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Add password hashing

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This commit is contained in:
cozis
2025-08-17 10:40:09 +02:00
parent 0e29910197
commit 2196ef06eb
15 changed files with 97 additions and 986 deletions
Download Patch File Download Diff File Expand all files Collapse all files
3p/crypt_blowfish/crypt_blowfish.c → 3p/crypt_blowfish.c
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3p/crypt_blowfish/crypt_blowfish.h → 3p/crypt_blowfish.h
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3p/crypt_blowfish/crypt.h
-24
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@@ -1,24 +0,0 @@
/*
* Written by Solar Designer <solar at openwall.com> in 2000-2002.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 2000-2002 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* See crypt_blowfish.c for more information.
*/
#include <gnu-crypt.h>
#if defined(_OW_SOURCE) || defined(__USE_OW)
#define __SKIP_GNU
#undef __SKIP_OW
#include <ow-crypt.h>
#undef __SKIP_GNU
#endif
3p/crypt_blowfish/crypt_gensalt.c
-124
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@@ -1,124 +0,0 @@
/*
* Written by Solar Designer <solar at openwall.com> in 2000-2011.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 2000-2011 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* See crypt_blowfish.c for more information.
*
* This file contains salt generation functions for the traditional and
* other common crypt(3) algorithms, except for bcrypt which is defined
* entirely in crypt_blowfish.c.
*/
#include <string.h>
#include <errno.h>
#ifndef __set_errno
#define __set_errno(val) errno = (val)
#endif
/* Just to make sure the prototypes match the actual definitions */
#include "crypt_gensalt.h"
unsigned char _crypt_itoa64[64 + 1] =
"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
char *_crypt_gensalt_traditional_rn(const char *prefix, unsigned long count,
const char *input, int size, char *output, int output_size)
{
(void) prefix;
if (size < 2 || output_size < 2 + 1 || (count && count != 25)) {
if (output_size > 0) output[0] = '\0';
__set_errno((output_size < 2 + 1) ? ERANGE : EINVAL);
return NULL;
}
output[0] = _crypt_itoa64[(unsigned int)input[0] & 0x3f];
output[1] = _crypt_itoa64[(unsigned int)input[1] & 0x3f];
output[2] = '\0';
return output;
}
char *_crypt_gensalt_extended_rn(const char *prefix, unsigned long count,
const char *input, int size, char *output, int output_size)
{
unsigned long value;
(void) prefix;
/* Even iteration counts make it easier to detect weak DES keys from a look
* at the hash, so they should be avoided */
if (size < 3 || output_size < 1 + 4 + 4 + 1 ||
(count && (count > 0xffffff || !(count & 1)))) {
if (output_size > 0) output[0] = '\0';
__set_errno((output_size < 1 + 4 + 4 + 1) ? ERANGE : EINVAL);
return NULL;
}
if (!count) count = 725;
output[0] = '_';
output[1] = _crypt_itoa64[count & 0x3f];
output[2] = _crypt_itoa64[(count >> 6) & 0x3f];
output[3] = _crypt_itoa64[(count >> 12) & 0x3f];
output[4] = _crypt_itoa64[(count >> 18) & 0x3f];
value = (unsigned long)(unsigned char)input[0] |
((unsigned long)(unsigned char)input[1] << 8) |
((unsigned long)(unsigned char)input[2] << 16);
output[5] = _crypt_itoa64[value & 0x3f];
output[6] = _crypt_itoa64[(value >> 6) & 0x3f];
output[7] = _crypt_itoa64[(value >> 12) & 0x3f];
output[8] = _crypt_itoa64[(value >> 18) & 0x3f];
output[9] = '\0';
return output;
}
char *_crypt_gensalt_md5_rn(const char *prefix, unsigned long count,
const char *input, int size, char *output, int output_size)
{
unsigned long value;
(void) prefix;
if (size < 3 || output_size < 3 + 4 + 1 || (count && count != 1000)) {
if (output_size > 0) output[0] = '\0';
__set_errno((output_size < 3 + 4 + 1) ? ERANGE : EINVAL);
return NULL;
}
output[0] = '$';
output[1] = '1';
output[2] = '$';
value = (unsigned long)(unsigned char)input[0] |
((unsigned long)(unsigned char)input[1] << 8) |
((unsigned long)(unsigned char)input[2] << 16);
output[3] = _crypt_itoa64[value & 0x3f];
output[4] = _crypt_itoa64[(value >> 6) & 0x3f];
output[5] = _crypt_itoa64[(value >> 12) & 0x3f];
output[6] = _crypt_itoa64[(value >> 18) & 0x3f];
output[7] = '\0';
if (size >= 6 && output_size >= 3 + 4 + 4 + 1) {
value = (unsigned long)(unsigned char)input[3] |
((unsigned long)(unsigned char)input[4] << 8) |
((unsigned long)(unsigned char)input[5] << 16);
output[7] = _crypt_itoa64[value & 0x3f];
output[8] = _crypt_itoa64[(value >> 6) & 0x3f];
output[9] = _crypt_itoa64[(value >> 12) & 0x3f];
output[10] = _crypt_itoa64[(value >> 18) & 0x3f];
output[11] = '\0';
}
return output;
}
3p/crypt_blowfish/crypt_gensalt.h
-30
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@@ -1,30 +0,0 @@
/*
* Written by Solar Designer <solar at openwall.com> in 2000-2011.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 2000-2011 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* See crypt_blowfish.c for more information.
