mirror of
https://github.com/eosswedenorg/libantelope
synced 2026-06-17 12:00:02 +02:00
65 lines
No EOL
2.4 KiB
C
65 lines
No EOL
2.4 KiB
C
/**
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* MIT License
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*
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* Copyright (c) 2019-2023 EOS Sw/eden
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <openssl/ec.h>
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#include <openssl/hmac.h>
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#ifndef LIBEOSIO_OPENSSL_INTERNAL_H
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#define LIBEOSIO_OPENSSL_INTERNAL_H
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#define EC_KEY_new_secp256k1() (EC_KEY_new_by_curve_name( NID_secp256k1 ))
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#define EC_POINT_encode(group, point, buf, len, ctx) \
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EC_POINT_point2oct((group), (point), POINT_CONVERSION_COMPRESSED, (buf), (len), (ctx))
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#ifdef __cplusplus
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extern "C" {
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#endif
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int calculate_pubkey(const EC_GROUP *group, const EC_KEY *ec_key, EC_POINT **point);
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int ECDSA_SIG_recover_key_GFp(EC_KEY *eckey, const BIGNUM* r, const BIGNUM* s, const unsigned char *msg, int msglen, int recid, int check);
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/**
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* Signature serialization function.
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* sig must be a pointer to a serialized signature and be atleast 65 (32s + 32 + 1) bytes long.
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*
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* returns -1 if there was an error. zero otherwise.
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*/
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int ECDSA_SIG_serialize(const ECDSA_SIG *ecdsa_sig, int recid, unsigned char* sig);
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/**
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* Signature unserialization functions.
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* sig must be a pointer to a serialized signature and be atleast 65 (32s + 32 + 1) bytes long.
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*
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* returns -1 if there was an error. zero otherwise.
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*/
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int ECDSA_SIG_unserialize(const unsigned char *sig, ECDSA_SIG *ecdsa_sig, int *recid);
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int ECDSA_SIG_unserialize_rs(const unsigned char *sig, BIGNUM **r, BIGNUM **s, int *recid);
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#ifdef __cplusplus
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}
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#endif
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#endif /* LIBEOSIO_OPENSSL_INTERNAL_H */ |