Adding upstream version 4.5.upstream/4.5upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 315 insertions, 0 deletions

diff --git a/md5.c b/md5.c
new file mode 100644
index 0000000..b8eeda3
--- /dev/null
+++ b/md5.c
@@ -0,0 +1,315 @@
+/*
+ ***********************************************************************
+ ** md5.c -- the source code for MD5 routines                         **
+ ** RSA Data Security, Inc. MD5 Message-Digest Algorithm              **
+ ** Created: 2/17/90 RLR                                              **
+ ** Revised: 1/91 SRD,AJ,BSK,JT Reference C Version                   **
+ ** Revised (for MD5): RLR 4/27/91                                    **
+ **   -- G modified to have y&~z instead of y&z                       **
+ **   -- FF, GG, HH modified to add in last register done             **
+ **   -- Access pattern: round 2 works mod 5, round 3 works mod 3     **
+ **   -- distinct additive constant for each step                     **
+ **   -- round 4 added, working mod 7                                 **
+ ***********************************************************************
+ */
+
+/*
+ ***********************************************************************
+ ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved.  **
+ **                                                                   **
+ ** License to copy and use this software is granted provided that    **
+ ** it is identified as the "RSA Data Security, Inc. MD5 Message-     **
+ ** Digest Algorithm" in all material mentioning or referencing this  **
+ ** software or this function.                                        **
+ **                                                                   **
+ ** License is also granted to make and use derivative works          **
+ ** provided that such works are identified as "derived from the RSA  **
+ ** Data Security, Inc. MD5 Message-Digest Algorithm" in all          **
+ ** material mentioning or referencing the derived work.              **
+ **                                                                   **
+ ** RSA Data Security, Inc. makes no representations concerning       **
+ ** either the merchantability of this software or the suitability    **
+ ** of this software for any particular purpose.  It is provided "as  **
+ ** is" without express or implied warranty of any kind.              **
+ **                                                                   **
+ ** These notices must be retained in any copies of any part of this  **
+ ** documentation and/or software.                                    **
+ ***********************************************************************
+ */
+
+#include "md5.h"
+
+/*
+ ***********************************************************************
+ **  Message-digest routines:                                         **
+ **  To form the message digest for a message M                       **
+ **    (1) Initialize a context buffer mdContext using MD5Init        **
+ **    (2) Call MD5Update on mdContext and M                          **
+ **    (3) Call MD5Final on mdContext                                 **
+ **  The message digest is now in mdContext->digest[0...15]           **
+ ***********************************************************************
+ */
+
+/* forward declaration */
+static void Transform (UINT4 *, UINT4 *);
+
+#ifdef	__STDC__
+static const
+#else
+static
+#endif
+unsigned char PADDING[64] = {
+  0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+/* F, G, H and I are basic MD5 functions */
+#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)))
+
+/* ROTATE_LEFT rotates x left n bits */
+#if	defined(FAST_MD5) && defined(__GNUC__) && defined(mc68000)
+/*
+ * If we're on a 68000 based CPU and using a GNU C compiler with
+ * inline assembly code, we can speed this up a bit.
+ */
+inline UINT4 ROTATE_LEFT(UINT4 x, int n)
+{   
+    asm("roll %2,%0" : "=d" (x) : "0" (x), "Ir" (n));
+    return x;
+}
+#else
+#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
+#endif
+
+
+/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4 */
+/* Rotation is separate from addition to prevent recomputation */
+#define FF(a, b, c, d, x, s, ac) \
+  {(a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
+   (a) = ROTATE_LEFT ((a), (s)); \
+   (a) += (b); \
+  }
+#define GG(a, b, c, d, x, s, ac) \
+  {(a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
+   (a) = ROTATE_LEFT ((a), (s)); \
+   (a) += (b); \
+  }
+#define HH(a, b, c, d, x, s, ac) \
+  {(a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
+   (a) = ROTATE_LEFT ((a), (s)); \
+   (a) += (b); \
+  }
+#define II(a, b, c, d, x, s, ac) \
+  {(a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
+   (a) = ROTATE_LEFT ((a), (s)); \
+   (a) += (b); \
+  }
+
+/* The routine MD5Init initializes the message-digest context
+   mdContext. All fields are set to zero.
+ */
+void MD5Init (MD5_CTX *mdContext)
+{
+  mdContext->i[0] = mdContext->i[1] = (UINT4)0;
+
+  /* Load magic initialization constants.
+   */
+  mdContext->buf[0] = (UINT4)0x67452301;
+  mdContext->buf[1] = (UINT4)0xefcdab89;
+  mdContext->buf[2] = (UINT4)0x98badcfe;
+  mdContext->buf[3] = (UINT4)0x10325476;
+}
+
+/* The routine MD5Update updates the message-digest context to
+   account for the presence of each of the characters inBuf[0..inLen-1]
+   in the message whose digest is being computed.
