зеркало из https://github.com/mozilla/pjs.git
600 строки
15 KiB
C
600 строки
15 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1994-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifdef FREEBL_NO_DEPEND
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#include "stubs.h"
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#endif
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#include "prerr.h"
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#include "secerr.h"
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#include "prtypes.h"
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#include "prlong.h"
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#include "blapi.h"
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#define MD5_HASH_LEN 16
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#define MD5_BUFFER_SIZE 64
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#define MD5_END_BUFFER (MD5_BUFFER_SIZE - 8)
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#define CV0_1 0x67452301
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#define CV0_2 0xefcdab89
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#define CV0_3 0x98badcfe
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#define CV0_4 0x10325476
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#define T1_0 0xd76aa478
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#define T1_1 0xe8c7b756
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#define T1_2 0x242070db
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#define T1_3 0xc1bdceee
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#define T1_4 0xf57c0faf
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#define T1_5 0x4787c62a
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#define T1_6 0xa8304613
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#define T1_7 0xfd469501
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#define T1_8 0x698098d8
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#define T1_9 0x8b44f7af
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#define T1_10 0xffff5bb1
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#define T1_11 0x895cd7be
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#define T1_12 0x6b901122
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#define T1_13 0xfd987193
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#define T1_14 0xa679438e
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#define T1_15 0x49b40821
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#define T2_0 0xf61e2562
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#define T2_1 0xc040b340
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#define T2_2 0x265e5a51
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#define T2_3 0xe9b6c7aa
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#define T2_4 0xd62f105d
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#define T2_5 0x02441453
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#define T2_6 0xd8a1e681
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#define T2_7 0xe7d3fbc8
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#define T2_8 0x21e1cde6
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#define T2_9 0xc33707d6
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#define T2_10 0xf4d50d87
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#define T2_11 0x455a14ed
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#define T2_12 0xa9e3e905
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#define T2_13 0xfcefa3f8
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#define T2_14 0x676f02d9
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#define T2_15 0x8d2a4c8a
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#define T3_0 0xfffa3942
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#define T3_1 0x8771f681
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#define T3_2 0x6d9d6122
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#define T3_3 0xfde5380c
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#define T3_4 0xa4beea44
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#define T3_5 0x4bdecfa9
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#define T3_6 0xf6bb4b60
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#define T3_7 0xbebfbc70
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#define T3_8 0x289b7ec6
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#define T3_9 0xeaa127fa
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#define T3_10 0xd4ef3085
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#define T3_11 0x04881d05
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#define T3_12 0xd9d4d039
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#define T3_13 0xe6db99e5
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#define T3_14 0x1fa27cf8
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#define T3_15 0xc4ac5665
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#define T4_0 0xf4292244
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#define T4_1 0x432aff97
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#define T4_2 0xab9423a7
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#define T4_3 0xfc93a039
