diff options
Diffstat (limited to 'crypto/ec/ecdsa_ossl.c')
-rw-r--r-- | crypto/ec/ecdsa_ossl.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/crypto/ec/ecdsa_ossl.c b/crypto/ec/ecdsa_ossl.c index a488d5c86d..b5aba77a4f 100644 --- a/crypto/ec/ecdsa_ossl.c +++ b/crypto/ec/ecdsa_ossl.c @@ -41,11 +41,16 @@ static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, const EC_GROUP *group; int ret = 0; int order_bits; + const BIGNUM *priv_key; if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL) { ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_PASSED_NULL_PARAMETER); return 0; } + if ((priv_key = EC_KEY_get0_private_key(eckey)) == NULL) { + ECerr(EC_F_ECDSA_SIGN_SETUP, EC_R_MISSING_PRIVATE_KEY); + return 0; + } if (!EC_KEY_can_sign(eckey)) { ECerr(EC_F_ECDSA_SIGN_SETUP, EC_R_CURVE_DOES_NOT_SUPPORT_SIGNING); @@ -83,8 +88,7 @@ static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, /* get random k */ do { if (dgst != NULL) { - if (!BN_generate_dsa_nonce(k, order, - EC_KEY_get0_private_key(eckey), + if (!BN_generate_dsa_nonce(k, order, priv_key, dgst, dlen, ctx)) { ECerr(EC_F_ECDSA_SIGN_SETUP, EC_R_RANDOM_NUMBER_GENERATION_FAILED); @@ -162,10 +166,14 @@ ECDSA_SIG *ossl_ecdsa_sign_sig(const unsigned char *dgst, int dgst_len, group = EC_KEY_get0_group(eckey); priv_key = EC_KEY_get0_private_key(eckey); - if (group == NULL || priv_key == NULL) { + if (group == NULL) { ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_PASSED_NULL_PARAMETER); return NULL; } + if (priv_key == NULL) { + ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, EC_R_MISSING_PRIVATE_KEY); + return NULL; + } if (!EC_KEY_can_sign(eckey)) { ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, EC_R_CURVE_DOES_NOT_SUPPORT_SIGNING); |