*/
#include "internal/deprecated.h"
+#include "e_os.h" /* strcasecmp */
+#include <string.h>
#include <openssl/core_dispatch.h>
#include <openssl/core_names.h>
#include <openssl/bn.h>
return NULL;
}
-static ossl_inline
-int domparams_to_params(const EC_KEY *ec, OSSL_PARAM_BLD *tmpl,
- OSSL_PARAM params[])
-{
- const EC_GROUP *ecg;
- int curve_nid;
-
- if (ec == NULL)
- return 0;
-
- ecg = EC_KEY_get0_group(ec);
- if (ecg == NULL)
- return 0;
-
- curve_nid = EC_GROUP_get_curve_name(ecg);
-
- if (curve_nid == NID_undef) {
- /* TODO(3.0): should we support explicit parameters curves? */
- return 0;
- } else {
- /* named curve */
- const char *curve_name = NULL;
-
- if ((curve_name = ec_curve_nid2name(curve_nid)) == NULL)
- return 0;
- if (!ossl_param_build_set_utf8_string(tmpl, params,
- OSSL_PKEY_PARAM_GROUP_NAME,
- curve_name))
-
- return 0;
- }
-
- return 1;
-}
-
/*
* Callers of key_to_params MUST make sure that domparams_to_params is also
* called!
/*
* In this implementation, we can export/import only keydata in the
* following combinations:
- * - domain parameters only
+ * - domain parameters (+optional other params)
* - public key with associated domain parameters (+optional other params)
* - private key with associated public key and domain parameters
* (+optional other params)
* This means:
* - domain parameters must always be requested
* - private key must be requested alongside public key
- * - other parameters must be requested only alongside a key
+ * - other parameters are always optional
*/
if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) == 0)
return 0;
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0
&& (selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) == 0)
return 0;
- if ((selection & OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS) != 0
- && (selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
- return 0;
if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
- ok = ok && ec_key_domparams_fromdata(ec, params);
+ ok = ok && ec_group_fromdata(ec, params);
if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0) {
int include_private =
selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY ? 1 : 0;
void *cbarg)
{
EC_KEY *ec = keydata;
- OSSL_PARAM_BLD *tmpl;
+ OSSL_PARAM_BLD *tmpl = NULL;
OSSL_PARAM *params = NULL;
- unsigned char *pub_key = NULL;
+ unsigned char *pub_key = NULL, *genbuf = NULL;
+ BN_CTX *bnctx = NULL;
int ok = 1;
if (ec == NULL)
/*
* In this implementation, we can export/import only keydata in the
* following combinations:
- * - domain parameters only
+ * - domain parameters (+optional other params)
* - public key with associated domain parameters (+optional other params)
* - private key with associated public key and domain parameters
* (+optional other params)
* This means:
* - domain parameters must always be requested
* - private key must be requested alongside public key
- * - other parameters must be requested only alongside a key
+ * - other parameters are always optional
*/
if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) == 0)
return 0;
if (tmpl == NULL)
return 0;
- if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
- ok = ok && domparams_to_params(ec, tmpl, NULL);
+ if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0) {
+ bnctx = BN_CTX_new_ex(ec_key_get_libctx(ec));
+ if (bnctx == NULL) {
+ ok = 0;
+ goto end;
+ }
+ BN_CTX_start(bnctx);
+ ok = ok && ec_group_todata(EC_KEY_get0_group(ec), tmpl, NULL,
+ ec_key_get_libctx(ec), ec_key_get0_propq(ec),
+ bnctx, &genbuf);
+ }
if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0) {
