/*
- * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
#include <stdio.h>
#include <stdlib.h>
-#include <openssl/engine.h>
+#ifndef FIPS_MODULE
+# include <openssl/engine.h>
+#endif
#include <openssl/evp.h>
-#include <openssl/x509v3.h>
#include <openssl/core_names.h>
#include <openssl/dh.h>
#include <openssl/rsa.h>
+#include <openssl/kdf.h>
#include "internal/cryptlib.h"
-#include "crypto/asn1.h"
+#ifndef FIPS_MODULE
+# include "crypto/asn1.h"
+#endif
#include "crypto/evp.h"
#include "crypto/dh.h"
+#include "crypto/ec.h"
#include "internal/ffc.h"
#include "internal/numbers.h"
#include "internal/provider.h"
#include "evp_local.h"
-#ifndef FIPS_MODE
+#ifndef FIPS_MODULE
+
+static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX *ctx,
+ int keytype, int optype,
+ int cmd, const char *name,
+ const void *data, size_t data_len);
+static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX *ctx,
+ int cmd, const char *name);
+static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX *ctx);
typedef const EVP_PKEY_METHOD *(*pmeth_fn)(void);
typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
/* This array needs to be in order of NIDs */
static pmeth_fn standard_methods[] = {
-# ifndef OPENSSL_NO_RSA
- rsa_pkey_method,
-# endif
+ ossl_rsa_pkey_method,
# ifndef OPENSSL_NO_DH
- dh_pkey_method,
+ ossl_dh_pkey_method,
# endif
# ifndef OPENSSL_NO_DSA
- dsa_pkey_method,
+ ossl_dsa_pkey_method,
# endif
# ifndef OPENSSL_NO_EC
- ec_pkey_method,
-# endif
- hmac_pkey_method,
-# ifndef OPENSSL_NO_CMAC
- cmac_pkey_method,
-# endif
-# ifndef OPENSSL_NO_RSA
- rsa_pss_pkey_method,
+ ossl_ec_pkey_method,
# endif
+ ossl_rsa_pss_pkey_method,
# ifndef OPENSSL_NO_DH
- dhx_pkey_method,
-# endif
-# ifndef OPENSSL_NO_SCRYPT
- scrypt_pkey_method,
+ ossl_dhx_pkey_method,
# endif
- tls1_prf_pkey_method,
# ifndef OPENSSL_NO_EC
- ecx25519_pkey_method,
- ecx448_pkey_method,
-# endif
- hkdf_pkey_method,
-# ifndef OPENSSL_NO_POLY1305
- poly1305_pkey_method,
-# endif
-# ifndef OPENSSL_NO_SIPHASH
- siphash_pkey_method,
+ ossl_ecx25519_pkey_method,
+ ossl_ecx448_pkey_method,
# endif
# ifndef OPENSSL_NO_EC
- ed25519_pkey_method,
- ed448_pkey_method,
-# endif
-# ifndef OPENSSL_NO_SM2
- sm2_pkey_method,
+ ossl_ed25519_pkey_method,
+ ossl_ed448_pkey_method,
# endif
};
return ((*a)->pkey_id - (*b)->pkey_id);
}
-const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
+static const EVP_PKEY_METHOD *evp_pkey_meth_find_added_by_application(int type)
{
- pmeth_fn *ret;
- EVP_PKEY_METHOD tmp;
- const EVP_PKEY_METHOD *t = &tmp;
-
- tmp.pkey_id = type;
- if (app_pkey_methods) {
+ if (app_pkey_methods != NULL) {
int idx;
+ EVP_PKEY_METHOD tmp;
+
+ tmp.pkey_id = type;
idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
if (idx >= 0)
return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
}
+ return NULL;
+}
+
+const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
+{
+ pmeth_fn *ret;
+ EVP_PKEY_METHOD tmp;
+ const EVP_PKEY_METHOD *t;
+
+ if ((t = evp_pkey_meth_find_added_by_application(type)) != NULL)
+ return t;
+
+ tmp.pkey_id = type;
+ t = &tmp;
ret = OBJ_bsearch_pmeth_func(&t, standard_methods,
- sizeof(standard_methods) /
- sizeof(pmeth_fn));
+ OSSL_NELEM(standard_methods));
if (ret == NULL || *ret == NULL)
return NULL;
return (**ret)();
pmeth = OPENSSL_zalloc(sizeof(*pmeth));
if (pmeth == NULL) {
- EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
return NULL;
}
pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
return pmeth;
}
-#endif /* FIPS_MODE */
-static EVP_PKEY_CTX *int_ctx_new(OPENSSL_CTX *libctx,
+static void help_get_legacy_alg_type_from_keymgmt(const char *keytype,
+ void *arg)
+{
+ int *type = arg;
+
+ if (*type == NID_undef)
+ *type = evp_pkey_name2type(keytype);
+}
+
+static int get_legacy_alg_type_from_keymgmt(const EVP_KEYMGMT *keymgmt)
+{
+ int type = NID_undef;
+
+ EVP_KEYMGMT_names_do_all(keymgmt, help_get_legacy_alg_type_from_keymgmt,
+ &type);
+ return type;
+}
+#endif /* FIPS_MODULE */
+
+int evp_pkey_ctx_state(const EVP_PKEY_CTX *ctx)
+{
+ if (ctx->operation == EVP_PKEY_OP_UNDEFINED)
+ return EVP_PKEY_STATE_UNKNOWN;
+
+ if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
+ && ctx->op.kex.algctx != NULL)
+ || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
+ && ctx->op.sig.algctx != NULL)
+ || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
+ && ctx->op.ciph.algctx != NULL)
+ || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
+ && ctx->op.keymgmt.genctx != NULL)
+ || (EVP_PKEY_CTX_IS_KEM_OP(ctx)
+ && ctx->op.encap.algctx != NULL))
+ return EVP_PKEY_STATE_PROVIDER;
+
+ return EVP_PKEY_STATE_LEGACY;
+}
+
+static EVP_PKEY_CTX *int_ctx_new(OSSL_LIB_CTX *libctx,
EVP_PKEY *pkey, ENGINE *e,
const char *keytype, const char *propquery,
int id)
{
- EVP_PKEY_CTX *ret;
- const EVP_PKEY_METHOD *pmeth = NULL;
+ EVP_PKEY_CTX *ret = NULL;
+ const EVP_PKEY_METHOD *pmeth = NULL, *app_pmeth = NULL;
EVP_KEYMGMT *keymgmt = NULL;
- /*
- * When using providers, the context is bound to the algo implementation
- * later.
- */
- if (pkey == NULL && e == NULL && id == -1)
- goto common;
-
- /*
- * If the key doesn't contain anything legacy, then it must be provided,
- * so we extract the necessary information and use that.
- */
- if (pkey != NULL && pkey->type == EVP_PKEY_NONE) {
- /* If we have an engine, something went wrong somewhere... */
- if (!ossl_assert(e == NULL))
- return NULL;
- keytype = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id);
- goto common;
- }
-#ifndef FIPS_MODE
- /* TODO(3.0) Legacy code should be removed when all is provider based */
+ /* Code below to be removed when legacy support is dropped. */
/* BEGIN legacy */
if (id == -1) {
- if (pkey == NULL)
+ if (pkey != NULL && !evp_pkey_is_provided(pkey)) {
+ id = pkey->type;
+ } else {
+ if (pkey != NULL) {
+ /* Must be provided if we get here */
+ keytype = EVP_KEYMGMT_get0_name(pkey->keymgmt);
+ }
+#ifndef FIPS_MODULE
+ if (keytype != NULL) {
+ id = evp_pkey_name2type(keytype);
+ if (id == NID_undef)
+ id = -1;
+ }
+#endif
+ }
+ }
+ /* If no ID was found here, we can only resort to find a keymgmt */
+ if (id == -1) {
+#ifndef FIPS_MODULE
+ /* Using engine with a key without id will not work */
+ if (e != NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM);
return NULL;
- id = pkey->type;
+ }
+#endif
+ goto common;
}
+#ifndef FIPS_MODULE
/*
* Here, we extract what information we can for the purpose of
* supporting usage with implementations from providers, to make
* for a smooth transition from legacy stuff to provider based stuff.
