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 PHP: Test and Code Coverage Analysis
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LCOV - code coverage report
Current view: top level - ext/hash - hash_sha.c (source / functions) Hit Total Coverage
Test: PHP Code Coverage Lines: 257 261 98.5 %
Date: 2014-12-13 Functions: 18 18 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :   +----------------------------------------------------------------------+
       3             :   | PHP Version 7                                                        |
       4             :   +----------------------------------------------------------------------+
       5             :   | Copyright (c) 1997-2014 The PHP Group                                |
       6             :   +----------------------------------------------------------------------+
       7             :   | This source file is subject to version 3.01 of the PHP license,      |
       8             :   | that is bundled with this package in the file LICENSE, and is        |
       9             :   | available through the world-wide-web at the following url:           |
      10             :   | http://www.php.net/license/3_01.txt                                  |
      11             :   | If you did not receive a copy of the PHP license and are unable to   |
      12             :   | obtain it through the world-wide-web, please send a note to          |
      13             :   | license@php.net so we can mail you a copy immediately.               |
      14             :   +----------------------------------------------------------------------+
      15             :   | Authors: Steffan Esser <sesser@php.net>                              |
      16             :   |          Sara Golemon <pollita@php.net>                              |
      17             :   +----------------------------------------------------------------------+
      18             : */
      19             : 
      20             : /* $Id$ */
      21             : 
      22             : #include "php_hash.h"
      23             : #include "php_hash_sha.h"
      24             : 
      25             : static const unsigned char PADDING[128] =
      26             : {
      27             :         0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      28             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      29             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      30             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      31             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      32             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      33             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      34             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
      35             : };
      36             : 
      37             : /* {{{ SHAEncode32
      38             :    Encodes input (php_hash_uint32) into output (unsigned char). Assumes len is
      39             :    a multiple of 4.
      40             :  */
      41       24620 : static void SHAEncode32(unsigned char *output, php_hash_uint32 *input, unsigned int len)
      42             : {
      43             :         unsigned int i, j;
      44             : 
      45      221570 :         for (i = 0, j = 0; j < len; i++, j += 4) {
      46      196950 :                 output[j] = (unsigned char) ((input[i] >> 24) & 0xff);
      47      196950 :                 output[j + 1] = (unsigned char) ((input[i] >> 16) & 0xff);
      48      196950 :                 output[j + 2] = (unsigned char) ((input[i] >> 8) & 0xff);
      49      196950 :                 output[j + 3] = (unsigned char) (input[i] & 0xff);
      50             :         }
      51       24620 : }
      52             : /* }}} */
      53             : 
      54             : 
      55             : /* {{{ SHADecode32
      56             :    Decodes input (unsigned char) into output (php_hash_uint32). Assumes len is
      57             :    a multiple of 4.
      58             :  */
      59       80620 : static void SHADecode32(php_hash_uint32 *output, const unsigned char *input, unsigned int len)
      60             : {
      61             :         unsigned int i, j;
      62             : 
      63     1370540 :         for (i = 0, j = 0; j < len; i++, j += 4)
      64     2579840 :                 output[i] = ((php_hash_uint32) input[j + 3]) | (((php_hash_uint32) input[j + 2]) << 8) |
      65     1289920 :                         (((php_hash_uint32) input[j + 1]) << 16) | (((php_hash_uint32) input[j]) << 24);
      66       80620 : }
      67             : /* }}} */
      68             : 
      69             : const php_hash_ops php_hash_sha1_ops = {
      70             :         (php_hash_init_func_t) PHP_SHA1Init,
      71             :         (php_hash_update_func_t) PHP_SHA1Update,
      72             :         (php_hash_final_func_t) PHP_SHA1Final,
      73             :         (php_hash_copy_func_t) php_hash_copy,
      74             :         20,
      75             :         64,
      76             :         sizeof(PHP_SHA1_CTX)
      77             : };
      78             : 
      79             : #ifdef PHP_HASH_SHA1_NOT_IN_CORE
      80             : 
      81             : PHP_HASH_API void make_sha1_digest(char *sha1str, unsigned char *digest)
      82             : {
      83             :         php_hash_bin2hex(sha1str, digest, 20);
      84             :         sha1str[40] = '\0';
      85             : }
      86             : 
      87             : /* {{{ proto string sha1(string str [, bool raw_output])
      88             :    Calculate the sha1 hash of a string */
      89             : PHP_FUNCTION(sha1)
      90             : {
      91             :         char *arg;
      92             :         size_t arg_len;
      93             :         zend_bool raw_output = 0;
      94             :         char sha1str[41];
      95             :         PHP_SHA1_CTX context;
      96             :         unsigned char digest[20];
      97             :         
      98             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b", &arg, &arg_len, &raw_output) == FAILURE) {
      99             :                 return;
     100             :         }
     101             : 
     102             :         sha1str[0] = '\0';
     103             :         PHP_SHA1Init(&context);
     104             :         PHP_SHA1Update(&context, arg, arg_len);
     105             :         PHP_SHA1Final(digest, &context);
     106             :         if (raw_output) {
     107             :                 RETURN_STRINGL(digest, 20);
     108             :         } else {
     109             :                 make_sha1_digest(sha1str, digest);
     110             :                 RETVAL_STRING(sha1str);
     111             :         }
     112             : 
     113             : }
     114             : 
     115             : /* }}} */
     116             : 
     117             : /* {{{ proto string sha1_file(string filename [, bool raw_output])
     118             :    Calculate the sha1 hash of given filename */
     119             : PHP_FUNCTION(sha1_file)
     120             : {
     121             :         char          *arg;
     122             :         int           arg_len;
     123             :         zend_bool raw_output = 0;
     124             :         char          sha1str[41];
     125             :         unsigned char buf[1024];
     126             :         unsigned char digest[20];
     127             :         PHP_SHA1_CTX   context;
     128             :         int           n;
     129             :         php_stream    *stream;
     130             : 
     131             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|b", &arg, &arg_len, &raw_output) == FAILURE) {
     132             :                 return;
     133             :         }
     134             :         
     135             :         stream = php_stream_open_wrapper(arg, "rb", REPORT_ERRORS, NULL);
     136             :         if (!stream) {
     137             :                 RETURN_FALSE;
     138             :         }
     139             : 
     140             :         PHP_SHA1Init(&context);
     141             : 
     142             :         while ((n = php_stream_read(stream, buf, sizeof(buf))) > 0) {
     143             :                 PHP_SHA1Update(&context, buf, n);
     144             :         }
     145             : 
     146             :         PHP_SHA1Final(digest, &context);
     147             : 
     148             :         php_stream_close(stream);
     149             : 
     150             :         if (n<0) {
     151             :                 RETURN_FALSE;
     152             :         }
     153             : 
     154             :         if (raw_output) {
     155             :                 RETURN_STRINGL(digest, 20);
     156             :         } else {
     157             :                 make_sha1_digest(sha1str, digest);
     158             :                 RETVAL_STRING(sha1str);
     159             :         }
     160             : }
     161             : /* }}} */
     162             : 
     163             : /* F, G, H and I are basic SHA1 functions.