int include_private =
if (ok && (params = OSSL_PARAM_BLD_to_param(tmpl)) != NULL)
ok = param_cb(params, cbarg);
-
+end:
OSSL_PARAM_BLD_free_params(params);
OSSL_PARAM_BLD_free(tmpl);
OPENSSL_free(pub_key);
+ OPENSSL_free(genbuf);
+ BN_CTX_end(bnctx);
+ BN_CTX_free(bnctx);
return ok;
}
/* IMEXPORT = IMPORT + EXPORT */
-# define EC_IMEXPORTABLE_DOM_PARAMETERS \
- OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_GROUP_NAME, NULL, 0)
-# define EC_IMEXPORTABLE_PUBLIC_KEY \
+# define EC_IMEXPORTABLE_DOM_PARAMETERS \
+ OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_GROUP_NAME, NULL, 0), \
+ OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_ENCODING, NULL, 0), \
+ OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_FIELD_TYPE, NULL, 0), \
+ OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_P, NULL, 0), \
+ OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_A, NULL, 0), \
+ OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_B, NULL, 0), \
+ OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_GENERATOR, NULL, 0), \
+ OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_ORDER, NULL, 0), \
+ OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_COFACTOR, NULL, 0), \
+ OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_SEED, NULL, 0)
+
+# define EC_IMEXPORTABLE_PUBLIC_KEY \
OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PUB_KEY, NULL, 0)
-# define EC_IMEXPORTABLE_PRIVATE_KEY \
+# define EC_IMEXPORTABLE_PRIVATE_KEY \
OSSL_PARAM_BN(OSSL_PKEY_PARAM_PRIV_KEY, NULL, 0)
-# define EC_IMEXPORTABLE_OTHER_PARAMETERS \
+# define EC_IMEXPORTABLE_OTHER_PARAMETERS \
OSSL_PARAM_int(OSSL_PKEY_PARAM_USE_COFACTOR_ECDH, NULL)
/*
return ec_imexport_types(selection);
}
+static int ec_get_ecm_params(const EC_GROUP *group, OSSL_PARAM params[])
+{
+#ifdef OPENSSL_NO_EC2M
+ return 1;
+#else
+ int ret = 0, m;
+ unsigned int k1 = 0, k2 = 0, k3 = 0;
+ int basis_nid;
+ const char *basis_name = NULL;
+ int fid = EC_GROUP_get_field_type(group);
+
+ if (fid != NID_X9_62_characteristic_two_field)
+ return 1;
+
+ basis_nid = EC_GROUP_get_basis_type(group);
+ if (basis_nid == NID_X9_62_tpBasis)
+ basis_name = SN_X9_62_tpBasis;
+ else if (basis_nid == NID_X9_62_ppBasis)
+ basis_name = SN_X9_62_ppBasis;
+ else
+ goto err;
+
+ m = EC_GROUP_get_degree(group);
+ if (!ossl_param_build_set_int(NULL, params, OSSL_PKEY_PARAM_EC_CHAR2_M, m)
+ || !ossl_param_build_set_utf8_string(NULL, params,
+ OSSL_PKEY_PARAM_EC_CHAR2_TYPE,
+ basis_name))
+ goto err;
+
+ if (basis_nid == NID_X9_62_tpBasis) {
+ if (!EC_GROUP_get_trinomial_basis(group, &k1)
+ || !ossl_param_build_set_int(NULL, params,
+ OSSL_PKEY_PARAM_EC_CHAR2_TP_BASIS,
+ (int)k1))
+ goto err;
+ } else {
+ if (!EC_GROUP_get_pentanomial_basis(group, &k1, &k2, &k3)
+ || !ossl_param_build_set_int(NULL, params,
+ OSSL_PKEY_PARAM_EC_CHAR2_PP_K1, (int)k1)
+ || !ossl_param_build_set_int(NULL, params,
+ OSSL_PKEY_PARAM_EC_CHAR2_PP_K2, (int)k2)
+ || !ossl_param_build_set_int(NULL, params,
+ OSSL_PKEY_PARAM_EC_CHAR2_PP_K3, (int)k3))
+ goto err;
+ }
+ ret = 1;
+err:
+ return ret;
+#endif /* OPENSSL_NO_EC2M */
+}
+
static
int ec_get_params(void *key, OSSL_PARAM params[])
{
- int ret;
+ int ret = 0;
EC_KEY *eck = key;
const EC_GROUP *ecg = NULL;
OSSL_PARAM *p;
- unsigned char *pub_key = NULL;
+ unsigned char *pub_key = NULL, *genbuf = NULL;
+ OPENSSL_CTX *libctx;
+ const char *propq;
+ BN_CTX *bnctx = NULL;
ecg = EC_KEY_get0_group(eck);
if (ecg == NULL)
return 0;
+ libctx = ec_key_get_libctx(eck);
+ propq = ec_key_get0_propq(eck);
+
+ bnctx = BN_CTX_new_ex(libctx);
+ if (bnctx == NULL)
+ return 0;