*/
#ifndef _CRYPT_GENSALT_H
#define _CRYPT_GENSALT_H
extern unsigned char _crypt_itoa64[];
extern char *_crypt_gensalt_traditional_rn(const char *prefix,
unsigned long count,
const char *input, int size, char *output, int output_size);
extern char *_crypt_gensalt_extended_rn(const char *prefix,
unsigned long count,
const char *input, int size, char *output, int output_size);
extern char *_crypt_gensalt_md5_rn(const char *prefix, unsigned long count,
const char *input, int size, char *output, int output_size);
#endif
3p/crypt_blowfish/ow-crypt.h
-43
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@@ -1,43 +0,0 @@
/*
* Written by Solar Designer <solar at openwall.com> in 2000-2011.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 2000-2011 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* See crypt_blowfish.c for more information.
*/
#ifndef _OW_CRYPT_H
#define _OW_CRYPT_H
#ifndef __GNUC__
#undef __const
#define __const const
#endif
#ifndef __SKIP_GNU
extern char *crypt(__const char *key, __const char *setting);
extern char *crypt_r(__const char *key, __const char *setting, void *data);
#endif
#ifndef __SKIP_OW
extern char *crypt_rn(__const char *key, __const char *setting,
void *data, int size);
extern char *crypt_ra(__const char *key, __const char *setting,
void **data, int *size);
extern char *crypt_gensalt(__const char *prefix, unsigned long count,
__const char *input, int size);
extern char *crypt_gensalt_rn(__const char *prefix, unsigned long count,
__const char *input, int size, char *output, int output_size);
extern char *crypt_gensalt_ra(__const char *prefix, unsigned long count,
__const char *input, int size);
#endif
#endif
3p/crypt_blowfish/wrapper.c
-551
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@@ -1,551 +0,0 @@
/*
* Written by Solar Designer <solar at openwall.com> in 2000-2014.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 2000-2014 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* See crypt_blowfish.c for more information.
*/
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#ifndef __set_errno
#define __set_errno(val) errno = (val)
#endif
#ifdef TEST
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <time.h>
#include <sys/time.h>
#include <sys/times.h>
#ifdef TEST_THREADS
#include <pthread.h>
#endif
#endif
#define CRYPT_OUTPUT_SIZE (7 + 22 + 31 + 1)
#define CRYPT_GENSALT_OUTPUT_SIZE (7 + 22 + 1)
#if defined(__GLIBC__) && defined(_LIBC)
#define __SKIP_GNU
#endif
#include "ow-crypt.h"
#include "crypt_blowfish.h"
#include "crypt_gensalt.h"
#if defined(__GLIBC__) && defined(_LIBC)
/* crypt.h from glibc-crypt-2.1 will define struct crypt_data for us */
#include "crypt.h"
extern char *__md5_crypt_r(const char *key, const char *salt,
char *buffer, int buflen);
/* crypt-entry.c needs to be patched to define __des_crypt_r rather than
* __crypt_r, and not define crypt_r and crypt at all */
extern char *__des_crypt_r(const char *key, const char *salt,
struct crypt_data *data);
extern struct crypt_data _ufc_foobar;
#endif
static int _crypt_data_alloc(void **data, int *size, int need)
{
void *updated;
if (*data && *size >= need) return 0;
updated = realloc(*data, need);
if (!updated) {
#ifndef __GLIBC__
/* realloc(3) on glibc sets errno, so we don't need to bother */
__set_errno(ENOMEM);
#endif
return -1;
}
#if defined(__GLIBC__) && defined(_LIBC)
if (need >= sizeof(struct crypt_data))
((struct crypt_data *)updated)->initialized = 0;
#endif
*data = updated;
*size = need;
return 0;
}
static char *_crypt_retval_magic(char *retval, const char *setting,
char *output, int size)
{
if (retval)
return retval;
if (_crypt_output_magic(setting, output, size))
return NULL; /* shouldn't happen */
return output;
}
#if defined(__GLIBC__) && defined(_LIBC)
/*
* Applications may re-use the same instance of struct crypt_data without
* resetting the initialized field in order to let crypt_r() skip some of
* its initialization code. Thus, it is important that our multiple hashing
* algorithms either don't conflict with each other in their use of the
* data area or reset the initialized field themselves whenever required.
