSIGALG_HASH_NAME "xorhmacsha2sig"
+#define XORSIGALG_HASH "SHA256"
+#define XORSIGALG_HASH_OID "1.3.6.1.4.1.16604.998888.2"
+#define XORSIGALG12_NAME "xorhmacsig12"
+#define XORSIGALG12_OID "1.3.6.1.4.1.16604.998888.3"
+
+static struct tls_sigalg_st xor_sigalg = {
+ 0, /* alg id, set by randomize_tls_alg_id() */
+ 128, /* secbits */
+ TLS1_3_VERSION, /* mintls */
+ 0, /* maxtls */
+};
+
+static struct tls_sigalg_st xor_sigalg_hash = {
+ 0, /* alg id, set by randomize_tls_alg_id() */
+ 128, /* secbits */
+ TLS1_3_VERSION, /* mintls */
+ 0, /* maxtls */
+};
+
+static struct tls_sigalg_st xor_sigalg12 = {
+ 0, /* alg id, set by randomize_tls_alg_id() */
+ 128, /* secbits */
+ TLS1_2_VERSION, /* mintls */
+ TLS1_2_VERSION, /* maxtls */
+};
+
+static const OSSL_PARAM xor_sig_nohash_params[] = {
+ OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_SIGALG_IANA_NAME,
+ XORSIGALG_NAME, sizeof(XORSIGALG_NAME)),
+ OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_SIGALG_NAME,
+ XORSIGALG_NAME,
+ sizeof(XORSIGALG_NAME)),
+ OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_SIGALG_OID,
+ XORSIGALG_OID, sizeof(XORSIGALG_OID)),
+ OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_SIGALG_CODE_POINT,
+ &xor_sigalg.code_point),
+ OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_SIGALG_SECURITY_BITS,
+ &xor_sigalg.secbits),
+ OSSL_PARAM_int(OSSL_CAPABILITY_TLS_SIGALG_MIN_TLS,
+ &xor_sigalg.mintls),
+ OSSL_PARAM_int(OSSL_CAPABILITY_TLS_SIGALG_MAX_TLS,
+ &xor_sigalg.maxtls),
+ OSSL_PARAM_END
+};
+
+static const OSSL_PARAM xor_sig_hash_params[] = {
+ OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_SIGALG_IANA_NAME,
+ XORSIGALG_HASH_NAME, sizeof(XORSIGALG_HASH_NAME)),
+ OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_SIGALG_NAME,
+ XORSIGALG_HASH_NAME,
+ sizeof(XORSIGALG_HASH_NAME)),
+ OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_SIGALG_HASH_NAME,
+ XORSIGALG_HASH, sizeof(XORSIGALG_HASH)),
+ OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_SIGALG_OID,
+ XORSIGALG_HASH_OID, sizeof(XORSIGALG_HASH_OID)),
+ OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_SIGALG_CODE_POINT,
+ &xor_sigalg_hash.code_point),
+ OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_SIGALG_SECURITY_BITS,
+ &xor_sigalg_hash.secbits),
+ OSSL_PARAM_int(OSSL_CAPABILITY_TLS_SIGALG_MIN_TLS,
+ &xor_sigalg_hash.mintls),
+ OSSL_PARAM_int(OSSL_CAPABILITY_TLS_SIGALG_MAX_TLS,
+ &xor_sigalg_hash.maxtls),
+ OSSL_PARAM_END
+};
+
+static const OSSL_PARAM xor_sig_12_params[] = {
+ OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_SIGALG_IANA_NAME,
+ XORSIGALG12_NAME, sizeof(XORSIGALG12_NAME)),
+ OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_SIGALG_NAME,
+ XORSIGALG12_NAME,
+ sizeof(XORSIGALG12_NAME)),
+ OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_SIGALG_OID,
+ XORSIGALG12_OID, sizeof(XORSIGALG12_OID)),
+ OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_SIGALG_CODE_POINT,
+ &xor_sigalg12.code_point),
+ OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_SIGALG_SECURITY_BITS,
+ &xor_sigalg12.secbits),
+ OSSL_PARAM_int(OSSL_CAPABILITY_TLS_SIGALG_MIN_TLS,
+ &xor_sigalg12.mintls),
+ OSSL_PARAM_int(OSSL_CAPABILITY_TLS_SIGALG_MAX_TLS,
+ &xor_sigalg12.maxtls),
+ OSSL_PARAM_END
+};
+
static int tls_prov_get_capabilities(void *provctx, const char *capability,
OSSL_CALLBACK *cb, void *arg)
{
- int ret;
+ int ret = 0;
int i;
const char *dummy_base = "dummy";
const size_t dummy_name_max_size = strlen(dummy_base) + 3;
- if (strcmp(capability, "TLS-GROUP") != 0) {
- /* We don't support this capability */
- return 0;
- }
-
- /* Register our 2 groups */
- ret = cb(xor_group_params, arg);
- ret &= cb(xor_kemgroup_params, arg);
+ if (strcmp(capability, "TLS-GROUP") == 0) {
+ /* Register our 2 groups */
+ ret = cb(xor_group_params, arg);
+ ret &= cb(xor_kemgroup_params, arg);
- /*
- * Now register some dummy groups > GROUPLIST_INCREMENT (== 40) as defined
- * in ssl/t1_lib.c, to make sure we exercise the code paths for registering
- * large numbers of groups.
- */
+ /*
+ * Now register some dummy groups > GROUPLIST_INCREMENT (== 40) as defined
+ * in ssl/t1_lib.c, to make sure we exercise the code paths for registering
+ * large numbers of groups.
+ */
- for (i = 0; i < NUM_DUMMY_GROUPS; i++) {
- OSSL_PARAM dummygroup[OSSL_NELEM(xor_group_params)];
+ for (i = 0; i < NUM_DUMMY_GROUPS; i++) {
+ OSSL_PARAM dummygroup[OSSL_NELEM(xor_group_params)];
- memcpy(dummygroup, xor_group_params, sizeof(xor_group_params));
+ memcpy(dummygroup, xor_group_params, sizeof(xor_group_params));
- /* Give the dummy group a unique name */
- if (dummy_group_names[i] == NULL) {
- dummy_group_names[i] = OPENSSL_zalloc(dummy_name_max_size);
- if (dummy_group_names[i] == NULL)
- return 0;
- BIO_snprintf(dummy_group_names[i],
+ /* Give the dummy group a unique name */
+ if (dummy_group_names[i] == NULL) {
+ dummy_group_names[i] = OPENSSL_zalloc(dummy_name_max_size);
+ if (dummy_group_names[i] == NULL)
+ return 0;
+ BIO_snprintf(dummy_group_names[i],
dummy_name_max_size,
"%s%d", dummy_base, i);
+ }
+ dummygroup[0].data = dummy_group_names[i];
+ dummygroup[0].data_size = strlen(dummy_group_names[i]) + 1;
+ ret &= cb(dummygroup, arg);
}
- dummygroup[0].data = dummy_group_names[i];
- dummygroup[0].data_size = strlen(dummy_group_names[i]) + 1;
- ret &= cb(dummygroup, arg);
}
+ if (strcmp(capability, "TLS-SIGALG") == 0) {
+ ret = cb(xor_sig_nohash_params, arg);
+ ret &= cb(xor_sig_hash_params, arg);
+ ret &= cb(xor_sig_12_params, arg);
+ }
return ret;
}
+typedef struct {
+ OSSL_LIB_CTX *libctx;
+} PROV_XOR_CTX;
+
+static PROV_XOR_CTX *xor_newprovctx(OSSL_LIB_CTX *libctx)
+{
+ PROV_XOR_CTX* prov_ctx = OPENSSL_malloc(sizeof(PROV_XOR_CTX));
+
+ if (prov_ctx == NULL)
+ return NULL;
+
+ if (libctx == NULL) {
+ OPENSSL_free(prov_ctx);
+ return NULL;
+ }
+ prov_ctx->libctx = libctx;
+ return prov_ctx;
+}
+
+
+
+#define PROV_XOR_LIBCTX_OF(provctx) (((PROV_XOR_CTX *)provctx)->libctx)
+
/*
- * Dummy "XOR" Key Exchange algorithm. We just xor the private and public keys
- * together. Don't use this!
+ * Dummy "XOR" Key Exchange and signature algorithm. We just xor the
+ * private and public keys together. Don't use this!
*/
typedef struct {
XORKEY *key;
XORKEY *peerkey;
void *provctx;
-} PROV_XOR_CTX;
+} PROV_XORKEMKEX_CTX;
-static void *xor_newctx(void *provctx)
+static void *xor_newkemkexctx(void *provctx)
{
- PROV_XOR_CTX *pxorctx = OPENSSL_zalloc(sizeof(PROV_XOR_CTX));
+ PROV_XORKEMKEX_CTX *pxorctx = OPENSSL_zalloc(sizeof(PROV_XORKEMKEX_CTX));
if (pxorctx == NULL)
return NULL;
static int xor_init(void *vpxorctx, void *vkey,
ossl_unused const OSSL_PARAM params[])
{
- PROV_XOR_CTX *pxorctx = (PROV_XOR_CTX *)vpxorctx;
+ PROV_XORKEMKEX_CTX *pxorctx = (PROV_XORKEMKEX_CTX *)vpxorctx;
if (pxorctx == NULL || vkey == NULL)
return 0;
static int xor_set_peer(void *vpxorctx, void *vpeerkey)
{
- PROV_XOR_CTX *pxorctx = (PROV_XOR_CTX *)vpxorctx;
+ PROV_XORKEMKEX_CTX *pxorctx = (PROV_XORKEMKEX_CTX *)vpxorctx;
if (pxorctx == NULL || vpeerkey == NULL)
return 0;
static int xor_derive(void *vpxorctx, unsigned char *secret, size_t *secretlen,
size_t outlen)
{
- PROV_XOR_CTX *pxorctx = (PROV_XOR_CTX *)vpxorctx;
+ PROV_XORKEMKEX_CTX *pxorctx = (PROV_XORKEMKEX_CTX *)vpxorctx;
int i;
if (pxorctx->key == NULL || pxorctx->peerkey == NULL)
static void *xor_dupctx(void *vpxorctx)
{
- PROV_XOR_CTX *srcctx = (PROV_XOR_CTX *)vpxorctx;
- PROV_XOR_CTX *dstctx;
+ PROV_XORKEMKEX_CTX *srcctx = (PROV_XORKEMKEX_CTX *)vpxorctx;
+ PROV_XORKEMKEX_CTX *dstctx;
dstctx = OPENSSL_zalloc(sizeof(*srcctx));
if (dstctx == NULL)
}
static const OSSL_DISPATCH xor_keyexch_functions[] = {
- { OSSL_FUNC_KEYEXCH_NEWCTX, (void (*)(void))xor_newctx },
+ { OSSL_FUNC_KEYEXCH_NEWCTX, (void (*)(void))xor_newkemkexctx },
{ OSSL_FUNC_KEYEXCH_INIT, (void (*)(void))xor_init },
{ OSSL_FUNC_KEYEXCH_DERIVE, (void (*)(void))xor_derive },
{ OSSL_FUNC_KEYEXCH_SET_PEER, (void (*)(void))xor_set_peer },
int rv = 0;
void *genctx = NULL, *derivectx = NULL;
XORKEY *ourkey = NULL;
- PROV_XOR_CTX *pxorctx = vpxorctx;
+ PROV_XORKEMKEX_CTX *pxorctx = vpxorctx;
if (ct == NULL || ss == NULL) {
/* Just return sizes */
*ctlen = XOR_KEY_SIZE;
/* 3. Derive ss via KEX */
- derivectx = xor_newctx(pxorctx->provctx);
+ derivectx = xor_newkemkexctx(pxorctx->provctx);
if (derivectx == NULL
|| !xor_init(derivectx, ourkey, NULL)
|| !xor_set_peer(derivectx, pxorctx->key)
end:
xor_gen_cleanup(genctx);
- xor_freedata(ourkey);
+ xor_freekey(ourkey);
xor_freectx(derivectx);
return rv;
}
int rv = 0;
void *derivectx = NULL;
XORKEY *peerkey = NULL;
- PROV_XOR_CTX *pxorctx = vpxorctx;
+ PROV_XORKEMKEX_CTX *pxorctx = vpxorctx;
if (ss == NULL) {
/* Just return size */
if (ctlen != XOR_KEY_SIZE)
return 0;
- peerkey = xor_newdata(pxorctx->provctx);
+ peerkey = xor_newkey(pxorctx->provctx);
if (peerkey == NULL)
goto end;
memcpy(peerkey->pubkey, ct, XOR_KEY_SIZE);
/* Derive ss via KEX */
- derivectx = xor_newctx(pxorctx->provctx);
+ derivectx = xor_newkemkexctx(pxorctx->provctx);
if (derivectx == NULL
|| !xor_init(derivectx, pxorctx->key, NULL)
|| !xor_set_peer(derivectx, peerkey)
rv = 1;
end:
- xor_freedata(peerkey);
+ xor_freekey(peerkey);
xor_freectx(derivectx);
return rv;
}
static const OSSL_DISPATCH xor_kem_functions[] = {
- { OSSL_FUNC_KEM_NEWCTX, (void (*)(void))xor_newctx },
+ { OSSL_FUNC_KEM_NEWCTX, (void (*)(void))xor_newkemkexctx },
{ OSSL_FUNC_KEM_FREECTX, (void (*)(void))xor_freectx },
{ OSSL_FUNC_KEM_DUPCTX, (void (*)(void))xor_dupctx },
{ OSSL_FUNC_KEM_ENCAPSULATE_INIT, (void (*)(void))xor_init },
/* Key Management for the dummy XOR key exchange algorithm */
-static void *xor_newdata(void *provctx)
+static void *xor_newkey(void *provctx)
+{
+ XORKEY *ret = OPENSSL_zalloc(sizeof(XORKEY));
+
+ if (ret == NULL)
+ return NULL;
+
+ ret->references = 1;
+ ret->lock = CRYPTO_THREAD_lock_new();
+ if (ret->lock == NULL) {
+ ERR_raise(ERR_LIB_USER, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(ret);
+ return NULL;
+ }
+
+ return ret;
+}
+
+static void xor_freekey(void *keydata)
{
- return OPENSSL_zalloc(sizeof(XORKEY));
+ XORKEY* key = (XORKEY *)keydata;
+ int refcnt;
+
+ if (key == NULL)
+ return;
+
+ if (CRYPTO_DOWN_REF(&key->references, &refcnt, key->lock) <= 0)
+ return;
+
+ if (refcnt > 0)
+ return;
+ assert(refcnt == 0);
+
+ if (key != NULL) {
+ OPENSSL_free(key->tls_name);
+ key->tls_name = NULL;
+ }
+ CRYPTO_THREAD_lock_free(key->lock);
+ OPENSSL_free(key);
}
-static void xor_freedata(void *keydata)
+static int xor_key_up_ref(XORKEY *key)
{
- OPENSSL_free(keydata);
+ int refcnt;
+
+ if (CRYPTO_UP_REF(&key->references, &refcnt, key->lock) <= 0)
+ return 0;
+
+ assert(refcnt > 1);
+ return (refcnt > 1);
}
static int xor_has(const void *vkey, int selection)
static void *xor_dup(const void *vfromkey, int selection)
{
- XORKEY *tokey = xor_newdata(NULL);
+ XORKEY *tokey = xor_newkey(NULL);
const XORKEY *fromkey = vfromkey;
int ok = 0;
tokey->hasprivkey = 0;
}
}
+ if (fromkey->tls_name != NULL)
+ tokey->tls_name = OPENSSL_strdup(fromkey->tls_name);
}
if (!ok) {
- xor_freedata(tokey);
+ xor_freekey(tokey);
tokey = NULL;
}
return tokey;
OSSL_PARAM_END
};
+static void *xor_load(const void *reference, size_t reference_sz)
+{
+ XORKEY *key = NULL;
+
+ if (reference_sz == sizeof(key)) {
+ /* The contents of the reference is the address to our object */
+ key = *(XORKEY **)reference;
+ /* We grabbed, so we detach it */
