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Diffstat (limited to 'src/lib/crypto/ecdsa.h')
-rw-r--r-- | src/lib/crypto/ecdsa.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/lib/crypto/ecdsa.h b/src/lib/crypto/ecdsa.h new file mode 100644 index 0000000..aebfe6a --- /dev/null +++ b/src/lib/crypto/ecdsa.h @@ -0,0 +1,57 @@ +/*- + * Copyright (c) 2017 Ribose Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef ECDSA_H_ +#define ECDSA_H_ + +#include "crypto/ec.h" + +rnp_result_t ecdsa_validate_key(rnp::RNG *rng, const pgp_ec_key_t *key, bool secret); + +rnp_result_t ecdsa_sign(rnp::RNG * rng, + pgp_ec_signature_t *sig, + pgp_hash_alg_t hash_alg, + const uint8_t * hash, + size_t hash_len, + const pgp_ec_key_t *key); + +rnp_result_t ecdsa_verify(const pgp_ec_signature_t *sig, + pgp_hash_alg_t hash_alg, + const uint8_t * hash, + size_t hash_len, + const pgp_ec_key_t * key); + +/* + * @brief Returns hash which should be used with the curve + * + * @param curve Curve ID + * + * @returns Either ID of the hash algorithm, or PGP_HASH_UNKNOWN + * if not found + */ +pgp_hash_alg_t ecdsa_get_min_hash(pgp_curve_t curve); + +#endif // ECDSA_H_ |