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#define T4_4 0x655b59c3
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#define T4_5 0x8f0ccc92
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#define T4_6 0xffeff47d
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#define T4_7 0x85845dd1
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#define T4_8 0x6fa87e4f
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#define T4_9 0xfe2ce6e0
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#define T4_10 0xa3014314
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#define T4_11 0x4e0811a1
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#define T4_12 0xf7537e82
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#define T4_13 0xbd3af235
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#define T4_14 0x2ad7d2bb
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#define T4_15 0xeb86d391
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#define R1B0 0
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#define R1B1 1
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#define R1B2 2
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#define R1B3 3
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#define R1B4 4
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#define R1B5 5
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#define R1B6 6
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#define R1B7 7
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#define R1B8 8
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#define R1B9 9
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#define R1B10 10
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#define R1B11 11
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#define R1B12 12
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#define R1B13 13
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#define R1B14 14
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#define R1B15 15
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#define R2B0 1
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#define R2B1 6
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#define R2B2 11
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#define R2B3 0
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#define R2B4 5
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#define R2B5 10
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#define R2B6 15
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#define R2B7 4
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#define R2B8 9
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#define R2B9 14
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#define R2B10 3
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#define R2B11 8
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#define R2B12 13
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#define R2B13 2
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#define R2B14 7
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#define R2B15 12
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#define R3B0 5
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#define R3B1 8
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#define R3B2 11
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#define R3B3 14
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#define R3B4 1
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#define R3B5 4
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#define R3B6 7
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#define R3B7 10
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#define R3B8 13
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#define R3B9 0
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#define R3B10 3
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#define R3B11 6
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#define R3B12 9
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#define R3B13 12
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#define R3B14 15
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#define R3B15 2
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#define R4B0 0
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#define R4B1 7
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#define R4B2 14
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#define R4B3 5
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#define R4B4 12
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#define R4B5 3
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#define R4B6 10
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#define R4B7 1
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#define R4B8 8
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#define R4B9 15
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#define R4B10 6
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#define R4B11 13
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#define R4B12 4
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#define R4B13 11
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#define R4B14 2
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#define R4B15 9
