| Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | #ifndef __PJLIB_UTIL_SHA1_H__ |
| 21 | #define __PJLIB_UTIL_SHA1_H__ |
| 22 | |
| 23 | /** |
| 24 | * @file sha1.h |
| 25 | * @brief SHA1 encryption implementation |
| 26 | */ |
| 27 | |
| 28 | #include <pj/types.h> |
| 29 | |
| 30 | PJ_BEGIN_DECL |
| 31 | |
| 32 | /** |
| 33 | * @defgroup PJLIB_UTIL_SHA1 SHA1 |
| 34 | * @ingroup PJLIB_UTIL_ENCRYPTION |
| 35 | * @{ |
| 36 | */ |
| 37 | |
| 38 | /** SHA1 context */ |
| 39 | typedef struct pj_sha1_context |
| 40 | { |
| 41 | pj_uint32_t state[5]; /**< State */ |
| 42 | pj_uint32_t count[2]; /**< Count */ |
| 43 | pj_uint8_t buffer[64]; /**< Buffer */ |
| 44 | } pj_sha1_context; |
| 45 | |
| 46 | /** SHA1 digest size is 20 bytes */ |
| 47 | #define PJ_SHA1_DIGEST_SIZE 20 |
| 48 | |
| 49 | |
| 50 | /** Initialize the algorithm. |
| 51 | * @param ctx SHA1 context. |
| 52 | */ |
| 53 | PJ_DECL(void) pj_sha1_init(pj_sha1_context *ctx); |
| 54 | |
| 55 | /** Append a stream to the message. |
| 56 | * @param ctx SHA1 context. |
| 57 | * @param data Data. |
| 58 | * @param nbytes Length of data. |
| 59 | */ |
| 60 | PJ_DECL(void) pj_sha1_update(pj_sha1_context *ctx, |
| 61 | const pj_uint8_t *data, |
| 62 | const pj_size_t nbytes); |
| 63 | |
| 64 | /** Finish the message and return the digest. |
| 65 | * @param ctx SHA1 context. |
| 66 | * @param digest 16 byte digest. |
| 67 | */ |
| 68 | PJ_DECL(void) pj_sha1_final(pj_sha1_context *ctx, |
| 69 | pj_uint8_t digest[PJ_SHA1_DIGEST_SIZE]); |
| 70 | |
| 71 | |
| 72 | /** |
| 73 | * @} |
| 74 | */ |
| 75 | |
| 76 | PJ_END_DECL |
| 77 | |
| 78 | |
| 79 | #endif /* __PJLIB_UTIL_SHA1_H__ */ |
| 80 | |