+ *(XORKEY **)reference = NULL;
+ return key;
+ }
+ return NULL;
+}
+
+/* check one key is the "XOR complement" of the other */
+static int xor_recreate(const unsigned char *kd1, const unsigned char *kd2) {
+ int i;
+
+ for (i = 0; i < XOR_KEY_SIZE; i++) {
+ if ((kd1[i] & 0xff) != ((kd2[i] ^ private_constant[i]) & 0xff))
+ return 0;
+ }
+ return 1;
+}
+
+static int xor_match(const void *keydata1, const void *keydata2, int selection)
+{
+ const XORKEY *key1 = keydata1;
+ const XORKEY *key2 = keydata2;
+ int ok = 1;
+
+ if (key1->tls_name != NULL && key2->tls_name != NULL)
+ ok = ok & (strcmp(key1->tls_name, key2->tls_name) == 0);
+
+ if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) {
+ if (key1->hasprivkey) {
+ if (key2->hasprivkey)
+ ok = ok & (CRYPTO_memcmp(key1->privkey, key2->privkey,
+ XOR_KEY_SIZE) == 0);
+ else
+ ok = ok & xor_recreate(key1->privkey, key2->pubkey);
+ } else {
+ if (key2->hasprivkey)
+ ok = ok & xor_recreate(key2->privkey, key1->pubkey);
+ else
+ ok = 0;
+ }
+ }
+
+ if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
+ if (key1->haspubkey) {
+ if (key2->haspubkey)
+ ok = ok & (CRYPTO_memcmp(key1->pubkey, key2->pubkey, XOR_KEY_SIZE) == 0);
+ else
+ ok = ok & xor_recreate(key1->pubkey, key2->privkey);
+ } else {
+ if (key2->haspubkey)
+ ok = ok & xor_recreate(key2->pubkey, key1->privkey);
+ else
+ ok = 0;
+ }
+ }
+
+ return ok;
+}
+
static const OSSL_PARAM *xor_settable_params(void *provctx)
{
return xor_known_settable_params;
if ((gctx = OPENSSL_zalloc(sizeof(*gctx))) != NULL)
gctx->selection = selection;
- /* Our provctx is really just an OSSL_LIB_CTX */
- gctx->libctx = (OSSL_LIB_CTX *)provctx;
+ gctx->libctx = PROV_XOR_LIBCTX_OF(provctx);
if (!xor_gen_set_params(gctx, params)) {
OPENSSL_free(gctx);
static void *xor_gen(void *genctx, OSSL_CALLBACK *osslcb, void *cbarg)
{
struct xor_gen_ctx *gctx = genctx;
- XORKEY *key = OPENSSL_zalloc(sizeof(*key));
+ XORKEY *key = xor_newkey(NULL);
size_t i;
if (key == NULL)
}
static const OSSL_DISPATCH xor_keymgmt_functions[] = {
- { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))xor_newdata },
+ { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))xor_newkey },
{ OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))xor_gen_init },
{ OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS, (void (*)(void))xor_gen_set_params },
{ OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS,
{ OSSL_FUNC_KEYMGMT_SETTABLE_PARAMS, (void (*) (void))xor_settable_params },
{ OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))xor_has },
{ OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))xor_dup },
- { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))xor_freedata },
+ { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))xor_freekey },
{ OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))xor_import },
{ OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))xor_import_types },
{ OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))xor_export },
{ 0, NULL }
};
-static const OSSL_ALGORITHM tls_prov_keymgmt[] = {
- /*
- * Obviously this is not FIPS approved, but in order to test in conjunction
- * with the FIPS provider we pretend that it is.
- */
- { "XOR", "provider=tls-provider,fips=yes", xor_keymgmt_functions },
- { NULL, NULL, NULL }
-};
-
-static const OSSL_ALGORITHM *tls_prov_query(void *provctx, int operation_id,
- int *no_cache)
+/* We're re-using most XOR keymgmt functions also for signature operations: */
+static void *xor_xorhmacsig_gen(void *genctx, OSSL_CALLBACK *osslcb, void *cbarg)
{
- *no_cache = 0;
- switch (operation_id) {
- case OSSL_OP_KEYMGMT:
- return tls_prov_keymgmt;
- case OSSL_OP_KEYEXCH:
- return tls_prov_keyexch;
- case OSSL_OP_KEM:
- return tls_prov_kem;
+ XORKEY *k = xor_gen(genctx, osslcb, cbarg);
+
+ if (k == NULL)
+ return NULL;
+ k->tls_name = OPENSSL_strdup(XORSIGALG_NAME);
+ if (k->tls_name == NULL) {
+ xor_freekey(k);
+ return NULL;
}
- return NULL;
+ return k;
}
-static void tls_prov_teardown(void *provctx)
+static void *xor_xorhmacsha2sig_gen(void *genctx, OSSL_CALLBACK *osslcb, void *cbarg)
{
- int i;
+ XORKEY* k = xor_gen(genctx, osslcb, cbarg);
- OSSL_LIB_CTX_free(provctx);
-
- for (i = 0; i < NUM_DUMMY_GROUPS; i++) {
- OPENSSL_free(dummy_group_names[i]);
- dummy_group_names[i] = NULL;
+ if (k == NULL)
+ return NULL;
+ k->tls_name = OPENSSL_strdup(XORSIGALG_HASH_NAME);
+ if (k->tls_name == NULL) {
+ xor_freekey(k);
+ return NULL;
}
+ return k;
}
-/* Functions we provide to the core */
-static const OSSL_DISPATCH tls_prov_dispatch_table[] = {
- { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))tls_prov_teardown },
- { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))tls_prov_query },
- { OSSL_FUNC_PROVIDER_GET_CAPABILITIES, (void (*)(void))tls_prov_get_capabilities },
+
+static const OSSL_DISPATCH xor_xorhmacsig_keymgmt_functions[] = {
+ { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))xor_newkey },
+ { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))xor_gen_init },
+ { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS, (void (*)(void))xor_gen_set_params },
+ { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS,
+ (void (*)(void))xor_gen_settable_params },
+ { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))xor_xorhmacsig_gen },
+ { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))xor_gen_cleanup },
+ { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*) (void))xor_get_params },
+ { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*) (void))xor_gettable_params },
+ { OSSL_FUNC_KEYMGMT_SET_PARAMS, (void (*) (void))xor_set_params },
+ { OSSL_FUNC_KEYMGMT_SETTABLE_PARAMS, (void (*) (void))xor_settable_params },
+ { OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))xor_has },
+ { OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))xor_dup },
+ { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))xor_freekey },
+ { OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))xor_import },
+ { OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))xor_import_types },
+ { OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))xor_export },
+ { OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))xor_export_types },
+ { OSSL_FUNC_KEYMGMT_LOAD, (void (*)(void))xor_load },
+ { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))xor_match },
{ 0, NULL }
};
-static
-unsigned int randomize_tls_group_id(OSSL_LIB_CTX *libctx)
+static const OSSL_DISPATCH xor_xorhmacsha2sig_keymgmt_functions[] = {
+ { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))xor_newkey },
+ { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))xor_gen_init },
+ { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS, (void (*)(void))xor_gen_set_params },
+ { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS,
+ (void (*)(void))xor_gen_settable_params },
+ { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))xor_xorhmacsha2sig_gen },
+ { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))xor_gen_cleanup },
+ { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*) (void))xor_get_params },
+ { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*) (void))xor_gettable_params },
+ { OSSL_FUNC_KEYMGMT_SET_PARAMS, (void (*) (void))xor_set_params },
+ { OSSL_FUNC_KEYMGMT_SETTABLE_PARAMS, (void (*) (void))xor_settable_params },
+ { OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))xor_has },
+ { OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))xor_dup },
+ { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))xor_freekey },
+ { OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))xor_import },
+ { OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))xor_import_types },
+ { OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))xor_export },
+ { OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))xor_export_types },
+ { OSSL_FUNC_KEYMGMT_LOAD, (void (*)(void))xor_load },
+ { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))xor_match },
+ { 0, NULL }
+};
+
+typedef enum {
+ KEY_OP_PUBLIC,
+ KEY_OP_PRIVATE,
+ KEY_OP_KEYGEN
+} xor_key_op_t;
+
+/* Re-create XORKEY from encoding(s): Same end-state as after key-gen */
+static XORKEY *xor_key_op(const X509_ALGOR *palg,
+ const unsigned char *p, int plen,
+ xor_key_op_t op,
+ OSSL_LIB_CTX *libctx, const char *propq)
{
- /*
- * Randomise the group_id we're going to use to ensure we don't interoperate
- * with anything but ourselves.
- */
- unsigned int group_id;
- static unsigned int mem[10] = { 0 };
- static int in_mem = 0;
- int i;
+ XORKEY *key = NULL;
+ int nid = NID_undef;
- retry:
- if (RAND_bytes_ex(libctx, (unsigned char *)&group_id, sizeof(group_id), 0) <= 0)
+ if (palg != NULL) {
+ int ptype;
+
+ /* Algorithm parameters must be absent */
+ X509_ALGOR_get0(NULL, &ptype, NULL, palg);
+ if (ptype != V_ASN1_UNDEF || palg->algorithm == NULL) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_INVALID_ENCODING);
+ return 0;
+ }
+ nid = OBJ_obj2nid(palg->algorithm);
+ }
+
+ if (p == NULL || nid == EVP_PKEY_NONE || nid == NID_undef) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_INVALID_ENCODING);
return 0;
- /*
- * Ensure group_id is within the IANA Reserved for private use range
- * (65024-65279)
- */
- group_id %= 65279 - 65024;
- group_id += 65024;
+ }
- /* Ensure we did not already issue this group_id */
- for (i = 0; i < in_mem; i++)
- if (mem[i] == group_id)
- goto retry;
+ key = xor_newkey(NULL);
+ if (key == NULL) {
+ ERR_raise(ERR_LIB_USER, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+ if (XOR_KEY_SIZE != plen) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_INVALID_ENCODING);
+ goto err;
+ }
+
+ if (op == KEY_OP_PUBLIC) {
+ memcpy(key->pubkey, p, plen);
+ key->haspubkey = 1;
+ } else {
+ memcpy(key->privkey, p, plen);
+ key->hasprivkey = 1;
+ }
- /* Add this group_id to the list of ids issued by this function */
- mem[in_mem++] = group_id;
+ key->tls_name = OPENSSL_strdup(OBJ_nid2sn(nid));
+ if (key->tls_name == NULL)
+ goto err;
+ return key;
- return group_id;
+ err:
+ xor_freekey(key);
+ return NULL;
}
-int tls_provider_init(const OSSL_CORE_HANDLE *handle,
- const OSSL_DISPATCH *in,
- const OSSL_DISPATCH **out,
- void **provctx)
+static XORKEY *xor_key_from_x509pubkey(const X509_PUBKEY *xpk,
+ OSSL_LIB_CTX *libctx, const char *propq)
+{
+ const unsigned char *p;
+ int plen;
+ X509_ALGOR *palg;
+
+ if (!xpk || (!X509_PUBKEY_get0_param(NULL, &p, &plen, &palg, xpk))) {
+ return NULL;
+ }
+ return xor_key_op(palg, p, plen, KEY_OP_PUBLIC, libctx, propq);
+}
+
+static XORKEY *xor_key_from_pkcs8(const PKCS8_PRIV_KEY_INFO *p8inf,
+ OSSL_LIB_CTX *libctx, const char *propq)
{
- OSSL_LIB_CTX *libctx = OSSL_LIB_CTX_new();
+ XORKEY *xork = NULL;
+ const unsigned char *p;
+ int plen;
+ ASN1_OCTET_STRING *oct = NULL;
+ const X509_ALGOR *palg;
- if (libctx == NULL)
+ if (!PKCS8_pkey_get0(NULL, &p, &plen, &palg, p8inf))
return 0;
- *provctx = libctx;
+ oct = d2i_ASN1_OCTET_STRING(NULL, &p, plen);
+ if (oct == NULL) {
+ p = NULL;
+ plen = 0;
+ } else {
+ p = ASN1_STRING_get0_data(oct);
+ plen = ASN1_STRING_length(oct);
+ }
+
+ xork = xor_key_op(palg, p, plen, KEY_OP_PRIVATE,
+ libctx, propq);
+ ASN1_OCTET_STRING_free(oct);
+ return xork;
+}
+static const OSSL_ALGORITHM tls_prov_keymgmt[] = {
/*
- * Randomise the group_id we're going to use to ensure we don't interoperate
- * with anything but ourselves.