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#define S1_0 7
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#define S1_1 12
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#define S1_2 17
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#define S1_3 22
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#define S2_0 5
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#define S2_1 9
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#define S2_2 14
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#define S2_3 20
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#define S3_0 4
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#define S3_1 11
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#define S3_2 16
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#define S3_3 23
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#define S4_0 6
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#define S4_1 10
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#define S4_2 15
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#define S4_3 21
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struct MD5ContextStr {
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PRUint32 lsbInput;
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PRUint32 msbInput;
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PRUint32 cv[4];
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union {
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PRUint8 b[64];
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PRUint32 w[16];
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} u;
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};
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#define inBuf u.b
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SECStatus
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MD5_Hash(unsigned char *dest, const char *src)
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{
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return MD5_HashBuf(dest, (const unsigned char *)src, PORT_Strlen(src));
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}
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SECStatus
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MD5_HashBuf(unsigned char *dest, const unsigned char *src, uint32 src_length)
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{
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unsigned int len;
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MD5Context cx;
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MD5_Begin(&cx);
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MD5_Update(&cx, src, src_length);
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MD5_End(&cx, dest, &len, MD5_HASH_LEN);
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/* memset(&cx, 0, sizeof cx); */
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return SECSuccess;
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}
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MD5Context *
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MD5_NewContext(void)
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{
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/* no need to ZAlloc, MD5_Begin will init the context */
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MD5Context *cx = (MD5Context *)PORT_Alloc(sizeof(MD5Context));
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if (cx == NULL) {
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PORT_SetError(PR_OUT_OF_MEMORY_ERROR);
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return NULL;
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}
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return cx;
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}
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void
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MD5_DestroyContext(MD5Context *cx, PRBool freeit)
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{
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/* memset(cx, 0, sizeof *cx); */
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if (freeit) {
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PORT_Free(cx);
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}
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}
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void
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MD5_Begin(MD5Context *cx)
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{
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cx->lsbInput = 0;
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cx->msbInput = 0;
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/* memset(cx->inBuf, 0, sizeof(cx->inBuf)); */
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cx->cv[0] = CV0_1;
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cx->cv[1] = CV0_2;
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cx->cv[2] = CV0_3;
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cx->cv[3] = CV0_4;
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}
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#define cls(i32, s) (tmp = i32, tmp << s | tmp >> (32 - s))
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#if defined(SOLARIS) || defined(HPUX)
