2 * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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
10 #ifndef OSSL_CRYPTO_ASN1_DSA_H
11 # define OSSL_CRYPTO_ASN1_DSA_H
13 #include "internal/packet.h"
15 int encode_der_length(WPACKET *pkt, size_t cont_len);
16 int encode_der_integer(WPACKET *pkt, const BIGNUM *n);
17 int encode_der_dsa_sig(WPACKET *pkt, const BIGNUM *r, const BIGNUM *s);
18 int decode_der_length(PACKET *pkt, PACKET *subpkt);
19 int decode_der_integer(PACKET *pkt, BIGNUM *n);
20 size_t decode_der_dsa_sig(BIGNUM *r, BIGNUM *s, const unsigned char **ppin,