md5.c File Reference

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

Include dependency graph for md5.c:

Go to the source code of this file.

Defines

#define S11   7
#define S12   12
#define S13   17
#define S14   22
#define S21   5
#define S22   9
#define S23   14
#define S24   20
#define S31   4
#define S32   11
#define S33   16
#define S34   23
#define S41   6
#define S42   10
#define S43   15
#define S44   21
#define MD5_memcpy   memcpy
#define MD5_memset   memset
#define F(x, y, z)   (((x) & (y)) | ((~x) & (z)))
#define G(x, y, z)   (((x) & (z)) | ((y) & (~z)))
#define H(x, y, z)   ((x) ^ (y) ^ (z))
#define I(x, y, z)   ((y) ^ ((x) | (~z)))
#define ROTATE_LEFT(x, n)   (((x) << (n)) | ((x) >> (32-(n))))
#define FF(a, b, c, d, x, s, ac)
#define GG(a, b, c, d, x, s, ac)
#define HH(a, b, c, d, x, s, ac)
#define II(a, b, c, d, x, s, ac)

Functions

static void MD5Transform PROTO_LIST ((UINT4[4], unsigned char[64]))
static void Encode PROTO_LIST ((unsigned char *, UINT4 *, unsigned int))
static void Decode PROTO_LIST ((UINT4 *, unsigned char *, unsigned int))
void MD5Init (MD5_CTX *context)
void MD5Update (MD5_CTX *context, unsigned char *input, unsigned int inputLen)
void MD5Final (digest, MD5_CTX *context)
static void MD5Transform (state, block)
static void Encode (unsigned char *output, UINT4 *input, unsigned int len)
static void Decode (UINT4 *output, unsigned char *input, unsigned int len)

Variables

static unsigned char PADDING [64]


Define Documentation

#define F x,
y,
 )     (((x) & (y)) | ((~x) & (z)))
 

Definition at line 73 of file md5.c.

#define FF a,
b,
c,
d,
x,
s,
ac   ) 
 

Value:

{ \
 (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
 (a) = ROTATE_LEFT ((a), (s)); \
 (a) += (b); \
  }

Definition at line 85 of file md5.c.

Referenced by MD5Transform().

#define G x,
y,
 )     (((x) & (z)) | ((y) & (~z)))
 

Definition at line 74 of file md5.c.

#define GG a,
b,
c,
d,
x,
s,
ac   ) 
 

Value:

{ \
 (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
 (a) = ROTATE_LEFT ((a), (s)); \
 (a) += (b); \
  }

Definition at line 90 of file md5.c.

Referenced by MD5Transform().

#define H x,
y,
 )     ((x) ^ (y) ^ (z))
 

Definition at line 75 of file md5.c.

#define HH a,
b,
c,
d,
x,
s,
ac   ) 
 

Value:

{ \
 (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
 (a) = ROTATE_LEFT ((a), (s)); \
 (a) += (b); \
  }

Definition at line 95 of file md5.c.

Referenced by MD5Transform().

#define I x,
y,
 )     ((y) ^ ((x) | (~z)))
 

Definition at line 76 of file md5.c.

#define II a,
b,
c,
d,
x,
s,
ac   ) 
 

Value:

{ \
 (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
 (a) = ROTATE_LEFT ((a), (s)); \
 (a) += (b); \
  }

Definition at line 100 of file md5.c.

Referenced by MD5Transform().

#define MD5_memcpy   memcpy
 

Definition at line 62 of file md5.c.

Referenced by MD5Update().

#define MD5_memset   memset
 

Definition at line 63 of file md5.c.

Referenced by MD5Final(), and MD5Transform().

#define ROTATE_LEFT x,
 )     (((x) << (n)) | ((x) >> (32-(n))))
 

Definition at line 80 of file md5.c.

#define S11   7
 

Definition at line 35 of file md5.c.

Referenced by MD5Transform().

#define S12   12
 

Definition at line 36 of file md5.c.

Referenced by MD5Transform().

#define S13   17
 

Definition at line 37 of file md5.c.

Referenced by MD5Transform().

#define S14   22
 

Definition at line 38 of file md5.c.

Referenced by MD5Transform().

#define S21   5
 

Definition at line 39 of file md5.c.

Referenced by MD5Transform().

#define S22   9
 

Definition at line 40 of file md5.c.

Referenced by MD5Transform().

#define S23   14
 

Definition at line 41 of file md5.c.

Referenced by MD5Transform().

#define S24   20
 

Definition at line 42 of file md5.c.

Referenced by MD5Transform().

#define S31   4
 

Definition at line 43 of file md5.c.

Referenced by MD5Transform().

#define S32   11
 

Definition at line 44 of file md5.c.

Referenced by MD5Transform().

#define S33   16
 

Definition at line 45 of file md5.c.

Referenced by MD5Transform().

#define S34   23
 

Definition at line 46 of file md5.c.

Referenced by MD5Transform().

#define S41   6
 

Definition at line 47 of file md5.c.

Referenced by MD5Transform().

#define S42   10
 

Definition at line 48 of file md5.c.

Referenced by MD5Transform().

#define S43   15
 

Definition at line 49 of file md5.c.

Referenced by MD5Transform().

#define S44   21
 

Definition at line 50 of file md5.c.

Referenced by MD5Transform().


Function Documentation

static void Decode UINT4 output,
unsigned char *  input,
unsigned int  len
[static]
 

Definition at line 303 of file md5.c.

References i.

Referenced by MD5Transform().

static void Encode unsigned char *  output,
UINT4 input,
unsigned int  len
[static]
 

Definition at line 285 of file md5.c.

References i.

Referenced by MD5Final().

void MD5Final digest  ,
MD5_CTX context
 

Definition at line 165 of file md5.c.

References MD5_CTX::count, Encode(), MD5_memset, and MD5Update().

Referenced by hmacmd5(), and stringfunctionvalue().

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void MD5Init MD5_CTX context  ) 
 

Definition at line 108 of file md5.c.

Referenced by hmacmd5(), and stringfunctionvalue().

static void MD5Transform state  ,
block 
[static]
 

Definition at line 192 of file md5.c.

References Decode(), FF, GG, HH, II, MD5_memset, S11, S12, S13, S14, S21, S22, S23, S24, S31, S32, S33, S34, S41, S42, S43, and S44.

Referenced by MD5Update().

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void MD5Update MD5_CTX context,
unsigned char *  input,
unsigned int  inputLen
 

Definition at line 124 of file md5.c.

References i, MD5_memcpy, and MD5Transform().

Referenced by hmacmd5(), MD5Final(), and stringfunctionvalue().

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static void Decode PROTO_LIST (UINT4 *, unsigned char *, unsigned int)   )  [static]
 

static void Encode PROTO_LIST (unsigned char *, UINT4 *, unsigned int)   )  [static]
 

static void MD5Transform PROTO_LIST (UINT4[4], unsigned char[64])   )  [static]
 


Variable Documentation

unsigned char PADDING[64] [static]
 

Initial value:

 {
  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
}

Definition at line 65 of file md5.c.


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