+ * Obviously this is not FIPS approved, but in order to test in conjunction
+ * with the FIPS provider we pretend that it is.
*/
- xor_group.group_id = randomize_tls_group_id(libctx);
- xor_kemgroup.group_id = randomize_tls_group_id(libctx);
+ { "XOR", "provider=tls-provider,fips=yes",
+ xor_keymgmt_functions },
+ { XORSIGALG_NAME, "provider=tls-provider,fips=yes",
+ xor_xorhmacsig_keymgmt_functions },
+ { XORSIGALG_HASH_NAME,
+ "provider=tls-provider,fips=yes",
+ xor_xorhmacsha2sig_keymgmt_functions },
+ { NULL, NULL, NULL }
+};
+
+struct key2any_ctx_st {
+ PROV_XOR_CTX *provctx;
+
+ /* Set to 0 if parameters should not be saved (dsa only) */
+ int save_parameters;
+
+ /* Set to 1 if intending to encrypt/decrypt, otherwise 0 */
+ int cipher_intent;
+
+ EVP_CIPHER *cipher;
+
+ OSSL_PASSPHRASE_CALLBACK *pwcb;
+ void *pwcbarg;
+};
+
+typedef int check_key_type_fn(const void *key, int nid);
+typedef int key_to_paramstring_fn(const void *key, int nid, int save,
+ void **str, int *strtype);
+typedef int key_to_der_fn(BIO *out, const void *key,
+ int key_nid, const char *pemname,
+ key_to_paramstring_fn *p2s, i2d_of_void *k2d,
+ struct key2any_ctx_st *ctx);
+typedef int write_bio_of_void_fn(BIO *bp, const void *x);
+
+
+/* Free the blob allocated during key_to_paramstring_fn */
+static void free_asn1_data(int type, void *data)
+{
+ switch(type) {
+ case V_ASN1_OBJECT:
+ ASN1_OBJECT_free(data);
+ break;
+ case V_ASN1_SEQUENCE:
+ ASN1_STRING_free(data);
+ break;
+ }
+}
+
+static PKCS8_PRIV_KEY_INFO *key_to_p8info(const void *key, int key_nid,
+ void *params, int params_type,
+ i2d_of_void *k2d)
+{
+ /* der, derlen store the key DER output and its length */
+ unsigned char *der = NULL;
+ int derlen;
+ /* The final PKCS#8 info */
+ PKCS8_PRIV_KEY_INFO *p8info = NULL;
+
+ if ((p8info = PKCS8_PRIV_KEY_INFO_new()) == NULL
+ || (derlen = k2d(key, &der)) <= 0
+ || !PKCS8_pkey_set0(p8info, OBJ_nid2obj(key_nid), 0,
+ V_ASN1_UNDEF, NULL,
+ der, derlen)) {
+ ERR_raise(ERR_LIB_USER, ERR_R_MALLOC_FAILURE);
+ PKCS8_PRIV_KEY_INFO_free(p8info);
+ OPENSSL_free(der);
+ p8info = NULL;
+ }
+
+ return p8info;
+}
+
+static X509_SIG *p8info_to_encp8(PKCS8_PRIV_KEY_INFO *p8info,
+ struct key2any_ctx_st *ctx)
+{
+ X509_SIG *p8 = NULL;
+ char kstr[PEM_BUFSIZE];
+ size_t klen = 0;
+ OSSL_LIB_CTX *libctx = PROV_XOR_LIBCTX_OF(ctx->provctx);
+
+ if (ctx->cipher == NULL || ctx->pwcb == NULL)
+ return NULL;
+
+ if (!ctx->pwcb(kstr, PEM_BUFSIZE, &klen, NULL, ctx->pwcbarg)) {
+ ERR_raise(ERR_LIB_USER, PROV_R_UNABLE_TO_GET_PASSPHRASE);
+ return NULL;
+ }
+ /* First argument == -1 means "standard" */
+ p8 = PKCS8_encrypt_ex(-1, ctx->cipher, kstr, klen, NULL, 0, 0, p8info, libctx, NULL);
+ OPENSSL_cleanse(kstr, klen);
+ return p8;
+}
+
+static X509_SIG *key_to_encp8(const void *key, int key_nid,
+ void *params, int params_type,
+ i2d_of_void *k2d, struct key2any_ctx_st *ctx)
+{
+ PKCS8_PRIV_KEY_INFO *p8info =
+ key_to_p8info(key, key_nid, params, params_type, k2d);
+ X509_SIG *p8 = NULL;
+
+ if (p8info == NULL) {
+ free_asn1_data(params_type, params);
+ } else {
+ p8 = p8info_to_encp8(p8info, ctx);
+ PKCS8_PRIV_KEY_INFO_free(p8info);
+ }
+ return p8;
+}
+
+static X509_PUBKEY *xorx_key_to_pubkey(const void *key, int key_nid,
+ void *params, int params_type,
+ i2d_of_void k2d)
+{
+ /* der, derlen store the key DER output and its length */
+ unsigned char *der = NULL;
+ int derlen;
+ /* The final X509_PUBKEY */
+ X509_PUBKEY *xpk = NULL;
+
+ if ((xpk = X509_PUBKEY_new()) == NULL
+ || (derlen = k2d(key, &der)) <= 0
+ || !X509_PUBKEY_set0_param(xpk, OBJ_nid2obj(key_nid),
+ V_ASN1_UNDEF, NULL,
+ der, derlen)) {
+ ERR_raise(ERR_LIB_USER, ERR_R_MALLOC_FAILURE);
+ X509_PUBKEY_free(xpk);
+ OPENSSL_free(der);
+ xpk = NULL;
+ }
+
+ return xpk;
+}
+
+/*
+ * key_to_epki_* produce encoded output with the private key data in a
+ * EncryptedPrivateKeyInfo structure (defined by PKCS#8). They require
+ * that there's an intent to encrypt, anything else is an error.
+ *
+ * key_to_pki_* primarly produce encoded output with the private key data
+ * in a PrivateKeyInfo structure (also defined by PKCS#8). However, if
+ * there is an intent to encrypt the data, the corresponding key_to_epki_*
+ * function is used instead.
+ *
+ * key_to_spki_* produce encoded output with the public key data in an
+ * X.509 SubjectPublicKeyInfo.
+ *
+ * Key parameters don't have any defined envelopment of this kind, but are
+ * included in some manner in the output from the functions described above,
+ * either in the AlgorithmIdentifier's parameter field, or as part of the
+ * key data itself.
+ */
+
+static int key_to_epki_der_priv_bio(BIO *out, const void *key,
+ int key_nid,
+ ossl_unused const char *pemname,
+ key_to_paramstring_fn *p2s,
+ i2d_of_void *k2d,
+ struct key2any_ctx_st *ctx)
+{
+ int ret = 0;
+ void *str = NULL;
+ int strtype = V_ASN1_UNDEF;
+ X509_SIG *p8;
+
+ if (!ctx->cipher_intent)
+ return 0;
+
+ if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters,
+ &str, &strtype))
+ return 0;
+
+ p8 = key_to_encp8(key, key_nid, str, strtype, k2d, ctx);
+ if (p8 != NULL)
+ ret = i2d_PKCS8_bio(out, p8);
+
+ X509_SIG_free(p8);
+
+ return ret;
+}
+
+static int key_to_epki_pem_priv_bio(BIO *out, const void *key,
+ int key_nid,
+ ossl_unused const char *pemname,
+ key_to_paramstring_fn *p2s,
+ i2d_of_void *k2d,
+ struct key2any_ctx_st *ctx)
+{
+ int ret = 0;
+ void *str = NULL;
+ int strtype = V_ASN1_UNDEF;
+ X509_SIG *p8;
+
+ if (!ctx->cipher_intent)
+ return 0;
+
+ if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters,
+ &str, &strtype))
+ return 0;
+
+ p8 = key_to_encp8(key, key_nid, str, strtype, k2d, ctx);
+ if (p8 != NULL)
+ ret = PEM_write_bio_PKCS8(out, p8);
+
+ X509_SIG_free(p8);
+
+ return ret;
+}
+
+static int key_to_pki_der_priv_bio(BIO *out, const void *key,
+ int key_nid,
+ ossl_unused const char *pemname,
+ key_to_paramstring_fn *p2s,
+ i2d_of_void *k2d,
+ struct key2any_ctx_st *ctx)
+{
+ int ret = 0;
+ void *str = NULL;
+ int strtype = V_ASN1_UNDEF;
+ PKCS8_PRIV_KEY_INFO *p8info;
+
+ if (ctx->cipher_intent)
+ return key_to_epki_der_priv_bio(out, key, key_nid, pemname,
+ p2s, k2d, ctx);
+
+ if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters,
+ &str, &strtype))
+ return 0;
+
+ p8info = key_to_p8info(key, key_nid, str, strtype, k2d);
+
+ if (p8info != NULL)
+ ret = i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8info);
+ else
+ free_asn1_data(strtype, str);
+
+ PKCS8_PRIV_KEY_INFO_free(p8info);
+
+ return ret;
+}
+
+static int key_to_pki_pem_priv_bio(BIO *out, const void *key,
+ int key_nid,
+ ossl_unused const char *pemname,
+ key_to_paramstring_fn *p2s,
+ i2d_of_void *k2d,
+ struct key2any_ctx_st *ctx)
+{
+ int ret = 0;
+ void *str = NULL;
+ int strtype = V_ASN1_UNDEF;
+ PKCS8_PRIV_KEY_INFO *p8info;
+
+ if (ctx->cipher_intent)
+ return key_to_epki_pem_priv_bio(out, key, key_nid, pemname,
+ p2s, k2d, ctx);
+
+ if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters,
+ &str, &strtype))
+ return 0;
+
+ p8info = key_to_p8info(key, key_nid, str, strtype, k2d);
+
+ if (p8info != NULL)
+ ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8info);
+ else
+ free_asn1_data(strtype, str);
+
+ PKCS8_PRIV_KEY_INFO_free(p8info);
+
+ return ret;
+}
+
+static int key_to_spki_der_pub_bio(BIO *out, const void *key,
+ int key_nid,
+ ossl_unused const char *pemname,
+ key_to_paramstring_fn *p2s,
+ i2d_of_void *k2d,
+ struct key2any_ctx_st *ctx)
+{
+ int ret = 0;
+ X509_PUBKEY *xpk = NULL;
+ void *str = NULL;
+ int strtype = V_ASN1_UNDEF;
+
+ if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters,
+ &str, &strtype))
+ return 0;
+
+ xpk = xorx_key_to_pubkey(key, key_nid, str, strtype, k2d);
+
+ if (xpk != NULL)
+ ret = i2d_X509_PUBKEY_bio(out, xpk);
+
+ X509_PUBKEY_free(xpk);
+ return ret;
+}
+
+static int key_to_spki_pem_pub_bio(BIO *out, const void *key,
+ int key_nid,
+ ossl_unused const char *pemname,
+ key_to_paramstring_fn *p2s,
+ i2d_of_void *k2d,
+ struct key2any_ctx_st *ctx)
+{
+ int ret = 0;
+ X509_PUBKEY *xpk = NULL;
+ void *str = NULL;
+ int strtype = V_ASN1_UNDEF;
+
+ if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters,
+ &str, &strtype))
+ return 0;
+
+ xpk = xorx_key_to_pubkey(key, key_nid, str, strtype, k2d);
+
+ if (xpk != NULL)
+ ret = PEM_write_bio_X509_PUBKEY(out, xpk);
+ else
+ free_asn1_data(strtype, str);
+
+ /* Also frees |str| */
+ X509_PUBKEY_free(xpk);
+ return ret;
+}
+
+/* ---------------------------------------------------------------------- */
+
+static int prepare_xorx_params(const void *xorxkey, int nid, int save,
+ void **pstr, int *pstrtype)
+{
+ ASN1_OBJECT *params = NULL;
+ XORKEY *k = (XORKEY*)xorxkey;
+
+ if (k->tls_name && OBJ_sn2nid(k->tls_name) != nid) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_INVALID_KEY);
+ return 0;
+ }
+
+ if (nid == NID_undef) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_MISSING_OID);
+ return 0;
+ }
+
+ params = OBJ_nid2obj(nid);
+
+ if (params == NULL || OBJ_length(params) == 0) {
+ /* unexpected error */
+ ERR_raise(ERR_LIB_USER, XORPROV_R_MISSING_OID);
+ ASN1_OBJECT_free(params);
+ return 0;
+ }
+ *pstr = params;
+ *pstrtype = V_ASN1_OBJECT;
+ return 1;
+}
+
+static int xorx_spki_pub_to_der(const void *vecxkey, unsigned char **pder)
+{
+ const XORKEY *xorxkey = vecxkey;
+ unsigned char *keyblob;
+ int retlen;
+
+ if (xorxkey == NULL) {
+ ERR_raise(ERR_LIB_USER, ERR_R_PASSED_NULL_PARAMETER);
+ return 0;
+ }
+
+ keyblob = OPENSSL_memdup(xorxkey->pubkey, retlen = XOR_KEY_SIZE);
+ if (keyblob == NULL) {
+ ERR_raise(ERR_LIB_USER, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+ *pder = keyblob;
+ return retlen;
+}
+
+static int xorx_pki_priv_to_der(const void *vecxkey, unsigned char **pder)
+{
+ XORKEY *xorxkey = (XORKEY *)vecxkey;
+ unsigned char* buf = NULL;
+ ASN1_OCTET_STRING oct;
+ int keybloblen;
+
+ if (xorxkey == NULL) {
+ ERR_raise(ERR_LIB_USER, ERR_R_PASSED_NULL_PARAMETER);
+ return 0;
+ }
+
+ buf = OPENSSL_secure_malloc(XOR_KEY_SIZE);
+ memcpy(buf, xorxkey->privkey, XOR_KEY_SIZE);
+
+ oct.data = buf;
+ oct.length = XOR_KEY_SIZE;
+ oct.flags = 0;
+
+ keybloblen = i2d_ASN1_OCTET_STRING(&oct, pder);
+ if (keybloblen < 0) {
+ ERR_raise(ERR_LIB_USER, ERR_R_MALLOC_FAILURE);
+ keybloblen = 0;
+ }
+
+ OPENSSL_secure_clear_free(buf, XOR_KEY_SIZE);
+ return keybloblen;
+}
+
+# define xorx_epki_priv_to_der xorx_pki_priv_to_der
+
+/*
+ * XORX only has PKCS#8 / SubjectPublicKeyInfo
+ * representation, so we don't define xorx_type_specific_[priv,pub,params]_to_der.
