ReactOS  0.4.14-dev-593-g1793dcc
hmac_md5.h File Reference
#include <string.h>
#include <windef.h>
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Classes

struct  MD5_CTX
 
struct  HMAC_MD5_CTX
 

Functions

void WINAPI MD5Init (MD5_CTX *ctx)
 
void WINAPI MD5Update (MD5_CTX *ctx, const unsigned char *buf, unsigned int len)
 
void WINAPI MD5Final (MD5_CTX *ctx)
 
void HMACMD5Init (HMAC_MD5_CTX *ctx, const unsigned char *key, unsigned int key_len) DECLSPEC_HIDDEN
 
void HMACMD5Update (HMAC_MD5_CTX *ctx, const unsigned char *data, unsigned int data_len) DECLSPEC_HIDDEN
 
void HMACMD5Final (HMAC_MD5_CTX *ctx, unsigned char *digest) DECLSPEC_HIDDEN
 

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().

◆ MD5Final()

void WINAPI MD5Final ( MD5_CTX ctx)

Definition at line 113 of file md5.c.

114 {
115  unsigned int count;
116  unsigned char *p;
117 
118  /* Compute number of bytes mod 64 */
119  count = (ctx->i[0] >> 3) & 0x3F;
120 
121  /* Set the first char of padding to 0x80. This is safe since there is
122  always at least one byte free */
123  p = ctx->in + count;
124  *p++ = 0x80;
125 
126  /* Bytes of padding needed to make 64 bytes */
127  count = 64 - 1 - count;
128 
129  /* Pad out to 56 mod 64 */
130  if (count < 8)
131  {
132  /* Two lots of padding: Pad the first block to 64 bytes */
133  memset( p, 0, count );
134  byteReverse( ctx->in, 16 );
135  MD5Transform( ctx->buf, (unsigned int *)ctx->in );
136 
137  /* Now fill the next block with 56 bytes */
138  memset( ctx->in, 0, 56 );
139  }
140  else
141  {
142  /* Pad block to 56 bytes */
143  memset( p, 0, count - 8 );
144  }
145 
146  byteReverse( ctx->in, 14 );
147 
148  /* Append length in bits and transform */
149  ((unsigned int *)ctx->in)[14] = ctx->i[0];
150  ((unsigned int *)ctx->in)[15] = ctx->i[1];
151 
152  MD5Transform( ctx->buf, (unsigned int *)ctx->in );
153  byteReverse( (unsigned char *)ctx->buf, 4 );
154  memcpy( ctx->digest, ctx->buf, 16 );
155 }
GLuint GLuint GLsizei count
Definition: gl.h:1545
void byteReverse(unsigned char *buf, unsigned longs)
Definition: util.c:8
static void MD5Transform(unsigned int buf[4], const unsigned int in[16])
Definition: md5.c:174
unsigned char digest[16]
Definition: msi.c:4083
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
unsigned int i[2]
Definition: msi.c:4080
unsigned int buf[4]
Definition: msi.c:4081
unsigned char in[64]
Definition: msi.c:4082
GLfloat GLfloat p
Definition: glext.h:8902
#define memset(x, y, z)
Definition: compat.h:39

◆ MD5Init()

void WINAPI MD5Init ( MD5_CTX ctx)

Definition at line 45 of file md5.c.

46 {
47  ctx->buf[0] = 0x67452301;
48  ctx->buf[1] = 0xefcdab89;
49  ctx->buf[2] = 0x98badcfe;
50  ctx->buf[3] = 0x10325476;
51 
52  ctx->i[0] = ctx->i[1] = 0;
53 }
unsigned int i[2]
Definition: msi.c:4080
unsigned int buf[4]
Definition: msi.c:4081

◆ MD5Update()

void WINAPI MD5Update ( MD5_CTX ctx,
const unsigned char buf,
unsigned int  len 
)

Definition at line 59 of file md5.c.

60 {
61  register unsigned int t;
62 
63  /* Update bitcount */
64  t = ctx->i[0];
65 
66  if ((ctx->i[0] = t + (len << 3)) < t)
67  ctx->i[1]++; /* Carry from low to high */
68 
69  ctx->i[1] += len >> 29;
70  t = (t >> 3) & 0x3f;
71 
72  /* Handle any leading odd-sized chunks */
73  if (t)
74  {
75  unsigned char *p = (unsigned char *)ctx->in + t;
76  t = 64 - t;
77 
78  if (len < t)
79  {
80  memcpy( p, buf, len );
81  return;
82  }
83 
84  memcpy( p, buf, t );
85  byteReverse( ctx->in, 16 );
86 
87  MD5Transform( ctx->buf, (unsigned int *)ctx->in );
88 
89  buf += t;
90  len -= t;
91  }
92 
93  /* Process data in 64-byte chunks */
94  while (len >= 64)
95  {
96  memcpy( ctx->in, buf, 64 );
97  byteReverse( ctx->in, 16 );
98 
99  MD5Transform( ctx->buf, (unsigned int *)ctx->in );
100 
101  buf += 64;
102  len -= 64;
103  }
104 
105  /* Handle any remaining bytes of data. */
106  memcpy( ctx->in, buf, len );
107 }
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
GLdouble GLdouble t
Definition: gl.h:2047
void byteReverse(unsigned char *buf, unsigned longs)
Definition: util.c:8
static void MD5Transform(unsigned int buf[4], const unsigned int in[16])
Definition: md5.c:174
if(!(yy_init))
Definition: macro.lex.yy.c:714
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
GLenum GLsizei len
Definition: glext.h:6722
unsigned int i[2]
Definition: msi.c:4080
unsigned int buf[4]
Definition: msi.c:4081
unsigned char in[64]
Definition: msi.c:4082
GLfloat GLfloat p
Definition: glext.h:8902