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md5.c File Reference
#include <stdint.h>
#include "bswap.h"
#include "intreadwrite.h"
#include "mem.h"
#include "md5.h"

Go to the source code of this file.

Data Structures

struct  AVMD5
 

Macros

#define CORE(i, a, b, c, d)
 
#define CORE2(i)
 
#define CORE4(i)   CORE2(i); CORE2((i + 4)); CORE2((i + 8)); CORE2((i + 12))
 

Functions

struct AVMD5av_md5_alloc (void)
 Allocate an AVMD5 context. More...
 
static void body (uint32_t ABCD[4], uint32_t *src, int nblocks)
 
void av_md5_init (AVMD5 *ctx)
 Initialize MD5 hashing. More...
 
void av_md5_update (AVMD5 *ctx, const uint8_t *src, int len)
 Update hash value. More...
 
void av_md5_final (AVMD5 *ctx, uint8_t *dst)
 Finish hashing and output digest value. More...
 
void av_md5_sum (uint8_t *dst, const uint8_t *src, const int len)
 Hash an array of data. More...
 

Variables

const int av_md5_size = sizeof(AVMD5)
 
static const uint8_t S [4][4]
 
static const uint32_t T [64]
 

Macro Definition Documentation

#define CORE (   i,
  a,
  b,
  c,
 
)
Value:
do { \
t = S[i >> 4][i & 3]; \
a += T[i]; \
if (i < 32) { \
if (i < 16) \
a += (d ^ (b & (c ^ d))) + X[ i & 15]; \
a += ((d & b) | (~d & c)) + X[(1 + 5*i) & 15]; \
} else { \
if (i < 48) \
a += (b ^ c ^ d) + X[(5 + 3*i) & 15]; \
a += (c ^ (b | ~d)) + X[( 7*i) & 15]; \
} \
a = b + (a << t | a >> (32 - t)); \
} while (0)
static const uint32_t T[64]
Definition: md5.c:60
static const uint8_t S[4][4]
Definition: md5.c:53
const char * b
Definition: vf_curves.c:113
if(ret< 0)
Definition: vf_mcdeint.c:282
static AVCodec * c

Definition at line 82 of file md5.c.

Referenced by body().

#define CORE2 (   i)
Value:
CORE(i, a, b, c, d); CORE((i + 1), d, a, b, c); \
CORE((i + 2), c, d, a, b); CORE((i + 3), b, c, d, a)
const char * b
Definition: vf_curves.c:113
#define CORE(i, a, b, c, d)
Definition: md5.c:82
static AVCodec * c
#define CORE4 (   i)    CORE2(i); CORE2((i + 4)); CORE2((i + 8)); CORE2((i + 12))

Referenced by body().

Function Documentation

static void body ( uint32_t  ABCD[4],
uint32_t *  src,
int  nblocks 
)
static

Definition at line 101 of file md5.c.

Referenced by av_md5_update(), and http_write_reply().

Variable Documentation

const uint8_t S[4][4]
static
Initial value:
= {
{ 7, 12, 17, 22 },
{ 5, 9, 14, 20 },
{ 4, 11, 16, 23 },
{ 6, 10, 15, 21 }
}

Definition at line 53 of file md5.c.

const uint32_t T[64]
static
Initial value:
= {
0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391,
}

Definition at line 60 of file md5.c.