+ */
+
+# define xorx_check_key_type NULL
+
+# define xorhmacsig_evp_type 0
+# define xorhmacsig_input_type XORSIGALG_NAME
+# define xorhmacsig_pem_type XORSIGALG_NAME
+# define xorhmacsha2sig_evp_type 0
+# define xorhmacsha2sig_input_type XORSIGALG_HASH_NAME
+# define xorhmacsha2sig_pem_type XORSIGALG_HASH_NAME
+
+/* ---------------------------------------------------------------------- */
+
+static OSSL_FUNC_decoder_newctx_fn key2any_newctx;
+static OSSL_FUNC_decoder_freectx_fn key2any_freectx;
+
+static void *key2any_newctx(void *provctx)
+{
+ struct key2any_ctx_st *ctx = OPENSSL_zalloc(sizeof(*ctx));
+
+ if (ctx != NULL) {
+ ctx->provctx = provctx;
+ ctx->save_parameters = 1;
+ }
+
+ return ctx;
+}
+
+static void key2any_freectx(void *vctx)
+{
+ struct key2any_ctx_st *ctx = vctx;
+
+ EVP_CIPHER_free(ctx->cipher);
+ OPENSSL_free(ctx);
+}
+
+static const OSSL_PARAM *key2any_settable_ctx_params(ossl_unused void *provctx)
+{
+ static const OSSL_PARAM settables[] = {
+ OSSL_PARAM_utf8_string(OSSL_ENCODER_PARAM_CIPHER, NULL, 0),
+ OSSL_PARAM_utf8_string(OSSL_ENCODER_PARAM_PROPERTIES, NULL, 0),
+ OSSL_PARAM_END,
+ };
+
+ return settables;
+}
+
+static int key2any_set_ctx_params(void *vctx, const OSSL_PARAM params[])
+{
+ struct key2any_ctx_st *ctx = vctx;
+ OSSL_LIB_CTX *libctx = PROV_XOR_LIBCTX_OF(ctx->provctx);
+ const OSSL_PARAM *cipherp =
+ OSSL_PARAM_locate_const(params, OSSL_ENCODER_PARAM_CIPHER);
+ const OSSL_PARAM *propsp =
+ OSSL_PARAM_locate_const(params, OSSL_ENCODER_PARAM_PROPERTIES);
+ const OSSL_PARAM *save_paramsp =
+ OSSL_PARAM_locate_const(params, OSSL_ENCODER_PARAM_SAVE_PARAMETERS);
+
+ if (cipherp != NULL) {
+ const char *ciphername = NULL;
+ const char *props = NULL;
+
+ if (!OSSL_PARAM_get_utf8_string_ptr(cipherp, &ciphername))
+ return 0;
+ if (propsp != NULL && !OSSL_PARAM_get_utf8_string_ptr(propsp, &props))
+ return 0;
+
+ EVP_CIPHER_free(ctx->cipher);
+ ctx->cipher = NULL;
+ ctx->cipher_intent = ciphername != NULL;
+ if (ciphername != NULL
+ && ((ctx->cipher =
+ EVP_CIPHER_fetch(libctx, ciphername, props)) == NULL)) {
+ return 0;
+ }
+ }
+
+ if (save_paramsp != NULL) {
+ if (!OSSL_PARAM_get_int(save_paramsp, &ctx->save_parameters)) {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+static int key2any_check_selection(int selection, int selection_mask)
+{
+ /*
+ * The selections are kinda sorta "levels", i.e. each selection given
+ * here is assumed to include those following.
+ */
+ int checks[] = {
+ OSSL_KEYMGMT_SELECT_PRIVATE_KEY,
+ OSSL_KEYMGMT_SELECT_PUBLIC_KEY,
+ OSSL_KEYMGMT_SELECT_ALL_PARAMETERS
+ };
+ size_t i;
+
+ /* The decoder implementations made here support guessing */
+ if (selection == 0)
+ return 1;
+
+ for (i = 0; i < OSSL_NELEM(checks); i++) {
+ int check1 = (selection & checks[i]) != 0;
+ int check2 = (selection_mask & checks[i]) != 0;
+
+ /*
+ * If the caller asked for the currently checked bit(s), return
+ * whether the decoder description says it's supported.
+ */
+ if (check1)
+ return check2;
+ }
+
+ /* This should be dead code, but just to be safe... */
+ return 0;
+}
+
+static int key2any_encode(struct key2any_ctx_st *ctx, OSSL_CORE_BIO *cout,
+ const void *key, const char* typestr, const char *pemname,
+ key_to_der_fn *writer,
+ OSSL_PASSPHRASE_CALLBACK *pwcb, void *pwcbarg,
+ key_to_paramstring_fn *key2paramstring,
+ i2d_of_void *key2der)
+{
+ int ret = 0;
+ int type = OBJ_sn2nid(typestr);
+
+ if (key == NULL || type <= 0) {
+ ERR_raise(ERR_LIB_USER, ERR_R_PASSED_NULL_PARAMETER);
+ } else if (writer != NULL) {
+ BIO *out = BIO_new_from_core_bio(ctx->provctx->libctx, cout);
+
+ if (out != NULL) {
+ ctx->pwcb = pwcb;
+ ctx->pwcbarg = pwcbarg;
+
+ ret = writer(out, key, type, pemname, key2paramstring, key2der, ctx);
+ }
+
+ BIO_free(out);
+ } else {
+ ERR_raise(ERR_LIB_USER, ERR_R_PASSED_INVALID_ARGUMENT);
+ }
+ return ret;
+}
+
+#define DO_ENC_PRIVATE_KEY_selection_mask OSSL_KEYMGMT_SELECT_PRIVATE_KEY
+#define DO_ENC_PRIVATE_KEY(impl, type, kind, output) \
+ if ((selection & DO_ENC_PRIVATE_KEY_selection_mask) != 0) \
+ return key2any_encode(ctx, cout, key, impl##_pem_type, \
+ impl##_pem_type " PRIVATE KEY", \
+ key_to_##kind##_##output##_priv_bio, \
+ cb, cbarg, prepare_##type##_params, \
+ type##_##kind##_priv_to_der);
+
+#define DO_ENC_PUBLIC_KEY_selection_mask OSSL_KEYMGMT_SELECT_PUBLIC_KEY
+#define DO_ENC_PUBLIC_KEY(impl, type, kind, output) \
+ if ((selection & DO_ENC_PUBLIC_KEY_selection_mask) != 0) \
+ return key2any_encode(ctx, cout, key, impl##_pem_type, \
+ impl##_pem_type " PUBLIC KEY", \
+ key_to_##kind##_##output##_pub_bio, \
+ cb, cbarg, prepare_##type##_params, \
+ type##_##kind##_pub_to_der);
+
+#define DO_ENC_PARAMETERS_selection_mask OSSL_KEYMGMT_SELECT_ALL_PARAMETERS
+#define DO_ENC_PARAMETERS(impl, type, kind, output) \
+ if ((selection & DO_ENC_PARAMETERS_selection_mask) != 0) \
+ return key2any_encode(ctx, cout, key, impl##_pem_type, \
+ impl##_pem_type " PARAMETERS", \
+ key_to_##kind##_##output##_param_bio, \
+ NULL, NULL, NULL, \
+ type##_##kind##_params_to_der);
+
+/*-
+ * Implement the kinds of output structure that can be produced. They are
+ * referred to by name, and for each name, the following macros are defined
+ * (braces not included):
+ *
+ * DO_{kind}_selection_mask
+ *
+ * A mask of selection bits that must not be zero. This is used as a
+ * selection criterion for each implementation.
+ * This mask must never be zero.
+ *
+ * DO_{kind}
+ *
+ * The performing macro. It must use the DO_ macros defined above,
+ * always in this order:
+ *
+ * - DO_PRIVATE_KEY
+ * - DO_PUBLIC_KEY
+ * - DO_PARAMETERS
+ *
+ * Any of those may be omitted, but the relative order must still be
+ * the same.
+ */
+
+/*
+ * PKCS#8 defines two structures for private keys only:
+ * - PrivateKeyInfo (raw unencrypted form)
+ * - EncryptedPrivateKeyInfo (encrypted wrapping)
+ *
+ * To allow a certain amount of flexibility, we allow the routines
+ * for PrivateKeyInfo to also produce EncryptedPrivateKeyInfo if a
+ * passphrase callback has been passed to them.
+ */
+#define DO_ENC_PrivateKeyInfo_selection_mask DO_ENC_PRIVATE_KEY_selection_mask
+#define DO_ENC_PrivateKeyInfo(impl, type, output) \
+ DO_ENC_PRIVATE_KEY(impl, type, pki, output)
+
+#define DO_ENC_EncryptedPrivateKeyInfo_selection_mask DO_ENC_PRIVATE_KEY_selection_mask
+#define DO_ENC_EncryptedPrivateKeyInfo(impl, type, output) \
+ DO_ENC_PRIVATE_KEY(impl, type, epki, output)
+
+/* SubjectPublicKeyInfo is a structure for public keys only */
+#define DO_ENC_SubjectPublicKeyInfo_selection_mask DO_ENC_PUBLIC_KEY_selection_mask
+#define DO_ENC_SubjectPublicKeyInfo(impl, type, output) \
+ DO_ENC_PUBLIC_KEY(impl, type, spki, output)
+
+/*
+ * MAKE_ENCODER is the single driver for creating OSSL_DISPATCH tables.
+ * It takes the following arguments:
+ *
+ * impl This is the key type name that's being implemented.
+ * type This is the type name for the set of functions that implement
+ * the key type. For example, ed25519, ed448, x25519 and x448
+ * are all implemented with the exact same set of functions.
+ * kind What kind of support to implement. These translate into
+ * the DO_##kind macros above.
+ * output The output type to implement. may be der or pem.
+ *
+ * The resulting OSSL_DISPATCH array gets the following name (expressed in
+ * C preprocessor terms) from those arguments:
+ *
+ * xor_##impl##_to_##kind##_##output##_encoder_functions
+ */
+#define MAKE_ENCODER(impl, type, kind, output) \
+ static OSSL_FUNC_encoder_import_object_fn \
+ impl##_to_##kind##_##output##_import_object; \
+ static OSSL_FUNC_encoder_free_object_fn \
+ impl##_to_##kind##_##output##_free_object; \
+ static OSSL_FUNC_encoder_encode_fn \
+ impl##_to_##kind##_##output##_encode; \
+ \
+ static void * \
+ impl##_to_##kind##_##output##_import_object(void *vctx, int selection, \
+ const OSSL_PARAM params[]) \
+ { \
+ struct key2any_ctx_st *ctx = vctx; \
+ \
+ return xor_prov_import_key(xor_##impl##_keymgmt_functions, \
+ ctx->provctx, selection, params); \
+ } \
+ static void impl##_to_##kind##_##output##_free_object(void *key) \
+ { \
+ xor_prov_free_key(xor_##impl##_keymgmt_functions, key); \
+ } \
+ static int impl##_to_##kind##_##output##_does_selection(void *ctx, \
+ int selection) \
+ { \
+ return key2any_check_selection(selection, \
+ DO_ENC_##kind##_selection_mask); \
+ } \
+ static int \
+ impl##_to_##kind##_##output##_encode(void *ctx, OSSL_CORE_BIO *cout, \
+ const void *key, \
+ const OSSL_PARAM key_abstract[], \
+ int selection, \
+ OSSL_PASSPHRASE_CALLBACK *cb, \
+ void *cbarg) \
+ { \
+ /* We don't deal with abstract objects */ \
+ if (key_abstract != NULL) { \
+ ERR_raise(ERR_LIB_USER, ERR_R_PASSED_INVALID_ARGUMENT); \
+ return 0; \
+ } \
+ DO_ENC_##kind(impl, type, output) \
+ \
+ ERR_raise(ERR_LIB_USER, ERR_R_PASSED_INVALID_ARGUMENT); \
+ return 0; \
+ } \
+ static const OSSL_DISPATCH \
+ xor_##impl##_to_##kind##_##output##_encoder_functions[] = { \
+ { OSSL_FUNC_ENCODER_NEWCTX, \
+ (void (*)(void))key2any_newctx }, \
+ { OSSL_FUNC_ENCODER_FREECTX, \
+ (void (*)(void))key2any_freectx }, \
+ { OSSL_FUNC_ENCODER_SETTABLE_CTX_PARAMS, \
+ (void (*)(void))key2any_settable_ctx_params }, \
+ { OSSL_FUNC_ENCODER_SET_CTX_PARAMS, \
+ (void (*)(void))key2any_set_ctx_params }, \
+ { OSSL_FUNC_ENCODER_DOES_SELECTION, \
+ (void (*)(void))impl##_to_##kind##_##output##_does_selection }, \
+ { OSSL_FUNC_ENCODER_IMPORT_OBJECT, \
+ (void (*)(void))impl##_to_##kind##_##output##_import_object }, \
+ { OSSL_FUNC_ENCODER_FREE_OBJECT, \
+ (void (*)(void))impl##_to_##kind##_##output##_free_object }, \
+ { OSSL_FUNC_ENCODER_ENCODE, \
+ (void (*)(void))impl##_to_##kind##_##output##_encode }, \
+ { 0, NULL } \
+ }
+
+/*
+ * Replacements for i2d_{TYPE}PrivateKey, i2d_{TYPE}PublicKey,
+ * i2d_{TYPE}params, as they exist.
