ReactOS  0.4.14-dev-583-g2a1ba2c
hmac_md5.c File Reference
#include "hmac_md5.h"
Include dependency graph for hmac_md5.c:

Go to the source code of this file.

Functions

void HMACMD5Init (HMAC_MD5_CTX *ctx, const unsigned char *key, unsigned int key_len)
 
void HMACMD5Update (HMAC_MD5_CTX *ctx, const unsigned char *data, unsigned int data_len)
 
void HMACMD5Final (HMAC_MD5_CTX *ctx, unsigned char *digest)
 

Function Documentation

◆ HMACMD5Final()

void HMACMD5Final ( HMAC_MD5_CTX ctx,
unsigned char digest 
)

Definition at line 63 of file hmac_md5.c.

64 {
65  MD5_CTX outer_ctx;
66  unsigned char inner_digest[16];
67 
68  MD5Final(&(ctx->ctx));
69  memcpy(inner_digest, ctx->ctx.digest, 16);
70 
71  MD5Init(&outer_ctx);
72  MD5Update(&outer_ctx, ctx->outer_padding, 64);
73  MD5Update(&outer_ctx, inner_digest, 16);
74  MD5Final(&outer_ctx);
75 
76  memcpy(digest, outer_ctx.digest, 16);
77 }
VOID WINAPI MD5Init(MD5_CTX *)
Definition: md5.c:45
VOID WINAPI MD5Final(MD5_CTX *)
Definition: md5.c:113
VOID WINAPI MD5Update(MD5_CTX *, const unsigned char *, unsigned int)
Definition: md5.c:59
MD5_CTX ctx
Definition: hmac_md5.h:37
unsigned char outer_padding[64]
Definition: hmac_md5.h:38
unsigned char digest[16]
Definition: msi.c:4083
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
Definition: msi.c:4078

Referenced by ntlm_CreateSignature().

◆ HMACMD5Init()

void HMACMD5Init ( HMAC_MD5_CTX ctx,
const unsigned char key,
unsigned int  key_len 
)

Definition at line 24 of file hmac_md5.c.

25 {
26  int i;
27  unsigned char inner_padding[64];
28  unsigned char temp_key[16];
29 
30  if(key_len > 64)
31  {
32  MD5_CTX temp_ctx;
33 
34  MD5Init(&temp_ctx);
35  MD5Update(&temp_ctx, key, key_len);
36  MD5Final(&temp_ctx);
37  memcpy(temp_key, temp_ctx.digest, 16);
38 
39  key = temp_key;
40  key_len = 16;
41  }
42 
43  memset(inner_padding, 0, 64);
44  memset(ctx->outer_padding, 0, 64);
45  memcpy(inner_padding, key, key_len);
46  memcpy(ctx->outer_padding, key, key_len);
47 
48  for(i = 0; i < 64; ++i)
49  {
50  inner_padding[i] ^= 0x36;
51  ctx->outer_padding[i] ^= 0x5c;
52  }
53 
54  MD5Init(&(ctx->ctx));
55  MD5Update(&(ctx->ctx), inner_padding, 64);
56 }
VOID WINAPI MD5Init(MD5_CTX *)
Definition: md5.c:45
VOID WINAPI MD5Final(MD5_CTX *)
Definition: md5.c:113
VOID WINAPI MD5Update(MD5_CTX *, const unsigned char *, unsigned int)
Definition: md5.c:59
MD5_CTX ctx
Definition: hmac_md5.h:37
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
unsigned char outer_padding[64]
Definition: hmac_md5.h:38
unsigned char digest[16]
Definition: msi.c:4083
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
Definition: msi.c:4078
#define memset(x, y, z)
Definition: compat.h:39
Definition: path.c:41

Referenced by ntlm_CreateSignature().

◆ HMACMD5Update()

void HMACMD5Update ( HMAC_MD5_CTX ctx,
const unsigned char data,
unsigned int  data_len 
)

Definition at line 58 of file hmac_md5.c.

59 {
60  MD5Update(&(ctx->ctx), data, data_len);
61 }
VOID WINAPI MD5Update(MD5_CTX *, const unsigned char *, unsigned int)
Definition: md5.c:59
MD5_CTX ctx
Definition: hmac_md5.h:37
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl.h:1950

Referenced by ntlm_CreateSignature().