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#define addto64(sumhigh, sumlow, addend) \
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sumlow += addend; sumhigh += (sumlow < addend);
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#else
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#define addto64(sumhigh, sumlow, addend) \
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sumlow += addend; if (sumlow < addend) ++sumhigh;
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#endif
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#define MASK 0x00ff00ff
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#ifdef IS_LITTLE_ENDIAN
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#define lendian(i32) \
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(i32)
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#else
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#define lendian(i32) \
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(tmp = i32 >> 16 | i32 << 16, (tmp & MASK) << 8 | tmp >> 8 & MASK)
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#endif
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#ifndef IS_LITTLE_ENDIAN
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#define lebytes(b4) \
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((b4)[3] << 24 | (b4)[2] << 16 | (b4)[1] << 8 | (b4)[0])
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static void
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md5_prep_state_le(MD5Context *cx)
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{
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PRUint32 tmp;
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cx->u.w[0] = lendian(cx->u.w[0]);
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cx->u.w[1] = lendian(cx->u.w[1]);
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cx->u.w[2] = lendian(cx->u.w[2]);
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cx->u.w[3] = lendian(cx->u.w[3]);
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cx->u.w[4] = lendian(cx->u.w[4]);
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cx->u.w[5] = lendian(cx->u.w[5]);
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cx->u.w[6] = lendian(cx->u.w[6]);
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cx->u.w[7] = lendian(cx->u.w[7]);
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cx->u.w[8] = lendian(cx->u.w[8]);
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cx->u.w[9] = lendian(cx->u.w[9]);
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cx->u.w[10] = lendian(cx->u.w[10]);
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cx->u.w[11] = lendian(cx->u.w[11]);
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cx->u.w[12] = lendian(cx->u.w[12]);
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cx->u.w[13] = lendian(cx->u.w[13]);
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cx->u.w[14] = lendian(cx->u.w[14]);
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cx->u.w[15] = lendian(cx->u.w[15]);
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}
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static void
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md5_prep_buffer_le(MD5Context *cx, const PRUint8 *beBuf)
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{
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cx->u.w[0] = lebytes(&beBuf[0]);
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cx->u.w[1] = lebytes(&beBuf[4]);
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cx->u.w[2] = lebytes(&beBuf[8]);
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cx->u.w[3] = lebytes(&beBuf[12]);
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cx->u.w[4] = lebytes(&beBuf[16]);
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cx->u.w[5] = lebytes(&beBuf[20]);
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cx->u.w[6] = lebytes(&beBuf[24]);
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cx->u.w[7] = lebytes(&beBuf[28]);
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cx->u.w[8] = lebytes(&beBuf[32]);
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cx->u.w[9] = lebytes(&beBuf[36]);
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cx->u.w[10] = lebytes(&beBuf[40]);
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cx->u.w[11] = lebytes(&beBuf[44]);
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cx->u.w[12] = lebytes(&beBuf[48]);
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cx->u.w[13] = lebytes(&beBuf[52]);
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cx->u.w[14] = lebytes(&beBuf[56]);
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cx->u.w[15] = lebytes(&beBuf[60]);
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}
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#endif
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#define F(X, Y, Z) \
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((X & Y) | ((~X) & Z))
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#define G(X, Y, Z) \
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((X & Z) | (Y & (~Z)))
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#define H(X, Y, Z) \
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(X ^ Y ^ Z)