     164             :  */
     165             : #define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
     166             : #define G(x, y, z) ((x) ^ (y) ^ (z))
     167             : #define H(x, y, z) (((x) & (y)) | ((z) & ((x) | (y))))
     168             : #define I(x, y, z) ((x) ^ (y) ^ (z))
     169             : 
     170             : /* ROTATE_LEFT rotates x left n bits.
     171             :  */
     172             : #define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
     173             : 
     174             : /* W[i]
     175             :  */
     176             : #define W(i) ( tmp=x[(i-3)&15]^x[(i-8)&15]^x[(i-14)&15]^x[i&15], \
     177             :         (x[i&15]=ROTATE_LEFT(tmp, 1)) )  
     178             : 
     179             : /* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
     180             :  */
     181             : #define FF(a, b, c, d, e, w) { \
     182             :  (e) += F ((b), (c), (d)) + (w) + (php_hash_uint32)(0x5A827999); \
     183             :  (e) += ROTATE_LEFT ((a), 5); \
     184             :  (b) = ROTATE_LEFT((b), 30); \
     185             :   }
     186             : #define GG(a, b, c, d, e, w) { \
     187             :  (e) += G ((b), (c), (d)) + (w) + (php_hash_uint32)(0x6ED9EBA1); \
     188             :  (e) += ROTATE_LEFT ((a), 5); \
     189             :  (b) = ROTATE_LEFT((b), 30); \
     190             :   }
     191             : #define HH(a, b, c, d, e, w) { \
     192             :  (e) += H ((b), (c), (d)) + (w) + (php_hash_uint32)(0x8F1BBCDC); \
     193             :  (e) += ROTATE_LEFT ((a), 5); \
     194             :  (b) = ROTATE_LEFT((b), 30); \
     195             :   }
     196             : #define II(a, b, c, d, e, w) { \
     197             :  (e) += I ((b), (c), (d)) + (w) + (php_hash_uint32)(0xCA62C1D6); \
     198             :  (e) += ROTATE_LEFT ((a), 5); \
     199             :  (b) = ROTATE_LEFT((b), 30); \
     200             :   }
     201             :                                             
     202             : 
     203             : /* {{{ PHP_SHA1Init
     204             :  * SHA1 initialization. Begins an SHA1 operation, writing a new context.
     205             :  */
     206             : PHP_HASH_API void PHP_SHA1Init(PHP_SHA1_CTX * context)
     207             : {
     208             :         context->count[0] = context->count[1] = 0;
     209             :         /* Load magic initialization constants.
     210             :          */
     211             :         context->state[0] = 0x67452301;
     212             :         context->state[1] = 0xefcdab89;
     213             :         context->state[2] = 0x98badcfe;
     214             :         context->state[3] = 0x10325476;
     215             :         context->state[4] = 0xc3d2e1f0;
     216             : }
     217             : /* }}} */
     218             : 
     219             : /* {{{ SHA1Transform
     220             :  * SHA1 basic transformation. Transforms state based on block.
     221             :  */
     222             : static void SHA1Transform(php_hash_uint32 state[5], const unsigned char block[64])
     223             : {
     224             :         php_hash_uint32 a = state[0], b = state[1], c = state[2];
     225             :         php_hash_uint32 d = state[3], e = state[4], x[16], tmp;
     226             : 
     227             :         SHADecode32(x, block, 64);
     228             : 
     229             :         /* Round 1 */
     230             :         FF(a, b, c, d, e, x[0]);   /* 1 */
     231             :         FF(e, a, b, c, d, x[1]);   /* 2 */
     232             :         FF(d, e, a, b, c, x[2]);   /* 3 */
     233             :         FF(c, d, e, a, b, x[3]);   /* 4 */
     234             :         FF(b, c, d, e, a, x[4]);   /* 5 */
     235             :         FF(a, b, c, d, e, x[5]);   /* 6 */
     236             :         FF(e, a, b, c, d, x[6]);   /* 7 */
     237             :         FF(d, e, a, b, c, x[7]);   /* 8 */
     238             :         FF(c, d, e, a, b, x[8]);   /* 9 */
     239             :         FF(b, c, d, e, a, x[9]);   /* 10 */
     240             :         FF(a, b, c, d, e, x[10]);  /* 11 */
     241             :         FF(e, a, b, c, d, x[11]);  /* 12 */
     242             :         FF(d, e, a, b, c, x[12]);  /* 13 */
     243             :         FF(c, d, e, a, b, x[13]);  /* 14 */
     244             :         FF(b, c, d, e, a, x[14]);  /* 15 */
     245             :         FF(a, b, c, d, e, x[15]);  /* 16 */
     246             :         FF(e, a, b, c, d, W(16));  /* 17 */
     247             :         FF(d, e, a, b, c, W(17));  /* 18 */
     248             :         FF(c, d, e, a, b, W(18));  /* 19 */
     249             :         FF(b, c, d, e, a, W(19));  /* 20 */
     250             : 
     251             :         /* Round 2 */
     252             :         GG(a, b, c, d, e, W(20));  /* 21 */
     253             :         GG(e, a, b, c, d, W(21));  /* 22 */
     254             :         GG(d, e, a, b, c, W(22));  /* 23 */
     255             :         GG(c, d, e, a, b, W(23));  /* 24 */
     256             :         GG(b, c, d, e, a, W(24));  /* 25 */
     257             :         GG(a, b, c, d, e, W(25));  /* 26 */
     258             :         GG(e, a, b, c, d, W(26));  /* 27 */
     259             :         GG(d, e, a, b, c, W(27));  /* 28 */
     260             :         GG(c, d, e, a, b, W(28));  /* 29 */
     261             :         GG(b, c, d, e, a, W(29));  /* 30 */
     262             :         GG(a, b, c, d, e, W(30));  /* 31 */
     263             :         GG(e, a, b, c, d, W(31));  /* 32 */
     264             :         GG(d, e, a, b, c, W(32));  /* 33 */
     265             :         GG(c, d, e, a, b, W(33));  /* 34 */
     266             :         GG(b, c, d, e, a, W(34));  /* 35 */
     267             :         GG(a, b, c, d, e, W(35));  /* 36 */
     268             :         GG(e, a, b, c, d, W(36));  /* 37 */
     269             :         GG(d, e, a, b, c, W(37));  /* 38 */
     270             :         GG(c, d, e, a, b, W(38));  /* 39 */
     271             :         GG(b, c, d, e, a, W(39));  /* 40 */
     272             : 
     273             :         /* Round 3 */
     274             :         HH(a, b, c, d, e, W(40));  /* 41 */
     275             :         HH(e, a, b, c, d, W(41));  /* 42 */
     276             :         HH(d, e, a, b, c, W(42));  /* 43 */
     277             :         HH(c, d, e, a, b, W(43));  /* 44 */
     278             :         HH(b, c, d, e, a, W(44));  /* 45 */
     279             :         HH(a, b, c, d, e, W(45));  /* 46 */
     280             :         HH(e, a, b, c, d, W(46));  /* 47 */
     281             :         HH(d, e, a, b, c, W(47));  /* 48 */
     282             :         HH(c, d, e, a, b, W(48));  /* 49 */