*
* If an engine is given, this is entirely legacy, and we should not
- * pretend anything else, so we only set the name when no engine is
- * given. If both are already given, someone made a mistake, and
- * since that can only happen internally, it's safe to make an
- * assertion.
+ * pretend anything else, so we clear the name.
*/
- if (!ossl_assert(e == NULL || keytype == NULL))
- return NULL;
- if (e == NULL)
+ if (e != NULL)
+ keytype = NULL;
+ if (e == NULL && (pkey == NULL || pkey->foreign == 0))
keytype = OBJ_nid2sn(id);
# ifndef OPENSSL_NO_ENGINE
if (e == NULL && pkey != NULL)
e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
/* Try to find an ENGINE which implements this method */
- if (e) {
+ if (e != NULL) {
if (!ENGINE_init(e)) {
- EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
+ ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB);
return NULL;
}
} else {
* If an ENGINE handled this method look it up. Otherwise use internal
* tables.
*/
- if (e)
+ if (e != NULL)
pmeth = ENGINE_get_pkey_meth(e, id);
+ else if (pkey != NULL && pkey->foreign)
+ pmeth = EVP_PKEY_meth_find(id);
else
# endif
- pmeth = EVP_PKEY_meth_find(id);
+ app_pmeth = pmeth = evp_pkey_meth_find_added_by_application(id);
- if (pmeth == NULL) {
-# ifndef OPENSSL_NO_ENGINE
- ENGINE_finish(e);
-# endif
- EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
- return NULL;
- }
/* END legacy */
-#endif /* FIPS_MODE */
+#endif /* FIPS_MODULE */
common:
/*
- * If there's no engine and there's a name, we try fetching a provider
- * implementation.
+ * If there's no engine and no app supplied pmeth and there's a name, we try
+ * fetching a provider implementation.
*/
- if (e == NULL && keytype != NULL) {
- /* This could fail so ignore errors */
- ERR_set_mark();
+ if (e == NULL && app_pmeth == NULL && keytype != NULL) {
keymgmt = EVP_KEYMGMT_fetch(libctx, keytype, propquery);
- ERR_pop_to_mark();
+ if (keymgmt == NULL)
+ return NULL; /* EVP_KEYMGMT_fetch() recorded an error */
+
+#ifndef FIPS_MODULE
+ /*
+ * Chase down the legacy NID, as that might be needed for diverse
+ * purposes, such as ensure that EVP_PKEY_type() can return sensible
+ * values. We go through all keymgmt names, because the keytype
+ * that's passed to this function doesn't necessarily translate
+ * directly.
+ */
+ if (keymgmt != NULL) {
+ int tmp_id = get_legacy_alg_type_from_keymgmt(keymgmt);
+
+ if (tmp_id != NID_undef) {
+ if (id == -1) {
+ id = tmp_id;
+ } else {
+ /*
+ * It really really shouldn't differ. If it still does,
+ * something is very wrong.
+ */
+ if (!ossl_assert(id == tmp_id)) {
+ ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
+ EVP_KEYMGMT_free(keymgmt);
+ return NULL;
+ }
+ }
+ }
+ }
+#endif
}
- ret = OPENSSL_zalloc(sizeof(*ret));
- if (ret == NULL) {
-#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
+ if (pmeth == NULL && keymgmt == NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM);
+ } else {
+ ret = OPENSSL_zalloc(sizeof(*ret));
+ if (ret == NULL)
+ ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
+ }
+
+#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
+ if ((ret == NULL || pmeth == NULL) && e != NULL)
ENGINE_finish(e);
#endif
- EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
+
+ if (ret == NULL) {
+ EVP_KEYMGMT_free(keymgmt);
return NULL;
}
+ if (propquery != NULL) {
+ ret->propquery = OPENSSL_strdup(propquery);
+ if (ret->propquery == NULL) {
+ OPENSSL_free(ret);
+ EVP_KEYMGMT_free(keymgmt);
+ return NULL;
+ }
+ }
ret->libctx = libctx;
- ret->propquery = propquery;
ret->keytype = keytype;
ret->keymgmt = keymgmt;
+ ret->legacy_keytype = id;
ret->engine = e;
ret->pmeth = pmeth;
ret->operation = EVP_PKEY_OP_UNDEFINED;
return ret;
}
-/*- All methods below can also be used in FIPS_MODE */
+/*- All methods below can also be used in FIPS_MODULE */
-EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OPENSSL_CTX *libctx,
+EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OSSL_LIB_CTX *libctx,
const char *name,
const char *propquery)
{
return int_ctx_new(libctx, NULL, NULL, name, propquery, -1);
}
-EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OPENSSL_CTX *libctx, EVP_PKEY *pkey,
+EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OSSL_LIB_CTX *libctx, EVP_PKEY *pkey,
const char *propquery)
{
return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1);
void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx)
{
if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
- if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL)
- ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx);
+ if (ctx->op.sig.algctx != NULL && ctx->op.sig.signature != NULL)
+ ctx->op.sig.signature->freectx(ctx->op.sig.algctx);
EVP_SIGNATURE_free(ctx->op.sig.signature);
- ctx->op.sig.sigprovctx = NULL;
+ ctx->op.sig.algctx = NULL;
ctx->op.sig.signature = NULL;
} else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
- if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL)
- ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx);
+ if (ctx->op.kex.algctx != NULL && ctx->op.kex.exchange != NULL)
+ ctx->op.kex.exchange->freectx(ctx->op.kex.algctx);
EVP_KEYEXCH_free(ctx->op.kex.exchange);
- ctx->op.kex.exchprovctx = NULL;
+ ctx->op.kex.algctx = NULL;
ctx->op.kex.exchange = NULL;
+ } else if (EVP_PKEY_CTX_IS_KEM_OP(ctx)) {
+ if (ctx->op.encap.algctx != NULL && ctx->op.encap.kem != NULL)
+ ctx->op.encap.kem->freectx(ctx->op.encap.algctx);
+ EVP_KEM_free(ctx->op.encap.kem);
+ ctx->op.encap.algctx = NULL;
+ ctx->op.encap.kem = NULL;
}
-/* TODO(3.0): add dependancies and uncomment this when available for fips mode */
-#ifndef FIPS_MODE
else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
- if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL)
- ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx);
+ if (ctx->op.ciph.algctx != NULL && ctx->op.ciph.cipher != NULL)
+ ctx->op.ciph.cipher->freectx(ctx->op.ciph.algctx);
EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher);
- ctx->op.ciph.ciphprovctx = NULL;
+ ctx->op.ciph.algctx = NULL;
ctx->op.ciph.cipher = NULL;
} else if (EVP_PKEY_CTX_IS_GEN_OP(ctx)) {
if (ctx->op.keymgmt.genctx != NULL && ctx->keymgmt != NULL)
evp_keymgmt_gen_cleanup(ctx->keymgmt, ctx->op.keymgmt.genctx);
}
-#endif
}
void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
ctx->pmeth->cleanup(ctx);
evp_pkey_ctx_free_old_ops(ctx);
+#ifndef FIPS_MODULE
+ evp_pkey_ctx_free_all_cached_data(ctx);
+#endif
EVP_KEYMGMT_free(ctx->keymgmt);
+ OPENSSL_free(ctx->propquery);
EVP_PKEY_free(ctx->pkey);
EVP_PKEY_free(ctx->peerkey);
-#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
+#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
ENGINE_finish(ctx->engine);
#endif
+ BN_free(ctx->rsa_pubexp);
OPENSSL_free(ctx);
}
-#ifndef FIPS_MODE
+#ifndef FIPS_MODULE
void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
const EVP_PKEY_METHOD *meth)
void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
{
+ int pkey_id = dst->pkey_id;
+ int flags = dst->flags;
- dst->init = src->init;
- dst->copy = src->copy;
- dst->cleanup = src->cleanup;
-
- dst->paramgen_init = src->paramgen_init;
- dst->paramgen = src->paramgen;
-
- dst->keygen_init = src->keygen_init;
- dst->keygen = src->keygen;
-
- dst->sign_init = src->sign_init;
- dst->sign = src->sign;