+ BN_CTX_start(bnctx);
+
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_MAX_SIZE)) != NULL
&& !OSSL_PARAM_set_int(p, ECDSA_size(eck)))
- return 0;
+ goto err;
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_BITS)) != NULL
&& !OSSL_PARAM_set_int(p, EC_GROUP_order_bits(ecg)))
- return 0;
+ goto err;
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_SECURITY_BITS)) != NULL) {
int ecbits, sec_bits;
sec_bits = ecbits / 2;
if (!OSSL_PARAM_set_int(p, sec_bits))
- return 0;
+ goto err;
}
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_DEFAULT_DIGEST)) != NULL
&& !OSSL_PARAM_set_utf8_string(p, EC_DEFAULT_MD))
- return 0;
+ goto err;
p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_USE_COFACTOR_ECDH);
if (p != NULL) {
(EC_KEY_get_flags(eck) & EC_FLAG_COFACTOR_ECDH) ? 1 : 0;
if (!OSSL_PARAM_set_int(p, ecdh_cofactor_mode))
- return 0;
+ goto err;
}
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_TLS_ENCODED_PT)) != NULL) {
- BN_CTX *ctx = BN_CTX_new_ex(ec_key_get_libctx(key));
-
- if (ctx == NULL)
- return 0;
p->return_size = EC_POINT_point2oct(EC_KEY_get0_group(key),
EC_KEY_get0_public_key(key),
POINT_CONVERSION_UNCOMPRESSED,
- p->data, p->return_size, ctx);
- BN_CTX_free(ctx);
+ p->data, p->return_size, bnctx);
if (p->return_size == 0)
- return 0;
+ goto err;
}
- ret = domparams_to_params(eck, NULL, params)
+ ret = ec_get_ecm_params(ecg, params)
+ && ec_group_todata(ecg, NULL, params, libctx, propq, bnctx, &genbuf)
&& key_to_params(eck, NULL, params, 1, &pub_key)
&& otherparams_to_params(eck, NULL, params);
+err:
+ OPENSSL_free(genbuf);
OPENSSL_free(pub_key);
+ BN_CTX_end(bnctx);
+ BN_CTX_free(bnctx);
return ret;
}
+#ifndef OPENSSL_NO_EC2M
+# define EC2M_GETTABLE_DOM_PARAMS \
+ OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_M, NULL), \
+ OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_CHAR2_TYPE, NULL, 0), \
+ OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_TP_BASIS, NULL), \
+ OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_PP_K1, NULL), \
+ OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_PP_K2, NULL), \
+ OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_PP_K3, NULL),
+#else
+# define EC2M_GETTABLE_DOM_PARAMS
+#endif
+
static const OSSL_PARAM ec_known_gettable_params[] = {
OSSL_PARAM_int(OSSL_PKEY_PARAM_BITS, NULL),
OSSL_PARAM_int(OSSL_PKEY_PARAM_SECURITY_BITS, NULL),
OSSL_PARAM_int(OSSL_PKEY_PARAM_MAX_SIZE, NULL),
OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_TLS_ENCODED_PT, NULL, 0),
EC_IMEXPORTABLE_DOM_PARAMETERS,
+ EC2M_GETTABLE_DOM_PARAMS
EC_IMEXPORTABLE_PUBLIC_KEY,
OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_PUB_X, NULL, 0),
OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_PUB_Y, NULL, 0),
struct ec_gen_ctx {
OPENSSL_CTX *libctx;
- EC_GROUP *gen_group;
+ char *group_name;
+ char *encoding;
+ char *field_type;
+ BIGNUM *p, *a, *b, *order, *cofactor;
+ unsigned char *gen, *seed;
+ size_t gen_len, seed_len;
int selection;
int ecdh_mode;
+ EC_GROUP *gen_group;
};
static void *ec_gen_init(void *provctx, int selection)
if ((gctx = OPENSSL_zalloc(sizeof(*gctx))) != NULL) {
gctx->libctx = libctx;
- gctx->gen_group = NULL;
gctx->selection = selection;
gctx->ecdh_mode = 0;
}
return gctx;
}
-static int ec_gen_set_group(void *genctx, int nid)
+static int ec_gen_set_group(void *genctx, const EC_GROUP *src)
{
struct ec_gen_ctx *gctx = genctx;
EC_GROUP *group;
- group = EC_GROUP_new_by_curve_name_with_libctx(gctx->libctx, NULL, nid);
+ group = EC_GROUP_dup(src);
if (group == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_CURVE);
return 0;
gctx->gen_group = group;