* Currently, the hashing algorithms simply have no conflicts: the first
* field of struct crypt_data is the 128-byte large DES key schedule which
* __des_crypt_r() calculates each time it is called while the two other
* hashing algorithms use less than 128 bytes of the data area.
*/
char *__crypt_rn(__const char *key, __const char *setting,
void *data, int size)
{
if (setting[0] == '$' && setting[1] == '2')
return _crypt_blowfish_rn(key, setting, (char *)data, size);
if (setting[0] == '$' && setting[1] == '1')
return __md5_crypt_r(key, setting, (char *)data, size);
if (setting[0] == '$' || setting[0] == '_') {
__set_errno(EINVAL);
return NULL;
}
if (size >= sizeof(struct crypt_data))
return __des_crypt_r(key, setting, (struct crypt_data *)data);
__set_errno(ERANGE);
return NULL;
}
char *__crypt_ra(__const char *key, __const char *setting,
void **data, int *size)
{
if (setting[0] == '$' && setting[1] == '2') {
if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE))
return NULL;
return _crypt_blowfish_rn(key, setting, (char *)*data, *size);
}
if (setting[0] == '$' && setting[1] == '1') {
if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE))
return NULL;
return __md5_crypt_r(key, setting, (char *)*data, *size);
}
if (setting[0] == '$' || setting[0] == '_') {
__set_errno(EINVAL);
return NULL;
}
if (_crypt_data_alloc(data, size, sizeof(struct crypt_data)))
return NULL;
return __des_crypt_r(key, setting, (struct crypt_data *)*data);
}
char *__crypt_r(__const char *key, __const char *setting,
struct crypt_data *data)
{
return _crypt_retval_magic(
__crypt_rn(key, setting, data, sizeof(*data)),
setting, (char *)data, sizeof(*data));
}
char *__crypt(__const char *key, __const char *setting)
{
return _crypt_retval_magic(
__crypt_rn(key, setting, &_ufc_foobar, sizeof(_ufc_foobar)),
setting, (char *)&_ufc_foobar, sizeof(_ufc_foobar));
}
#else
char *crypt_rn(const char *key, const char *setting, void *data, int size)
{
return _crypt_blowfish_rn(key, setting, (char *)data, size);
}
char *crypt_ra(const char *key, const char *setting,
void **data, int *size)
{
if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE))
return NULL;
return _crypt_blowfish_rn(key, setting, (char *)*data, *size);
}
char *crypt_r(const char *key, const char *setting, void *data)
{
return _crypt_retval_magic(
crypt_rn(key, setting, data, CRYPT_OUTPUT_SIZE),
setting, (char *)data, CRYPT_OUTPUT_SIZE);
}
char *crypt(const char *key, const char *setting)
{
static char output[CRYPT_OUTPUT_SIZE];
return _crypt_retval_magic(
crypt_rn(key, setting, output, sizeof(output)),
setting, output, sizeof(output));
}
#define __crypt_gensalt_rn crypt_gensalt_rn
#define __crypt_gensalt_ra crypt_gensalt_ra
#define __crypt_gensalt crypt_gensalt
#endif
char *__crypt_gensalt_rn(const char *prefix, unsigned long count,
const char *input, int size, char *output, int output_size)
{
char *(*use)(const char *_prefix, unsigned long _count,
const char *_input, int _size,
char *_output, int _output_size);
/* This may be supported on some platforms in the future */
if (!input) {
__set_errno(EINVAL);
return NULL;
}
if (!strncmp(prefix, "$2a$", 4) || !strncmp(prefix, "$2b$", 4) ||
!strncmp(prefix, "$2y$", 4))
use = _crypt_gensalt_blowfish_rn;
else
if (!strncmp(prefix, "$1$", 3))
