xnu-2422.115.4.tar.gz

[apple/xnu.git] / bsd / dev / random / YarrowCoreLib / src / sha1mod.c

diff --git a/bsd/dev/random/YarrowCoreLib/src/sha1mod.c b/bsd/dev/random/YarrowCoreLib/src/sha1mod.c
index 109199df65b94658f98efc918398da33e8d7db6b..c1e245aa3febd8e424b682b9ca2959d5243ff616 100644 (file)
--- a/bsd/dev/random/YarrowCoreLib/src/sha1mod.c
+++ b/bsd/dev/random/YarrowCoreLib/src/sha1mod.c
@@ -1,16 +1,19 @@
 /*
  * Copyright (c) 1999, 2000-2001 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 /*
@@ -30,6 +33,9 @@ By Steve Reid <steve@edmweb.com>
 */
 /* Header portion split from main code for convenience (AYB 3/02/98) */
 #include "sha1mod.h"
+#ifdef SHA1HANDSOFF
+#include <string.h>
+#endif
 
 #define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
 
@@ -61,12 +67,13 @@ By Steve Reid <steve@edmweb.com>
 
 /* Hash a single 512-bit block. This is the core of the algorithm. */
 
-void SHA1Transform(unsigned long state[5], unsigned char buffer[64])
+__private_extern__ void
+YSHA1Transform(u_int32_t state[5], const unsigned char buffer[64])
 {
-unsigned long a, b, c, d, e;
+u_int32_t a, b, c, d, e;
 typedef union {
     unsigned char c[64];
-    unsigned long l[16];
+    u_int32_t l[16];
 } CHAR64LONG16;
 CHAR64LONG16* block;
 #ifdef SHA1HANDSOFF
@@ -114,9 +121,10 @@ static unsigned char workspace[64];
 }
 
 
-/* SHA1Init - Initialize new context */
+/* YSHA1Init - Initialize new context */
 
-void SHA1Init(SHA1_CTX* context)
+__private_extern__ void
+YSHA1Init(YSHA1_CTX* context)
 {
     /* SHA1 initialization constants */
     context->state[0] = 0x67452301;
@@ -130,7 +138,8 @@ void SHA1Init(SHA1_CTX* context)
 
 /* Run your data through this. */
 
-void SHA1Update(SHA1_CTX* context, unsigned char* data, unsigned int len)
+__private_extern__ void
+YSHA1Update(YSHA1_CTX* context, const unsigned char* data, unsigned int len)
 {
 unsigned int i, j;
 
@@ -139,9 +148,9 @@ unsigned int i, j;
     context->count[1] += (len >> 29);
     if ((j + len) > 63) {
         memcpy(&context->buffer[j], data, (i = 64-j));
-        SHA1Transform(context->state, context->buffer);
+        YSHA1Transform(context->state, context->buffer);
         for ( ; i + 63 < len; i += 64) {
-            SHA1Transform(context->state, &data[i]);
+            YSHA1Transform(context->state, &data[i]);
         }
         j = 0;
     }
@@ -152,20 +161,21 @@ unsigned int i, j;
 
 /* Add padding and return the message digest. */
 
-void SHA1Final(unsigned char digest[20], SHA1_CTX* context)
+__private_extern__ void
+YSHA1Final(unsigned char digest[20], YSHA1_CTX* context)
 {
-unsigned long i, j;
+u_int32_t i, j;
 unsigned char finalcount[8];
 
     for (i = 0; i < 8; i++) {
         finalcount[i] = (unsigned char)((context->count[(i >= 4 ? 0 : 1)]
          >> ((3-(i & 3)) * 8) ) & 255);  /* Endian independent */
     }
-    SHA1Update(context, (unsigned char *)"\200", 1);
+    YSHA1Update(context, (const unsigned char *)"\200", 1);
     while ((context->count[0] & 504) != 448) {
-        SHA1Update(context, (unsigned char *)"\0", 1);
+        YSHA1Update(context, (const unsigned char *)"\0", 1);
     }
-    SHA1Update(context, finalcount, 8);  /* Should cause a SHA1Transform() */
+    YSHA1Update(context, finalcount, 8);  /* Should cause a YSHA1Transform() */
     for (i = 0; i < 20; i++) {
         digest[i] = (unsigned char)
          ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
@@ -176,8 +186,8 @@ unsigned char finalcount[8];
     memset(context->state, 0, 20);
     memset(context->count, 0, 8);
     memset(finalcount, 0, 8);
-#ifdef SHA1HANDSOFF  /* make SHA1Transform overwrite it's own static vars */
-    SHA1Transform(context->state, context->buffer);
+#ifdef SHA1HANDSOFF  /* make YSHA1Transform overwrite it's own static vars */
+    YSHA1Transform(context->state, context->buffer);
 #endif
 }
 
@@ -191,7 +201,7 @@ unsigned char finalcount[8];
 int main(int argc, char** argv)
 {
 int i, j;
-SHA1_CTX context;
+YSHA1_CTX context;
 unsigned char digest[20], buffer[16384];
 FILE* file;
 
@@ -209,12 +219,12 @@ FILE* file;
             exit(-1);
         }
     } 
-    SHA1Init(&context);
+    YSHA1Init(&context);
     while (!feof(file)) {  /* note: what if ferror(file) */
         i = fread(buffer, 1, 16384, file);
-        SHA1Update(&context, buffer, i);
+        YSHA1Update(&context, buffer, i);
     }
-    SHA1Final(digest, &context);
+    YSHA1Final(digest, &context);
     fclose(file);
     for (i = 0; i < 5; i++) {
         for (j = 0; j < 4; j++) {