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#define I(X, Y, Z) \
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(Y ^ (X | (~Z)))
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#define FF(a, b, c, d, bufint, s, ti) \
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a = b + cls(a + F(b, c, d) + bufint + ti, s)
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#define GG(a, b, c, d, bufint, s, ti) \
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a = b + cls(a + G(b, c, d) + bufint + ti, s)
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#define HH(a, b, c, d, bufint, s, ti) \
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a = b + cls(a + H(b, c, d) + bufint + ti, s)
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#define II(a, b, c, d, bufint, s, ti) \
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a = b + cls(a + I(b, c, d) + bufint + ti, s)
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static void
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md5_compress(MD5Context *cx, const PRUint32 *wBuf)
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{
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PRUint32 a, b, c, d;
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PRUint32 tmp;
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a = cx->cv[0];
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b = cx->cv[1];
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c = cx->cv[2];
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d = cx->cv[3];
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FF(a, b, c, d, wBuf[R1B0 ], S1_0, T1_0);
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FF(d, a, b, c, wBuf[R1B1 ], S1_1, T1_1);
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FF(c, d, a, b, wBuf[R1B2 ], S1_2, T1_2);
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FF(b, c, d, a, wBuf[R1B3 ], S1_3, T1_3);
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FF(a, b, c, d, wBuf[R1B4 ], S1_0, T1_4);
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FF(d, a, b, c, wBuf[R1B5 ], S1_1, T1_5);
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FF(c, d, a, b, wBuf[R1B6 ], S1_2, T1_6);
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FF(b, c, d, a, wBuf[R1B7 ], S1_3, T1_7);
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FF(a, b, c, d, wBuf[R1B8 ], S1_0, T1_8);
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FF(d, a, b, c, wBuf[R1B9 ], S1_1, T1_9);
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FF(c, d, a, b, wBuf[R1B10], S1_2, T1_10);
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FF(b, c, d, a, wBuf[R1B11], S1_3, T1_11);
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FF(a, b, c, d, wBuf[R1B12], S1_0, T1_12);
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FF(d, a, b, c, wBuf[R1B13], S1_1, T1_13);
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FF(c, d, a, b, wBuf[R1B14], S1_2, T1_14);
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FF(b, c, d, a, wBuf[R1B15], S1_3, T1_15);
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GG(a, b, c, d, wBuf[R2B0 ], S2_0, T2_0);
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GG(d, a, b, c, wBuf[R2B1 ], S2_1, T2_1);
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GG(c, d, a, b, wBuf[R2B2 ], S2_2, T2_2);
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GG(b, c, d, a, wBuf[R2B3 ], S2_3, T2_3);
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GG(a, b, c, d, wBuf[R2B4 ], S2_0, T2_4);
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GG(d, a, b, c, wBuf[R2B5 ], S2_1, T2_5);
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GG(c, d, a, b, wBuf[R2B6 ], S2_2, T2_6);
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GG(b, c, d, a, wBuf[R2B7 ], S2_3, T2_7);
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GG(a, b, c, d, wBuf[R2B8 ], S2_0, T2_8);
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GG(d, a, b, c, wBuf[R2B9 ], S2_1, T2_9);
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GG(c, d, a, b, wBuf[R2B10], S2_2, T2_10);
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GG(b, c, d, a, wBuf[R2B11], S2_3, T2_11);
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GG(a, b, c, d, wBuf[R2B12], S2_0, T2_12);
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GG(d, a, b, c, wBuf[R2B13], S2_1, T2_13);
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GG(c, d, a, b, wBuf[R2B14], S2_2, T2_14);
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GG(b, c, d, a, wBuf[R2B15], S2_3, T2_15);
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HH(a, b, c, d, wBuf[R3B0 ], S3_0, T3_0);
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HH(d, a, b, c, wBuf[R3B1 ], S3_1, T3_1);
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HH(c, d, a, b, wBuf[R3B2 ], S3_2, T3_2);
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HH(b, c, d, a, wBuf[R3B3 ], S3_3, T3_3);
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HH(a, b, c, d, wBuf[R3B4 ], S3_0, T3_4);
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HH(d, a, b, c, wBuf[R3B5 ], S3_1, T3_5);
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HH(c, d, a, b, wBuf[R3B6 ], S3_2, T3_6);
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HH(b, c, d, a, wBuf[R3B7 ], S3_3, T3_7);