+ */
+void MD5Update (MD5_CTX *mdContext, unsigned const char *inBuf, unsigned int inLen)
+{
+  UINT4 in[16];
+  int mdi;
+  unsigned int i, ii;
+
+  /* compute number of bytes mod 64 */
+  mdi = (int)((mdContext->i[0] >> 3) & 0x3F);
+
+  /* update number of bits */
+  if ((mdContext->i[0] + ((UINT4)inLen << 3)) < mdContext->i[0])
+    mdContext->i[1]++;
+  mdContext->i[0] += ((UINT4)inLen << 3);
+  mdContext->i[1] += ((UINT4)inLen >> 29);
+
+  while (inLen--) {
+    /* add new character to buffer, increment mdi */
+    mdContext->in[mdi++] = *inBuf++;
+
+    /* transform if necessary */
+    if (mdi == 0x40) {
+      for (i = 0, ii = 0; i < 16; i++, ii += 4)
+        in[i] = (((UINT4)mdContext->in[ii+3]) << 24) |
+                (((UINT4)mdContext->in[ii+2]) << 16) |
+                (((UINT4)mdContext->in[ii+1]) << 8) |
+                ((UINT4)mdContext->in[ii]);
+      Transform (mdContext->buf, in);
+      mdi = 0;
+    }
+  }
+}
+
+/* The routine MD5Final terminates the message-digest computation and
+   ends with the desired message digest in mdContext->digest[0...15].
+ */
+
+void MD5Final (MD5_CTX *mdContext)
+{
+  UINT4 in[16];
+  int mdi;
+  unsigned int i, ii;
+  unsigned int padLen;
+
+  /* save number of bits */
+  in[14] = mdContext->i[0];
+  in[15] = mdContext->i[1];
+
+  /* compute number of bytes mod 64 */
+  mdi = (int)((mdContext->i[0] >> 3) & 0x3F);
+
+  /* pad out to 56 mod 64 */
+  padLen = (mdi < 56) ? (56 - mdi) : (120 - mdi);
+  MD5Update (mdContext, PADDING, padLen);
+
+  /* append length in bits and transform */
+  for (i = 0, ii = 0; i < 14; i++, ii += 4)
+    in[i] = (((UINT4)mdContext->in[ii+3]) << 24) |
+            (((UINT4)mdContext->in[ii+2]) << 16) |
+            (((UINT4)mdContext->in[ii+1]) << 8) |
+            ((UINT4)mdContext->in[ii]);
+  Transform (mdContext->buf, in);
+
+  /* store buffer in digest */
+  for (i = 0, ii = 0; i < 4; i++, ii += 4) {
+    mdContext->digest[ii] = (unsigned char)(mdContext->buf[i] & 0xFF);
+    mdContext->digest[ii+1] =
+      (unsigned char)((mdContext->buf[i] >> 8) & 0xFF);
+    mdContext->digest[ii+2] =
+      (unsigned char)((mdContext->buf[i] >> 16) & 0xFF);
+    mdContext->digest[ii+3] =
+      (unsigned char)((mdContext->buf[i] >> 24) & 0xFF);
+  }
+}
+
+/* Basic MD5 step. Transforms buf based on in.
+ */
+static void Transform (UINT4 *buf, UINT4 *in)
+{
+  UINT4 a = buf[0], b = buf[1], c = buf[2], d = buf[3];
+
+  /* Round 1 */
+#define S11 7
+#define S12 12
+#define S13 17
+#define S14 22
+
+  FF ( a, b, c, d, in[ 0], S11, 0xd76aa478); /* 1 */
+  FF ( d, a, b, c, in[ 1], S12, 0xe8c7b756); /* 2 */
+  FF ( c, d, a, b, in[ 2], S13, 0x242070db); /* 3 */
+  FF ( b, c, d, a, in[ 3], S14, 0xc1bdceee); /* 4 */
+  FF ( a, b, c, d, in[ 4], S11, 0xf57c0faf); /* 5 */
+  FF ( d, a, b, c, in[ 5], S12, 0x4787c62a); /* 6 */
+  FF ( c, d, a, b, in[ 6], S13, 0xa8304613); /* 7 */
+  FF ( b, c, d, a, in[ 7], S14, 0xfd469501); /* 8 */
+  FF ( a, b, c, d, in[ 8], S11, 0x698098d8); /* 9 */
+  FF ( d, a, b, c, in[ 9], S12, 0x8b44f7af); /* 10 */
+  FF ( c, d, a, b, in[10], S13, 0xffff5bb1); /* 11 */
+  FF ( b, c, d, a, in[11], S14, 0x895cd7be); /* 12 */
+  FF ( a, b, c, d, in[12], S11, 0x6b901122); /* 13 */
+  FF ( d, a, b, c, in[13], S12, 0xfd987193); /* 14 */