+ */
+
+/*
+ * PKCS#8 and SubjectPublicKeyInfo support. This may duplicate some of the
+ * implementations specified above, but are more specific.
+ * The SubjectPublicKeyInfo implementations also replace the
+ * PEM_write_bio_{TYPE}_PUBKEY functions.
+ * For PEM, these are expected to be used by PEM_write_bio_PrivateKey(),
+ * PEM_write_bio_PUBKEY() and PEM_write_bio_Parameters().
+ */
+
+MAKE_ENCODER(xorhmacsig, xorx, EncryptedPrivateKeyInfo, der);
+MAKE_ENCODER(xorhmacsig, xorx, EncryptedPrivateKeyInfo, pem);
+MAKE_ENCODER(xorhmacsig, xorx, PrivateKeyInfo, der);
+MAKE_ENCODER(xorhmacsig, xorx, PrivateKeyInfo, pem);
+MAKE_ENCODER(xorhmacsig, xorx, SubjectPublicKeyInfo, der);
+MAKE_ENCODER(xorhmacsig, xorx, SubjectPublicKeyInfo, pem);
+MAKE_ENCODER(xorhmacsha2sig, xorx, EncryptedPrivateKeyInfo, der);
+MAKE_ENCODER(xorhmacsha2sig, xorx, EncryptedPrivateKeyInfo, pem);
+MAKE_ENCODER(xorhmacsha2sig, xorx, PrivateKeyInfo, der);
+MAKE_ENCODER(xorhmacsha2sig, xorx, PrivateKeyInfo, pem);
+MAKE_ENCODER(xorhmacsha2sig, xorx, SubjectPublicKeyInfo, der);
+MAKE_ENCODER(xorhmacsha2sig, xorx, SubjectPublicKeyInfo, pem);
+
+static const OSSL_ALGORITHM tls_prov_encoder[] = {
+#define ENCODER_PROVIDER "tls-provider"
+#ifndef ENCODER_PROVIDER
+# error Macro ENCODER_PROVIDER undefined
+#endif
+
+#define ENCODER_STRUCTURE_PKCS8 "pkcs8"
+#define ENCODER_STRUCTURE_SubjectPublicKeyInfo "SubjectPublicKeyInfo"
+#define ENCODER_STRUCTURE_PrivateKeyInfo "PrivateKeyInfo"
+#define ENCODER_STRUCTURE_EncryptedPrivateKeyInfo "EncryptedPrivateKeyInfo"
+#define ENCODER_STRUCTURE_PKCS1 "pkcs1"
+#define ENCODER_STRUCTURE_PKCS3 "pkcs3"
+
+/* Arguments are prefixed with '_' to avoid build breaks on certain platforms */
+/*
+ * Obviously this is not FIPS approved, but in order to test in conjunction
+ * with the FIPS provider we pretend that it is.
+ */
+#define ENCODER_TEXT(_name, _sym) \
+ { _name, \
+ "provider=" ENCODER_PROVIDER ",fips=yes,output=text", \
+ (xor_##_sym##_to_text_encoder_functions) }
+#define ENCODER(_name, _sym, _fips, _output) \
+ { _name, \
+ "provider=" ENCODER_PROVIDER ",fips=yes,output=" #_output, \
+ (xor_##_sym##_to_##_output##_encoder_functions) }
+
+#define ENCODER_w_structure(_name, _sym, _output, _structure) \
+ { _name, \
+ "provider=" ENCODER_PROVIDER ",fips=yes,output=" #_output \
+ ",structure=" ENCODER_STRUCTURE_##_structure, \
+ (xor_##_sym##_to_##_structure##_##_output##_encoder_functions) }
+
+/*
+ * Entries for human text "encoders"
+ */
+
+/*
+ * Entries for PKCS#8 and SubjectPublicKeyInfo.
+ * The "der" ones are added convenience for any user that wants to use
+ * OSSL_ENCODER directly.
+ * The "pem" ones also support PEM_write_bio_PrivateKey() and
+ * PEM_write_bio_PUBKEY().
+ */
+
+ENCODER_w_structure(XORSIGALG_NAME, xorhmacsig, der, PrivateKeyInfo),
+ENCODER_w_structure(XORSIGALG_NAME, xorhmacsig, pem, PrivateKeyInfo),
+ENCODER_w_structure(XORSIGALG_NAME, xorhmacsig, der, EncryptedPrivateKeyInfo),
+ENCODER_w_structure(XORSIGALG_NAME, xorhmacsig, pem, EncryptedPrivateKeyInfo),
+ENCODER_w_structure(XORSIGALG_NAME, xorhmacsig, der, SubjectPublicKeyInfo),
+ENCODER_w_structure(XORSIGALG_NAME, xorhmacsig, pem, SubjectPublicKeyInfo),
+ENCODER_w_structure(XORSIGALG_HASH_NAME, xorhmacsha2sig,
+ der, PrivateKeyInfo),
+ENCODER_w_structure(XORSIGALG_HASH_NAME, xorhmacsha2sig,
+ pem, PrivateKeyInfo),
+ENCODER_w_structure(XORSIGALG_HASH_NAME, xorhmacsha2sig,
+ der, EncryptedPrivateKeyInfo),
+ENCODER_w_structure(XORSIGALG_HASH_NAME, xorhmacsha2sig,
+ pem, EncryptedPrivateKeyInfo),
+ENCODER_w_structure(XORSIGALG_HASH_NAME, xorhmacsha2sig,
+ der, SubjectPublicKeyInfo),
+ENCODER_w_structure(XORSIGALG_HASH_NAME, xorhmacsha2sig,
+ pem, SubjectPublicKeyInfo),
+#undef ENCODER_PROVIDER
+ { NULL, NULL, NULL }
+};
+
+struct der2key_ctx_st; /* Forward declaration */
+typedef int check_key_fn(void *, struct der2key_ctx_st *ctx);
+typedef void adjust_key_fn(void *, struct der2key_ctx_st *ctx);
+typedef void free_key_fn(void *);
+typedef void *d2i_PKCS8_fn(void **, const unsigned char **, long,
+ struct der2key_ctx_st *);
+struct keytype_desc_st {
+ const char *keytype_name;
+ const OSSL_DISPATCH *fns; /* Keymgmt (to pilfer functions from) */
+
+ /* The input structure name */
+ const char *structure_name;
+
+ /*
+ * The EVP_PKEY_xxx type macro. Should be zero for type specific
+ * structures, non-zero when the outermost structure is PKCS#8 or
+ * SubjectPublicKeyInfo. This determines which of the function
+ * pointers below will be used.
+ */
+ int evp_type;
+
+ /* The selection mask for OSSL_FUNC_decoder_does_selection() */
+ int selection_mask;
+
+ /* For type specific decoders, we use the corresponding d2i */
+ d2i_of_void *d2i_private_key; /* From type-specific DER */
+ d2i_of_void *d2i_public_key; /* From type-specific DER */
+ d2i_of_void *d2i_key_params; /* From type-specific DER */
+ d2i_PKCS8_fn *d2i_PKCS8; /* Wrapped in a PrivateKeyInfo */
+ d2i_of_void *d2i_PUBKEY; /* Wrapped in a SubjectPublicKeyInfo */
+
+ /*
+ * For any key, we may need to check that the key meets expectations.
+ * This is useful when the same functions can decode several variants
+ * of a key.
+ */
+ check_key_fn *check_key;
+
+ /*
+ * For any key, we may need to make provider specific adjustments, such
+ * as ensure the key carries the correct library context.
+ */
+ adjust_key_fn *adjust_key;
+ /* {type}_free() */
+ free_key_fn *free_key;
+};
+
+/*
+ * Start blatant code steal. Alternative: Open up d2i_X509_PUBKEY_INTERNAL
+ * as per https://github.com/openssl/openssl/issues/16697 (TBD)
+ * Code from from openssl/crypto/x509/x_pubkey.c as
+ * ossl_d2i_X509_PUBKEY_INTERNAL is presently not public
+ */
+struct X509_pubkey_st {
+ X509_ALGOR *algor;
+ ASN1_BIT_STRING *public_key;
+
+ EVP_PKEY *pkey;
+
+ /* extra data for the callback, used by d2i_PUBKEY_ex */
+ OSSL_LIB_CTX *libctx;
+ char *propq;
+};
+
+ASN1_SEQUENCE(X509_PUBKEY_INTERNAL) = {
+ ASN1_SIMPLE(X509_PUBKEY, algor, X509_ALGOR),
+ ASN1_SIMPLE(X509_PUBKEY, public_key, ASN1_BIT_STRING)
+} static_ASN1_SEQUENCE_END_name(X509_PUBKEY, X509_PUBKEY_INTERNAL)
+
+static X509_PUBKEY *xorx_d2i_X509_PUBKEY_INTERNAL(const unsigned char **pp,
+ long len, OSSL_LIB_CTX *libctx)
+{
+ X509_PUBKEY *xpub = OPENSSL_zalloc(sizeof(*xpub));
+
+ if (xpub == NULL)
+ return NULL;
+ return (X509_PUBKEY *)ASN1_item_d2i_ex((ASN1_VALUE **)&xpub, pp, len,
+ ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL),
+ libctx, NULL);
+}
+/* end steal https://github.com/openssl/openssl/issues/16697 */
+
+/*
+ * Context used for DER to key decoding.
+ */
+struct der2key_ctx_st {
+ PROV_XOR_CTX *provctx;
+ struct keytype_desc_st *desc;
+ /* The selection that is passed to xor_der2key_decode() */
+ int selection;
+ /* Flag used to signal that a failure is fatal */
+ unsigned int flag_fatal : 1;
+};
+
+static int xor_read_der(PROV_XOR_CTX *provctx, OSSL_CORE_BIO *cin,
+ unsigned char **data, long *len)
+{
+ BUF_MEM *mem = NULL;
+ BIO *in = BIO_new_from_core_bio(provctx->libctx, cin);
+ int ok = (asn1_d2i_read_bio(in, &mem) >= 0);
+
+ if (ok) {
+ *data = (unsigned char *)mem->data;
+ *len = (long)mem->length;
+ OPENSSL_free(mem);
+ }
+ BIO_free(in);
+ return ok;
+}
+
+typedef void *key_from_pkcs8_t(const PKCS8_PRIV_KEY_INFO *p8inf,
+ OSSL_LIB_CTX *libctx, const char *propq);
+static void *xor_der2key_decode_p8(const unsigned char **input_der,
+ long input_der_len, struct der2key_ctx_st *ctx,
+ key_from_pkcs8_t *key_from_pkcs8)
+{
+ PKCS8_PRIV_KEY_INFO *p8inf = NULL;
+ const X509_ALGOR *alg = NULL;
+ void *key = NULL;
+
+ if ((p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, input_der, input_der_len)) != NULL
+ && PKCS8_pkey_get0(NULL, NULL, NULL, &alg, p8inf)
+ && OBJ_obj2nid(alg->algorithm) == ctx->desc->evp_type)
+ key = key_from_pkcs8(p8inf, PROV_XOR_LIBCTX_OF(ctx->provctx), NULL);
+ PKCS8_PRIV_KEY_INFO_free(p8inf);
+
+ return key;
+}
+
+static XORKEY *xor_d2i_PUBKEY(XORKEY **a,
+ const unsigned char **pp, long length)
+{
+ XORKEY *key = NULL;
+ X509_PUBKEY *xpk;
+
+ xpk = xorx_d2i_X509_PUBKEY_INTERNAL(pp, length, NULL);
+
+ key = xor_key_from_x509pubkey(xpk, NULL, NULL);
+
+ if (key == NULL)
+ goto err_exit;
+
+ if (a != NULL) {
+ xor_freekey(*a);
+ *a = key;
+ }
+
+ err_exit:
+ X509_PUBKEY_free(xpk);
+ return key;
+}
+
+
+/* ---------------------------------------------------------------------- */
+
+static OSSL_FUNC_decoder_freectx_fn der2key_freectx;
+static OSSL_FUNC_decoder_decode_fn xor_der2key_decode;
+static OSSL_FUNC_decoder_export_object_fn der2key_export_object;
+
+static struct der2key_ctx_st *
+der2key_newctx(void *provctx, struct keytype_desc_st *desc, const char* tls_name)
+{
+ struct der2key_ctx_st *ctx = OPENSSL_zalloc(sizeof(*ctx));
+
+ if (ctx != NULL) {
+ ctx->provctx = provctx;
+ ctx->desc = desc;
+ if (desc->evp_type == 0) {
+ ctx->desc->evp_type = OBJ_sn2nid(tls_name);
+ }
+ }
+ return ctx;
+}
+
+static void der2key_freectx(void *vctx)
+{
+ struct der2key_ctx_st *ctx = vctx;
+
+ OPENSSL_free(ctx);
+}
+
+static int der2key_check_selection(int selection,
+ const struct keytype_desc_st *desc)
+{
+ /*
+ * The selections are kinda sorta "levels", i.e. each selection given
+ * here is assumed to include those following.
