| Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame^] | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. |
| 2 | * |
| 3 | * This package is an SSL implementation written |
| 4 | * by Eric Young (eay@cryptsoft.com). |
| 5 | * The implementation was written so as to conform with Netscapes SSL. |
| 6 | * |
| 7 | * This library is free for commercial and non-commercial use as long as |
| 8 | * the following conditions are aheared to. The following conditions |
| 9 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 10 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 11 | * included with this distribution is covered by the same copyright terms |
| 12 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| 13 | * |
| 14 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 15 | * the code are not to be removed. |
| 16 | * If this package is used in a product, Eric Young should be given attribution |
| 17 | * as the author of the parts of the library used. |
| 18 | * This can be in the form of a textual message at program startup or |
| 19 | * in documentation (online or textual) provided with the package. |
| 20 | * |
| 21 | * Redistribution and use in source and binary forms, with or without |
| 22 | * modification, are permitted provided that the following conditions |
| 23 | * are met: |
| 24 | * 1. Redistributions of source code must retain the copyright |
| 25 | * notice, this list of conditions and the following disclaimer. |
| 26 | * 2. Redistributions in binary form must reproduce the above copyright |
| 27 | * notice, this list of conditions and the following disclaimer in the |
| 28 | * documentation and/or other materials provided with the distribution. |
| 29 | * 3. All advertising materials mentioning features or use of this software |
| 30 | * must display the following acknowledgement: |
| 31 | * "This product includes cryptographic software written by |
| 32 | * Eric Young (eay@cryptsoft.com)" |
| 33 | * The word 'cryptographic' can be left out if the rouines from the library |
| 34 | * being used are not cryptographic related :-). |
| 35 | * 4. If you include any Windows specific code (or a derivative thereof) from |
| 36 | * the apps directory (application code) you must include an acknowledgement: |
| 37 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| 38 | * |
| 39 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 40 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 42 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 43 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 44 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 45 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 46 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 47 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 48 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 49 | * SUCH DAMAGE. |
| 50 | * |
| 51 | * The licence and distribution terms for any publically available version or |
| 52 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 53 | * copied and put under another distribution licence |
| 54 | * [including the GNU Public Licence.] */ |
| 55 | |
| 56 | #ifndef OPENSSL_HEADER_MD4_H |
| 57 | #define OPENSSL_HEADER_MD4_H |
| 58 | |
| 59 | #include <openssl/base.h> |
| 60 | |
| 61 | #if defined(__cplusplus) |
| 62 | extern "C" { |
| 63 | #endif |
| 64 | |
| 65 | |
| 66 | /* MD4. */ |
| 67 | |
| 68 | /* MD4_CBLOCK is the block size of MD4. */ |
| 69 | #define MD4_CBLOCK 64 |
| 70 | |
| 71 | /* MD4_DIGEST_LENGTH is the length of an MD4 digest. */ |
| 72 | #define MD4_DIGEST_LENGTH 16 |
| 73 | |
| 74 | /* MD41_Init initialises |md4| and returns one. */ |
| 75 | OPENSSL_EXPORT int MD4_Init(MD4_CTX *md4); |
| 76 | |
| 77 | /* MD4_Update adds |len| bytes from |data| to |md4| and returns one. */ |
| 78 | OPENSSL_EXPORT int MD4_Update(MD4_CTX *md4, const void *data, size_t len); |
| 79 | |
| 80 | /* MD4_Final adds the final padding to |md4| and writes the resulting digest to |
| 81 | * |md|, which must have at least |MD4_DIGEST_LENGTH| bytes of space. It |
| 82 | * returns one. */ |
| 83 | OPENSSL_EXPORT int MD4_Final(uint8_t *md, MD4_CTX *md4); |
| 84 | |
| 85 | /* MD4_Transform is a low-level function that performs a single, MD4 block |
| 86 | * transformation using the state from |md4| and 64 bytes from |block|. */ |
| 87 | OPENSSL_EXPORT void MD4_Transform(MD4_CTX *md4, const uint8_t *block); |
| 88 | |
| 89 | struct md4_state_st { |
| 90 | uint32_t A, B, C, D; |
| 91 | uint32_t Nl, Nh; |
| 92 | uint32_t data[16]; |
| 93 | unsigned int num; |
| 94 | }; |
| 95 | |
| 96 | |
| 97 | #if defined(__cplusplus) |
| 98 | } /* extern C */ |
| 99 | #endif |
| 100 | |
| 101 | #endif /* OPENSSL_HEADER_MD4_H */ |