use = _crypt_gensalt_md5_rn;
else
if (prefix[0] == '_')
use = _crypt_gensalt_extended_rn;
else
if (!prefix[0] ||
(prefix[0] && prefix[1] &&
memchr(_crypt_itoa64, prefix[0], 64) &&
memchr(_crypt_itoa64, prefix[1], 64)))
use = _crypt_gensalt_traditional_rn;
else {
__set_errno(EINVAL);
return NULL;
}
return use(prefix, count, input, size, output, output_size);
}
char *__crypt_gensalt_ra(const char *prefix, unsigned long count,
const char *input, int size)
{
char output[CRYPT_GENSALT_OUTPUT_SIZE];
char *retval;
retval = __crypt_gensalt_rn(prefix, count,
input, size, output, sizeof(output));
if (retval) {
retval = strdup(retval);
#ifndef __GLIBC__
/* strdup(3) on glibc sets errno, so we don't need to bother */
if (!retval)
__set_errno(ENOMEM);
#endif
}
return retval;
}
char *__crypt_gensalt(const char *prefix, unsigned long count,
const char *input, int size)
{
static char output[CRYPT_GENSALT_OUTPUT_SIZE];
return __crypt_gensalt_rn(prefix, count,
input, size, output, sizeof(output));
}
#if defined(__GLIBC__) && defined(_LIBC)
weak_alias(__crypt_rn, crypt_rn)
weak_alias(__crypt_ra, crypt_ra)
weak_alias(__crypt_r, crypt_r)
weak_alias(__crypt, crypt)
weak_alias(__crypt_gensalt_rn, crypt_gensalt_rn)
weak_alias(__crypt_gensalt_ra, crypt_gensalt_ra)
weak_alias(__crypt_gensalt, crypt_gensalt)
weak_alias(crypt, fcrypt)
#endif
#ifdef TEST
static const char *tests[][3] = {
{"$2a$05$CCCCCCCCCCCCCCCCCCCCC.E5YPO9kmyuRGyh0XouQYb4YMJKvyOeW",
"U*U"},
{"$2a$05$CCCCCCCCCCCCCCCCCCCCC.VGOzA784oUp/Z0DY336zx7pLYAy0lwK",
"U*U*"},
{"$2a$05$XXXXXXXXXXXXXXXXXXXXXOAcXxm9kjPGEMsLznoKqmqw7tc8WCx4a",
"U*U*U"},
{"$2a$05$abcdefghijklmnopqrstuu5s2v8.iXieOjg/.AySBTTZIIVFJeBui",
"0123456789abcdefghijklmnopqrstuvwxyz"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
"chars after 72 are ignored"},
{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e",
"\xa3"},
{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e",
"\xff\xff\xa3"},
{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e",
"\xff\xff\xa3"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.nqd1wy.pTMdcvrRWxyiGL2eMz.2a85.",
"\xff\xff\xa3"},
{"$2b$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e",
"\xff\xff\xa3"},
{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq",
"\xa3"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq",
"\xa3"},
{"$2b$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq",
"\xa3"},
{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi",
"1\xa3" "345"},
{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi",
"\xff\xa3" "345"},
{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi",
"\xff\xa3" "34" "\xff\xff\xff\xa3" "345"},
{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi",
"\xff\xa3" "34" "\xff\xff\xff\xa3" "345"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.ZC1JEJ8Z4gPfpe1JOr/oyPXTWl9EFd.",
"\xff\xa3" "34" "\xff\xff\xff\xa3" "345"},
{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.nRht2l/HRhr6zmCp9vYUvvsqynflf9e",
"\xff\xa3" "345"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.nRht2l/HRhr6zmCp9vYUvvsqynflf9e",
"\xff\xa3" "345"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS",
"\xa3" "ab"},
{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS",
"\xa3" "ab"},
