Hugging Face's logo

Datasets:
meddyrat
/
dis-bench

Modalities:
Tabular
Text
Formats:
parquet
Size:
1K - 10K
Libraries:
Datasets
pandas
Polars
Dataset card Data Studio Files
xet
 Community
1
dis-bench / src /php /php-src /ext /hash /hash_md.c
meddyrat's picture
meddyrat
Replace repository contents with the original corrected artifact
1e94262
Raw History Blame Contribute Delete
11 kB
/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Taken from: ext/standard/md5.c |
+----------------------------------------------------------------------+
*/
#include "php_hash.h"
#include "php_hash_md.h"
const php_hash_ops php_hash_md5_ops = {
"md5",
(php_hash_init_func_t) PHP_MD5InitArgs,
(php_hash_update_func_t) PHP_MD5Update,
(php_hash_final_func_t) PHP_MD5Final,
php_hash_copy,
php_hash_serialize,
php_hash_unserialize,
PHP_MD5_SPEC,
16,
64,
sizeof(PHP_MD5_CTX),
1
};
const php_hash_ops php_hash_md4_ops = {
"md4",
(php_hash_init_func_t) PHP_MD4InitArgs,
(php_hash_update_func_t) PHP_MD4Update,
(php_hash_final_func_t) PHP_MD4Final,
php_hash_copy,
php_hash_serialize,
php_hash_unserialize,
PHP_MD4_SPEC,
16,
64,
sizeof(PHP_MD4_CTX),
1
};
static int php_md2_unserialize(php_hashcontext_object *hash, zend_long magic, const zval *zv);
const php_hash_ops php_hash_md2_ops = {
"md2",
(php_hash_init_func_t) PHP_MD2InitArgs,
(php_hash_update_func_t) PHP_MD2Update,
(php_hash_final_func_t) PHP_MD2Final,
php_hash_copy,
php_hash_serialize,
php_md2_unserialize,
PHP_MD2_SPEC,
16,
16,
sizeof(PHP_MD2_CTX),
1
};
/* MD common stuff */
static const unsigned char PADDING[64] =
{
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/* {{{ Encode
Encodes input (uint32_t) into output (unsigned char). Assumes len is
a multiple of 4.
*/
static void Encode(unsigned char *output, uint32_t *input, unsigned int len)
{
unsigned int i, j;
for (i = 0, j = 0; j < len; i++, j += 4) {
output[j] = (unsigned char) (input[i] & 0xff);
output[j + 1] = (unsigned char) ((input[i] >> 8) & 0xff);
output[j + 2] = (unsigned char) ((input[i] >> 16) & 0xff);
output[j + 3] = (unsigned char) ((input[i] >> 24) & 0xff);
}
}
/* }}} */
/* {{{ Decode
Decodes input (unsigned char) into output (uint32_t). Assumes len is
a multiple of 4.
*/
static void Decode(uint32_t *output, const unsigned char *input, unsigned int len)
{
unsigned int i, j;
for (i = 0, j = 0; j < len; i++, j += 4)
output[i] = ((uint32_t) input[j]) | (((uint32_t) input[j + 1]) << 8) |
(((uint32_t) input[j + 2]) << 16) | (((uint32_t) input[j + 3]) << 24);
}
/* }}} */
/* MD4 */
#define MD4_F(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))
#define MD4_G(x,y,z) (((x) & ((y) | (z))) | ((y) & (z)))
#define MD4_H(x,y,z) ((x) ^ (y) ^ (z))
#define ROTL32(s,v) (((v) << (s)) | ((v) >> (32 - (s))))
#define MD4_R1(a,b,c,d,k,s) a = ROTL32(s, a + MD4_F(b,c,d) + x[k])
#define MD4_R2(a,b,c,d,k,s) a = ROTL32(s, a + MD4_G(b,c,d) + x[k] + 0x5A827999)
#define MD4_R3(a,b,c,d,k,s) a = ROTL32(s, a + MD4_H(b,c,d) + x[k] + 0x6ED9EBA1)
static void MD4Transform(uint32_t state[4], const unsigned char block[64])
{
uint32_t a = state[0], b = state[1], c = state[2], d = state[3], x[16];
Decode(x, block, 64);
/* Round 1 */
MD4_R1(a,b,c,d, 0, 3);
MD4_R1(d,a,b,c, 1, 7);
MD4_R1(c,d,a,b, 2,11);
MD4_R1(b,c,d,a, 3,19);