+ */
+ int checks[] = {
+ OSSL_KEYMGMT_SELECT_PRIVATE_KEY,
+ OSSL_KEYMGMT_SELECT_PUBLIC_KEY,
+ OSSL_KEYMGMT_SELECT_ALL_PARAMETERS
+ };
+ size_t i;
+
+ /* The decoder implementations made here support guessing */
+ if (selection == 0)
+ return 1;
+
+ for (i = 0; i < OSSL_NELEM(checks); i++) {
+ int check1 = (selection & checks[i]) != 0;
+ int check2 = (desc->selection_mask & checks[i]) != 0;
+
+ /*
+ * If the caller asked for the currently checked bit(s), return
+ * whether the decoder description says it's supported.
+ */
+ if (check1)
+ return check2;
+ }
+
+ /* This should be dead code, but just to be safe... */
+ return 0;
+}
+
+static int xor_der2key_decode(void *vctx, OSSL_CORE_BIO *cin, int selection,
+ OSSL_CALLBACK *data_cb, void *data_cbarg,
+ OSSL_PASSPHRASE_CALLBACK *pw_cb, void *pw_cbarg)
+{
+ struct der2key_ctx_st *ctx = vctx;
+ unsigned char *der = NULL;
+ const unsigned char *derp;
+ long der_len = 0;
+ void *key = NULL;
+ int ok = 0;
+
+ ctx->selection = selection;
+ /*
+ * The caller is allowed to specify 0 as a selection mark, to have the
+ * structure and key type guessed. For type-specific structures, this
+ * is not recommended, as some structures are very similar.
+ * Note that 0 isn't the same as OSSL_KEYMGMT_SELECT_ALL, as the latter
+ * signifies a private key structure, where everything else is assumed
+ * to be present as well.
+ */
+ if (selection == 0)
+ selection = ctx->desc->selection_mask;
+ if ((selection & ctx->desc->selection_mask) == 0) {
+ ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT);
+ return 0;
+ }
+
+ ok = xor_read_der(ctx->provctx, cin, &der, &der_len);
+ if (!ok)
+ goto next;
+
+ ok = 0; /* Assume that we fail */
+
+ if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) {
+ derp = der;
+ if (ctx->desc->d2i_PKCS8 != NULL) {
+ key = ctx->desc->d2i_PKCS8(NULL, &derp, der_len, ctx);
+ if (ctx->flag_fatal)
+ goto end;
+ } else if (ctx->desc->d2i_private_key != NULL) {
+ key = ctx->desc->d2i_private_key(NULL, &derp, der_len);
+ }
+ if (key == NULL && ctx->selection != 0)
+ goto next;
+ }
+ if (key == NULL && (selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
+ derp = der;
+ if (ctx->desc->d2i_PUBKEY != NULL)
+ key = ctx->desc->d2i_PUBKEY(NULL, &derp, der_len);
+ else
+ key = ctx->desc->d2i_public_key(NULL, &derp, der_len);
+ if (key == NULL && ctx->selection != 0)
+ goto next;
+ }
+ if (key == NULL && (selection & OSSL_KEYMGMT_SELECT_ALL_PARAMETERS) != 0) {
+ derp = der;
+ if (ctx->desc->d2i_key_params != NULL)
+ key = ctx->desc->d2i_key_params(NULL, &derp, der_len);
+ if (key == NULL && ctx->selection != 0)
+ goto next;
+ }
+
+ /*
+ * Last minute check to see if this was the correct type of key. This
+ * should never lead to a fatal error, i.e. the decoding itself was
+ * correct, it was just an unexpected key type. This is generally for
+ * classes of key types that have subtle variants, like RSA-PSS keys as
+ * opposed to plain RSA keys.
+ */
+ if (key != NULL
+ && ctx->desc->check_key != NULL
+ && !ctx->desc->check_key(key, ctx)) {
+ ctx->desc->free_key(key);
+ key = NULL;
+ }
+
+ if (key != NULL && ctx->desc->adjust_key != NULL)
+ ctx->desc->adjust_key(key, ctx);
+
+ next:
+ /*
+ * Indicated that we successfully decoded something, or not at all.
+ * Ending up "empty handed" is not an error.
+ */
+ ok = 1;
+
+ /*
+ * We free memory here so it's not held up during the callback, because
+ * we know the process is recursive and the allocated chunks of memory
+ * add up.
+ */
+ OPENSSL_free(der);
+ der = NULL;
+
+ if (key != NULL) {
+ OSSL_PARAM params[4];
+ int object_type = OSSL_OBJECT_PKEY;
+
+ params[0] =
+ OSSL_PARAM_construct_int(OSSL_OBJECT_PARAM_TYPE, &object_type);
+ params[1] =
+ OSSL_PARAM_construct_utf8_string(OSSL_OBJECT_PARAM_DATA_TYPE,
+ (char *)ctx->desc->keytype_name,
+ 0);
+ /* The address of the key becomes the octet string */
+ params[2] =
+ OSSL_PARAM_construct_octet_string(OSSL_OBJECT_PARAM_REFERENCE,
+ &key, sizeof(key));
+ params[3] = OSSL_PARAM_construct_end();
+
+ ok = data_cb(params, data_cbarg);
+ }
+
+ end:
+ ctx->desc->free_key(key);
+ OPENSSL_free(der);
+
+ return ok;
+}
+
+static int der2key_export_object(void *vctx,
+ const void *reference, size_t reference_sz,
+ OSSL_CALLBACK *export_cb, void *export_cbarg)
+{
+ struct der2key_ctx_st *ctx = vctx;
+ OSSL_FUNC_keymgmt_export_fn *export =
+ xor_prov_get_keymgmt_export(ctx->desc->fns);
+ void *keydata;
+
+ if (reference_sz == sizeof(keydata) && export != NULL) {
+ /* The contents of the reference is the address to our object */
+ keydata = *(void **)reference;
+
+ return export(keydata, ctx->selection, export_cb, export_cbarg);
+ }
+ return 0;
+}
+
+/* ---------------------------------------------------------------------- */
+
+static void *xorx_d2i_PKCS8(void **key, const unsigned char **der, long der_len,
+ struct der2key_ctx_st *ctx)
+{
+ return xor_der2key_decode_p8(der, der_len, ctx,
+ (key_from_pkcs8_t *)xor_key_from_pkcs8);
+}
+
+static void xorx_key_adjust(void *key, struct der2key_ctx_st *ctx)
+{
+}
+
+/* ---------------------------------------------------------------------- */
+
+#define DO_PrivateKeyInfo(keytype) \
+ "PrivateKeyInfo", 0, \
+ ( OSSL_KEYMGMT_SELECT_PRIVATE_KEY ), \
+ NULL, \
+ NULL, \
+ NULL, \
+ xorx_d2i_PKCS8, \
+ NULL, \
+ NULL, \
+ xorx_key_adjust, \
+ (free_key_fn *)xor_freekey
+
+#define DO_SubjectPublicKeyInfo(keytype) \
+ "SubjectPublicKeyInfo", 0, \
+ ( OSSL_KEYMGMT_SELECT_PUBLIC_KEY ), \
+ NULL, \
+ NULL, \
+ NULL, \
+ NULL, \
+ (d2i_of_void *)xor_d2i_PUBKEY, \
+ NULL, \
+ xorx_key_adjust, \
+ (free_key_fn *)xor_freekey
+
+/*
+ * MAKE_DECODER is the single driver for creating OSSL_DISPATCH tables.
+ * It takes the following arguments:
+ *
+ * keytype_name The implementation key type as a string.
+ * keytype The implementation key type. This must correspond exactly
+ * to our existing keymgmt keytype names... in other words,
+ * there must exist an ossl_##keytype##_keymgmt_functions.
+ * type The type name for the set of functions that implement the
+ * decoder for the key type. This isn't necessarily the same
+ * as keytype. For example, the key types ed25519, ed448,
+ * x25519 and x448 are all handled by the same functions with
+ * the common type name ecx.
+ * kind The kind of support to implement. This translates into
+ * the DO_##kind macros above, to populate the keytype_desc_st
+ * structure.
+ */
+#define MAKE_DECODER(keytype_name, keytype, type, kind) \
+ static struct keytype_desc_st kind##_##keytype##_desc = \
+ { keytype_name, xor_##keytype##_keymgmt_functions, \
+ DO_##kind(keytype) }; \
+ \
+ static OSSL_FUNC_decoder_newctx_fn kind##_der2##keytype##_newctx; \
+ \
+ static void *kind##_der2##keytype##_newctx(void *provctx) \
+ { \
+ return der2key_newctx(provctx, &kind##_##keytype##_desc, keytype_name );\
+ } \
+ static int kind##_der2##keytype##_does_selection(void *provctx, \
+ int selection) \
+ { \
+ return der2key_check_selection(selection, \
+ &kind##_##keytype##_desc); \
+ } \
+ static const OSSL_DISPATCH \
+ xor_##kind##_der_to_##keytype##_decoder_functions[] = { \
+ { OSSL_FUNC_DECODER_NEWCTX, \
+ (void (*)(void))kind##_der2##keytype##_newctx }, \
+ { OSSL_FUNC_DECODER_FREECTX, \
+ (void (*)(void))der2key_freectx }, \
+ { OSSL_FUNC_DECODER_DOES_SELECTION, \
+ (void (*)(void))kind##_der2##keytype##_does_selection }, \
+ { OSSL_FUNC_DECODER_DECODE, \
+ (void (*)(void))xor_der2key_decode }, \
+ { OSSL_FUNC_DECODER_EXPORT_OBJECT, \
+ (void (*)(void))der2key_export_object }, \
+ { 0, NULL } \
+ }
+
+MAKE_DECODER(XORSIGALG_NAME, xorhmacsig, xor, PrivateKeyInfo);
+MAKE_DECODER(XORSIGALG_NAME, xorhmacsig, xor, SubjectPublicKeyInfo);
+MAKE_DECODER(XORSIGALG_HASH_NAME, xorhmacsha2sig, xor, PrivateKeyInfo);
+MAKE_DECODER(XORSIGALG_HASH_NAME, xorhmacsha2sig, xor, SubjectPublicKeyInfo);
+
+static const OSSL_ALGORITHM tls_prov_decoder[] = {
+#define DECODER_PROVIDER "tls-provider"
+#define DECODER_STRUCTURE_SubjectPublicKeyInfo "SubjectPublicKeyInfo"
+#define DECODER_STRUCTURE_PrivateKeyInfo "PrivateKeyInfo"
+
+/* Arguments are prefixed with '_' to avoid build breaks on certain platforms */
+/*
+ * Obviously this is not FIPS approved, but in order to test in conjunction
+ * with the FIPS provider we pretend that it is.
+ */
+
+#define DECODER(_name, _input, _output) \
+ { _name, \
+ "provider=" DECODER_PROVIDER ",fips=yes,input=" #_input, \
+ (xor_##_input##_to_##_output##_decoder_functions) }
+#define DECODER_w_structure(_name, _input, _structure, _output) \
+ { _name, \
+ "provider=" DECODER_PROVIDER ",fips=yes,input=" #_input \
+ ",structure=" DECODER_STRUCTURE_##_structure, \
+ (xor_##_structure##_##_input##_to_##_output##_decoder_functions) }
+
+DECODER_w_structure(XORSIGALG_NAME, der, PrivateKeyInfo, xorhmacsig),
+DECODER_w_structure(XORSIGALG_NAME, der, SubjectPublicKeyInfo, xorhmacsig),
+DECODER_w_structure(XORSIGALG_HASH_NAME, der, PrivateKeyInfo, xorhmacsha2sig),
+DECODER_w_structure(XORSIGALG_HASH_NAME, der, SubjectPublicKeyInfo, xorhmacsha2sig),
+#undef DECODER_PROVIDER
+ { NULL, NULL, NULL }
+};
+
+#define OSSL_MAX_NAME_SIZE 50
+#define OSSL_MAX_PROPQUERY_SIZE 256 /* Property query strings */
+
+static OSSL_FUNC_signature_newctx_fn xor_sig_newctx;
+static OSSL_FUNC_signature_sign_init_fn xor_sig_sign_init;
+static OSSL_FUNC_signature_verify_init_fn xor_sig_verify_init;
+static OSSL_FUNC_signature_sign_fn xor_sig_sign;
+static OSSL_FUNC_signature_verify_fn xor_sig_verify;
+static OSSL_FUNC_signature_digest_sign_init_fn xor_sig_digest_sign_init;
+static OSSL_FUNC_signature_digest_sign_update_fn xor_sig_digest_signverify_update;
+static OSSL_FUNC_signature_digest_sign_final_fn xor_sig_digest_sign_final;
+static OSSL_FUNC_signature_digest_verify_init_fn xor_sig_digest_verify_init;
+static OSSL_FUNC_signature_digest_verify_update_fn xor_sig_digest_signverify_update;
+static OSSL_FUNC_signature_digest_verify_final_fn xor_sig_digest_verify_final;
+static OSSL_FUNC_signature_freectx_fn xor_sig_freectx;
+static OSSL_FUNC_signature_dupctx_fn xor_sig_dupctx;
+static OSSL_FUNC_signature_get_ctx_params_fn xor_sig_get_ctx_params;
+static OSSL_FUNC_signature_gettable_ctx_params_fn xor_sig_gettable_ctx_params;
+static OSSL_FUNC_signature_set_ctx_params_fn xor_sig_set_ctx_params;
+static OSSL_FUNC_signature_settable_ctx_params_fn xor_sig_settable_ctx_params;
+static OSSL_FUNC_signature_get_ctx_md_params_fn xor_sig_get_ctx_md_params;
+static OSSL_FUNC_signature_gettable_ctx_md_params_fn xor_sig_gettable_ctx_md_params;
+static OSSL_FUNC_signature_set_ctx_md_params_fn xor_sig_set_ctx_md_params;
+static OSSL_FUNC_signature_settable_ctx_md_params_fn xor_sig_settable_ctx_md_params;
+
+static int xor_get_aid(unsigned char** oidbuf, const char *tls_name) {
+ X509_ALGOR *algor = X509_ALGOR_new();
+ int aidlen = 0;
+
+ X509_ALGOR_set0(algor, OBJ_txt2obj(tls_name, 0), V_ASN1_UNDEF, NULL);
+
+ aidlen = i2d_X509_ALGOR(algor, oidbuf);
+ X509_ALGOR_free(algor);
+ return(aidlen);
+}
+
+/*
+ * What's passed as an actual key is defined by the KEYMGMT interface.