-
- dst->verify_init = src->verify_init;
- dst->verify = src->verify;
-
- dst->verify_recover_init = src->verify_recover_init;
- dst->verify_recover = src->verify_recover;
-
- dst->signctx_init = src->signctx_init;
- dst->signctx = src->signctx;
+ *dst = *src;
- dst->verifyctx_init = src->verifyctx_init;
- dst->verifyctx = src->verifyctx;
-
- dst->encrypt_init = src->encrypt_init;
- dst->encrypt = src->encrypt;
-
- dst->decrypt_init = src->decrypt_init;
- dst->decrypt = src->decrypt;
-
- dst->derive_init = src->derive_init;
- dst->derive = src->derive;
-
- dst->ctrl = src->ctrl;
- dst->ctrl_str = src->ctrl_str;
-
- dst->check = src->check;
+ /* We only copy the function pointers so restore the other values */
+ dst->pkey_id = pkey_id;
+ dst->flags = flags;
}
void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
{
EVP_PKEY_CTX *rctx;
- if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL))
- && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx)
- && pctx->op.kex.exchprovctx == NULL)
- || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)
- && pctx->op.sig.sigprovctx == NULL)))
- return NULL;
# ifndef OPENSSL_NO_ENGINE
/* Make sure it's safe to copy a pkey context using an ENGINE */
if (pctx->engine && !ENGINE_init(pctx->engine)) {
- EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
+ ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB);
return 0;
}
# endif
rctx = OPENSSL_zalloc(sizeof(*rctx));
if (rctx == NULL) {
- EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
return NULL;
}
rctx->operation = pctx->operation;
rctx->libctx = pctx->libctx;
rctx->keytype = pctx->keytype;
- rctx->propquery = pctx->propquery;
+ rctx->propquery = NULL;
+ if (pctx->propquery != NULL) {
+ rctx->propquery = OPENSSL_strdup(pctx->propquery);
+ if (rctx->propquery == NULL)
+ goto err;
+ }
+ rctx->legacy_keytype = pctx->legacy_keytype;
if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) {
if (pctx->op.kex.exchange != NULL) {
rctx->op.kex.exchange = pctx->op.kex.exchange;
- if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange)) {
- OPENSSL_free(rctx);
- return NULL;
- }
+ if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange))
+ goto err;
}
- if (pctx->op.kex.exchprovctx != NULL) {
+ if (pctx->op.kex.algctx != NULL) {
if (!ossl_assert(pctx->op.kex.exchange != NULL))
- return NULL;
- rctx->op.kex.exchprovctx
- = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx);
- if (rctx->op.kex.exchprovctx == NULL) {
+ goto err;
+ rctx->op.kex.algctx
+ = pctx->op.kex.exchange->dupctx(pctx->op.kex.algctx);
+ if (rctx->op.kex.algctx == NULL) {
EVP_KEYEXCH_free(rctx->op.kex.exchange);
- OPENSSL_free(rctx);
- return NULL;
+ goto err;
}
return rctx;
}
} else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) {
if (pctx->op.sig.signature != NULL) {
rctx->op.sig.signature = pctx->op.sig.signature;
- if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature)) {
- OPENSSL_free(rctx);
- return NULL;
- }
+ if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature))
+ goto err;
}
- if (pctx->op.sig.sigprovctx != NULL) {
+ if (pctx->op.sig.algctx != NULL) {
if (!ossl_assert(pctx->op.sig.signature != NULL))
- return NULL;
- rctx->op.sig.sigprovctx
- = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx);
- if (rctx->op.sig.sigprovctx == NULL) {
+ goto err;
+ rctx->op.sig.algctx
+ = pctx->op.sig.signature->dupctx(pctx->op.sig.algctx);
+ if (rctx->op.sig.algctx == NULL) {
EVP_SIGNATURE_free(rctx->op.sig.signature);
- OPENSSL_free(rctx);
- return NULL;
+ goto err;
}
return rctx;
}
} else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) {
if (pctx->op.ciph.cipher != NULL) {
rctx->op.ciph.cipher = pctx->op.ciph.cipher;
- if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher)) {
- OPENSSL_free(rctx);
- return NULL;
- }
+ if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher))
+ goto err;
}
- if (pctx->op.ciph.ciphprovctx != NULL) {
+ if (pctx->op.ciph.algctx != NULL) {
if (!ossl_assert(pctx->op.ciph.cipher != NULL))
- return NULL;
- rctx->op.ciph.ciphprovctx
- = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx);
- if (rctx->op.ciph.ciphprovctx == NULL) {
+ goto err;
+ rctx->op.ciph.algctx
+ = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.algctx);
+ if (rctx->op.ciph.algctx == NULL) {
EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher);
- OPENSSL_free(rctx);
- return NULL;
+ goto err;
+ }
+ return rctx;
+ }
+ } else if (EVP_PKEY_CTX_IS_KEM_OP(pctx)) {
+ if (pctx->op.encap.kem != NULL) {
+ rctx->op.encap.kem = pctx->op.encap.kem;
+ if (!EVP_KEM_up_ref(rctx->op.encap.kem))
+ goto err;
+ }
+ if (pctx->op.encap.algctx != NULL) {
+ if (!ossl_assert(pctx->op.encap.kem != NULL))
+ goto err;
+ rctx->op.encap.algctx
+ = pctx->op.encap.kem->dupctx(pctx->op.encap.algctx);
+ if (rctx->op.encap.algctx == NULL) {
+ EVP_KEM_free(rctx->op.encap.kem);
+ goto err;
}
return rctx;
}
+ } else if (EVP_PKEY_CTX_IS_GEN_OP(pctx)) {
+ /* Not supported - This would need a gen_dupctx() to work */
+ goto err;
}
rctx->pmeth = pctx->pmeth;
rctx->engine = pctx->engine;
# endif
- if (pctx->peerkey)
+ if (pctx->peerkey != NULL)
EVP_PKEY_up_ref(pctx->peerkey);
rctx->peerkey = pctx->peerkey;
- if (pctx->pmeth->copy(rctx, pctx) > 0)
+ if (pctx->pmeth == NULL) {
+ if (rctx->operation == EVP_PKEY_OP_UNDEFINED) {
+ EVP_KEYMGMT *tmp_keymgmt = pctx->keymgmt;
+ void *provkey;
+
+ provkey = evp_pkey_export_to_provider(pctx->pkey, pctx->libctx,
+ &tmp_keymgmt, pctx->propquery);
+ if (provkey == NULL)
+ goto err;
+ if (!EVP_KEYMGMT_up_ref(tmp_keymgmt))
+ goto err;
+ EVP_KEYMGMT_free(rctx->keymgmt);
+ rctx->keymgmt = tmp_keymgmt;
+ return rctx;
+ }
+ } else if (pctx->pmeth->copy(rctx, pctx) > 0) {
return rctx;
-
+ }
+err:
rctx->pmeth = NULL;
EVP_PKEY_CTX_free(rctx);
return NULL;
-
}
int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
if (app_pkey_methods == NULL) {
app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
if (app_pkey_methods == NULL){
- EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
- EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
return 0;
}
sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
}
#endif
-int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
+int EVP_PKEY_CTX_is_a(EVP_PKEY_CTX *ctx, const char *keytype)
{
- if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
- && ctx->op.kex.exchprovctx != NULL
+#ifndef FIPS_MODULE
+ if (evp_pkey_ctx_is_legacy(ctx))
+ return (ctx->pmeth->pkey_id == evp_pkey_name2type(keytype));
+#endif
+ return EVP_KEYMGMT_is_a(ctx->keymgmt, keytype);
+}
+
+int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, const OSSL_PARAM *params)
+{
+ switch (evp_pkey_ctx_state(ctx)) {
+ case EVP_PKEY_STATE_PROVIDER:
+ if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
&& ctx->op.kex.exchange != NULL
&& ctx->op.kex.exchange->set_ctx_params != NULL)
- return ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx,
- params);
- if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
- && ctx->op.sig.sigprovctx != NULL
+ return
+ ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.algctx,
+ params);
+ if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
&& ctx->op.sig.signature != NULL
&& ctx->op.sig.signature->set_ctx_params != NULL)
- return ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx,