return 1;
}
+
static int ec_gen_set_template(void *genctx, void *templ)
{
struct ec_gen_ctx *gctx = genctx;
return 0;
if ((ec_group = EC_KEY_get0_group(ec)) == NULL)
return 0;
- return ec_gen_set_group(gctx, EC_GROUP_get_curve_name(ec_group));
+ return ec_gen_set_group(gctx, ec_group);
+}
+
+#define COPY_INT_PARAM(params, key, val) \
+p = OSSL_PARAM_locate_const(params, key); \
+if (p != NULL && !OSSL_PARAM_get_int(p, &val)) \
+ goto err;
+
+#define COPY_UTF8_PARAM(params, key, val) \
+p = OSSL_PARAM_locate_const(params, key); \
+if (p != NULL) { \
+ if (p->data_type != OSSL_PARAM_UTF8_STRING) \
+ goto err; \
+ OPENSSL_free(val); \
+ val = OPENSSL_strdup(p->data); \
+ if (val == NULL) \
+ goto err; \
+}
+
+#define COPY_OCTET_PARAM(params, key, val, len) \
+p = OSSL_PARAM_locate_const(params, key); \
+if (p != NULL) { \
+ if (p->data_type != OSSL_PARAM_OCTET_STRING) \
+ goto err; \
+ OPENSSL_free(val); \
+ len = p->data_size; \
+ val = OPENSSL_memdup(p->data, p->data_size); \
+ if (val == NULL) \
+ goto err; \
+}
+
+#define COPY_BN_PARAM(params, key, bn) \
+p = OSSL_PARAM_locate_const(params, key); \
+if (p != NULL) { \
+ if (bn == NULL) \
+ bn = BN_new(); \
+ if (bn == NULL || !OSSL_PARAM_get_BN(p, &bn)) \
+ goto err; \
}
static int ec_gen_set_params(void *genctx, const OSSL_PARAM params[])
{
+ int ret = 0;
struct ec_gen_ctx *gctx = genctx;
const OSSL_PARAM *p;
+ EC_GROUP *group = NULL;
- if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_USE_COFACTOR_ECDH))
- != NULL) {
- if (!OSSL_PARAM_get_int(p, &gctx->ecdh_mode))
- return 0;
- }
- if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_GROUP_NAME))
- != NULL) {
- const char *curve_name = NULL;
- int ret = 0;
-
- switch (p->data_type) {
- case OSSL_PARAM_UTF8_STRING:
- /* The OSSL_PARAM functions have no support for this */
- curve_name = p->data;
- ret = (curve_name != NULL);
- break;
- case OSSL_PARAM_UTF8_PTR:
- ret = OSSL_PARAM_get_utf8_ptr(p, &curve_name);
- break;
- }
+ COPY_INT_PARAM(params, OSSL_PKEY_PARAM_USE_COFACTOR_ECDH, gctx->ecdh_mode);
- if (ret) {
- int nid = ec_curve_name2nid(curve_name);
+ COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_GROUP_NAME, gctx->group_name);
+ COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_FIELD_TYPE, gctx->field_type);
+ COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_ENCODING, gctx->encoding);
- if (nid == NID_undef) {
- ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_CURVE);
- ret = 0;
- } else {
- ret = ec_gen_set_group(gctx, nid);
- }
- }
- return ret;
+ COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_P, gctx->p);
+ COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_A, gctx->a);
+ COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_B, gctx->b);
+ COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_ORDER, gctx->order);
+ COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_COFACTOR, gctx->cofactor);
+
+ COPY_OCTET_PARAM(params, OSSL_PKEY_PARAM_EC_SEED, gctx->seed, gctx->seed_len);
+ COPY_OCTET_PARAM(params, OSSL_PKEY_PARAM_EC_GENERATOR, gctx->gen,
+ gctx->gen_len);
+
+ ret = 1;
+err:
+ EC_GROUP_free(group);
+ return ret;
+}
+
+static int ec_gen_set_group_from_params(struct ec_gen_ctx *gctx)
+{
+ int ret = 0;
+ OSSL_PARAM_BLD *bld;
+ OSSL_PARAM *params = NULL;
+ EC_GROUP *group = NULL;
+
+ bld = OSSL_PARAM_BLD_new();
+ if (bld == NULL)
+ return 0;
+
+ if (gctx->encoding != NULL
+ && !OSSL_PARAM_BLD_push_utf8_string(bld, OSSL_PKEY_PARAM_EC_ENCODING,
+ gctx->encoding, 0))
+ goto err;
+
+ if (gctx->group_name != NULL) {
+ if (!OSSL_PARAM_BLD_push_utf8_string(bld, OSSL_PKEY_PARAM_GROUP_NAME,