+ */
+typedef struct {
+ OSSL_LIB_CTX *libctx;
+ char *propq;
+ XORKEY *sig;
+
+ /*
+ * Flag to determine if the hash function can be changed (1) or not (0)
+ * Because it's dangerous to change during a DigestSign or DigestVerify
+ * operation, this flag is cleared by their Init function, and set again
+ * by their Final function.
+ */
+ unsigned int flag_allow_md : 1;
+
+ char mdname[OSSL_MAX_NAME_SIZE];
+
+ /* The Algorithm Identifier of the combined signature algorithm */
+ unsigned char *aid;
+ size_t aid_len;
+
+ /* main digest */
+ EVP_MD *md;
+ EVP_MD_CTX *mdctx;
+ int operation;
+} PROV_XORSIG_CTX;
+
+static void *xor_sig_newctx(void *provctx, const char *propq)
+{
+ PROV_XORSIG_CTX *pxor_sigctx;
+
+ pxor_sigctx = OPENSSL_zalloc(sizeof(PROV_XORSIG_CTX));
+ if (pxor_sigctx == NULL)
+ return NULL;
+
+ pxor_sigctx->libctx = ((PROV_XOR_CTX*)provctx)->libctx;
+ pxor_sigctx->flag_allow_md = 0;
+ if (propq != NULL && (pxor_sigctx->propq = OPENSSL_strdup(propq)) == NULL) {
+ OPENSSL_free(pxor_sigctx);
+ pxor_sigctx = NULL;
+ ERR_raise(ERR_LIB_USER, ERR_R_MALLOC_FAILURE);
+ }
+ return pxor_sigctx;
+}
+
+static int xor_sig_setup_md(PROV_XORSIG_CTX *ctx,
+ const char *mdname, const char *mdprops)
+{
+ EVP_MD *md;
+
+ if (mdprops == NULL)
+ mdprops = ctx->propq;
+
+ md = EVP_MD_fetch(ctx->libctx, mdname, mdprops);
+
+ if ((md == NULL) || (EVP_MD_nid(md)==NID_undef)) {
+ if (md == NULL)
+ ERR_raise_data(ERR_LIB_USER, XORPROV_R_INVALID_DIGEST,
+ "%s could not be fetched", mdname);
+ EVP_MD_free(md);
+ return 0;
+ }
+
+ EVP_MD_CTX_free(ctx->mdctx);
+ ctx->mdctx = NULL;
+ EVP_MD_free(ctx->md);
+ ctx->md = NULL;
+
+ OPENSSL_free(ctx->aid);
+ ctx->aid = NULL;
+ ctx->aid_len = xor_get_aid(&(ctx->aid), ctx->sig->tls_name);
+
+ ctx->mdctx = NULL;
+ ctx->md = md;
+ OPENSSL_strlcpy(ctx->mdname, mdname, sizeof(ctx->mdname));
+ return 1;
+}
+
+static int xor_sig_signverify_init(void *vpxor_sigctx, void *vxorsig,
+ int operation)
+{
+ PROV_XORSIG_CTX *pxor_sigctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+
+ if (pxor_sigctx == NULL || vxorsig == NULL)
+ return 0;
+ xor_freekey(pxor_sigctx->sig);
+ if (!xor_key_up_ref(vxorsig))
+ return 0;
+ pxor_sigctx->sig = vxorsig;
+ pxor_sigctx->operation = operation;
+ if ((operation==EVP_PKEY_OP_SIGN && pxor_sigctx->sig == NULL)
+ || (operation==EVP_PKEY_OP_VERIFY && pxor_sigctx->sig == NULL)) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_INVALID_KEY);
+ return 0;
+ }
+ return 1;
+}
+
+static int xor_sig_sign_init(void *vpxor_sigctx, void *vxorsig,
+ const OSSL_PARAM params[])
+{
+ return xor_sig_signverify_init(vpxor_sigctx, vxorsig, EVP_PKEY_OP_SIGN);
+}
+
+static int xor_sig_verify_init(void *vpxor_sigctx, void *vxorsig,
+ const OSSL_PARAM params[])
+{
+ return xor_sig_signverify_init(vpxor_sigctx, vxorsig, EVP_PKEY_OP_VERIFY);
+}
+
+static int xor_sig_sign(void *vpxor_sigctx, unsigned char *sig, size_t *siglen,
+ size_t sigsize, const unsigned char *tbs, size_t tbslen)
+{
+ PROV_XORSIG_CTX *pxor_sigctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+ XORKEY *xorkey = pxor_sigctx->sig;
+
+ size_t max_sig_len = EVP_MAX_MD_SIZE;
+ size_t xor_sig_len = 0;
+ int rv = 0;
+
+ if (xorkey == NULL || !xorkey->hasprivkey) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_NO_PRIVATE_KEY);
+ return rv;
+ }
+
+ if (sig == NULL) {
+ *siglen = max_sig_len;
+ return 1;
+ }
+ if (*siglen < max_sig_len) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_BUFFER_LENGTH_WRONG);
+ return rv;
+ }
+
+ /*
+ * create HMAC using XORKEY as key and hash as data:
+ * No real crypto, just for test, don't do this at home!
+ */
+ if (!EVP_Q_mac(pxor_sigctx->libctx, "HMAC", NULL, "sha1", NULL,
+ xorkey->privkey, XOR_KEY_SIZE, tbs, tbslen,
+ &sig[0], EVP_MAX_MD_SIZE, &xor_sig_len)) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_SIGNING_FAILED);
+ goto endsign;
+ }
+
+ *siglen = xor_sig_len;
+ rv = 1; /* success */
+
+ endsign:
+ return rv;
+}
+
+static int xor_sig_verify(void *vpxor_sigctx,
+ const unsigned char *sig, size_t siglen,
+ const unsigned char *tbs, size_t tbslen)
+{
+ PROV_XORSIG_CTX *pxor_sigctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+ XORKEY *xorkey = pxor_sigctx->sig;
+ unsigned char resignature[EVP_MAX_MD_SIZE];
+ size_t resiglen;
+ int i;
+
+ if (xorkey == NULL || sig == NULL || tbs == NULL) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_WRONG_PARAMETERS);
+ return 0;
+ }
+
+ /*
+ * This is no real verify: just re-sign and compare:
+ * Don't do this at home! Not fit for real use!
+ */
+ /* First re-create private key from public key: */
+ for (i = 0; i < XOR_KEY_SIZE; i++)
+ xorkey->privkey[i] = xorkey->pubkey[i] ^ private_constant[i];
+
+ /* Now re-create signature */
+ if (!EVP_Q_mac(pxor_sigctx->libctx, "HMAC", NULL, "sha1", NULL,
+ xorkey->privkey, XOR_KEY_SIZE, tbs, tbslen,
+ &resignature[0], EVP_MAX_MD_SIZE, &resiglen)) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_VERIFY_ERROR);
+ return 0;
+ }
+
+ /* Now compare with signature passed */
+ if (siglen != resiglen || memcmp(resignature, sig, siglen) != 0) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_VERIFY_ERROR);
+ return 0;
+ }
+ return 1;
+}
+
+static int xor_sig_digest_signverify_init(void *vpxor_sigctx, const char *mdname,
+ void *vxorsig, int operation)
+{
+ PROV_XORSIG_CTX *pxor_sigctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+ char *rmdname = (char *)mdname;
+
+ if (rmdname == NULL)
+ rmdname = "sha256";
+
+ pxor_sigctx->flag_allow_md = 0;
+ if (!xor_sig_signverify_init(vpxor_sigctx, vxorsig, operation))
+ return 0;
+
+ if (!xor_sig_setup_md(pxor_sigctx, rmdname, NULL))
+ return 0;
+
+ pxor_sigctx->mdctx = EVP_MD_CTX_new();
+ if (pxor_sigctx->mdctx == NULL)
+ goto error;
+
+ if (!EVP_DigestInit_ex(pxor_sigctx->mdctx, pxor_sigctx->md, NULL))
+ goto error;
+
+ return 1;
+
+ error:
+ EVP_MD_CTX_free(pxor_sigctx->mdctx);
+ EVP_MD_free(pxor_sigctx->md);
+ pxor_sigctx->mdctx = NULL;
+ pxor_sigctx->md = NULL;
+ return 0;
+}
+
+static int xor_sig_digest_sign_init(void *vpxor_sigctx, const char *mdname,
+ void *vxorsig, const OSSL_PARAM params[])
+{
+ return xor_sig_digest_signverify_init(vpxor_sigctx, mdname, vxorsig,
+ EVP_PKEY_OP_SIGN);
+}
+
+static int xor_sig_digest_verify_init(void *vpxor_sigctx, const char *mdname, void *vxorsig, const OSSL_PARAM params[])
+{
+ return xor_sig_digest_signverify_init(vpxor_sigctx, mdname,
+ vxorsig, EVP_PKEY_OP_VERIFY);
+}
+
+int xor_sig_digest_signverify_update(void *vpxor_sigctx,
+ const unsigned char *data,
+ size_t datalen)
+{
+ PROV_XORSIG_CTX *pxor_sigctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+
+ if (pxor_sigctx == NULL || pxor_sigctx->mdctx == NULL)
+ return 0;
+
+ return EVP_DigestUpdate(pxor_sigctx->mdctx, data, datalen);
+}
+
+int xor_sig_digest_sign_final(void *vpxor_sigctx,
+ unsigned char *sig, size_t *siglen,
+ size_t sigsize)
+{
+ PROV_XORSIG_CTX *pxor_sigctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+ unsigned char digest[EVP_MAX_MD_SIZE];
+ unsigned int dlen = 0;
+
+ if (sig != NULL) {
+ if (pxor_sigctx == NULL || pxor_sigctx->mdctx == NULL)
+ return 0;
+
+ if (!EVP_DigestFinal_ex(pxor_sigctx->mdctx, digest, &dlen))
+ return 0;
+
+ pxor_sigctx->flag_allow_md = 1;
+ }
+
+ return xor_sig_sign(vpxor_sigctx, sig, siglen, sigsize, digest, (size_t)dlen);
+
+}
+
+int xor_sig_digest_verify_final(void *vpxor_sigctx, const unsigned char *sig,
+ size_t siglen)
+{
+ PROV_XORSIG_CTX *pxor_sigctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+ unsigned char digest[EVP_MAX_MD_SIZE];
+ unsigned int dlen = 0;
+
+ if (pxor_sigctx == NULL || pxor_sigctx->mdctx == NULL)
+ return 0;
+
+ if (!EVP_DigestFinal_ex(pxor_sigctx->mdctx, digest, &dlen))
+ return 0;
+
+ pxor_sigctx->flag_allow_md = 1;
+
+ return xor_sig_verify(vpxor_sigctx, sig, siglen, digest, (size_t)dlen);
+}
+
+static void xor_sig_freectx(void *vpxor_sigctx)
+{
+ PROV_XORSIG_CTX *ctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+
+ OPENSSL_free(ctx->propq);
+ EVP_MD_CTX_free(ctx->mdctx);
+ EVP_MD_free(ctx->md);
+ ctx->propq = NULL;
+ ctx->mdctx = NULL;
+ ctx->md = NULL;
+ xor_freekey(ctx->sig);
+ ctx->sig = NULL;
+ OPENSSL_free(ctx->aid);
+ OPENSSL_free(ctx);
+}
+
+static void *xor_sig_dupctx(void *vpxor_sigctx)
+{
+ PROV_XORSIG_CTX *srcctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+ PROV_XORSIG_CTX *dstctx;
+
+ dstctx = OPENSSL_zalloc(sizeof(*srcctx));
+ if (dstctx == NULL)
+ return NULL;
+
+ *dstctx = *srcctx;
+ dstctx->sig = NULL;
+ dstctx->md = NULL;
+ dstctx->mdctx = NULL;
+ dstctx->aid = NULL;
+
+ if ((srcctx->sig != NULL) && !xor_key_up_ref(srcctx->sig))
+ goto err;
+ dstctx->sig = srcctx->sig;
+
+ if (srcctx->md != NULL && !EVP_MD_up_ref(srcctx->md))
+ goto err;
+ dstctx->md = srcctx->md;
+
+ if (srcctx->mdctx != NULL) {
+ dstctx->mdctx = EVP_MD_CTX_new();
+ if (dstctx->mdctx == NULL
+ || !EVP_MD_CTX_copy_ex(dstctx->mdctx, srcctx->mdctx))
+ goto err;
+ }
+
+ return dstctx;
+ err:
+ xor_sig_freectx(dstctx);
+ return NULL;
+}
+
+static int xor_sig_get_ctx_params(void *vpxor_sigctx, OSSL_PARAM *params)
+{
+ PROV_XORSIG_CTX *pxor_sigctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+ OSSL_PARAM *p;
+
+ if (pxor_sigctx == NULL || params == NULL)
+ return 0;
+
+ p = OSSL_PARAM_locate(params, OSSL_SIGNATURE_PARAM_ALGORITHM_ID);
+
+ if (pxor_sigctx->aid == NULL)
+ pxor_sigctx->aid_len = xor_get_aid(&(pxor_sigctx->aid), pxor_sigctx->sig->tls_name);