- params);
- if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
- && ctx->op.ciph.ciphprovctx != NULL
+ return
+ ctx->op.sig.signature->set_ctx_params(ctx->op.sig.algctx,
+ params);
+ if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
&& ctx->op.ciph.cipher != NULL
&& ctx->op.ciph.cipher->set_ctx_params != NULL)
- return ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx,
- params);
- if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
- && ctx->op.keymgmt.genctx != NULL
- && ctx->keymgmt != NULL
- && ctx->keymgmt->gen_set_params != NULL)
- return evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx,
- params);
+ return
+ ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.algctx,
+ params);
+ if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
+ && ctx->keymgmt != NULL
+ && ctx->keymgmt->gen_set_params != NULL)
+ return
+ evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx,
+ params);
+ if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
+ && ctx->op.encap.kem != NULL
+ && ctx->op.encap.kem->set_ctx_params != NULL)
+ return
+ ctx->op.encap.kem->set_ctx_params(ctx->op.encap.algctx,
+ params);
+ break;
+#ifndef FIPS_MODULE
+ case EVP_PKEY_STATE_UNKNOWN:
+ case EVP_PKEY_STATE_LEGACY:
+ return evp_pkey_ctx_set_params_to_ctrl(ctx, params);
+#endif
+ }
return 0;
}
-#ifndef FIPS_MODE
int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
{
- if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
- && ctx->op.kex.exchprovctx != NULL
+ switch (evp_pkey_ctx_state(ctx)) {
+ case EVP_PKEY_STATE_PROVIDER:
+ if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
&& ctx->op.kex.exchange != NULL
&& ctx->op.kex.exchange->get_ctx_params != NULL)
- return ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx,
- params);
- if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
- && ctx->op.sig.sigprovctx != NULL
+ return
+ ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.algctx,
+ params);
+ if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
&& ctx->op.sig.signature != NULL
&& ctx->op.sig.signature->get_ctx_params != NULL)
- return ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx,
- params);
- if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
- && ctx->op.ciph.ciphprovctx != NULL
+ return
+ ctx->op.sig.signature->get_ctx_params(ctx->op.sig.algctx,
+ params);
+ if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
&& ctx->op.ciph.cipher != NULL
&& ctx->op.ciph.cipher->get_ctx_params != NULL)
- return ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx,
- params);
- if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
- && ctx->op.keymgmt.genctx != NULL
- && ctx->keymgmt != NULL
- && ctx->keymgmt->gen_get_params != NULL)
- return evp_keymgmt_gen_get_params(ctx->keymgmt, ctx->op.keymgmt.genctx,
- params);
+ return
+ ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.algctx,
+ params);
+ if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
+ && ctx->op.encap.kem != NULL
+ && ctx->op.encap.kem->get_ctx_params != NULL)
+ return
+ ctx->op.encap.kem->get_ctx_params(ctx->op.encap.algctx,
+ params);
+ break;
+#ifndef FIPS_MODULE
+ case EVP_PKEY_STATE_UNKNOWN:
+ case EVP_PKEY_STATE_LEGACY:
+ return evp_pkey_ctx_get_params_to_ctrl(ctx, params);
+#endif
+ }
return 0;
}
-const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx)
+#ifndef FIPS_MODULE
+const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(const EVP_PKEY_CTX *ctx)
{
+ void *provctx;
+
if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
&& ctx->op.kex.exchange != NULL
- && ctx->op.kex.exchange->gettable_ctx_params != NULL)
- return ctx->op.kex.exchange->gettable_ctx_params();
+ && ctx->op.kex.exchange->gettable_ctx_params != NULL) {
+ provctx = ossl_provider_ctx(EVP_KEYEXCH_get0_provider(ctx->op.kex.exchange));
+ return ctx->op.kex.exchange->gettable_ctx_params(ctx->op.kex.algctx,
+ provctx);
+ }
if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
&& ctx->op.sig.signature != NULL
- && ctx->op.sig.signature->gettable_ctx_params != NULL)
- return ctx->op.sig.signature->gettable_ctx_params();
-
+ && ctx->op.sig.signature->gettable_ctx_params != NULL) {
+ provctx = ossl_provider_ctx(
+ EVP_SIGNATURE_get0_provider(ctx->op.sig.signature));
+ return ctx->op.sig.signature->gettable_ctx_params(ctx->op.sig.algctx,
+ provctx);
+ }
if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
&& ctx->op.ciph.cipher != NULL
- && ctx->op.ciph.cipher->gettable_ctx_params != NULL)
- return ctx->op.ciph.cipher->gettable_ctx_params();
-
+ && ctx->op.ciph.cipher->gettable_ctx_params != NULL) {
+ provctx = ossl_provider_ctx(
+ EVP_ASYM_CIPHER_get0_provider(ctx->op.ciph.cipher));
+ return ctx->op.ciph.cipher->gettable_ctx_params(ctx->op.ciph.algctx,
+ provctx);
+ }
+ if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
+ && ctx->op.encap.kem != NULL
+ && ctx->op.encap.kem->gettable_ctx_params != NULL) {
+ provctx = ossl_provider_ctx(EVP_KEM_get0_provider(ctx->op.encap.kem));
+ return ctx->op.encap.kem->gettable_ctx_params(ctx->op.encap.algctx,
+ provctx);
+ }
return NULL;
}
-const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
+const OSSL_PARAM *EVP_PKEY_CTX_settable_params(const EVP_PKEY_CTX *ctx)
{
+ void *provctx;
+
if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
&& ctx->op.kex.exchange != NULL
- && ctx->op.kex.exchange->settable_ctx_params != NULL)
- return ctx->op.kex.exchange->settable_ctx_params();
+ && ctx->op.kex.exchange->settable_ctx_params != NULL) {
+ provctx = ossl_provider_ctx(EVP_KEYEXCH_get0_provider(ctx->op.kex.exchange));
+ return ctx->op.kex.exchange->settable_ctx_params(ctx->op.kex.algctx,
+ provctx);
+ }
if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
&& ctx->op.sig.signature != NULL
- && ctx->op.sig.signature->settable_ctx_params != NULL)
- return ctx->op.sig.signature->settable_ctx_params();
+ && ctx->op.sig.signature->settable_ctx_params != NULL) {
+ provctx = ossl_provider_ctx(
+ EVP_SIGNATURE_get0_provider(ctx->op.sig.signature));
+ return ctx->op.sig.signature->settable_ctx_params(ctx->op.sig.algctx,
+ provctx);
+ }
if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
&& ctx->op.ciph.cipher != NULL
- && ctx->op.ciph.cipher->settable_ctx_params != NULL)
- return ctx->op.ciph.cipher->settable_ctx_params();
+ && ctx->op.ciph.cipher->settable_ctx_params != NULL) {
+ provctx = ossl_provider_ctx(
+ EVP_ASYM_CIPHER_get0_provider(ctx->op.ciph.cipher));
+ return ctx->op.ciph.cipher->settable_ctx_params(ctx->op.ciph.algctx,
+ provctx);
+ }
if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
&& ctx->keymgmt != NULL
- && ctx->keymgmt->gen_settable_params != NULL)
- return evp_keymgmt_gen_settable_params(ctx->keymgmt);
-
+ && ctx->keymgmt->gen_settable_params != NULL) {
+ provctx = ossl_provider_ctx(EVP_KEYMGMT_get0_provider(ctx->keymgmt));
+ return ctx->keymgmt->gen_settable_params(ctx->op.keymgmt.genctx,
+ provctx);
+ }
+ if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
+ && ctx->op.encap.kem != NULL
+ && ctx->op.encap.kem->settable_ctx_params != NULL) {
+ provctx = ossl_provider_ctx(EVP_KEM_get0_provider(ctx->op.encap.kem));
+ return ctx->op.encap.kem->settable_ctx_params(ctx->op.encap.algctx,
+ provctx);
+ }
return NULL;
}
*
* In particular they return -2 if any of the params is not supported.
