openssl/include/internal/deterministic_nonce.h

/*
 * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef OSSL_INTERNAL_DETERMINISTIC_NONCE_H
# define OSSL_INTERNAL_DETERMINISTIC_NONCE_H
# pragma once

# include <openssl/bn.h>

int ossl_gen_deterministic_nonce_rfc6979(BIGNUM *out, const BIGNUM *q,
                                         const BIGNUM *priv,
                                         const unsigned char *message,
                                         size_t message_len,
                                         const char *digestname,
                                         OSSL_LIB_CTX *libctx,
                                         const char *propq);

#endif /*OSSL_INTERNAL_DETERMINISTIC_NONCE_H */