+ gctx->group_name, 0))
+ goto err;
+ /* Ignore any other parameters if there is a group name */
+ goto build;
+ } else if (gctx->field_type != NULL) {
+ if (!OSSL_PARAM_BLD_push_utf8_string(bld, OSSL_PKEY_PARAM_EC_FIELD_TYPE,
+ gctx->field_type, 0))
+ goto err;
+ } else {
+ goto err;
}
- return 1;
+ if (gctx->p == NULL
+ || gctx->a == NULL
+ || gctx->b == NULL
+ || gctx->order == NULL
+ || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_P, gctx->p)
+ || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_A, gctx->a)
+ || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_B, gctx->b)
+ || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_ORDER, gctx->order))
+ goto err;
+
+ if (gctx->cofactor != NULL
+ && !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_COFACTOR,
+ gctx->cofactor))
+ goto err;
+
+ if (gctx->seed != NULL
+ && !OSSL_PARAM_BLD_push_octet_string(bld, OSSL_PKEY_PARAM_EC_SEED,
+ gctx->seed, gctx->seed_len))
+ goto err;
+
+ if (gctx->gen == NULL
+ || !OSSL_PARAM_BLD_push_octet_string(bld, OSSL_PKEY_PARAM_EC_GENERATOR,
+ gctx->gen, gctx->gen_len))
+ goto err;
+build:
+ params = OSSL_PARAM_BLD_to_param(bld);
+ if (params == NULL)
+ goto err;
+ group = EC_GROUP_new_from_params(params, gctx->libctx, NULL);
+ if (group == NULL)
+ goto err;
+
+ EC_GROUP_free(gctx->gen_group);
+ gctx->gen_group = group;
+
+ ret = 1;
+err:
+ OSSL_PARAM_BLD_free_params(params);
+ OSSL_PARAM_BLD_free(bld);
+ return ret;
}
static const OSSL_PARAM *ec_gen_settable_params(void *provctx)
static OSSL_PARAM settable[] = {
OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_GROUP_NAME, NULL, 0),
OSSL_PARAM_int(OSSL_PKEY_PARAM_USE_COFACTOR_ECDH, NULL),
+ OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_ENCODING, NULL, 0),
+ OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_FIELD_TYPE, NULL, 0),
+ OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_P, NULL, 0),
+ OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_A, NULL, 0),
+ OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_B, NULL, 0),
+ OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_GENERATOR, NULL, 0),
+ OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_ORDER, NULL, 0),
+ OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_COFACTOR, NULL, 0),
+ OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_SEED, NULL, 0),
OSSL_PARAM_END
};
{
struct ec_gen_ctx *gctx = genctx;
EC_KEY *ec = NULL;
- int ret = 1; /* Start optimistically */
+ int ret = 0;
if (gctx == NULL
|| (ec = EC_KEY_new_with_libctx(gctx->libctx, NULL)) == NULL)
return NULL;
+ if (gctx->gen_group == NULL) {
+ if (!ec_gen_set_group_from_params(gctx))
+ goto err;
+ } else {
+ if (gctx->encoding) {
+ int flags = ec_encoding_name2id(gctx->encoding);
+ if (flags < 0)
+ goto err;
+ EC_GROUP_set_asn1_flag(gctx->gen_group, flags);
+ }
+ }
+
/* We must always assign a group, no matter what */
ret = ec_gen_assign_group(ec, gctx->gen_group);
+
/* Whether you want it or not, you get a keypair, not just one half */
if ((gctx->selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)
ret = ret && EC_KEY_generate_key(ec);
if (ret)
return ec;
-
+err:
/* Something went wrong, throw the key away */
EC_KEY_free(ec);
return NULL;
return;
EC_GROUP_free(gctx->gen_group);
+ BN_free(gctx->p);
+ BN_free(gctx->a);
+ BN_free(gctx->b);
+ BN_free(gctx->order);
+ BN_free(gctx->cofactor);
+ OPENSSL_free(gctx->group_name);
+ OPENSSL_free(gctx->field_type);;
+ OPENSSL_free(gctx->encoding);
+ OPENSSL_free(gctx->seed);
+ OPENSSL_free(gctx->gen);
OPENSSL_free(gctx);
}
projects / openssl.git / blobdiff