{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS",
"\xa3" "ab"},
{"$2x$05$6bNw2HLQYeqHYyBfLMsv/OiwqTymGIGzFsA4hOTWebfehXHNprcAS",
"\xd1\x91"},
{"$2x$05$6bNw2HLQYeqHYyBfLMsv/O9LIGgn8OMzuDoHfof8AQimSGfcSWxnS",
"\xd0\xc1\xd2\xcf\xcc\xd8"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.swQOIzjOiJ9GHEPuhEkvqrUyvWhEMx6",
"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
"chars after 72 are ignored as usual"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.R9xrDjiycxMbQE2bp.vgqlYpW5wx2yy",
"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.9tQZzcJfm3uj2NvJ/n5xkhpqLrMpWCe",
"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"},
{"$2a$05$CCCCCCCCCCCCCCCCCCCCC.7uG0VCzI2bS7j6ymqJi9CdcdxiRTWNy",
""},
{"*0", "", "$2a$03$CCCCCCCCCCCCCCCCCCCCC."},
{"*0", "", "$2a$32$CCCCCCCCCCCCCCCCCCCCC."},
{"*0", "", "$2c$05$CCCCCCCCCCCCCCCCCCCCC."},
{"*0", "", "$2z$05$CCCCCCCCCCCCCCCCCCCCC."},
{"*0", "", "$2`$05$CCCCCCCCCCCCCCCCCCCCC."},
{"*0", "", "$2{$05$CCCCCCCCCCCCCCCCCCCCC."},
{"*1", "", "*0"},
{NULL}
};
#define which tests[0]
static volatile sig_atomic_t running;
static void handle_timer(int signum)
{
(void) signum;
running = 0;
}
static void *run(void *arg)
{
unsigned long count = 0;
int i = 0;
void *data = NULL;
int size = 0x12345678;
do {
const char *hash = tests[i][0];
const char *key = tests[i][1];
const char *setting = tests[i][2];
if (!tests[++i][0])
i = 0;
if (setting && strlen(hash) < 30) /* not for benchmark */
continue;
if (strcmp(crypt_ra(key, hash, &data, &size), hash)) {
printf("%d: FAILED (crypt_ra/%d/%lu)\n",
(int)((char *)arg - (char *)0), i, count);
free(data);
return NULL;
}
count++;
} while (running);
free(data);
return count + (char *)0;
}
int main(void)
{
struct itimerval it;
struct tms buf;
clock_t clk_tck, start_real, start_virtual, end_real, end_virtual;
unsigned long count;
void *data;
int size;
char *setting1, *setting2;
int i;
#ifdef TEST_THREADS
pthread_t t[TEST_THREADS];
void *t_retval;
#endif
data = NULL;
size = 0x12345678;
for (i = 0; tests[i][0]; i++) {
const char *hash = tests[i][0];
const char *key = tests[i][1];
const char *setting = tests[i][2];
const char *p;
int ok = !setting || strlen(hash) >= 30;
int o_size;
char s_buf[30], o_buf[61];
if (!setting) {
memcpy(s_buf, hash, sizeof(s_buf) - 1);
s_buf[sizeof(s_buf) - 1] = 0;
setting = s_buf;
}
__set_errno(0);
p = crypt(key, setting);
if ((!ok && !errno) || strcmp(p, hash)) {
printf("FAILED (crypt/%d)\n", i);
return 1;
}
if (ok && strcmp(crypt(key, hash), hash)) {
printf("FAILED (crypt/%d)\n", i);
return 1;
}
for (o_size = -1; o_size <= (int)sizeof(o_buf); o_size++) {
int ok_n = ok && o_size == (int)sizeof(o_buf);
const char *x = "abc";
strcpy(o_buf, x);
if (o_size >= 3) {
x = "*0";
if (setting[0] == '*' && setting[1] == '0')
x = "*1";
}
__set_errno(0);
p = crypt_rn(key, setting, o_buf, o_size);
if ((ok_n && (!p || strcmp(p, hash))) ||
(!ok_n && (!errno || p || strcmp(o_buf, x)))) {
printf("FAILED (crypt_rn/%d)\n", i);
return 1;
}
}
__set_errno(0);
p = crypt_ra(key, setting, &data, &size);
if ((ok && (!p || strcmp(p, hash))) ||
(!ok && (!errno || p || strcmp((char *)data, hash)))) {
printf("FAILED (crypt_ra/%d)\n", i);
return 1;
}
}
setting1 = crypt_gensalt(which[0], 12, data, size);
if (!setting1 || strncmp(setting1, "$2a$12$", 7)) {