     283             :         HH(b, c, d, e, a, W(49));  /* 50 */
     284             :         HH(a, b, c, d, e, W(50));  /* 51 */
     285             :         HH(e, a, b, c, d, W(51));  /* 52 */
     286             :         HH(d, e, a, b, c, W(52));  /* 53 */
     287             :         HH(c, d, e, a, b, W(53));  /* 54 */
     288             :         HH(b, c, d, e, a, W(54));  /* 55 */
     289             :         HH(a, b, c, d, e, W(55));  /* 56 */
     290             :         HH(e, a, b, c, d, W(56));  /* 57 */
     291             :         HH(d, e, a, b, c, W(57));  /* 58 */
     292             :         HH(c, d, e, a, b, W(58));  /* 59 */
     293             :         HH(b, c, d, e, a, W(59));  /* 60 */
     294             : 
     295             :         /* Round 4 */
     296             :         II(a, b, c, d, e, W(60));  /* 61 */
     297             :         II(e, a, b, c, d, W(61));  /* 62 */
     298             :         II(d, e, a, b, c, W(62));  /* 63 */
     299             :         II(c, d, e, a, b, W(63));  /* 64 */
     300             :         II(b, c, d, e, a, W(64));  /* 65 */
     301             :         II(a, b, c, d, e, W(65));  /* 66 */
     302             :         II(e, a, b, c, d, W(66));  /* 67 */
     303             :         II(d, e, a, b, c, W(67));  /* 68 */
     304             :         II(c, d, e, a, b, W(68));  /* 69 */
     305             :         II(b, c, d, e, a, W(69));  /* 70 */
     306             :         II(a, b, c, d, e, W(70));  /* 71 */
     307             :         II(e, a, b, c, d, W(71));  /* 72 */
     308             :         II(d, e, a, b, c, W(72));  /* 73 */
     309             :         II(c, d, e, a, b, W(73));  /* 74 */
     310             :         II(b, c, d, e, a, W(74));  /* 75 */
     311             :         II(a, b, c, d, e, W(75));  /* 76 */
     312             :         II(e, a, b, c, d, W(76));  /* 77 */
     313             :         II(d, e, a, b, c, W(77));  /* 78 */
     314             :         II(c, d, e, a, b, W(78));  /* 79 */
     315             :         II(b, c, d, e, a, W(79));  /* 80 */
     316             : 
     317             :         state[0] += a;
     318             :         state[1] += b;
     319             :         state[2] += c;
     320             :         state[3] += d;
     321             :         state[4] += e;
     322             : 
     323             :         /* Zeroize sensitive information. */
     324             :         ZEND_SECURE_ZERO((unsigned char*) x, sizeof(x));
     325             : }
     326             : /* }}} */
     327             : 
     328             : /* {{{ PHP_SHA1Update
     329             :    SHA1 block update operation. Continues an SHA1 message-digest
     330             :    operation, processing another message block, and updating the
     331             :    context.
     332             :  */
     333             : PHP_HASH_API void PHP_SHA1Update(PHP_SHA1_CTX * context, const unsigned char *input,
     334             :                            unsigned int inputLen)
     335             : {
     336             :         unsigned int i, index, partLen;
     337             : 
     338             :         /* Compute number of bytes mod 64 */
     339             :         index = (unsigned int) ((context->count[0] >> 3) & 0x3F);
     340             : 
     341             :         /* Update number of bits */
     342             :         if ((context->count[0] += ((php_hash_uint32) inputLen << 3))
     343             :                 < ((php_hash_uint32) inputLen << 3))
     344             :                 context->count[1]++;
     345             :         context->count[1] += ((php_hash_uint32) inputLen >> 29);
     346             : 
     347             :         partLen = 64 - index;
     348             : 
     349             :         /* Transform as many times as possible.
     350             :          */
     351             :         if (inputLen >= partLen) {
     352             :                 memcpy
     353             :                         ((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
     354             :                 SHA1Transform(context->state, context->buffer);
     355             : 
     356             :                 for (i = partLen; i + 63 < inputLen; i += 64)
     357             :                         SHA1Transform(context->state, &input[i]);
     358             : 
     359             :                 index = 0;
     360             :         } else
     361             :                 i = 0;
     362             : 
     363             :         /* Buffer remaining input */
     364             :         memcpy
     365             :                 ((unsigned char*) & context->buffer[index], (unsigned char*) & input[i],
     366             :                  inputLen - i);
     367             : }
     368             : /* }}} */
     369             : 
     370             : /* {{{ PHP_SHA1Final
     371             :    SHA1 finalization. Ends an SHA1 message-digest operation, writing the
     372             :    the message digest and zeroizing the context.
     373             :  */
     374             : PHP_HASH_API void PHP_SHA1Final(unsigned char digest[20], PHP_SHA1_CTX * context)
     375             : {
     376             :         unsigned char bits[8];
     377             :         unsigned int index, padLen;
     378             : 
     379             :         /* Save number of bits */
     380             :         bits[7] = context->count[0] & 0xFF;
     381             :         bits[6] = (context->count[0] >> 8) & 0xFF;
     382             :         bits[5] = (context->count[0] >> 16) & 0xFF;
     383             :         bits[4] = (context->count[0] >> 24) & 0xFF;
     384             :         bits[3] = context->count[1] & 0xFF;
     385             :         bits[2] = (context->count[1] >> 8) & 0xFF;
     386             :         bits[1] = (context->count[1] >> 16) & 0xFF;
     387             :         bits[0] = (context->count[1] >> 24) & 0xFF;
     388             :         
     389             :         /* Pad out to 56 mod 64.
     390             :          */
     391             :         index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
     392             :         padLen = (index < 56) ? (56 - index) : (120 - index);
     393             :         PHP_SHA1Update(context, PADDING, padLen);
     394             : 
     395             :         /* Append length (before padding) */
     396             :         PHP_SHA1Update(context, bits, 8);
     397             : 
     398             :         /* Store state in digest */
     399             :         SHAEncode32(digest, context->state, 20);
     400             : 
     401             :         /* Zeroize sensitive information.
