1/*
2 * Copyright 2013 The Android Open Source Project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *     * Redistributions of source code must retain the above copyright
7 *       notice, this list of conditions and the following disclaimer.
8 *     * Redistributions in binary form must reproduce the above copyright
9 *       notice, this list of conditions and the following disclaimer in the
10 *       documentation and/or other materials provided with the distribution.
11 *     * Neither the name of Google Inc. nor the names of its contributors may
12 *       be used to endorse or promote products derived from this software
13 *       without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY Google Inc. ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
18 * EVENT SHALL Google Inc. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef SYSTEM_CORE_INCLUDE_MINCRYPT_DSA_SIG_H_
28#define SYSTEM_CORE_INCLUDE_MINCRYPT_DSA_SIG_H_
29
30#include "mincrypt/p256.h"
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
36// Returns 0 if input sig is not a valid ASN.1 sequence
37int dsa_sig_unpack(unsigned char* sig, int sig_len, p256_int* r_int, p256_int* s_int);
38
39#ifdef __cplusplus
40}
41#endif
42
43#endif /* SYSTEM_CORE_INCLUDE_MINCRYPT_DSA_SIG_H_ */
44