+  FF ( c, d, a, b, in[14], S13, 0xa679438e); /* 15 */
+  FF ( b, c, d, a, in[15], S14, 0x49b40821); /* 16 */
+
+  /* Round 2 */
+#define S21 5
+#define S22 9
+#define S23 14
+#define S24 20
+  GG ( a, b, c, d, in[ 1], S21, 0xf61e2562); /* 17 */
+  GG ( d, a, b, c, in[ 6], S22, 0xc040b340); /* 18 */
+  GG ( c, d, a, b, in[11], S23, 0x265e5a51); /* 19 */
+  GG ( b, c, d, a, in[ 0], S24, 0xe9b6c7aa); /* 20 */
+  GG ( a, b, c, d, in[ 5], S21, 0xd62f105d); /* 21 */
+  GG ( d, a, b, c, in[10], S22,  0x2441453); /* 22 */
+  GG ( c, d, a, b, in[15], S23, 0xd8a1e681); /* 23 */
+  GG ( b, c, d, a, in[ 4], S24, 0xe7d3fbc8); /* 24 */
+  GG ( a, b, c, d, in[ 9], S21, 0x21e1cde6); /* 25 */
+  GG ( d, a, b, c, in[14], S22, 0xc33707d6); /* 26 */
+  GG ( c, d, a, b, in[ 3], S23, 0xf4d50d87); /* 27 */
+  GG ( b, c, d, a, in[ 8], S24, 0x455a14ed); /* 28 */
+  GG ( a, b, c, d, in[13], S21, 0xa9e3e905); /* 29 */
+  GG ( d, a, b, c, in[ 2], S22, 0xfcefa3f8); /* 30 */
+  GG ( c, d, a, b, in[ 7], S23, 0x676f02d9); /* 31 */
+  GG ( b, c, d, a, in[12], S24, 0x8d2a4c8a); /* 32 */
+
+  /* Round 3 */
+#define S31 4
+#define S32 11
+#define S33 16
+#define S34 23
+  HH ( a, b, c, d, in[ 5], S31, 0xfffa3942); /* 33 */
+  HH ( d, a, b, c, in[ 8], S32, 0x8771f681); /* 34 */
+  HH ( c, d, a, b, in[11], S33, 0x6d9d6122); /* 35 */
+  HH ( b, c, d, a, in[14], S34, 0xfde5380c); /* 36 */
+  HH ( a, b, c, d, in[ 1], S31, 0xa4beea44); /* 37 */
+  HH ( d, a, b, c, in[ 4], S32, 0x4bdecfa9); /* 38 */
+  HH ( c, d, a, b, in[ 7], S33, 0xf6bb4b60); /* 39 */
+  HH ( b, c, d, a, in[10], S34, 0xbebfbc70); /* 40 */
+  HH ( a, b, c, d, in[13], S31, 0x289b7ec6); /* 41 */
+  HH ( d, a, b, c, in[ 0], S32, 0xeaa127fa); /* 42 */
+  HH ( c, d, a, b, in[ 3], S33, 0xd4ef3085); /* 43 */
+  HH ( b, c, d, a, in[ 6], S34,  0x4881d05); /* 44 */
+  HH ( a, b, c, d, in[ 9], S31, 0xd9d4d039); /* 45 */
+  HH ( d, a, b, c, in[12], S32, 0xe6db99e5); /* 46 */
+  HH ( c, d, a, b, in[15], S33, 0x1fa27cf8); /* 47 */
+  HH ( b, c, d, a, in[ 2], S34, 0xc4ac5665); /* 48 */
+
+  /* Round 4 */
+#define S41 6
+#define S42 10
+#define S43 15
+#define S44 21
+  II ( a, b, c, d, in[ 0], S41, 0xf4292244); /* 49 */
+  II ( d, a, b, c, in[ 7], S42, 0x432aff97); /* 50 */
+  II ( c, d, a, b, in[14], S43, 0xab9423a7); /* 51 */
+  II ( b, c, d, a, in[ 5], S44, 0xfc93a039); /* 52 */
+  II ( a, b, c, d, in[12], S41, 0x655b59c3); /* 53 */
+  II ( d, a, b, c, in[ 3], S42, 0x8f0ccc92); /* 54 */
+  II ( c, d, a, b, in[10], S43, 0xffeff47d); /* 55 */
+  II ( b, c, d, a, in[ 1], S44, 0x85845dd1); /* 56 */
+  II ( a, b, c, d, in[ 8], S41, 0x6fa87e4f); /* 57 */
+  II ( d, a, b, c, in[15], S42, 0xfe2ce6e0); /* 58 */
+  II ( c, d, a, b, in[ 6], S43, 0xa3014314); /* 59 */
+  II ( b, c, d, a, in[13], S44, 0x4e0811a1); /* 60 */
+  II ( a, b, c, d, in[ 4], S41, 0xf7537e82); /* 61 */
+  II ( d, a, b, c, in[11], S42, 0xbd3af235); /* 62 */
+  II ( c, d, a, b, in[ 2], S43, 0x2ad7d2bb); /* 63 */
+  II ( b, c, d, a, in[ 9], S44, 0xeb86d391); /* 64 */
+
+  buf[0] += a;
+  buf[1] += b;
+  buf[2] += c;
+  buf[3] += d;
+}
+
+/*
+ ***********************************************************************
+ ** End of md5.c                                                      **
+ ******************************** (cut) ********************************
+ */