     402             :          */
     403             :         ZEND_SECURE_ZERO((unsigned char*) context, sizeof(*context));
     404             : }
     405             : /* }}} */
     406             : 
     407             : #endif /* PHP_HASH_SHA1_NOT_IN_CORE */
     408             : 
     409             : /* sha224/sha256 */
     410             : 
     411             : const php_hash_ops php_hash_sha256_ops = {
     412             :         (php_hash_init_func_t) PHP_SHA256Init,
     413             :         (php_hash_update_func_t) PHP_SHA256Update,
     414             :         (php_hash_final_func_t) PHP_SHA256Final,
     415             :         (php_hash_copy_func_t) php_hash_copy,
     416             :         32,
     417             :         64,
     418             :         sizeof(PHP_SHA256_CTX)
     419             : };
     420             : 
     421             : const php_hash_ops php_hash_sha224_ops = {
     422             :         (php_hash_init_func_t) PHP_SHA224Init,
     423             :         (php_hash_update_func_t) PHP_SHA224Update,
     424             :         (php_hash_final_func_t) PHP_SHA224Final,
     425             :         (php_hash_copy_func_t) php_hash_copy,
     426             :         28,
     427             :         64,
     428             :         sizeof(PHP_SHA224_CTX)
     429             : };
     430             : 
     431             : #define ROTR32(b,x)             ((x >> b) | (x << (32 - b)))
     432             : #define ROTR64(b,x)             ((x >> b) | (x << (64 - b)))
     433             : #define SHR(b, x)               (x >> b)
     434             : 
     435             : /* Ch */
     436             : #define SHA256_F0(x,y,z)        (((x) & (y)) ^ ((~(x)) & (z)))
     437             : /* Maj */
     438             : #define SHA256_F1(x,y,z)        (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
     439             : /* SUM0 */
     440             : #define SHA256_F2(x)            (ROTR32( 2,(x)) ^ ROTR32(13,(x)) ^ ROTR32(22,(x)))
     441             : /* SUM1 */
     442             : #define SHA256_F3(x)            (ROTR32( 6,(x)) ^ ROTR32(11,(x)) ^ ROTR32(25,(x)))
     443             : /* OM0 */
     444             : #define SHA256_F4(x)            (ROTR32( 7,(x)) ^ ROTR32(18,(x)) ^ SHR( 3,(x)))
     445             : /* OM1 */
     446             : #define SHA256_F5(x)            (ROTR32(17,(x)) ^ ROTR32(19,(x)) ^ SHR(10,(x)))
     447             : 
     448             : static const php_hash_uint32 SHA256_K[64] = {
     449             :         0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
     450             :         0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
     451             :         0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
     452             :         0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
     453             :         0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
     454             :         0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
     455             :         0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
     456             :         0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 };
     457             : 
     458             : /* {{{ PHP_SHA256Init
     459             :  * SHA256 initialization. Begins an SHA256 operation, writing a new context.
     460             :  */
     461       24615 : PHP_HASH_API void PHP_SHA256Init(PHP_SHA256_CTX * context)
     462             : {
     463       24615 :         context->count[0] = context->count[1] = 0;
     464             :         /* Load magic initialization constants.
     465             :          */
     466       24615 :         context->state[0] = 0x6a09e667;
     467       24615 :         context->state[1] = 0xbb67ae85;
     468       24615 :         context->state[2] = 0x3c6ef372;
     469       24615 :         context->state[3] = 0xa54ff53a;
     470       24615 :         context->state[4] = 0x510e527f;
     471       24615 :         context->state[5] = 0x9b05688c;
     472       24615 :         context->state[6] = 0x1f83d9ab;
     473       24615 :         context->state[7] = 0x5be0cd19;
     474       24615 : }
     475             : /* }}} */
     476             : 
     477             : /* {{{ SHA256Transform
     478             :  * SHA256 basic transformation. Transforms state based on block.
     479             :  */
     480       80620 : static void SHA256Transform(php_hash_uint32 state[8], const unsigned char block[64])
     481             : {
     482       80620 :         php_hash_uint32 a = state[0], b = state[1], c = state[2], d = state[3];
     483       80620 :         php_hash_uint32 e = state[4], f = state[5], g = state[6], h = state[7];
     484             :         php_hash_uint32 x[16], T1, T2, W[64];
     485             :         int i;
     486             : 
     487       80620 :         SHADecode32(x, block, 64);
     488             : 
     489             :         /* Schedule */
     490     1370540 :         for(i = 0; i < 16; i++) {
     491     1289920 :                 W[i] = x[i];
     492             :         }
     493     3950380 :         for(i = 16; i < 64; i++) {
     494     3869760 :                 W[i] = SHA256_F5(W[i-2]) + W[i-7] + SHA256_F4(W[i-15]) + W[i-16];
     495             :         }
     496             : 
     497     5240300 :         for (i = 0; i < 64; i++) {
     498     5159680 :                 T1 = h + SHA256_F3(e) + SHA256_F0(e,f,g) + SHA256_K[i] + W[i];
     499     5159680 :                 T2 = SHA256_F2(a) + SHA256_F1(a,b,c);
     500     5159680 :                 h = g; g = f; f = e; e = d + T1;
     501     5159680 :                 d = c; c = b; b = a; a = T1 + T2;
     502             :         }
     503             : 
     504       80620 :         state[0] += a;
     505       80620 :         state[1] += b;
     506       80620 :         state[2] += c;
     507       80620 :         state[3] += d;
     508       80620 :         state[4] += e;
     509       80620 :         state[5] += f;
     510       80620 :         state[6] += g;
     511       80620 :         state[7] += h;
     512             : 
     513             :         /* Zeroize sensitive information. */
     514       80620 :         ZEND_SECURE_ZERO((unsigned char*) x, sizeof(x));
     515       80620 : }
     516             : /* }}} */
     517             : 
     518             : /* {{{ PHP_SHA224Init
     519             :  * SHA224 initialization. Begins an SHA224 operation, writing a new context.
     520             :  */
     521          10 : PHP_HASH_API void PHP_SHA224Init(PHP_SHA224_CTX * context)
     522             : {
     523          10 :         context->count[0] = context->count[1] = 0;
     524             :         /* Load magic initialization constants.
     525             :          */
     526          10 :         context->state[0] = 0xc1059ed8;
     527          10 :         context->state[1] = 0x367cd507;
     528          10 :         context->state[2] = 0x3070dd17;
     529          10 :         context->state[3] = 0xf70e5939;
     530          10 :         context->state[4] = 0xffc00b31;
     531          10 :         context->state[5] = 0x68581511;
     532          10 :         context->state[6] = 0x64f98fa7;
     533          10 :         context->state[7] = 0xbefa4fa4;
     534          10 : }
     535             : /* }}} */
     536             : 
     537             : /* {{{ PHP_SHA224Update
     538             :    SHA224 block update operation. Continues an SHA224 message-digest
     539             :    operation, processing another message block, and updating the
     540             :    context.
     541             :  */
     542          29 : PHP_HASH_API void PHP_SHA224Update(PHP_SHA224_CTX * context, const unsigned char *input, unsigned int inputLen)
     543             : {
     544             :         unsigned int i, index, partLen;
     545             : 
     546             :         /* Compute number of bytes mod 64 */
     547          29 :         index = (unsigned int) ((context->count[0] >> 3) & 0x3F);
     548             : 
     549             :         /* Update number of bits */
     550          29 :         if ((context->count[0] += ((php_hash_uint32) inputLen << 3)) < ((php_hash_uint32) inputLen << 3)) {
     551           0 :                 context->count[1]++;
     552             :         }
     553          29 :         context->count[1] += ((php_hash_uint32) inputLen >> 29);
     554             : 
     555          29 :         partLen = 64 - index;
     556             : 
     557             :         /* Transform as many times as possible.