*
- * They are not available in FIPS_MODE as they depend on
+ * They are not available in FIPS_MODULE as they depend on
* - EVP_PKEY_CTX_{get,set}_params()
* - EVP_PKEY_CTX_{gettable,settable}_params()
*
*/
int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
{
- const OSSL_PARAM *p;
-
if (ctx == NULL || params == NULL)
return 0;
- for (p = params; p->key != NULL; p++) {
- /* Check the ctx actually understands this parameter */
- if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx),
- p->key) == NULL )
- return -2;
+ /*
+ * We only check for provider side EVP_PKEY_CTX. For #legacy, we
+ * depend on the translation that happens in EVP_PKEY_CTX_set_params()
+ * call, and that the resulting ctrl call will return -2 if it doesn't
+ * known the ctrl command number.
+ */
+ if (evp_pkey_ctx_is_provided(ctx)) {
+ const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
+ const OSSL_PARAM *p;
+
+ for (p = params; p->key != NULL; p++) {
+ /* Check the ctx actually understands this parameter */
+ if (OSSL_PARAM_locate_const(settable, p->key) == NULL )
+ return -2;
+ }
}
return EVP_PKEY_CTX_set_params(ctx, params);
int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
{
- const OSSL_PARAM *p;
-
if (ctx == NULL || params == NULL)
return 0;
- for (p = params; p->key != NULL; p++ ) {
- /* Check the ctx actually understands this parameter */
- if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx),
- p->key) == NULL )
- return -2;
- }
-
- return EVP_PKEY_CTX_get_params(ctx, params);
-}
-
-# ifndef OPENSSL_NO_DH
-int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad)
-{
- OSSL_PARAM dh_pad_params[2];
- unsigned int upad = pad;
+ /*
+ * We only check for provider side EVP_PKEY_CTX. For #legacy, we
+ * depend on the translation that happens in EVP_PKEY_CTX_get_params()
+ * call, and that the resulting ctrl call will return -2 if it doesn't
+ * known the ctrl command number.
+ */
+ if (evp_pkey_ctx_is_provided(ctx)) {
+ const OSSL_PARAM *gettable = EVP_PKEY_CTX_gettable_params(ctx);
+ const OSSL_PARAM *p;
- /* We use EVP_PKEY_CTX_ctrl return values */
- if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
- ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
- return -2;
+ for (p = params; p->key != NULL; p++ ) {
+ /* Check the ctx actually understands this parameter */
+ if (OSSL_PARAM_locate_const(gettable, p->key) == NULL )
+ return -2;
+ }
}
- /* TODO(3.0): Remove this eventually when no more legacy */
- if (ctx->op.kex.exchprovctx == NULL)
- return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE,
- EVP_PKEY_CTRL_DH_PAD, pad, NULL);
-
- dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad);
- dh_pad_params[1] = OSSL_PARAM_construct_end();
-
- return EVP_PKEY_CTX_set_params(ctx, dh_pad_params);
+ return EVP_PKEY_CTX_get_params(ctx, params);
}
-# endif
int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
{
- OSSL_PARAM sig_md_params[3], *p = sig_md_params;
+ OSSL_PARAM sig_md_params[2], *p = sig_md_params;
/* 80 should be big enough */
char name[80] = "";
const EVP_MD *tmp;
return -2;
}
- /* TODO(3.0): Remove this eventually when no more legacy */
- if (ctx->op.sig.sigprovctx == NULL)
+ if (ctx->op.sig.algctx == NULL)
return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
EVP_PKEY_CTRL_GET_MD, 0, (void *)(md));
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
name,
sizeof(name));
- *p++ = OSSL_PARAM_construct_end();
+ *p = OSSL_PARAM_construct_end();
if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
return 0;
return 1;
}
-int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
+static int evp_pkey_ctx_set_md(EVP_PKEY_CTX *ctx, const EVP_MD *md,
+ int fallback, const char *param, int op,
+ int ctrl)
{
- OSSL_PARAM sig_md_params[2], *p = sig_md_params;
+ OSSL_PARAM md_params[2], *p = md_params;
const char *name;
- if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
+ if (ctx == NULL || (ctx->operation & op) == 0) {
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
/* Uses the same return values as EVP_PKEY_CTX_ctrl */
return -2;
}
- /* TODO(3.0): Remove this eventually when no more legacy */
- if (ctx->op.sig.sigprovctx == NULL)
- return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
- EVP_PKEY_CTRL_MD, 0, (void *)(md));
+ if (fallback)
+ return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, 0, (void *)(md));
if (md == NULL) {
name = "";
} else {
- name = EVP_MD_name(md);
+ name = EVP_MD_get0_name(md);
}
- *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
+ *p++ = OSSL_PARAM_construct_utf8_string(param,
/*
* Cast away the const. This is read
* only so should be safe
*/
(char *)name, 0);
- *p++ = OSSL_PARAM_construct_end();
+ *p = OSSL_PARAM_construct_end();
- return EVP_PKEY_CTX_set_params(ctx, sig_md_params);
+ return EVP_PKEY_CTX_set_params(ctx, md_params);
}
-static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype,
- int cmd, int p1, void *p2)
+int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
{
- /*
- * GOST CMS format is different for different cipher algorithms.
- * Most of other algorithms don't have such a difference
- * so this ctrl is just ignored.
- */
- if (cmd == EVP_PKEY_CTRL_CIPHER)
+ return evp_pkey_ctx_set_md(ctx, md, ctx->op.sig.algctx == NULL,
+ OSSL_SIGNATURE_PARAM_DIGEST,
+ EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD);
+}
+
+int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
+{
+ return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.algctx == NULL,
+ OSSL_KDF_PARAM_DIGEST,
+ EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_TLS_MD);
+}
+
+static int evp_pkey_ctx_set1_octet_string(EVP_PKEY_CTX *ctx, int fallback,
+ const char *param, int op, int ctrl,
+ const unsigned char *data,
+ int datalen)
+{
+ OSSL_PARAM octet_string_params[2], *p = octet_string_params;
+
+ if (ctx == NULL || (ctx->operation & op) == 0) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
return -2;
+ }
-# ifndef OPENSSL_NO_DH
- if (keytype == EVP_PKEY_DH) {
- switch (cmd) {
- case EVP_PKEY_CTRL_DH_PAD:
- return EVP_PKEY_CTX_set_dh_pad(ctx, p1);
- case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN:
- return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, p1);
- case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN:
- return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, p1);
- case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR:
- return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, p1);
- case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE:
- return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, p1);
- case EVP_PKEY_CTRL_DH_RFC5114:
- return EVP_PKEY_CTX_set_dh_rfc5114(ctx, p1);
- }
+ /* Code below to be removed when legacy support is dropped. */
+ if (fallback)
+ return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, datalen, (void *)(data));
+ /* end of legacy support */
+
+ if (datalen < 0) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_LENGTH);
+ return 0;
}
-# endif
-# ifndef OPENSSL_NO_DSA
- if (keytype == EVP_PKEY_DSA) {
- switch (cmd) {
- case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS:
- return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, p1);
- case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS:
- return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, p1);
- case EVP_PKEY_CTRL_DSA_PARAMGEN_MD:
