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Import public domain sha1 routines from Steve Reid <steve@edmweb.com>.

Browse Source 
Modified for OpenLDAP use by Daniel J. Gregor <djg@gregor.com>.
This commit is contained in:
Kurt Zeilenga 1998-09-03 06:25:38 +00:00
parent 9ea86c5eb0
commit cac3ea1e92
6 changed files with 313 additions and 21 deletions
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11
include/lutil_md5.h
View File

@ -9,7 +9,10 @@
important. ANSI guarantees that "unsigned long" will be big enough,
and always using it seems to have few disadvantages. */
#ifndef LDAP_UINT32
#define LDAP_UINT32
typedef unsigned long uint32;
#endif
struct MD5Context {
uint32 buf[4];
@ -17,10 +20,10 @@ struct MD5Context {
unsigned char in[64];
};
void MD5Init(struct MD5Context *context);
void MD5Update(struct MD5Context *context, unsigned char const *buf, unsigned len);
void MD5Final(unsigned char digest[16], struct MD5Context *context);
void MD5Transform(uint32 buf[4], const unsigned char in[64]);
void ldap_MD5Init(struct MD5Context *context);
void ldap_MD5Update(struct MD5Context *context, unsigned char const *buf, unsigned len);
void ldap_MD5Final(unsigned char digest[16], struct MD5Context *context);
void ldap_MD5Transform(uint32 buf[4], const unsigned char in[64]);
/*
* This is needed to make RSAREF happy on some MS-DOS compilers.

28
include/lutil_sha1.h Normal file
View File

@ -0,0 +1,28 @@
/* This version is based on:
* $OpenBSD: sha1.h,v 1.8 1997/07/15 01:54:23 millert Exp $ */
/*
* SHA-1 in C
* By Steve Reid <steve@edmweb.com>
* 100% Public Domain
*/
/* XXX I wonder if this will work on 64bit architectures... */
#ifndef LDAP_UINT32
#define LDAP_UINT32
typedef unsigned long uint32;
#endif
typedef struct {
uint32 state[5];
uint32 count[2];
unsigned char buffer[64];
} SHA1_CTX;
void ldap_SHA1Transform __P((uint32 state[5], const unsigned char buffer[64]));
void ldap_SHA1Init __P((SHA1_CTX *context));
void ldap_SHA1Update __P((SHA1_CTX *context, const unsigned char *data, u_int len));
void ldap_SHA1Final __P((unsigned char digest[20], SHA1_CTX *context));
char *ldap_SHA1End __P((SHA1_CTX *, char *));
char *ldap_SHA1File __P((char *, char *));
char *ldap_SHA1Data __P((const unsigned char *, size_t, char *));

4
libraries/liblutil/Make-template
View File

@ -15,8 +15,8 @@
LDAPSRC = ../..
SRCS = base64.c md5.c
OBJS = base64.o md5.o
SRCS = base64.c md5.c sha1.c
OBJS = base64.o md5.o sha1.o
HDIR = ../../include

22
libraries/liblutil/md5.c
View File

@ -63,7 +63,7 @@ putu32 (data, addr)
* initialization constants.
*/
void
MD5Init(ctx)
ldap_MD5Init(ctx)
struct MD5Context *ctx;
{
ctx->buf[0] = 0x67452301;
@ -80,7 +80,7 @@ MD5Init(ctx)
* of bytes.
*/
void
MD5Update(ctx, buf, len)
ldap_MD5Update(ctx, buf, len)
struct MD5Context *ctx;
unsigned char const *buf;
unsigned len;
@ -107,7 +107,7 @@ MD5Update(ctx, buf, len)
return;
}
memcpy(p, buf, t);
MD5Transform(ctx->buf, ctx->in);
ldap_MD5Transform(ctx->buf, ctx->in);
buf += t;
len -= t;
}
@ -116,7 +116,7 @@ MD5Update(ctx, buf, len)
while (len >= 64) {
memcpy(ctx->in, buf, 64);
MD5Transform(ctx->buf, ctx->in);
ldap_MD5Transform(ctx->buf, ctx->in);
buf += 64;
len -= 64;
}
@ -131,7 +131,7 @@ MD5Update(ctx, buf, len)
* 1 0* (64-bit count of bits processed, MSB-first)
*/
void
MD5Final(digest, ctx)
ldap_MD5Final(digest, ctx)
unsigned char digest[16];
struct MD5Context *ctx;
{
@ -153,7 +153,7 @@ MD5Final(digest, ctx)
if (count < 8) {
/* Two lots of padding: Pad the first block to 64 bytes */
memset(p, 0, count);
MD5Transform(ctx->buf, ctx->in);
ldap_MD5Transform(ctx->buf, ctx->in);
/* Now fill the next block with 56 bytes */
memset(ctx->in, 0, 56);
@ -166,7 +166,7 @@ MD5Final(digest, ctx)
putu32(ctx->bits[0], ctx->in + 56);
putu32(ctx->bits[1], ctx->in + 60);
MD5Transform(ctx->buf, ctx->in);
ldap_MD5Transform(ctx->buf, ctx->in);
putu32(ctx->buf[0], digest);
putu32(ctx->buf[1], digest + 4);
putu32(ctx->buf[2], digest + 8);
@ -194,7 +194,7 @@ MD5Final(digest, ctx)
* the data and converts bytes into longwords for this routine.
*/
void
MD5Transform(buf, inraw)
ldap_MD5Transform(buf, inraw)
uint32 buf[4];
const unsigned char inraw[64];
{
@ -306,9 +306,9 @@ main (int argc, char **argv)
for (j = 1; j < argc; ++j)
{
printf ("MD5 (\"%s\") = ", argv[j]);
MD5Init (&context);
MD5Update (&context, argv[j], strlen (argv[j]));
MD5Final (checksum, &context);
ldap_MD5Init (&context);
ldap_MD5Update (&context, argv[j], strlen (argv[j]));
ldap_MD5Final (checksum, &context);
for (i = 0; i < 16; i++)
{
printf ("%02x", (unsigned int) checksum[i]);