MD4_R1(a,b,c,d, 4, 3);
MD4_R1(d,a,b,c, 5, 7);
MD4_R1(c,d,a,b, 6,11);
MD4_R1(b,c,d,a, 7,19);
MD4_R1(a,b,c,d, 8, 3);
MD4_R1(d,a,b,c, 9, 7);
MD4_R1(c,d,a,b,10,11);
MD4_R1(b,c,d,a,11,19);
MD4_R1(a,b,c,d,12, 3);
MD4_R1(d,a,b,c,13, 7);
MD4_R1(c,d,a,b,14,11);
MD4_R1(b,c,d,a,15,19);
/* Round 2 */
MD4_R2(a,b,c,d, 0, 3);
MD4_R2(d,a,b,c, 4, 5);
MD4_R2(c,d,a,b, 8, 9);
MD4_R2(b,c,d,a,12,13);
MD4_R2(a,b,c,d, 1, 3);
MD4_R2(d,a,b,c, 5, 5);
MD4_R2(c,d,a,b, 9, 9);
MD4_R2(b,c,d,a,13,13);
MD4_R2(a,b,c,d, 2, 3);
MD4_R2(d,a,b,c, 6, 5);
MD4_R2(c,d,a,b,10, 9);
MD4_R2(b,c,d,a,14,13);
MD4_R2(a,b,c,d, 3, 3);
MD4_R2(d,a,b,c, 7, 5);
MD4_R2(c,d,a,b,11, 9);
MD4_R2(b,c,d,a,15,13);
/* Round 3 */
MD4_R3(a,b,c,d, 0, 3);
MD4_R3(d,a,b,c, 8, 9);
MD4_R3(c,d,a,b, 4,11);
MD4_R3(b,c,d,a,12,15);
MD4_R3(a,b,c,d, 2, 3);
MD4_R3(d,a,b,c,10, 9);
MD4_R3(c,d,a,b, 6,11);
MD4_R3(b,c,d,a,14,15);
MD4_R3(a,b,c,d, 1, 3);
MD4_R3(d,a,b,c, 9, 9);
MD4_R3(c,d,a,b, 5,11);
MD4_R3(b,c,d,a,13,15);
MD4_R3(a,b,c,d, 3, 3);
MD4_R3(d,a,b,c,11, 9);
MD4_R3(c,d,a,b, 7,11);
MD4_R3(b,c,d,a,15,15);
state[0] += a;
state[1] += b;
state[2] += c;
state[3] += d;
}
/* {{{ PHP_MD4InitArgs
* MD4 initialization. Begins an MD4 operation, writing a new context.
*/
PHP_HASH_API void PHP_MD4InitArgs(PHP_MD4_CTX * context, ZEND_ATTRIBUTE_UNUSED HashTable *args)
{
context->count[0] = context->count[1] = 0;
/* Load magic initialization constants.
*/
context->state[0] = 0x67452301;
context->state[1] = 0xefcdab89;
context->state[2] = 0x98badcfe;
context->state[3] = 0x10325476;
}
/* }}} */
/* {{{ PHP_MD4Update
MD4 block update operation. Continues an MD4 message-digest
operation, processing another message block, and updating the
context.
*/
PHP_HASH_API void PHP_MD4Update(PHP_MD4_CTX * context, const unsigned char *input, size_t inputLen)
{
unsigned int index, partLen;
size_t i;
/* Compute number of bytes mod 64 */
index = (unsigned int) ((context->count[0] >> 3) & 0x3F);
/* Update number of bits */
if ((context->count[0] += ((uint32_t) inputLen << 3))
< ((uint32_t) inputLen << 3))
context->count[1]++;
context->count[1] += (uint32_t) (inputLen >> 29);
partLen = 64 - index;
/* Transform as many times as possible.
*/
if (inputLen >= partLen) {
memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
MD4Transform(context->state, context->buffer);
for (i = partLen; i + 63 < inputLen; i += 64) {
MD4Transform(context->state, &input[i]);
}
index = 0;
} else {
i = 0;
}
/* Buffer remaining input */
memcpy((unsigned char*) & context->buffer[index], (unsigned char*) & input[i], inputLen - i);
}
/* }}} */
/* {{{ PHP_MD4Final
MD4 finalization. Ends an MD4 message-digest operation, writing
the message digest and zeroizing the context.
*/
PHP_HASH_API void PHP_MD4Final(unsigned char digest[16], PHP_MD4_CTX * context)
{
unsigned char bits[8];
unsigned int index, padLen;
/* Save number of bits */
Encode(bits, context->count, 8);
/* Pad out to 56 mod 64.
*/
index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
padLen = (index < 56) ? (56 - index) : (120 - index);
PHP_MD4Update(context, PADDING, padLen);
/* Append length (before padding) */
PHP_MD4Update(context, bits, 8);
/* Store state in digest */
Encode(digest, context->state, 16);
/* Zeroize sensitive information.