- return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, p2);
- }
+
+ *p++ = OSSL_PARAM_construct_octet_string(param,
+ /*
+ * Cast away the const. This is read
+ * only so should be safe
+ */
+ (unsigned char *)data,
+ (size_t)datalen);
+ *p = OSSL_PARAM_construct_end();
+
+ return EVP_PKEY_CTX_set_params(ctx, octet_string_params);
+}
+
+int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX *ctx,
+ const unsigned char *sec, int seclen)
+{
+ return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.algctx == NULL,
+ OSSL_KDF_PARAM_SECRET,
+ EVP_PKEY_OP_DERIVE,
+ EVP_PKEY_CTRL_TLS_SECRET,
+ sec, seclen);
+}
+
+int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *ctx,
+ const unsigned char *seed, int seedlen)
+{
+ return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.algctx == NULL,
+ OSSL_KDF_PARAM_SEED,
+ EVP_PKEY_OP_DERIVE,
+ EVP_PKEY_CTRL_TLS_SEED,
+ seed, seedlen);
+}
+
+int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
+{
+ return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.algctx == NULL,
+ OSSL_KDF_PARAM_DIGEST,
+ EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_HKDF_MD);
+}
+
+int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX *ctx,
+ const unsigned char *salt, int saltlen)
+{
+ return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.algctx == NULL,
+ OSSL_KDF_PARAM_SALT,
+ EVP_PKEY_OP_DERIVE,
+ EVP_PKEY_CTRL_HKDF_SALT,
+ salt, saltlen);
+}
+
+int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX *ctx,
+ const unsigned char *key, int keylen)
+{
+ return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.algctx == NULL,
+ OSSL_KDF_PARAM_KEY,
+ EVP_PKEY_OP_DERIVE,
+ EVP_PKEY_CTRL_HKDF_KEY,
+ key, keylen);
+}
+
+int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX *ctx,
+ const unsigned char *info, int infolen)
+{
+ return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.algctx == NULL,
+ OSSL_KDF_PARAM_INFO,
+ EVP_PKEY_OP_DERIVE,
+ EVP_PKEY_CTRL_HKDF_INFO,
+ info, infolen);
+}
+
+int EVP_PKEY_CTX_set_hkdf_mode(EVP_PKEY_CTX *ctx, int mode)
+{
+ OSSL_PARAM int_params[2], *p = int_params;
+
+ if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
}
-# endif
-# ifndef OPENSSL_NO_EC
- if (keytype == EVP_PKEY_EC) {
- switch (cmd) {
- case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID:
- return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, p1);
- case EVP_PKEY_CTRL_EC_ECDH_COFACTOR:
- if (p1 == -2) {
- return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx);
- } else if (p1 < -1 || p1 > 1) {
- /* Uses the same return values as EVP_PKEY_CTX_ctrl */
- return -2;
- } else {
- return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, p1);
- }
- case EVP_PKEY_CTRL_EC_KDF_TYPE:
- if (p1 == -2) {
- return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx);
- } else {
- return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, p1);
- }
- case EVP_PKEY_CTRL_GET_EC_KDF_MD:
- return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, p2);
- case EVP_PKEY_CTRL_EC_KDF_MD:
- return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, p2);
- case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN:
- return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, p2);
- case EVP_PKEY_CTRL_EC_KDF_OUTLEN:
- return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, p1);
- case EVP_PKEY_CTRL_GET_EC_KDF_UKM:
- return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p2);
- case EVP_PKEY_CTRL_EC_KDF_UKM:
- return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p2, p1);
- }
+
+ /* Code below to be removed when legacy support is dropped. */
+ if (ctx->op.kex.algctx == NULL)
+ return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_DERIVE,
+ EVP_PKEY_CTRL_HKDF_MODE, mode, NULL);
+ /* end of legacy support */
+
+ if (mode < 0) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE);
+ return 0;
}
-# endif
- if (keytype == EVP_PKEY_RSA) {
- switch (cmd) {
- case EVP_PKEY_CTRL_RSA_OAEP_MD:
- return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
- case EVP_PKEY_CTRL_GET_RSA_OAEP_MD:
- return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
- case EVP_PKEY_CTRL_RSA_MGF1_MD:
- return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
- case EVP_PKEY_CTRL_RSA_OAEP_LABEL:
- return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, p2, p1);
- case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL:
- return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, (unsigned char **)p2);
- case EVP_PKEY_CTRL_RSA_KEYGEN_BITS:
- return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, p1);
- case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP:
- return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, p2);
- case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES:
- return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, p1);
- }
+
+ *p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE, &mode);
+ *p = OSSL_PARAM_construct_end();
+
+ return EVP_PKEY_CTX_set_params(ctx, int_params);
+}
+
+int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX *ctx, const char *pass,
+ int passlen)
+{
+ return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.algctx == NULL,
+ OSSL_KDF_PARAM_PASSWORD,
+ EVP_PKEY_OP_DERIVE,
+ EVP_PKEY_CTRL_PASS,
+ (const unsigned char *)pass, passlen);
+}
+
+int EVP_PKEY_CTX_set1_scrypt_salt(EVP_PKEY_CTX *ctx,
+ const unsigned char *salt, int saltlen)
+{
+ return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.algctx == NULL,
+ OSSL_KDF_PARAM_SALT,
+ EVP_PKEY_OP_DERIVE,
+ EVP_PKEY_CTRL_SCRYPT_SALT,
+ salt, saltlen);
+}
+
+static int evp_pkey_ctx_set_uint64(EVP_PKEY_CTX *ctx, const char *param,
+ int op, int ctrl, uint64_t val)
+{
+ OSSL_PARAM uint64_params[2], *p = uint64_params;
+
+ if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
}
- /*
- * keytype == -1 is used when several key types share the same structure,
- * or for generic controls that are the same across multiple key types.
- */
- if (keytype == -1) {
- switch (cmd) {
- case EVP_PKEY_CTRL_MD:
- return EVP_PKEY_CTX_set_signature_md(ctx, p2);
- case EVP_PKEY_CTRL_GET_MD:
- return EVP_PKEY_CTX_get_signature_md(ctx, p2);
- case EVP_PKEY_CTRL_RSA_PADDING:
- return EVP_PKEY_CTX_set_rsa_padding(ctx, p1);
- case EVP_PKEY_CTRL_GET_RSA_PADDING:
- return EVP_PKEY_CTX_get_rsa_padding(ctx, p2);
- case EVP_PKEY_CTRL_GET_RSA_MGF1_MD:
- return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
- case EVP_PKEY_CTRL_RSA_PSS_SALTLEN:
- return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, p1);
- case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN:
- return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, p2);
- case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
- case EVP_PKEY_CTRL_PKCS7_DECRYPT:
-# ifndef OPENSSL_NO_CMS
- case EVP_PKEY_CTRL_CMS_DECRYPT:
- case EVP_PKEY_CTRL_CMS_ENCRYPT:
-# endif
- /* TODO (3.0) Temporary hack, this should probe */
- if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx), "RSASSA-PSS"))
- return 1;
- ERR_raise(ERR_LIB_EVP,
- EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
- }
+
+ /* Code below to be removed when legacy support is dropped. */
+ if (ctx->op.kex.algctx == NULL)
+ return EVP_PKEY_CTX_ctrl_uint64(ctx, -1, op, ctrl, val);
+ /* end of legacy support */
+
+ *p++ = OSSL_PARAM_construct_uint64(param, &val);