261
libraries/liblutil/sha1.c Normal file
View File

@ -0,0 +1,261 @@
/* 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>
* 100% Public Domain
*
* Test Vectors (from FIPS PUB 180-1)
* "abc"
* A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D
* "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
* 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1
* A million repetitions of "a"
* 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
*/
#define SHA1HANDSOFF /* Copies data before messing with it. */
#include <sys/param.h>
#include <string.h>
#include "lutil_sha1.h"
#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
/*
* blk0() and blk() perform the initial expand.
* 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))
#else
# define blk0(i) block->l[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))
/*
* (R0+R1), R2, R3, R4 are the different operations (rounds) used in SHA1
*/
#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
/*
* 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];
{
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);
#else
block = (CHAR64LONG16 *)buffer;
#endif
/* Copy context->state[] to working vars */
a = state[0];
b = state[1];
c = state[2];
d = state[3];
e = state[4];
/* 4 rounds of 20 operations each. Loop unrolled. */
R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
/* Add the working vars back into context.state[] */
state[0] += a;
state[1] += b;
state[2] += c;
state[3] += d;
state[4] += e;
/* Wipe variables */
a = b = c = d = e = 0;
}
/*
* ldap_SHA1Init - Initialize new context
*/
void ldap_SHA1Init(context)
SHA1_CTX *context;
{
/* SHA1 initialization constants */
context->state[0] = 0x67452301;
context->state[1] = 0xEFCDAB89;
context->state[2] = 0x98BADCFE;
context->state[3] = 0x10325476;
context->state[4] = 0xC3D2E1F0;
context->count[0] = context->count[1] = 0;
}
/*
* Run your data through this.
*/
void ldap_SHA1Update(context, data, len)
SHA1_CTX *context;
const unsigned char *data;
u_int len;
{
u_int i, j;
j = context->count[0];
if ((context->count[0] += len << 3) < 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);
for ( ; i + 63 < len; i += 64)
ldap_SHA1Transform(context->state, &data[i]);
j = 0;
} else {
i = 0;
}
(void)memcpy(&context->buffer[j], &data[i], len - i);
}
/*
* Add padding and return the message digest.
*/
void ldap_SHA1Final(digest, context)
unsigned char digest[20];
SHA1_CTX* context;
{
u_int i;
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 */
}
ldap_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() */
if (digest) {
for (i = 0; i < 20; i++)
digest[i] = (unsigned char)
((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
}
}
/* sha1hl.c
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char rcsid[] = "$OpenBSD: sha1hl.c,v 1.1 1997/07/12 20:06:03 millert Exp $";
#endif /* LIBC_SCCS and not lint */
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <sys/file.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>
/* ARGSUSED */
char *
ldap_SHA1End(ctx, buf)
SHA1_CTX *ctx;
char *buf;
{
int i;
char *p = buf;
unsigned char digest[20];
static const char hex[]="0123456789abcdef";
if (p == NULL && (p = malloc(41)) == NULL)
return 0;
ldap_SHA1Final(digest,ctx);
for (i = 0; i < 20; i++) {
p[i + i] = hex[digest[i] >> 4];
p[i + i + 1] = hex[digest[i] & 0x0f];
}
p[i + i] = '\0';
return(p);
}
char *
ldap_SHA1File (filename, buf)
char *filename;
char *buf;
{
unsigned char buffer[BUFSIZ];
SHA1_CTX ctx;
int fd, num, oerrno;
ldap_SHA1Init(&ctx);
if ((fd = open(filename,O_RDONLY)) < 0)
return(0);
while ((num = read(fd, buffer, sizeof(buffer))) > 0)
ldap_SHA1Update(&ctx, buffer, num);
oerrno = errno;
close(fd);
errno = oerrno;
return(num < 0 ? 0 : ldap_SHA1End(&ctx, buf));
}
char *
ldap_SHA1Data (data, len, buf)
const unsigned char *data;
size_t len;
char *buf;
{
SHA1_CTX ctx;
ldap_SHA1Init(&ctx);
ldap_SHA1Update(&ctx, data, len);
return(ldap_SHA1End(&ctx, buf));
}

8
servers/slapd/back-ldbm/bind.c
View File

@ -20,7 +20,7 @@ extern char *crypt (char *key, char *salt);
#endif /* LDAP_CRYPT */
#ifdef LDAP_SHA1
#include <sha1.h>
#include <lutil_sha1.h>
#endif /* LDAP_SHA1 */
#ifdef LDAP_MD5
#include <lutil_md5.h>
@ -91,9 +91,9 @@ crypted_value_find(
char *userpassword = vals[i]->bv_val + sizeof("{SHA}") - 1;
SHA1Init(&SHA1context);
SHA1Update(&SHA1context, cred->bv_val, strlen(cred->bv_val));
SHA1Final(SHA1digest, &SHA1context);
ldap_SHA1Init(&SHA1context);
ldap_SHA1Update(&SHA1context, cred->bv_val, strlen(cred->bv_val));
ldap_SHA1Final(SHA1digest, &SHA1context);
if (b64_ntop(SHA1digest, sizeof(SHA1digest),
base64digest, sizeof(base64digest)) < 0)