     558             :          */
     559          29 :         if (inputLen >= partLen) {
     560          14 :                 memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
     561          14 :                 SHA256Transform(context->state, context->buffer);
     562             : 
     563       15638 :                 for (i = partLen; i + 63 < inputLen; i += 64) {
     564       15624 :                         SHA256Transform(context->state, &input[i]);
     565             :                 }
     566             : 
     567          14 :                 index = 0;
     568             :         } else {
     569          15 :                 i = 0;
     570             :         }
     571             : 
     572             :         /* Buffer remaining input */
     573          29 :         memcpy((unsigned char*) & context->buffer[index], (unsigned char*) & input[i], inputLen - i);
     574          29 : }
     575             : /* }}} */
     576             : 
     577             : /* {{{ PHP_SHA224Final
     578             :    SHA224 finalization. Ends an SHA224 message-digest operation, writing the
     579             :    the message digest and zeroizing the context.
     580             :  */
     581          10 : PHP_HASH_API void PHP_SHA224Final(unsigned char digest[28], PHP_SHA224_CTX * context)
     582             : {
     583             :         unsigned char bits[8];
     584             :         unsigned int index, padLen;
     585             : 
     586             :         /* Save number of bits */
     587          10 :         bits[7] = (unsigned char) (context->count[0] & 0xFF);
     588          10 :         bits[6] = (unsigned char) ((context->count[0] >> 8) & 0xFF);
     589          10 :         bits[5] = (unsigned char) ((context->count[0] >> 16) & 0xFF);
     590          10 :         bits[4] = (unsigned char) ((context->count[0] >> 24) & 0xFF);
     591          10 :         bits[3] = (unsigned char) (context->count[1] & 0xFF);
     592          10 :         bits[2] = (unsigned char) ((context->count[1] >> 8) & 0xFF);
     593          10 :         bits[1] = (unsigned char) ((context->count[1] >> 16) & 0xFF);
     594          10 :         bits[0] = (unsigned char) ((context->count[1] >> 24) & 0xFF);
     595             : 
     596             :         /* Pad out to 56 mod 64.
     597             :          */
     598          10 :         index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
     599          10 :         padLen = (index < 56) ? (56 - index) : (120 - index);
     600          10 :         PHP_SHA224Update(context, PADDING, padLen);
     601             : 
     602             :         /* Append length (before padding) */
     603          10 :         PHP_SHA224Update(context, bits, 8);
     604             : 
     605             :         /* Store state in digest */
     606          10 :         SHAEncode32(digest, context->state, 28);
     607             : 
     608             :         /* Zeroize sensitive information.
     609             :          */
     610          10 :         ZEND_SECURE_ZERO((unsigned char*) context, sizeof(*context));
     611          10 : }
     612             : /* }}} */
     613             : 
     614             : /* {{{ PHP_SHA256Update
     615             :    SHA256 block update operation. Continues an SHA256 message-digest
     616             :    operation, processing another message block, and updating the
     617             :    context.
     618             :  */
     619       98426 : PHP_HASH_API void PHP_SHA256Update(PHP_SHA256_CTX * context, const unsigned char *input, unsigned int inputLen)
     620             : {
     621             :         unsigned int i, index, partLen;
     622             : 
     623             :         /* Compute number of bytes mod 64 */
     624       98426 :         index = (unsigned int) ((context->count[0] >> 3) & 0x3F);
     625             : 
     626             :         /* Update number of bits */
     627       98426 :         if ((context->count[0] += ((php_hash_uint32) inputLen << 3)) < ((php_hash_uint32) inputLen << 3)) {
     628           0 :                 context->count[1]++;
     629             :         }
     630       98426 :         context->count[1] += ((php_hash_uint32) inputLen >> 29);
     631             : 
     632       98426 :         partLen = 64 - index;
     633             : 
     634             :         /* Transform as many times as possible.
     635             :          */
     636       98426 :         if (inputLen >= partLen) {
     637       49222 :                 memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
     638       49222 :                 SHA256Transform(context->state, context->buffer);
     639             : 
     640       64982 :                 for (i = partLen; i + 63 < inputLen; i += 64) {
     641       15760 :                         SHA256Transform(context->state, &input[i]);
     642             :                 }
     643             : 
     644       49222 :                 index = 0;
     645             :         } else {
     646       49204 :                 i = 0;
     647             :         }
     648             : 
     649             :         /* Buffer remaining input */
     650       98426 :         memcpy((unsigned char*) & context->buffer[index], (unsigned char*) & input[i], inputLen - i);
     651       98426 : }
     652             : /* }}} */
     653             : 
     654             : /* {{{ PHP_SHA256Final
     655             :    SHA256 finalization. Ends an SHA256 message-digest operation, writing the
     656             :    the message digest and zeroizing the context.
     657             :  */
     658       24610 : PHP_HASH_API void PHP_SHA256Final(unsigned char digest[32], PHP_SHA256_CTX * context)
     659             : {
     660             :         unsigned char bits[8];
     661             :         unsigned int index, padLen;
     662             : 
     663             :         /* Save number of bits */
     664       24610 :         bits[7] = (unsigned char) (context->count[0] & 0xFF);
     665       24610 :         bits[6] = (unsigned char) ((context->count[0] >> 8) & 0xFF);
     666       24610 :         bits[5] = (unsigned char) ((context->count[0] >> 16) & 0xFF);
     667       24610 :         bits[4] = (unsigned char) ((context->count[0] >> 24) & 0xFF);
     668       24610 :         bits[3] = (unsigned char) (context->count[1] & 0xFF);
     669       24610 :         bits[2] = (unsigned char) ((context->count[1] >> 8) & 0xFF);
     670       24610 :         bits[1] = (unsigned char) ((context->count[1] >> 16) & 0xFF);
     671       24610 :         bits[0] = (unsigned char) ((context->count[1] >> 24) & 0xFF);
     672             :         
     673             :         /* Pad out to 56 mod 64.
     674             :          */
     675       24610 :         index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
     676       24610 :         padLen = (index < 56) ? (56 - index) : (120 - index);
     677       24610 :         PHP_SHA256Update(context, PADDING, padLen);
     678             : 
     679             :         /* Append length (before padding) */
     680       24610 :         PHP_SHA256Update(context, bits, 8);
     681             : 
     682             :         /* Store state in digest */
     683       24610 :         SHAEncode32(digest, context->state, 32);
     684             : 
     685             :         /* Zeroize sensitive information.
