1/* 2 * Copyright 2015-2020 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 20ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey) 21{ 22 return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey); 23} 24 25ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen, 26 const BIGNUM *kinv, const BIGNUM *rp, 27 EC_KEY *eckey) 28{ 29 if (eckey->meth->sign_sig != NULL) 30 return eckey->meth->sign_sig(dgst, dlen, kinv, rp, eckey); 31 ERR_raise(ERR_LIB_EC, EC_R_OPERATION_NOT_SUPPORTED); 32 return NULL; 33} 34 35int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char 36 *sig, unsigned int *siglen, EC_KEY *eckey) 37{ 38 return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey); 39} 40 41int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, 42 unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv, 43 const BIGNUM *r, EC_KEY *eckey) 44{ 45 if (eckey->meth->sign != NULL) 46 return eckey->meth->sign(type, dgst, dlen, sig, siglen, kinv, r, eckey); 47 ERR_raise(ERR_LIB_EC, EC_R_OPERATION_NOT_SUPPORTED); 48 return 0; 49} 50 51int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp, 52 BIGNUM **rp) 53{ 54 if (eckey->meth->sign_setup != NULL) 55 return eckey->meth->sign_setup(eckey, ctx_in, kinvp, rp); 56 ERR_raise(ERR_LIB_EC, EC_R_OPERATION_NOT_SUPPORTED); 57 return 0; 58} 59