diff options
Diffstat (limited to 'crypto/ec/ecdsa_ossl.c')
| -rw-r--r-- | crypto/ec/ecdsa_ossl.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/crypto/ec/ecdsa_ossl.c b/crypto/ec/ecdsa_ossl.c index 0da33799e4..e60877aa05 100644 --- a/crypto/ec/ecdsa_ossl.c +++ b/crypto/ec/ecdsa_ossl.c @@ -77,6 +77,11 @@ int ossl_ecdsa_sign(int type, const unsigned char *dgst, int dlen, { ECDSA_SIG *s; + if (sig == NULL && (kinv == NULL || r == NULL)) { + *siglen = ECDSA_size(eckey); + return 1; + } + s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey); if (s == NULL) { *siglen = 0; @@ -97,6 +102,11 @@ int ossl_ecdsa_deterministic_sign(const unsigned char *dgst, int dlen, BIGNUM *kinv = NULL, *r = NULL; int ret = 0; + if (sig == NULL) { + ERR_raise(ERR_LIB_EC, ERR_R_PASSED_NULL_PARAMETER); + return 0; + } + *siglen = 0; if (!ecdsa_sign_setup(eckey, NULL, &kinv, &r, dgst, dlen, nonce_type, digestname, libctx, propq)) @@ -106,7 +116,7 @@ int ossl_ecdsa_deterministic_sign(const unsigned char *dgst, int dlen, if (s == NULL) goto end; - *siglen = i2d_ECDSA_SIG(s, sig != NULL ? &sig : NULL); + *siglen = i2d_ECDSA_SIG(s, &sig); ECDSA_SIG_free(s); ret = 1; end: |