     686             :          */
     687       24610 :         ZEND_SECURE_ZERO((unsigned char*) context, sizeof(*context));
     688       24610 : }
     689             : /* }}} */
     690             : 
     691             : /* sha384/sha512 */
     692             : 
     693             : /* Ch */
     694             : #define SHA512_F0(x,y,z)                (((x) & (y)) ^ ((~(x)) & (z)))
     695             : /* Maj */
     696             : #define SHA512_F1(x,y,z)                (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
     697             : /* SUM0 */
     698             : #define SHA512_F2(x)                    (ROTR64(28, x) ^ ROTR64(34, x) ^ ROTR64(39, x))
     699             : /* SUM1 */
     700             : #define SHA512_F3(x)                    (ROTR64(14, x) ^ ROTR64(18, x) ^ ROTR64(41, x))
     701             : /* OM0 */
     702             : #define SHA512_F4(x)                    (ROTR64( 1, x) ^ ROTR64( 8, x) ^ SHR(7, x))
     703             : /* OM1 */
     704             : #define SHA512_F5(x)                    (ROTR64(19, x) ^ ROTR64(61, x) ^ SHR(6, x))
     705             : 
     706             : static const php_hash_uint64 SHA512_K[128] = {
     707             :         L64(0x428a2f98d728ae22), L64(0x7137449123ef65cd), L64(0xb5c0fbcfec4d3b2f), L64(0xe9b5dba58189dbbc),
     708             :         L64(0x3956c25bf348b538), L64(0x59f111f1b605d019), L64(0x923f82a4af194f9b), L64(0xab1c5ed5da6d8118),
     709             :         L64(0xd807aa98a3030242), L64(0x12835b0145706fbe), L64(0x243185be4ee4b28c), L64(0x550c7dc3d5ffb4e2),
     710             :         L64(0x72be5d74f27b896f), L64(0x80deb1fe3b1696b1), L64(0x9bdc06a725c71235), L64(0xc19bf174cf692694),
     711             :         L64(0xe49b69c19ef14ad2), L64(0xefbe4786384f25e3), L64(0x0fc19dc68b8cd5b5), L64(0x240ca1cc77ac9c65),
     712             :         L64(0x2de92c6f592b0275), L64(0x4a7484aa6ea6e483), L64(0x5cb0a9dcbd41fbd4), L64(0x76f988da831153b5),
     713             :         L64(0x983e5152ee66dfab), L64(0xa831c66d2db43210), L64(0xb00327c898fb213f), L64(0xbf597fc7beef0ee4),
     714             :         L64(0xc6e00bf33da88fc2), L64(0xd5a79147930aa725), L64(0x06ca6351e003826f), L64(0x142929670a0e6e70),
     715             :         L64(0x27b70a8546d22ffc), L64(0x2e1b21385c26c926), L64(0x4d2c6dfc5ac42aed), L64(0x53380d139d95b3df),
     716             :         L64(0x650a73548baf63de), L64(0x766a0abb3c77b2a8), L64(0x81c2c92e47edaee6), L64(0x92722c851482353b),
     717             :         L64(0xa2bfe8a14cf10364), L64(0xa81a664bbc423001), L64(0xc24b8b70d0f89791), L64(0xc76c51a30654be30),
     718             :         L64(0xd192e819d6ef5218), L64(0xd69906245565a910), L64(0xf40e35855771202a), L64(0x106aa07032bbd1b8),
     719             :         L64(0x19a4c116b8d2d0c8), L64(0x1e376c085141ab53), L64(0x2748774cdf8eeb99), L64(0x34b0bcb5e19b48a8),
     720             :         L64(0x391c0cb3c5c95a63), L64(0x4ed8aa4ae3418acb), L64(0x5b9cca4f7763e373), L64(0x682e6ff3d6b2b8a3),
     721             :         L64(0x748f82ee5defb2fc), L64(0x78a5636f43172f60), L64(0x84c87814a1f0ab72), L64(0x8cc702081a6439ec),
     722             :         L64(0x90befffa23631e28), L64(0xa4506cebde82bde9), L64(0xbef9a3f7b2c67915), L64(0xc67178f2e372532b),
     723             :         L64(0xca273eceea26619c), L64(0xd186b8c721c0c207), L64(0xeada7dd6cde0eb1e), L64(0xf57d4f7fee6ed178),
     724             :         L64(0x06f067aa72176fba), L64(0x0a637dc5a2c898a6), L64(0x113f9804bef90dae), L64(0x1b710b35131c471b),
     725             :         L64(0x28db77f523047d84), L64(0x32caab7b40c72493), L64(0x3c9ebe0a15c9bebc), L64(0x431d67c49c100d4c),
     726             :         L64(0x4cc5d4becb3e42b6), L64(0x597f299cfc657e2a), L64(0x5fcb6fab3ad6faec), L64(0x6c44198c4a475817) };
     727             : 
     728             : /* {{{ SHAEncode64
     729             :    Encodes input (php_hash_uint64) into output (unsigned char). Assumes len is
     730             :    a multiple of 8.
     731             :  */
     732          38 : static void SHAEncode64(unsigned char *output, php_hash_uint64 *input, unsigned int len)
     733             : {
     734             :         unsigned int i, j;
     735             : 
     736         312 :         for (i = 0, j = 0; j < len; i++, j += 8) {
     737         274 :                 output[j] = (unsigned char) ((input[i] >> 56) & 0xff);
     738         274 :                 output[j + 1] = (unsigned char) ((input[i] >> 48) & 0xff);
     739         274 :                 output[j + 2] = (unsigned char) ((input[i] >> 40) & 0xff);
     740         274 :                 output[j + 3] = (unsigned char) ((input[i] >> 32) & 0xff);
     741         274 :                 output[j + 4] = (unsigned char) ((input[i] >> 24) & 0xff);
     742         274 :                 output[j + 5] = (unsigned char) ((input[i] >> 16) & 0xff);
     743         274 :                 output[j + 6] = (unsigned char) ((input[i] >> 8) & 0xff);
     744         274 :                 output[j + 7] = (unsigned char) (input[i] & 0xff);
     745             :         }
     746          38 : }
     747             : /* }}} */
     748             : 
     749             : 
     750             : /* {{{ SHADecode64
     751             :    Decodes input (unsigned char) into output (php_hash_uint64). Assumes len is
     752             :    a multiple of 8.
     753             :  */
     754       15744 : static void SHADecode64(php_hash_uint64 *output, const unsigned char *input, unsigned int len)
     755             : {
     756             :         unsigned int i, j;
     757             : 
     758      267648 :         for (i = 0, j = 0; j < len; i++, j += 8)
     759      503808 :                 output[i] = 
     760      503808 :                         ((php_hash_uint64) input[j + 7]) | (((php_hash_uint64) input[j + 6]) << 8) |
     761      251904 :                         (((php_hash_uint64) input[j + 5]) << 16) | (((php_hash_uint64) input[j + 4]) << 24) |
     762      251904 :                         (((php_hash_uint64) input[j + 3]) << 32) | (((php_hash_uint64) input[j + 2]) << 40) |
     763      251904 :                         (((php_hash_uint64) input[j + 1]) << 48) | (((php_hash_uint64) input[j]) << 56);
     764       15744 : }
     765             : /* }}} */
     766             : 
     767             : /* {{{ PHP_SHA384Init
     768             :  * SHA384 initialization. Begins an SHA384 operation, writing a new context.
     769             :  */
     770          15 : PHP_HASH_API void PHP_SHA384Init(PHP_SHA384_CTX * context)
     771             : {
     772          15 :         context->count[0] = context->count[1] = 0;
     773             :         /* Load magic initialization constants.
     774             :          */
     775          15 :         context->state[0] = L64(0xcbbb9d5dc1059ed8);
     776          15 :         context->state[1] = L64(0x629a292a367cd507);
     777          15 :         context->state[2] = L64(0x9159015a3070dd17);
     778          15 :         context->state[3] = L64(0x152fecd8f70e5939);
     779          15 :         context->state[4] = L64(0x67332667ffc00b31);
     780          15 :         context->state[5] = L64(0x8eb44a8768581511);
     781          15 :         context->state[6] = L64(0xdb0c2e0d64f98fa7);
     782          15 :         context->state[7] = L64(0x47b5481dbefa4fa4);
     783          15 : }
     784             : /* }}} */
     785             : 
     786             : /* {{{ SHA512Transform
     787             :  * SHA512 basic transformation. Transforms state based on block.
