diff options
-rw-r--r-- | include/openssl/ec.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/openssl/ec.h b/include/openssl/ec.h index f0f2ba60df..af105a427c 100644 --- a/include/openssl/ec.h +++ b/include/openssl/ec.h @@ -1036,6 +1036,42 @@ ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len); */ void ECDSA_SIG_get0(BIGNUM **pr, BIGNUM **ps, ECDSA_SIG *sig); +/** Computes the ECDSA signature of the given hash value using + * the supplied private key and returns the created signature. + * \param dgst pointer to the hash value + * \param dgst_len length of the hash value + * \param eckey EC_KEY object containing a private EC key + * \return pointer to a ECDSA_SIG structure or NULL if an error occurred + */ +ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dgst_len, + EC_KEY *eckey); + +/** Computes ECDSA signature of a given hash value using the supplied + * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). + * \param dgst pointer to the hash value to sign + * \param dgstlen length of the hash value + * \param kinv BIGNUM with a pre-computed inverse k (optional) + * \param rp BIGNUM with a pre-computed rp value (optioanl), + * see ECDSA_sign_setup + * \param eckey EC_KEY object containing a private EC key + * \return pointer to a ECDSA_SIG structure or NULL if an error occurred + */ +ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen, + const BIGNUM *kinv, const BIGNUM *rp, + EC_KEY *eckey); + +/** Verifies that the supplied signature is a valid ECDSA + * signature of the supplied hash value using the supplied public key. + * \param dgst pointer to the hash value + * \param dgst_len length of the hash value + * \param sig ECDSA_SIG structure + * \param eckey EC_KEY object containing a public EC key + * \return 1 if the signature is valid, 0 if the signature is invalid + * and -1 on error + */ +int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, + const ECDSA_SIG *sig, EC_KEY *eckey); + /** Precompute parts of the signing operation * \param eckey EC_KEY object containing a private EC key * \param ctx BN_CTX object (optional) |