+
+ if (p != NULL
+ && !OSSL_PARAM_set_octet_string(p, pxor_sigctx->aid, pxor_sigctx->aid_len))
+ return 0;
+
+ p = OSSL_PARAM_locate(params, OSSL_SIGNATURE_PARAM_DIGEST);
+ if (p != NULL && !OSSL_PARAM_set_utf8_string(p, pxor_sigctx->mdname))
+ return 0;
+
+ return 1;
+}
+
+static const OSSL_PARAM known_gettable_ctx_params[] = {
+ OSSL_PARAM_octet_string(OSSL_SIGNATURE_PARAM_ALGORITHM_ID, NULL, 0),
+ OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, NULL, 0),
+ OSSL_PARAM_END
+};
+
+static const OSSL_PARAM *xor_sig_gettable_ctx_params(ossl_unused void *vpxor_sigctx, ossl_unused void *vctx)
+{
+ return known_gettable_ctx_params;
+}
+
+static int xor_sig_set_ctx_params(void *vpxor_sigctx, const OSSL_PARAM params[])
+{
+ PROV_XORSIG_CTX *pxor_sigctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+ const OSSL_PARAM *p;
+
+ if (pxor_sigctx == NULL || params == NULL)
+ return 0;
+
+ p = OSSL_PARAM_locate_const(params, OSSL_SIGNATURE_PARAM_DIGEST);
+ /* Not allowed during certain operations */
+ if (p != NULL && !pxor_sigctx->flag_allow_md)
+ return 0;
+ if (p != NULL) {
+ char mdname[OSSL_MAX_NAME_SIZE] = "", *pmdname = mdname;
+ char mdprops[OSSL_MAX_PROPQUERY_SIZE] = "", *pmdprops = mdprops;
+ const OSSL_PARAM *propsp =
+ OSSL_PARAM_locate_const(params,
+ OSSL_SIGNATURE_PARAM_PROPERTIES);
+
+ if (!OSSL_PARAM_get_utf8_string(p, &pmdname, sizeof(mdname)))
+ return 0;
+ if (propsp != NULL
+ && !OSSL_PARAM_get_utf8_string(propsp, &pmdprops, sizeof(mdprops)))
+ return 0;
+ if (!xor_sig_setup_md(pxor_sigctx, mdname, mdprops))
+ return 0;
+ }
+
+ return 1;
+}
+
+static const OSSL_PARAM known_settable_ctx_params[] = {
+ OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, NULL, 0),
+ OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_PROPERTIES, NULL, 0),
+ OSSL_PARAM_END
+};
+
+static const OSSL_PARAM *xor_sig_settable_ctx_params(ossl_unused void *vpsm2ctx,
+ ossl_unused void *provctx)
+{
+ return known_settable_ctx_params;
+}
+
+static int xor_sig_get_ctx_md_params(void *vpxor_sigctx, OSSL_PARAM *params)
+{
+ PROV_XORSIG_CTX *pxor_sigctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+
+ if (pxor_sigctx->mdctx == NULL)
+ return 0;
+
+ return EVP_MD_CTX_get_params(pxor_sigctx->mdctx, params);
+}
+
+static const OSSL_PARAM *xor_sig_gettable_ctx_md_params(void *vpxor_sigctx)
+{
+ PROV_XORSIG_CTX *pxor_sigctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+
+ if (pxor_sigctx->md == NULL)
+ return 0;
+
+ return EVP_MD_gettable_ctx_params(pxor_sigctx->md);
+}
+
+static int xor_sig_set_ctx_md_params(void *vpxor_sigctx, const OSSL_PARAM params[])
+{
+ PROV_XORSIG_CTX *pxor_sigctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+
+ if (pxor_sigctx->mdctx == NULL)
+ return 0;
+
+ return EVP_MD_CTX_set_params(pxor_sigctx->mdctx, params);
+}
+
+static const OSSL_PARAM *xor_sig_settable_ctx_md_params(void *vpxor_sigctx)
+{
+ PROV_XORSIG_CTX *pxor_sigctx = (PROV_XORSIG_CTX *)vpxor_sigctx;
+
+ if (pxor_sigctx->md == NULL)
+ return 0;
+
+ return EVP_MD_settable_ctx_params(pxor_sigctx->md);
+}
+
+static const OSSL_DISPATCH xor_signature_functions[] = {
+ { OSSL_FUNC_SIGNATURE_NEWCTX, (void (*)(void))xor_sig_newctx },
+ { OSSL_FUNC_SIGNATURE_SIGN_INIT, (void (*)(void))xor_sig_sign_init },
+ { OSSL_FUNC_SIGNATURE_SIGN, (void (*)(void))xor_sig_sign },
+ { OSSL_FUNC_SIGNATURE_VERIFY_INIT, (void (*)(void))xor_sig_verify_init },
+ { OSSL_FUNC_SIGNATURE_VERIFY, (void (*)(void))xor_sig_verify },
+ { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_INIT,
+ (void (*)(void))xor_sig_digest_sign_init },
+ { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_UPDATE,
+ (void (*)(void))xor_sig_digest_signverify_update },
+ { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_FINAL,
+ (void (*)(void))xor_sig_digest_sign_final },
+ { OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_INIT,
+ (void (*)(void))xor_sig_digest_verify_init },
+ { OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_UPDATE,
+ (void (*)(void))xor_sig_digest_signverify_update },
+ { OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_FINAL,
+ (void (*)(void))xor_sig_digest_verify_final },
+ { OSSL_FUNC_SIGNATURE_FREECTX, (void (*)(void))xor_sig_freectx },
+ { OSSL_FUNC_SIGNATURE_DUPCTX, (void (*)(void))xor_sig_dupctx },
+ { OSSL_FUNC_SIGNATURE_GET_CTX_PARAMS, (void (*)(void))xor_sig_get_ctx_params },
+ { OSSL_FUNC_SIGNATURE_GETTABLE_CTX_PARAMS,
+ (void (*)(void))xor_sig_gettable_ctx_params },
+ { OSSL_FUNC_SIGNATURE_SET_CTX_PARAMS, (void (*)(void))xor_sig_set_ctx_params },
+ { OSSL_FUNC_SIGNATURE_SETTABLE_CTX_PARAMS,
+ (void (*)(void))xor_sig_settable_ctx_params },
+ { OSSL_FUNC_SIGNATURE_GET_CTX_MD_PARAMS,
+ (void (*)(void))xor_sig_get_ctx_md_params },
+ { OSSL_FUNC_SIGNATURE_GETTABLE_CTX_MD_PARAMS,
+ (void (*)(void))xor_sig_gettable_ctx_md_params },
+ { OSSL_FUNC_SIGNATURE_SET_CTX_MD_PARAMS,
+ (void (*)(void))xor_sig_set_ctx_md_params },
+ { OSSL_FUNC_SIGNATURE_SETTABLE_CTX_MD_PARAMS,
+ (void (*)(void))xor_sig_settable_ctx_md_params },
+ { 0, NULL }
+};
+
+static const OSSL_ALGORITHM tls_prov_signature[] = {
+ /*
+ * Obviously this is not FIPS approved, but in order to test in conjunction
+ * with the FIPS provider we pretend that it is.
+ */
+ { XORSIGALG_NAME, "provider=tls-provider,fips=yes",
+ xor_signature_functions },
+ { XORSIGALG_HASH_NAME, "provider=tls-provider,fips=yes",
+ xor_signature_functions },
+ { XORSIGALG12_NAME, "provider=tls-provider,fips=yes",
+ xor_signature_functions },
+ { NULL, NULL, NULL }
+};
+
+
+static const OSSL_ALGORITHM *tls_prov_query(void *provctx, int operation_id,
+ int *no_cache)
+{
+ *no_cache = 0;
+ switch (operation_id) {
+ case OSSL_OP_KEYMGMT:
+ return tls_prov_keymgmt;
+ case OSSL_OP_KEYEXCH:
+ return tls_prov_keyexch;
+ case OSSL_OP_KEM:
+ return tls_prov_kem;
+ case OSSL_OP_ENCODER:
+ return tls_prov_encoder;
+ case OSSL_OP_DECODER:
+ return tls_prov_decoder;
+ case OSSL_OP_SIGNATURE:
+ return tls_prov_signature;
+ }
+ return NULL;
+}
+
+static void tls_prov_teardown(void *provctx)
+{
+ int i;
+ PROV_XOR_CTX *pctx = (PROV_XOR_CTX*)provctx;
+
+ OSSL_LIB_CTX_free(pctx->libctx);
+
+ for (i = 0; i < NUM_DUMMY_GROUPS; i++) {
+ OPENSSL_free(dummy_group_names[i]);
+ dummy_group_names[i] = NULL;
+ }
+ OPENSSL_free(pctx);
+}
+
+/* Functions we provide to the core */
+static const OSSL_DISPATCH tls_prov_dispatch_table[] = {
+ { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))tls_prov_teardown },
+ { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))tls_prov_query },
+ { OSSL_FUNC_PROVIDER_GET_CAPABILITIES, (void (*)(void))tls_prov_get_capabilities },
+ { 0, NULL }
+};
+
+static
+unsigned int randomize_tls_alg_id(OSSL_LIB_CTX *libctx)
+{
+ /*
+ * Randomise the id we're going to use to ensure we don't interoperate
+ * with anything but ourselves.
+ */
+ unsigned int id;
+ static unsigned int mem[10] = { 0 };
+ static int in_mem = 0;
+ int i;
+
+ retry:
+ if (RAND_bytes_ex(libctx, (unsigned char *)&id, sizeof(id), 0) <= 0)
+ return 0;
+ /*
+ * Ensure id is within the IANA Reserved for private use range
+ * (65024-65279)
+ */
+ id %= 65279 - 65024;
+ id += 65024;
+
+ /* Ensure we did not already issue this id */
+ for (i = 0; i < in_mem; i++)
+ if (mem[i] == id)
+ goto retry;
+
+ /* Add this id to the list of ids issued by this function */
+ mem[in_mem++] = id;
+
+ return id;
+}
+
+int tls_provider_init(const OSSL_CORE_HANDLE *handle,
+ const OSSL_DISPATCH *in,
+ const OSSL_DISPATCH **out,
+ void **provctx)
+{
+ OSSL_LIB_CTX *libctx = OSSL_LIB_CTX_new_from_dispatch(handle, in);
+ OSSL_FUNC_core_obj_create_fn *c_obj_create= NULL;
+ OSSL_FUNC_core_obj_add_sigid_fn *c_obj_add_sigid= NULL;
+ PROV_XOR_CTX *prov_ctx = xor_newprovctx(libctx);
+
+ if (libctx == NULL || prov_ctx == NULL)
+ return 0;
+
+ *provctx = prov_ctx;
+
+ /*
+ * Randomise the group_id and code_points we're going to use to ensure we
+ * don't interoperate with anything but ourselves.
+ */
+ xor_group.group_id = randomize_tls_alg_id(libctx);
+ xor_kemgroup.group_id = randomize_tls_alg_id(libctx);
+ xor_sigalg.code_point = randomize_tls_alg_id(libctx);
+ xor_sigalg_hash.code_point = randomize_tls_alg_id(libctx);
+
+ /* Retrieve registration functions */
+ for (; in->function_id != 0; in++) {
+ switch (in->function_id) {
+ case OSSL_FUNC_CORE_OBJ_CREATE:
+ c_obj_create = OSSL_FUNC_core_obj_create(in);
+ break;
+ case OSSL_FUNC_CORE_OBJ_ADD_SIGID:
+ c_obj_add_sigid = OSSL_FUNC_core_obj_add_sigid(in);
+ break;
+ /* Just ignore anything we don't understand */
+ default:
+ break;
+ }
+ }
+
+ /*
+ * Register algorithms manually as add_provider_sigalgs is
+ * only called during session establishment -- too late for
+ * key & cert generation...
+ */
+ if (!c_obj_create(handle, XORSIGALG_OID, XORSIGALG_NAME, XORSIGALG_NAME)) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_OBJ_CREATE_ERR);
+ return 0;
+ }
+
+ if (!c_obj_add_sigid(handle, XORSIGALG_OID, "", XORSIGALG_OID)) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_OBJ_CREATE_ERR);
+ return 0;
+ }
+ if (!c_obj_create(handle, XORSIGALG_HASH_OID, XORSIGALG_HASH_NAME, NULL)) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_OBJ_CREATE_ERR);
+ return 0;
+ }
+
+ if (!c_obj_add_sigid(handle, XORSIGALG_HASH_OID, XORSIGALG_HASH, XORSIGALG_HASH_OID)) {
+ ERR_raise(ERR_LIB_USER, XORPROV_R_OBJ_CREATE_ERR);
+ return 0;
+ }
*out = tls_prov_dispatch_table;
return 1;
projects / openssl.git / commitdiff