     788             :  * SHA384 uses the exact same algorithm
     789             :  */
     790       15744 : static void SHA512Transform(php_hash_uint64 state[8], const unsigned char block[128])
     791             : {
     792       15744 :         php_hash_uint64 a = state[0], b = state[1], c = state[2], d = state[3];
     793       15744 :         php_hash_uint64 e = state[4], f = state[5], g = state[6], h = state[7];
     794             :         php_hash_uint64 x[16], T1, T2, W[80];
     795             :         int i;
     796             : 
     797       15744 :         SHADecode64(x, block, 128);
     798             : 
     799             :         /* Schedule */
     800      267648 :         for(i = 0; i < 16; i++) {
     801      251904 :                 W[i] = x[i];
     802             :         }
     803     1023360 :         for(i = 16; i < 80; i++) {
     804     1007616 :                 W[i] = SHA512_F5(W[i-2]) + W[i-7] + SHA512_F4(W[i-15]) + W[i-16];
     805             :         }
     806             : 
     807     1275264 :         for (i = 0; i < 80; i++) {
     808     1259520 :                 T1 = h + SHA512_F3(e) + SHA512_F0(e,f,g) + SHA512_K[i] + W[i];
     809     1259520 :                 T2 = SHA512_F2(a) + SHA512_F1(a,b,c);
     810     1259520 :                 h = g; g = f; f = e; e = d + T1;
     811     1259520 :                 d = c; c = b; b = a; a = T1 + T2;
     812             :         }
     813             : 
     814       15744 :         state[0] += a;
     815       15744 :         state[1] += b;
     816       15744 :         state[2] += c;
     817       15744 :         state[3] += d;
     818       15744 :         state[4] += e;
     819       15744 :         state[5] += f;
     820       15744 :         state[6] += g;
     821       15744 :         state[7] += h;
     822             : 
     823             :         /* Zeroize sensitive information. */
     824       15744 :         ZEND_SECURE_ZERO((unsigned char*) x, sizeof(x));
     825       15744 : }
     826             : /* }}} */
     827             : 
     828             : /* {{{ PHP_SHA384Update
     829             :    SHA384 block update operation. Continues an SHA384 message-digest
     830             :    operation, processing another message block, and updating the
     831             :    context.
     832             :  */
     833          48 : PHP_HASH_API void PHP_SHA384Update(PHP_SHA384_CTX * context, const unsigned char *input, unsigned int inputLen)
     834             : {
     835             :         unsigned int i, index, partLen;
     836             : 
     837             :         /* Compute number of bytes mod 128 */
     838          48 :         index = (unsigned int) ((context->count[0] >> 3) & 0x7F);
     839             : 
     840             :         /* Update number of bits */
     841          48 :         if ((context->count[0] += ((php_hash_uint64) inputLen << 3)) < ((php_hash_uint64) inputLen << 3)) {
     842           0 :                 context->count[1]++;
     843             :         }
     844          48 :         context->count[1] += ((php_hash_uint64) inputLen >> 61);
     845             : 
     846          48 :         partLen = 128 - index;
     847             : 
     848             :         /* Transform as many times as possible.
     849             :          */
     850          48 :         if (inputLen >= partLen) {
     851          21 :                 memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
     852          21 :                 SHA512Transform(context->state, context->buffer);
     853             : 
     854        7832 :                 for (i = partLen; i + 127 < inputLen; i += 128) {
     855        7811 :                         SHA512Transform(context->state, &input[i]);
     856             :                 }
     857             : 
     858          21 :                 index = 0;
     859             :         } else {
     860          27 :                 i = 0;
     861             :         }
     862             : 
     863             :         /* Buffer remaining input */
     864          48 :         memcpy((unsigned char*) & context->buffer[index], (unsigned char*) & input[i], inputLen - i);
     865          48 : }
     866             : /* }}} */
     867             : 
     868             : /* {{{ PHP_SHA384Final
     869             :    SHA384 finalization. Ends an SHA384 message-digest operation, writing the
     870             :    the message digest and zeroizing the context.
     871             :  */
     872          15 : PHP_HASH_API void PHP_SHA384Final(unsigned char digest[48], PHP_SHA384_CTX * context)
     873             : {
     874             :         unsigned char bits[16];
     875             :         unsigned int index, padLen;
     876             : 
     877             :         /* Save number of bits */
     878          15 :         bits[15] = (unsigned char) (context->count[0] & 0xFF);
     879          15 :         bits[14] = (unsigned char) ((context->count[0] >> 8) & 0xFF);
     880          15 :         bits[13] = (unsigned char) ((context->count[0] >> 16) & 0xFF);
     881          15 :         bits[12] = (unsigned char) ((context->count[0] >> 24) & 0xFF);
     882          15 :         bits[11] = (unsigned char) ((context->count[0] >> 32) & 0xFF);
     883          15 :         bits[10] = (unsigned char) ((context->count[0] >> 40) & 0xFF);
     884          15 :         bits[9]  = (unsigned char) ((context->count[0] >> 48) & 0xFF);
     885          15 :         bits[8]  = (unsigned char) ((context->count[0] >> 56) & 0xFF);
     886          15 :         bits[7]  = (unsigned char) (context->count[1] & 0xFF);
     887          15 :         bits[6]  = (unsigned char) ((context->count[1] >> 8) & 0xFF);
     888          15 :         bits[5]  = (unsigned char) ((context->count[1] >> 16) & 0xFF);
     889          15 :         bits[4]  = (unsigned char) ((context->count[1] >> 24) & 0xFF);
     890          15 :         bits[3]  = (unsigned char) ((context->count[1] >> 32) & 0xFF);
     891          15 :         bits[2]  = (unsigned char) ((context->count[1] >> 40) & 0xFF);
     892          15 :         bits[1]  = (unsigned char) ((context->count[1] >> 48) & 0xFF);
     893          15 :         bits[0]  = (unsigned char) ((context->count[1] >> 56) & 0xFF);
     894             :         
     895             :         /* Pad out to 112 mod 128.
     896             :          */
     897          15 :         index = (unsigned int) ((context->count[0] >> 3) & 0x7f);
     898          15 :         padLen = (index < 112) ? (112 - index) : (240 - index);
     899          15 :         PHP_SHA384Update(context, PADDING, padLen);
     900             : 
     901             :         /* Append length (before padding) */
     902          15 :         PHP_SHA384Update(context, bits, 16);
     903             : 
     904             :         /* Store state in digest */
     905          15 :         SHAEncode64(digest, context->state, 48);
     906             : 
     907             :         /* Zeroize sensitive information.
