libavutil/md5.c File Reference

`#include <string.h>`
`#include "bswap.h"`
`#include "md5.h"`

Go to the source code of this file.

struct  AVMD5

Defines

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

Functions

static void body (uint32_t ABCD[4], uint32_t X[16])
void av_md5_init (AVMD5 *ctx)
void av_md5_update (AVMD5 *ctx, const uint8_t *src, const int len)
void av_md5_final (AVMD5 *ctx, uint8_t *dst)
void av_md5_sum (uint8_t *dst, const uint8_t *src, const int len)

Variables

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

Define Documentation

 #define CORE ( i, a, b, c, d )

Value:

```t = S[i>>4][i&3];\
a += T[i];\
\
if(i<32){\
if(i<16) a += (d ^ (b&(c^d))) + X[      i &15 ];\
else     a += (c ^ (d&(c^b))) + X[ (1+5*i)&15 ];\
}else{\
if(i<48) a += (b^c^d)         + X[ (5+3*i)&15 ];\
else     a += (c^(b|~d))      + X[ (  7*i)&15 ];\
}\
a = b + (( a << t ) | ( a >> (32 - t) ));
```

Definition at line 74 of file md5.c.

Referenced by body().

 #define CORE2 ( i ) 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)

 #define CORE4 ( i ) CORE2(i) CORE2((i+4)) CORE2((i+8)) CORE2((i+12))

Referenced by body().

Function Documentation

 void av_md5_final ( AVMD5 * ctx, uint8_t * dst )

Definition at line 142 of file md5.c.

Referenced by av_md5_sum(), flac_encode_frame(), make_digest_auth(), md5_close(), and md5_finish().

 void av_md5_init ( AVMD5 * ctx )

Definition at line 118 of file md5.c.

Referenced by av_md5_sum(), flac_encode_init(), make_digest_auth(), and md5_open().

 void av_md5_sum ( uint8_t * dst, const uint8_t * src, const int len )

Definition at line 156 of file md5.c.

Referenced by av_lfg_init(), and ff_rdt_calc_response_and_checksum().

 void av_md5_update ( AVMD5 * ctx, const uint8_t * src, const int len )

Definition at line 127 of file md5.c.

Referenced by av_md5_final(), av_md5_sum(), md5_write(), update_md5_strings(), and update_md5_sum().

 static void body ( uint32_t ABCD[4], uint32_t X[16] ) ` [static]`

Definition at line 87 of file md5.c.

Referenced by av_md5_update().

Variable Documentation

 const int av_md5_size = sizeof(AVMD5)

Definition at line 43 of file md5.c.

Referenced by flac_encode_init(), make_digest_auth(), and md5_open().

 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 45 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 52 of file md5.c.

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