*/
ZEND_SECURE_ZERO((unsigned char*) context, sizeof(*context));
}
/* }}} */
/* MD2 */
static const unsigned char MD2_S[256] = {
41, 46, 67, 201, 162, 216, 124, 1, 61, 54, 84, 161, 236, 240, 6, 19,
98, 167, 5, 243, 192, 199, 115, 140, 152, 147, 43, 217, 188, 76, 130, 202,
30, 155, 87, 60, 253, 212, 224, 22, 103, 66, 111, 24, 138, 23, 229, 18,
190, 78, 196, 214, 218, 158, 222, 73, 160, 251, 245, 142, 187, 47, 238, 122,
169, 104, 121, 145, 21, 178, 7, 63, 148, 194, 16, 137, 11, 34, 95, 33,
128, 127, 93, 154, 90, 144, 50, 39, 53, 62, 204, 231, 191, 247, 151, 3,
255, 25, 48, 179, 72, 165, 181, 209, 215, 94, 146, 42, 172, 86, 170, 198,
79, 184, 56, 210, 150, 164, 125, 182, 118, 252, 107, 226, 156, 116, 4, 241,
69, 157, 112, 89, 100, 113, 135, 32, 134, 91, 207, 101, 230, 45, 168, 2,
27, 96, 37, 173, 174, 176, 185, 246, 28, 70, 97, 105, 52, 64, 126, 15,
85, 71, 163, 35, 221, 81, 175, 58, 195, 92, 249, 206, 186, 197, 234, 38,
44, 83, 13, 110, 133, 40, 132, 9, 211, 223, 205, 244, 65, 129, 77, 82,
106, 220, 55, 200, 108, 193, 171, 250, 36, 225, 123, 8, 12, 189, 177, 74,
120, 136, 149, 139, 227, 99, 232, 109, 233, 203, 213, 254, 59, 0, 29, 57,
242, 239, 183, 14, 102, 88, 208, 228, 166, 119, 114, 248, 235, 117, 75, 10,
49, 68, 80, 180, 143, 237, 31, 26, 219, 153, 141, 51, 159, 17, 131, 20 };
PHP_HASH_API void PHP_MD2InitArgs(PHP_MD2_CTX *context, ZEND_ATTRIBUTE_UNUSED HashTable *args)
{
memset(context, 0, sizeof(PHP_MD2_CTX));
}
static void MD2_Transform(PHP_MD2_CTX *context, const unsigned char *block)
{
unsigned char i,j,t = 0;
for(i = 0; i < 16; i++) {
context->state[16+i] = block[i];
context->state[32+i] = (context->state[16+i] ^ context->state[i]);
}
for(i = 0; i < 18; i++) {
for(j = 0; j < 48; j++) {
t = context->state[j] = context->state[j] ^ MD2_S[t];
}
t += i;
}
/* Update checksum -- must be after transform to avoid fouling up last message block */
t = context->checksum[15];
for(i = 0; i < 16; i++) {
t = context->checksum[i] ^= MD2_S[block[i] ^ t];
}
}
PHP_HASH_API void PHP_MD2Update(PHP_MD2_CTX *context, const unsigned char *buf, size_t len)
{
const unsigned char *p = buf, *e = buf + len;
if (context->in_buffer) {
if (context->in_buffer + len < 16) {
/* Not enough for block, just pass into buffer */
memcpy(context->buffer + context->in_buffer, p, len);
context->in_buffer += (char) len;
return;
}
/* Put buffered data together with inbound for a single block */
memcpy(context->buffer + context->in_buffer, p, 16 - context->in_buffer);
MD2_Transform(context, context->buffer);
p += 16 - context->in_buffer;
context->in_buffer = 0;
}
/* Process as many whole blocks as remain */
while ((p + 16) <= e) {
MD2_Transform(context, p);
p += 16;
}
/* Copy remaining data to buffer */
if (p < e) {
memcpy(context->buffer, p, e - p);
context->in_buffer = (char) (e - p);
}
}
PHP_HASH_API void PHP_MD2Final(unsigned char output[16], PHP_MD2_CTX *context)
{
memset(context->buffer + context->in_buffer, 16 - context->in_buffer, 16 - context->in_buffer);
MD2_Transform(context, context->buffer);
MD2_Transform(context, context->checksum);
memcpy(output, context->state, 16);
}
static int php_md2_unserialize(php_hashcontext_object *hash, zend_long magic, const zval *zv)
{
PHP_MD2_CTX *ctx = (PHP_MD2_CTX *) hash->context;
int r = FAILURE;
if (magic == PHP_HASH_SERIALIZE_MAGIC_SPEC
&& (r = php_hash_unserialize_spec(hash, zv, PHP_MD2_SPEC)) == SUCCESS
&& (unsigned char) ctx->in_buffer < sizeof(ctx->buffer)) {
return SUCCESS;
} else {
return r != SUCCESS ? r : -2000;
}
}