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HH(a, b, c, d, wBuf[R3B8 ], S3_0, T3_8);
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HH(d, a, b, c, wBuf[R3B9 ], S3_1, T3_9);
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HH(c, d, a, b, wBuf[R3B10], S3_2, T3_10);
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HH(b, c, d, a, wBuf[R3B11], S3_3, T3_11);
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HH(a, b, c, d, wBuf[R3B12], S3_0, T3_12);
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HH(d, a, b, c, wBuf[R3B13], S3_1, T3_13);
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HH(c, d, a, b, wBuf[R3B14], S3_2, T3_14);
|
|
HH(b, c, d, a, wBuf[R3B15], S3_3, T3_15);
|
|
II(a, b, c, d, wBuf[R4B0 ], S4_0, T4_0);
|
|
II(d, a, b, c, wBuf[R4B1 ], S4_1, T4_1);
|
|
II(c, d, a, b, wBuf[R4B2 ], S4_2, T4_2);
|
|
II(b, c, d, a, wBuf[R4B3 ], S4_3, T4_3);
|
|
II(a, b, c, d, wBuf[R4B4 ], S4_0, T4_4);
|
|
II(d, a, b, c, wBuf[R4B5 ], S4_1, T4_5);
|
|
II(c, d, a, b, wBuf[R4B6 ], S4_2, T4_6);
|
|
II(b, c, d, a, wBuf[R4B7 ], S4_3, T4_7);
|
|
II(a, b, c, d, wBuf[R4B8 ], S4_0, T4_8);
|
|
II(d, a, b, c, wBuf[R4B9 ], S4_1, T4_9);
|
|
II(c, d, a, b, wBuf[R4B10], S4_2, T4_10);
|
|
II(b, c, d, a, wBuf[R4B11], S4_3, T4_11);
|
|
II(a, b, c, d, wBuf[R4B12], S4_0, T4_12);
|
|
II(d, a, b, c, wBuf[R4B13], S4_1, T4_13);
|
|
II(c, d, a, b, wBuf[R4B14], S4_2, T4_14);
|
|
II(b, c, d, a, wBuf[R4B15], S4_3, T4_15);
|
|
cx->cv[0] += a;
|
|
cx->cv[1] += b;
|
|
cx->cv[2] += c;
|
|
cx->cv[3] += d;
|
|
}
|
|
|
|
void
|
|
MD5_Update(MD5Context *cx, const unsigned char *input, unsigned int inputLen)
|
|
{
|
|
PRUint32 bytesToConsume;
|
|
PRUint32 inBufIndex = cx->lsbInput & 63;
|
|
const PRUint32 *wBuf;
|
|
|
|
/* Add the number of input bytes to the 64-bit input counter. */
|
|
addto64(cx->msbInput, cx->lsbInput, inputLen);
|
|
if (inBufIndex) {
|
|
/* There is already data in the buffer. Fill with input. */
|
|
bytesToConsume = PR_MIN(inputLen, MD5_BUFFER_SIZE - inBufIndex);
|
|
memcpy(&cx->inBuf[inBufIndex], input, bytesToConsume);
|
|
if (inBufIndex + bytesToConsume >= MD5_BUFFER_SIZE) {
|
|
/* The buffer is filled. Run the compression function. */
|
|
#ifndef IS_LITTLE_ENDIAN
|
|
md5_prep_state_le(cx);
|
|
#endif
|
|
md5_compress(cx, cx->u.w);
|
|
}
|
|
/* Remaining input. */
|
|
inputLen -= bytesToConsume;
|
|
input += bytesToConsume;
|
|
}
|
|
|
|
/* Iterate over 64-byte chunks of the message. */
|
|
while (inputLen >= MD5_BUFFER_SIZE) {
|
|
#ifdef IS_LITTLE_ENDIAN
|
|
#ifdef NSS_X86_OR_X64
|
|
/* x86 can handle arithmetic on non-word-aligned buffers */
|
|
wBuf = (PRUint32 *)input;
|
|
#else
|
|
if ((ptrdiff_t)input & 0x3) {
|
|
/* buffer not aligned, copy it to force alignment */
|
|
memcpy(cx->inBuf, input, MD5_BUFFER_SIZE);
|
|
wBuf = cx->u.w;
|
|
} else {
|
|
/* buffer is aligned */
|
|
wBuf = (PRUint32 *)input;
|
|
}
|
|
#endif
|
|
#else
|
|
md5_prep_buffer_le(cx, input);
|
|
wBuf = cx->u.w;
|
|
#endif
|
|
md5_compress(cx, wBuf);
|
|
inputLen -= MD5_BUFFER_SIZE;
|
|
input += MD5_BUFFER_SIZE;
|
|
}
|
|
|
|
/* Tail of message (message bytes mod 64). */
|
|
if (inputLen)
|
|
memcpy(cx->inBuf, input, inputLen);
|
|
}
|
|
|
|
static const unsigned char padbytes[] = {
|
|
0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
|
|
};
|
|
|
|
void
|
|
MD5_End(MD5Context *cx, unsigned char *digest,
|
|
unsigned int *digestLen, unsigned int maxDigestLen)
|
|
{
|
|
#ifndef IS_LITTLE_ENDIAN
|
|
PRUint32 tmp;
|
|
#endif
|
|
PRUint32 lowInput, highInput;
|
|
PRUint32 inBufIndex = cx->lsbInput & 63;
|
|
|
|
if (maxDigestLen < MD5_HASH_LEN) {
|
|
PORT_SetError(SEC_ERROR_INVALID_ARGS);
|
|
return;
|
|
}
|
|
|
|
/* Copy out the length of bits input before padding. */
|
|
lowInput = cx->lsbInput;
|
|
highInput = (cx->msbInput << 3) | (lowInput >> 29);
|
|
lowInput <<= 3;
|
|
|
|
if (inBufIndex < MD5_END_BUFFER) {
|
|
MD5_Update(cx, padbytes, MD5_END_BUFFER - inBufIndex);
|
|
} else {
|
|
MD5_Update(cx, padbytes,
|
|
MD5_END_BUFFER + MD5_BUFFER_SIZE - inBufIndex);
|
|
}
|
|
|
|
/* Store the number of bytes input (before padding) in final 64 bits. */
|
|
cx->u.w[14] = lendian(lowInput);
|
|
cx->u.w[15] = lendian(highInput);
|
|
|
|
/* Final call to compress. */
|
|
#ifndef IS_LITTLE_ENDIAN
|
|
md5_prep_state_le(cx);
|
|
#endif
|
|
md5_compress(cx, cx->u.w);
|
|
|
|
/* Copy the resulting values out of the chain variables into return buf. */
|
|
*digestLen = MD5_HASH_LEN;
|
|
#ifndef IS_LITTLE_ENDIAN
|
|
cx->cv[0] = lendian(cx->cv[0]);
|
|
cx->cv[1] = lendian(cx->cv[1]);
|
|
cx->cv[2] = lendian(cx->cv[2]);
|
|
cx->cv[3] = lendian(cx->cv[3]);
|
|
#endif
|
|
memcpy(digest, cx->cv, MD5_HASH_LEN);
|
|
}
|
|
|
|
unsigned int
|
|
MD5_FlattenSize(MD5Context *cx)
|
|
{
|
|
return sizeof(*cx);
|
|
}
|
|
|
|
SECStatus
|
|
MD5_Flatten(MD5Context *cx, unsigned char *space)
|
|
{
|
|
memcpy(space, cx, sizeof(*cx));
|
|
return SECSuccess;
|
|
}
|
|
|
|
MD5Context *
|
|
MD5_Resurrect(unsigned char *space, void *arg)
|
|
{
|
|
MD5Context *cx = MD5_NewContext();
|
|
if (cx)
|
|
memcpy(cx, space, sizeof(*cx));
|
|
return cx;
|
|
}
|
|
|
|
void MD5_Clone(MD5Context *dest, MD5Context *src)
|
|
{
|
|
memcpy(dest, src, sizeof *dest);
|
|
}
|
|
|
|
void
|
|
MD5_TraceState(MD5Context *cx)
|
|
{
|
|
PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
|
|
}
|