+ *p = OSSL_PARAM_construct_end();
+
+ return EVP_PKEY_CTX_set_params(ctx, uint64_params);
+}
+
+int EVP_PKEY_CTX_set_scrypt_N(EVP_PKEY_CTX *ctx, uint64_t n)
+{
+ return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_N,
+ EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_N,
+ n);
+}
+
+int EVP_PKEY_CTX_set_scrypt_r(EVP_PKEY_CTX *ctx, uint64_t r)
+{
+ return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_R,
+ EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_R,
+ r);
+}
+
+int EVP_PKEY_CTX_set_scrypt_p(EVP_PKEY_CTX *ctx, uint64_t p)
+{
+ return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_P,
+ EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_P,
+ p);
+}
+
+int EVP_PKEY_CTX_set_scrypt_maxmem_bytes(EVP_PKEY_CTX *ctx,
+ uint64_t maxmem_bytes)
+{
+ return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_MAXMEM,
+ EVP_PKEY_OP_DERIVE,
+ EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES,
+ maxmem_bytes);
+}
+
+int EVP_PKEY_CTX_set_mac_key(EVP_PKEY_CTX *ctx, const unsigned char *key,
+ int keylen)
+{
+ return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.keymgmt.genctx == NULL,
+ OSSL_PKEY_PARAM_PRIV_KEY,
+ EVP_PKEY_OP_KEYGEN,
+ EVP_PKEY_CTRL_SET_MAC_KEY,
+ key, keylen);
+}
+
+int EVP_PKEY_CTX_set_kem_op(EVP_PKEY_CTX *ctx, const char *op)
+{
+ OSSL_PARAM params[2], *p = params;
+
+ if (ctx == NULL || op == NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE);
+ return 0;
}
- return 0;
+ if (!EVP_PKEY_CTX_IS_KEM_OP(ctx)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ return -2;
+ }
+ *p++ = OSSL_PARAM_construct_utf8_string(OSSL_KEM_PARAM_OPERATION,
+ (char *)op, 0);
+ *p = OSSL_PARAM_construct_end();
+ return EVP_PKEY_CTX_set_params(ctx, params);
}
-int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
- int cmd, int p1, void *p2)
+int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len)
{
+ OSSL_PARAM params[2], *p = params;
int ret;
- if (ctx == NULL) {
- EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
+ if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
return -2;
}
- if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
- || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
- && ctx->op.sig.sigprovctx != NULL)
- || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
- && ctx->op.ciph.ciphprovctx != NULL)
- || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
- && ctx->op.keymgmt.genctx != NULL))
- return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
-
- if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
- EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
+ *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_DIST_ID,
+ /*
+ * Cast away the const. This is
+ * read only so should be safe
+ */
+ (void *)id, (size_t)len);
+ *p++ = OSSL_PARAM_construct_end();
+
+ ret = evp_pkey_ctx_set_params_strict(ctx, params);
+ if (ret == -2)
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ return ret;
+}
+
+int EVP_PKEY_CTX_set1_id(EVP_PKEY_CTX *ctx, const void *id, int len)
+{
+ return EVP_PKEY_CTX_ctrl(ctx, -1, -1,
+ EVP_PKEY_CTRL_SET1_ID, (int)len, (void*)(id));
+}
+
+static int get1_id_data(EVP_PKEY_CTX *ctx, void *id, size_t *id_len)
+{
+ int ret;
+ void *tmp_id = NULL;
+ OSSL_PARAM params[2], *p = params;
+
+ if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
return -2;
}
- if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
- return -1;
- /* Skip the operation checks since this is called in a very early stage */
- if (ctx->pmeth->digest_custom != NULL)
- goto doit;
+ *p++ = OSSL_PARAM_construct_octet_ptr(OSSL_PKEY_PARAM_DIST_ID,
+ &tmp_id, 0);
+ *p++ = OSSL_PARAM_construct_end();
- if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
- EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
- return -1;
+ ret = evp_pkey_ctx_get_params_strict(ctx, params);
+ if (ret == -2) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ } else if (ret > 0) {
+ size_t tmp_id_len = params[0].return_size;
+
+ if (id != NULL)
+ memcpy(id, tmp_id, tmp_id_len);
+ if (id_len != NULL)
+ *id_len = tmp_id_len;
}
+ return ret;
+}
- if ((optype != -1) && !(ctx->operation & optype)) {
- EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
- return -1;
+int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id)
+{
+ return get1_id_data(ctx, id, NULL);
+}
+
+int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len)
+{
+ return get1_id_data(ctx, NULL, id_len);
+}
+
+int EVP_PKEY_CTX_get1_id(EVP_PKEY_CTX *ctx, void *id)
+{
+ return EVP_PKEY_CTX_ctrl(ctx, -1, -1, EVP_PKEY_CTRL_GET1_ID, 0, (void*)id);
+}
+
+int EVP_PKEY_CTX_get1_id_len(EVP_PKEY_CTX *ctx, size_t *id_len)
+{
+ return EVP_PKEY_CTX_ctrl(ctx, -1, -1,
+ EVP_PKEY_CTRL_GET1_ID_LEN, 0, (void*)id_len);
+}
+
+static int evp_pkey_ctx_ctrl_int(EVP_PKEY_CTX *ctx, int keytype, int optype,
+ int cmd, int p1, void *p2)
+{
+ int ret = 0;
+
+ /*
+ * If the method has a |digest_custom| function, we can relax the
+ * operation type check, since this can be called before the operation
+ * is initialized.
+ */
+ if (ctx->pmeth == NULL || ctx->pmeth->digest_custom == NULL) {
+ if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_NO_OPERATION_SET);
+ return -1;
+ }
+
+ if ((optype != -1) && !(ctx->operation & optype)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
+ return -1;
+ }
}
- doit:
- ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
+ switch (evp_pkey_ctx_state(ctx)) {
+ case EVP_PKEY_STATE_PROVIDER:
+ return evp_pkey_ctx_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
+ case EVP_PKEY_STATE_UNKNOWN:
+ case EVP_PKEY_STATE_LEGACY:
+ if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ return -2;
+ }
+ if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
+ return -1;
- if (ret == -2)
- EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
+ ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
+ if (ret == -2)
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ break;
+ }
return ret;
}
+int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
+ int cmd, int p1, void *p2)
+{
+ int ret = 0;
+
+ if (ctx == NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ return -2;
+ }
+ /* If unsupported, we don't want that reported here */
+ ERR_set_mark();
+ ret = evp_pkey_ctx_store_cached_data(ctx, keytype, optype,
+ cmd, NULL, p2, p1);
+ if (ret == -2) {
+ ERR_pop_to_mark();
+ } else {
+ ERR_clear_last_mark();
+ /*
+ * If there was an error, there was an error.
+ * If the operation isn't initialized yet, we also return, as
+ * the saved values will be used then anyway.
+ */
+ if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED)
+ return ret;
+ }
+ return evp_pkey_ctx_ctrl_int(ctx, keytype, optype, cmd, p1, p2);
+}
+
int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
int cmd, uint64_t value)
{
return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
}
-static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
- const char *value)
+
+static int evp_pkey_ctx_ctrl_str_int(EVP_PKEY_CTX *ctx,
+ const char *name, const char *value)
{
+ int ret = 0;
- /* Special cases that we intercept */
-# ifndef OPENSSL_NO_EC
- /*
- * We don't support encoding settings for providers, i.e. the only
- * possible encoding is "named_curve", so we simply fail when something
- * else is given, and otherwise just pretend all is fine.
