1 /* 2 * Copyright 2019-2021 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 #ifndef OSSL_CRYPTO_ASN1_DSA_H 11 # define OSSL_CRYPTO_ASN1_DSA_H 12 # pragma once 13 14 #include "internal/packet.h" 15 16 int ossl_encode_der_length(WPACKET *pkt, size_t cont_len); 17 int ossl_encode_der_integer(WPACKET *pkt, const BIGNUM *n); 18 int ossl_encode_der_dsa_sig(WPACKET *pkt, const BIGNUM *r, const BIGNUM *s); 19 int ossl_decode_der_length(PACKET *pkt, PACKET *subpkt); 20 int ossl_decode_der_integer(PACKET *pkt, BIGNUM *n); 21 size_t ossl_decode_der_dsa_sig(BIGNUM *r, BIGNUM *s, const unsigned char **ppin, 22 size_t len); 23 24 #endif 25