     908             :          */
     909          15 :         ZEND_SECURE_ZERO((unsigned char*) context, sizeof(*context));
     910          15 : }
     911             : /* }}} */
     912             : 
     913             : const php_hash_ops php_hash_sha384_ops = {
     914             :         (php_hash_init_func_t) PHP_SHA384Init,
     915             :         (php_hash_update_func_t) PHP_SHA384Update,
     916             :         (php_hash_final_func_t) PHP_SHA384Final,
     917             :         (php_hash_copy_func_t) php_hash_copy,
     918             :         48,
     919             :         128,
     920             :         sizeof(PHP_SHA384_CTX)
     921             : };
     922             : 
     923             : /* {{{ PHP_SHA512Init
     924             :  * SHA512 initialization. Begins an SHA512 operation, writing a new context.
     925             :  */
     926          23 : PHP_HASH_API void PHP_SHA512Init(PHP_SHA512_CTX * context)
     927             : {
     928          23 :         context->count[0] = context->count[1] = 0;
     929             :         /* Load magic initialization constants.
     930             :          */
     931          23 :         context->state[0] = L64(0x6a09e667f3bcc908);
     932          23 :         context->state[1] = L64(0xbb67ae8584caa73b);
     933          23 :         context->state[2] = L64(0x3c6ef372fe94f82b);
     934          23 :         context->state[3] = L64(0xa54ff53a5f1d36f1);
     935          23 :         context->state[4] = L64(0x510e527fade682d1);
     936          23 :         context->state[5] = L64(0x9b05688c2b3e6c1f);
     937          23 :         context->state[6] = L64(0x1f83d9abfb41bd6b);
     938          23 :         context->state[7] = L64(0x5be0cd19137e2179);
     939          23 : }
     940             : /* }}} */
     941             : 
     942             : /* {{{ PHP_SHA512Update
     943             :    SHA512 block update operation. Continues an SHA512 message-digest
     944             :    operation, processing another message block, and updating the
     945             :    context.
     946             :  */
     947          81 : PHP_HASH_API void PHP_SHA512Update(PHP_SHA512_CTX * context, const unsigned char *input, unsigned int inputLen)
     948             : {
     949             :         unsigned int i, index, partLen;
     950             : 
     951             :         /* Compute number of bytes mod 128 */
     952          81 :         index = (unsigned int) ((context->count[0] >> 3) & 0x7F);
     953             : 
     954             :         /* Update number of bits */
     955          81 :         if ((context->count[0] += ((php_hash_uint64) inputLen << 3)) < ((php_hash_uint64) inputLen << 3)) {
     956           0 :                 context->count[1]++;
     957             :         }
     958          81 :         context->count[1] += ((php_hash_uint64) inputLen >> 61);
     959             : 
     960          81 :         partLen = 128 - index;
     961             : 
     962             :         /* Transform as many times as possible.
     963             :          */
     964          81 :         if (inputLen >= partLen) {
     965          40 :                 memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
     966          40 :                 SHA512Transform(context->state, context->buffer);
     967             : 
     968        7912 :                 for (i = partLen; i + 127 < inputLen; i += 128) {
     969        7872 :                         SHA512Transform(context->state, &input[i]);
     970             :                 }
     971             : 
     972          40 :                 index = 0;
     973             :         } else {
     974          41 :                 i = 0;
     975             :         }
     976             : 
     977             :         /* Buffer remaining input */
     978          81 :         memcpy((unsigned char*) & context->buffer[index], (unsigned char*) & input[i], inputLen - i);
     979          81 : }
     980             : /* }}} */
     981             : 
     982             : /* {{{ PHP_SHA512Final
     983             :    SHA512 finalization. Ends an SHA512 message-digest operation, writing the
     984             :    the message digest and zeroizing the context.
     985             :  */
     986          23 : PHP_HASH_API void PHP_SHA512Final(unsigned char digest[64], PHP_SHA512_CTX * context)
     987             : {
     988             :         unsigned char bits[16];
     989             :         unsigned int index, padLen;
     990             : 
     991             :         /* Save number of bits */
     992          23 :         bits[15] = (unsigned char) (context->count[0] & 0xFF);
     993          23 :         bits[14] = (unsigned char) ((context->count[0] >> 8) & 0xFF);
     994          23 :         bits[13] = (unsigned char) ((context->count[0] >> 16) & 0xFF);
     995          23 :         bits[12] = (unsigned char) ((context->count[0] >> 24) & 0xFF);
     996          23 :         bits[11] = (unsigned char) ((context->count[0] >> 32) & 0xFF);
     997          23 :         bits[10] = (unsigned char) ((context->count[0] >> 40) & 0xFF);
     998          23 :         bits[9]  = (unsigned char) ((context->count[0] >> 48) & 0xFF);
     999          23 :         bits[8]  = (unsigned char) ((context->count[0] >> 56) & 0xFF);
    1000          23 :         bits[7]  = (unsigned char) (context->count[1] & 0xFF);
    1001          23 :         bits[6]  = (unsigned char) ((context->count[1] >> 8) & 0xFF);
    1002          23 :         bits[5]  = (unsigned char) ((context->count[1] >> 16) & 0xFF);
    1003          23 :         bits[4]  = (unsigned char) ((context->count[1] >> 24) & 0xFF);
    1004          23 :         bits[3]  = (unsigned char) ((context->count[1] >> 32) & 0xFF);
    1005          23 :         bits[2]  = (unsigned char) ((context->count[1] >> 40) & 0xFF);
    1006          23 :         bits[1]  = (unsigned char) ((context->count[1] >> 48) & 0xFF);
    1007          23 :         bits[0]  = (unsigned char) ((context->count[1] >> 56) & 0xFF);
    1008             : 
    1009             :         /* Pad out to 112 mod 128.
    1010             :          */
    1011          23 :         index = (unsigned int) ((context->count[0] >> 3) & 0x7f);
    1012          23 :         padLen = (index < 112) ? (112 - index) : (240 - index);
    1013          23 :         PHP_SHA512Update(context, PADDING, padLen);
    1014             : 
    1015             :         /* Append length (before padding) */
    1016          23 :         PHP_SHA512Update(context, bits, 16);
    1017             : 
    1018             :         /* Store state in digest */
    1019          23 :         SHAEncode64(digest, context->state, 64);
    1020             : 
    1021             :         /* Zeroize sensitive information.
    1022             :          */
    1023          23 :         ZEND_SECURE_ZERO((unsigned char*) context, sizeof(*context));
    1024          23 : }
    1025             : /* }}} */
    1026             : 
    1027             : const php_hash_ops php_hash_sha512_ops = {
    1028             :         (php_hash_init_func_t) PHP_SHA512Init,
    1029             :         (php_hash_update_func_t) PHP_SHA512Update,
    1030             :         (php_hash_final_func_t) PHP_SHA512Final,
    1031             :         (php_hash_copy_func_t) php_hash_copy,
    1032             :         64,
    1033             :         128,
    1034             :         sizeof(PHP_SHA512_CTX)
    1035             : };
    1036             : 
    1037             : /*
    1038             :  * Local variables:
    1039             :  * tab-width: 4
    1040             :  * c-basic-offset: 4
    1041             :  * End:
    1042             :  * vim600: sw=4 ts=4 fdm=marker
    1043             :  * vim<600: sw=4 ts=4
    1044             :  */

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Generated at Sat, 13 Dec 2014 06:16:13 +0000 (6 days ago)

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