- */
- if (strcmp(name, "ec_param_enc") == 0) {
- if (strcmp(value, "named_curve") == 0) {
- return 1;
- } else {
+ if (ctx == NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ return -2;
+ }
+
+ switch (evp_pkey_ctx_state(ctx)) {
+ case EVP_PKEY_STATE_PROVIDER:
+ return evp_pkey_ctx_ctrl_str_to_param(ctx, name, value);
+ case EVP_PKEY_STATE_UNKNOWN:
+ case EVP_PKEY_STATE_LEGACY:
+ if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->ctrl_str == NULL) {
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
return -2;
}
+ if (strcmp(name, "digest") == 0)
+ ret = EVP_PKEY_CTX_md(ctx,
+ EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT,
+ EVP_PKEY_CTRL_MD, value);
+ else
+ ret = ctx->pmeth->ctrl_str(ctx, name, value);
+ break;
}
-# endif
- if (strcmp(name, "rsa_padding_mode") == 0)
- name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE;
- else if (strcmp(name, "rsa_mgf1_md") == 0)
- name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST;
- else if (strcmp(name, "rsa_oaep_md") == 0)
- name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST;
- else if (strcmp(name, "rsa_oaep_label") == 0)
- name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL;
- else if (strcmp(name, "rsa_pss_saltlen") == 0)
- name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN;
- else if (strcmp(name, "rsa_keygen_bits") == 0)
- name = OSSL_PKEY_PARAM_RSA_BITS;
- else if (strcmp(name, "rsa_keygen_pubexp") == 0)
- name = OSSL_PKEY_PARAM_RSA_E;
- else if (strcmp(name, "rsa_keygen_primes") == 0)
- name = OSSL_PKEY_PARAM_RSA_PRIMES;
-# ifndef OPENSSL_NO_DSA
- else if (strcmp(name, "dsa_paramgen_bits") == 0)
- name = OSSL_PKEY_PARAM_FFC_PBITS;
- else if (strcmp(name, "dsa_paramgen_q_bits") == 0)
- name = OSSL_PKEY_PARAM_FFC_QBITS;
- else if (strcmp(name, "dsa_paramgen_md") == 0)
- name = OSSL_PKEY_PARAM_FFC_DIGEST;
-# endif
-# ifndef OPENSSL_NO_DH
- else if (strcmp(name, "dh_paramgen_generator") == 0)
- name = OSSL_PKEY_PARAM_FFC_GENERATOR;
- else if (strcmp(name, "dh_paramgen_prime_len") == 0)
- name = OSSL_PKEY_PARAM_FFC_PBITS;
- else if (strcmp(name, "dh_paramgen_subprime_len") == 0)
- name = OSSL_PKEY_PARAM_FFC_QBITS;
- else if (strcmp(name, "dh_paramgen_type") == 0) {
- name = OSSL_PKEY_PARAM_FFC_TYPE;
- value = dh_gen_type_id2name(atoi(value));
- } else if (strcmp(name, "dh_param") == 0)
- name = OSSL_PKEY_PARAM_FFC_GROUP;
- else if (strcmp(name, "dh_rfc5114") == 0) {
- name = OSSL_PKEY_PARAM_FFC_GROUP;
- value = ffc_named_group_from_uid(atoi(value));
- } else if (strcmp(name, "dh_pad") == 0)
- name = OSSL_EXCHANGE_PARAM_PAD;
-# endif
-# ifndef OPENSSL_NO_EC
- else if (strcmp(name, "ec_paramgen_curve") == 0)
- name = OSSL_PKEY_PARAM_EC_NAME;
- else if (strcmp(name, "ecdh_cofactor_mode") == 0)
- name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE;
- else if (strcmp(name, "ecdh_kdf_md") == 0)
- name = OSSL_EXCHANGE_PARAM_KDF_DIGEST;
-# endif
+ return ret;
+}
+
+int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
+ const char *name, const char *value)
+{
+ int ret = 0;
- {
+ /* If unsupported, we don't want that reported here */
+ ERR_set_mark();
+ ret = evp_pkey_ctx_store_cached_data(ctx, -1, -1, -1,
+ name, value, strlen(value) + 1);
+ if (ret == -2) {
+ ERR_pop_to_mark();
+ } else {
+ ERR_clear_last_mark();
/*
- * TODO(3.0) reduce the code above to only translate known legacy
- * string to the corresponding core name (see core_names.h), but
- * otherwise leave it to this code block to do the actual work.
+ * If there was an error, there was an error.
+ * If the operation isn't initialized yet, we also return, as
+ * the saved values will be used then anyway.
*/
- const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
- OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
- int rv = 0;
- int exists = 0;
+ if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED)
+ return ret;
+ }
+
+ return evp_pkey_ctx_ctrl_str_int(ctx, name, value);
+}
+
+static int decode_cmd(int cmd, const char *name)
+{
+ if (cmd == -1) {
+ /*
+ * The consequence of the assertion not being true is that this
+ * function will return -1, which will cause the calling functions
+ * to signal that the command is unsupported... in non-debug mode.
+ */
+ if (ossl_assert(name != NULL))
+ if (strcmp(name, "distid") == 0 || strcmp(name, "hexdistid") == 0)
+ cmd = EVP_PKEY_CTRL_SET1_ID;
+ }
+
+ return cmd;
+}
+
+static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX *ctx,
+ int keytype, int optype,
+ int cmd, const char *name,
+ const void *data, size_t data_len)
+{
+ /*
+ * Check that it's one of the supported commands. The ctrl commands
+ * number cases here must correspond to the cases in the bottom switch
+ * in this function.
+ */
+ switch (cmd = decode_cmd(cmd, name)) {
+ case EVP_PKEY_CTRL_SET1_ID:
+ break;
+ default:
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ return -2;
+ }
- if (!OSSL_PARAM_allocate_from_text(¶ms[0], settable, name, value,
- strlen(value), &exists)) {
- if (!exists) {
+ if (keytype != -1) {
+ switch (evp_pkey_ctx_state(ctx)) {
+ case EVP_PKEY_STATE_PROVIDER:
+ if (ctx->keymgmt == NULL) {
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
return -2;
}
- return 0;
+ if (!EVP_KEYMGMT_is_a(ctx->keymgmt,
+ evp_pkey_type2name(keytype))) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
+ return -1;
+ }
+ break;
+ case EVP_PKEY_STATE_UNKNOWN:
+ case EVP_PKEY_STATE_LEGACY:
+ if (ctx->pmeth == NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ return -2;
+ }
+ if (EVP_PKEY_type(ctx->pmeth->pkey_id) != EVP_PKEY_type(keytype)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
+ return -1;
+ }
+ break;
}
- if (EVP_PKEY_CTX_set_params(ctx, params))
- rv = 1;
- OPENSSL_free(params[0].data);
- return rv;
}
+ if (optype != -1 && (ctx->operation & optype) == 0) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
+ return -1;
+ }
+
+ switch (cmd) {
+ case EVP_PKEY_CTRL_SET1_ID:
+ evp_pkey_ctx_free_cached_data(ctx, cmd, name);
+ if (name != NULL) {
+ ctx->cached_parameters.dist_id_name = OPENSSL_strdup(name);
+ if (ctx->cached_parameters.dist_id_name == NULL) {
+ ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ }
+ if (data_len > 0) {
+ ctx->cached_parameters.dist_id = OPENSSL_memdup(data, data_len);
+ if (ctx->cached_parameters.dist_id == NULL) {
+ ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ }
+ ctx->cached_parameters.dist_id_set = 1;
+ ctx->cached_parameters.dist_id_len = data_len;
+ break;
+ }
+ return 1;
}
-int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
- const char *name, const char *value)
+static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX *ctx,
+ int cmd, const char *name)
{
- if (ctx == NULL) {
- EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
- return -2;
+ cmd = decode_cmd(cmd, name);
+ switch (cmd) {
+ case EVP_PKEY_CTRL_SET1_ID:
+ OPENSSL_free(ctx->cached_parameters.dist_id);
+ OPENSSL_free(ctx->cached_parameters.dist_id_name);
+ ctx->cached_parameters.dist_id = NULL;
+ ctx->cached_parameters.dist_id_name = NULL;
+ break;
}
+}
- if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
- || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
- && ctx->op.sig.sigprovctx != NULL)
- || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
- && ctx->op.ciph.ciphprovctx != NULL)
- || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
- && ctx->op.keymgmt.genctx != NULL))
- return legacy_ctrl_str_to_param(ctx, name, value);
-
- if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
- EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
- return -2;
+static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX *ctx)
+{
+ evp_pkey_ctx_free_cached_data(ctx, EVP_PKEY_CTRL_SET1_ID, NULL);
+}
+
+int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx)
+{
+ int ret = 1;
+
+ if (ret && ctx->cached_parameters.dist_id_set) {
+ const char *name = ctx->cached_parameters.dist_id_name;
+ const void *val = ctx->cached_parameters.dist_id;
+ size_t len = ctx->cached_parameters.dist_id_len;
+
+ if (name != NULL)
+ ret = evp_pkey_ctx_ctrl_str_int(ctx, name, val);
+ else
+ ret = evp_pkey_ctx_ctrl_int(ctx, -1, ctx->operation,
+ EVP_PKEY_CTRL_SET1_ID,
+ (int)len, (void *)val);
}
- if (strcmp(name, "digest") == 0)
- return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
- value);
- return ctx->pmeth->ctrl_str(ctx, name, value);
+
+ return ret;
+}
+
+OSSL_LIB_CTX *EVP_PKEY_CTX_get0_libctx(EVP_PKEY_CTX *ctx)
+{
+ return ctx->libctx;
+}
+
+const char *EVP_PKEY_CTX_get0_propq(EVP_PKEY_CTX *ctx)
+{
+ return ctx->propquery;
}
/* Utility functions to send a string of hex string to a ctrl */
const EVP_MD *m;
if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
- EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
+ ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_DIGEST);
return 0;
}
return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
*pdigest_custom = pmeth->digest_custom;
}
-#endif /* FIPS_MODE */
+#endif /* FIPS_MODULE */
projects / openssl.git / blobdiff