[331] | 1 | /*
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| 2 | * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <openssl/ec.h>
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| 11 | #include "ec_lcl.h"
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| 12 | #include <openssl/err.h>
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| 13 |
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| 14 | ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
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| 15 | {
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| 16 | return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
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| 17 | }
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| 18 |
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| 19 | ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen,
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| 20 | const BIGNUM *kinv, const BIGNUM *rp,
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| 21 | EC_KEY *eckey)
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| 22 | {
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| 23 | if (eckey->meth->sign_sig != NULL)
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| 24 | return eckey->meth->sign_sig(dgst, dlen, kinv, rp, eckey);
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| 25 | ECerr(EC_F_ECDSA_DO_SIGN_EX, EC_R_OPERATION_NOT_SUPPORTED);
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| 26 | return NULL;
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| 27 | }
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| 28 |
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| 29 | int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
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| 30 | *sig, unsigned int *siglen, EC_KEY *eckey)
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| 31 | {
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| 32 | return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
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| 33 | }
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| 34 |
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| 35 | int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen,
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| 36 | unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv,
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| 37 | const BIGNUM *r, EC_KEY *eckey)
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| 38 | {
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| 39 | if (eckey->meth->sign != NULL)
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| 40 | return eckey->meth->sign(type, dgst, dlen, sig, siglen, kinv, r, eckey);
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| 41 | ECerr(EC_F_ECDSA_SIGN_EX, EC_R_OPERATION_NOT_SUPPORTED);
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| 42 | return 0;
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| 43 | }
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| 44 |
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| 45 | int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
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| 46 | BIGNUM **rp)
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| 47 | {
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| 48 | if (eckey->meth->sign_setup != NULL)
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| 49 | return eckey->meth->sign_setup(eckey, ctx_in, kinvp, rp);
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| 50 | ECerr(EC_F_ECDSA_SIGN_SETUP, EC_R_OPERATION_NOT_SUPPORTED);
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| 51 | return 0;
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| 52 | }
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