1 /* 2 * Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 /* 11 * ECDSA low level APIs are deprecated for public use, but still ok for 12 * internal use. 13 */ 14 #include "internal/deprecated.h" 15 16 #include <openssl/ec.h> 17 #include "ec_local.h" 18 #include <openssl/err.h> 19 20 /*- 21 * returns 22 * 1: correct signature 23 * 0: incorrect signature 24 * -1: error 25 */ 26 int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, 27 const ECDSA_SIG *sig, EC_KEY *eckey) 28 { 29 if (eckey->meth->verify_sig != NULL) 30 return eckey->meth->verify_sig(dgst, dgst_len, sig, eckey); 31 ERR_raise(ERR_LIB_EC, EC_R_OPERATION_NOT_SUPPORTED); 32 return -1; 33 } 34 35 /*- 36 * returns 37 * 1: correct signature 38 * 0: incorrect signature 39 * -1: error 40 */ 41 int ECDSA_verify(int type, const unsigned char *dgst, int dgst_len, 42 const unsigned char *sigbuf, int sig_len, EC_KEY *eckey) 43 { 44 if (eckey->meth->verify != NULL) 45 return eckey->meth->verify(type, dgst, dgst_len, sigbuf, sig_len, 46 eckey); 47 ERR_raise(ERR_LIB_EC, EC_R_OPERATION_NOT_SUPPORTED); 48 return -1; 49 } 50