xref: /openssl/include/crypto/asn1_dsa.h (revision 2858156e)
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