+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2012 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* This work was derived from code developed by Steve Reid and
+ * adapted for use in OpenLDAP by Kurt D. Zeilenga.
+ */
+
+
/* Acquired from:
* $OpenBSD: sha1.c,v 1.9 1997/07/23 21:12:32 kstailey Exp $ */
-
/*
* SHA-1 in C
* By Steve Reid <steve@edmweb.com>
* A million repetitions of "a"
* 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
*/
-
+/*
+ * This code assumes uint32 is 32 bits and char is 8 bits
+ */
#include "portable.h"
+#include <ac/param.h>
#include <ac/string.h>
-
-/* include socket.h to get sys/types.h and/or winsock2.h */
#include <ac/socket.h>
-
-#if defined(HAVE_SYS_PARAM_H)
-#include <sys/param.h>
-#endif
+#include <ac/bytes.h>
#include "lutil_sha1.h"
+#ifdef LUTIL_SHA1_BYTES
+
+/* undefining this will cause pointer alignment errors */
#define SHA1HANDSOFF /* Copies data before messing with it. */
#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
* I got the idea of expanding during the round function from SSLeay
*/
#if BYTE_ORDER == LITTLE_ENDIAN
-# define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
- |(rol(block->l[i],8)&0x00FF00FF))
+# define blk0(i) (block[i] = (rol(block[i],24)&0xFF00FF00) \
+ |(rol(block[i],8)&0x00FF00FF))
#else
-# define blk0(i) block->l[i]
+# define blk0(i) block[i]
#endif
-#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
- ^block->l[(i+2)&15]^block->l[i&15],1))
+#define blk(i) (block[i&15] = rol(block[(i+13)&15]^block[(i+8)&15] \
+ ^block[(i+2)&15]^block[i&15],1))
/*
* (R0+R1), R2, R3, R4 are the different operations (rounds) used in SHA1
/*
* Hash a single 512-bit block. This is the core of the algorithm.
*/
-void ldap_SHA1Transform(state, buffer)
- uint32 state[5];
- const unsigned char buffer[64];
+void
+lutil_SHA1Transform( uint32 *state, const unsigned char *buffer )
{
uint32 a, b, c, d, e;
- typedef union {
- unsigned char c[64];
- u_int l[16];
- } CHAR64LONG16;
- CHAR64LONG16 *block;
#ifdef SHA1HANDSOFF
- static unsigned char workspace[64];
- block = (CHAR64LONG16 *)workspace;
- (void)memcpy(block, buffer, 64);
+ uint32 block[16];
+ (void)AC_MEMCPY(block, buffer, 64);
#else
- block = (CHAR64LONG16 *)buffer;
+ uint32 *block = (u_int32 *) buffer;
#endif
/* Copy context->state[] to working vars */
/*
- * ldap_SHA1Init - Initialize new context
+ * lutil_SHA1Init - Initialize new context
*/
-void ldap_SHA1Init(context)
- ldap_SHA1_CTX *context;
+void
+lutil_SHA1Init( lutil_SHA1_CTX *context )
{
/* SHA1 initialization constants */
/*
* Run your data through this.
*/
-void ldap_SHA1Update(context, data, len)
- ldap_SHA1_CTX *context;
- const unsigned char *data;
- u_int len;
+void
+lutil_SHA1Update(
+ lutil_SHA1_CTX *context,
+ const unsigned char *data,
+ uint32 len
+)
{
u_int i, j;
context->count[1] += (len>>29)+1;
j = (j >> 3) & 63;
if ((j + len) > 63) {
- (void)memcpy(&context->buffer[j], data, (i = 64-j));
- ldap_SHA1Transform(context->state, context->buffer);
+ (void)AC_MEMCPY(&context->buffer[j], data, (i = 64-j));
+ lutil_SHA1Transform(context->state, context->buffer);
for ( ; i + 63 < len; i += 64)
- ldap_SHA1Transform(context->state, &data[i]);
+ lutil_SHA1Transform(context->state, &data[i]);
j = 0;
} else {
i = 0;
}
- (void)memcpy(&context->buffer[j], &data[i], len - i);
+ (void)AC_MEMCPY(&context->buffer[j], &data[i], len - i);
}
/*
* Add padding and return the message digest.
*/
-void ldap_SHA1Final(digest, context)
- unsigned char digest[20];
- ldap_SHA1_CTX* context;
+void
+lutil_SHA1Final( unsigned char *digest, lutil_SHA1_CTX *context )
{
u_int i;
unsigned char finalcount[8];
finalcount[i] = (unsigned char)((context->count[(i >= 4 ? 0 : 1)]
>> ((3-(i & 3)) * 8) ) & 255); /* Endian independent */
}
- ldap_SHA1Update(context, (unsigned char *)"\200", 1);
+ lutil_SHA1Update(context, (unsigned char *)"\200", 1);
while ((context->count[0] & 504) != 448)
- ldap_SHA1Update(context, (unsigned char *)"\0", 1);
- ldap_SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */
+ lutil_SHA1Update(context, (unsigned char *)"\0", 1);
+ lutil_SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */
if (digest) {
for (i = 0; i < 20; i++)
#endif /* LIBC_SCCS and not lint */
#include <stdio.h>
-#include <stdlib.h>
+#include <ac/stdlib.h>
#include <ac/errno.h>
#include <ac/unistd.h>
#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
#endif
-#ifdef HAVE_SYS_UIO_H
-#include <sys/uio.h>
-#endif
#ifdef HAVE_IO_H
#include <io.h>
/* ARGSUSED */
char *
-ldap_SHA1End(ctx, buf)
- ldap_SHA1_CTX *ctx;
- char *buf;
+lutil_SHA1End( lutil_SHA1_CTX *ctx, char *buf )
{
int i;
char *p = buf;
if (p == NULL && (p = malloc(41)) == NULL)
return 0;
- ldap_SHA1Final(digest,ctx);
+ lutil_SHA1Final(digest,ctx);
for (i = 0; i < 20; i++) {
p[i + i] = hex[digest[i] >> 4];
p[i + i + 1] = hex[digest[i] & 0x0f];
}
char *
-ldap_SHA1File (filename, buf)
- char *filename;
- char *buf;
+lutil_SHA1File( char *filename, char *buf )
{
unsigned char buffer[BUFSIZ];
- ldap_SHA1_CTX ctx;
+ lutil_SHA1_CTX ctx;
int fd, num, oerrno;
- ldap_SHA1Init(&ctx);
+ lutil_SHA1Init(&ctx);
if ((fd = open(filename,O_RDONLY)) < 0)
return(0);
while ((num = read(fd, buffer, sizeof(buffer))) > 0)
- ldap_SHA1Update(&ctx, buffer, num);
+ lutil_SHA1Update(&ctx, buffer, num);
oerrno = errno;
close(fd);
errno = oerrno;
- return(num < 0 ? 0 : ldap_SHA1End(&ctx, buf));
+ return(num < 0 ? 0 : lutil_SHA1End(&ctx, buf));
}
char *
-ldap_SHA1Data (data, len, buf)
- const unsigned char *data;
- size_t len;
- char *buf;
+lutil_SHA1Data( const unsigned char *data, size_t len, char *buf )
{
- ldap_SHA1_CTX ctx;
+ lutil_SHA1_CTX ctx;
- ldap_SHA1Init(&ctx);
- ldap_SHA1Update(&ctx, data, len);
- return(ldap_SHA1End(&ctx, buf));
+ lutil_SHA1Init(&ctx);
+ lutil_SHA1Update(&ctx, data, len);
+ return(lutil_SHA1End(&ctx, buf));
}
+
+#endif
projects / openldap / blobdiff