puts("FAILED (crypt_gensalt)\n");
return 1;
}
setting2 = crypt_gensalt_ra(setting1, 12, data, size);
if (strcmp(setting1, setting2)) {
puts("FAILED (crypt_gensalt_ra/1)\n");
return 1;
}
(*(char *)data)++;
setting1 = crypt_gensalt_ra(setting2, 12, data, size);
if (!strcmp(setting1, setting2)) {
puts("FAILED (crypt_gensalt_ra/2)\n");
return 1;
}
free(setting1);
free(setting2);
free(data);
#if defined(_SC_CLK_TCK) || !defined(CLK_TCK)
clk_tck = sysconf(_SC_CLK_TCK);
#else
clk_tck = CLK_TCK;
#endif
running = 1;
signal(SIGALRM, handle_timer);
memset(&it, 0, sizeof(it));
it.it_value.tv_sec = 5;
setitimer(ITIMER_REAL, &it, NULL);
start_real = times(&buf);
start_virtual = buf.tms_utime + buf.tms_stime;
count = (char *)run((char *)0) - (char *)0;
end_real = times(&buf);
end_virtual = buf.tms_utime + buf.tms_stime;
if (end_virtual == start_virtual) end_virtual++;
printf("%.1f c/s real, %.1f c/s virtual\n",
(float)count * clk_tck / (end_real - start_real),
(float)count * clk_tck / (end_virtual - start_virtual));
#ifdef TEST_THREADS
running = 1;
it.it_value.tv_sec = 60;
setitimer(ITIMER_REAL, &it, NULL);
start_real = times(&buf);
for (i = 0; i < TEST_THREADS; i++)
if (pthread_create(&t[i], NULL, run, i + (char *)0)) {
perror("pthread_create");
return 1;
}
for (i = 0; i < TEST_THREADS; i++) {
if (pthread_join(t[i], &t_retval)) {
perror("pthread_join");
continue;
}
if (!t_retval) continue;
count = (char *)t_retval - (char *)0;
end_real = times(&buf);
printf("%d: %.1f c/s real\n", i,
(float)count * clk_tck / (end_real - start_real));
}
#endif
return 0;
}
#endif
3p/crypt_blowfish/x86.S
-203
View File
@@ -1,203 +0,0 @@
/*
* Written by Solar Designer <solar at openwall.com> in 1998-2010.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 1998-2010 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* See crypt_blowfish.c for more information.
*/
#ifdef __i386__
#if defined(__OpenBSD__) && !defined(__ELF__)
#define UNDERSCORES
#define ALIGN_LOG
#endif
#if defined(__CYGWIN32__) || defined(__MINGW32__)
#define UNDERSCORES
#endif
#ifdef __DJGPP__
#define UNDERSCORES
#define ALIGN_LOG
#endif
#ifdef UNDERSCORES
#define _BF_body_r __BF_body_r
#endif
#ifdef ALIGN_LOG
#define DO_ALIGN(log) .align (log)
#elif defined(DUMBAS)
#define DO_ALIGN(log) .align 1 << log
#else
#define DO_ALIGN(log) .align (1 << (log))
#endif
#define BF_FRAME 0x200
#define ctx %esp
#define BF_ptr (ctx)
#define S(N, r) N+BF_FRAME(ctx,r,4)
#ifdef DUMBAS
#define P(N) 0x1000+N+N+N+N+BF_FRAME(ctx)
#else
#define P(N) 0x1000+4*N+BF_FRAME(ctx)
#endif
/*
* This version of the assembly code is optimized primarily for the original
* Intel Pentium but is also careful to avoid partial register stalls on the
* Pentium Pro family of processors (tested up to Pentium III Coppermine).
*
* It is possible to do 15% faster on the Pentium Pro family and probably on
* many non-Intel x86 processors, but, unfortunately, that would make things
* twice slower for the original Pentium.
*
* An additional 2% speedup may be achieved with non-reentrant code.
*/
#define L %esi
#define R %edi
#define tmp1 %eax
#define tmp1_lo %al
#define tmp2 %ecx
#define tmp2_hi %ch
#define tmp3 %edx
#define tmp3_lo %dl
#define tmp4 %ebx
#define tmp4_hi %bh
#define tmp5 %ebp
.text
#define BF_ROUND(L, R, N) \
xorl L,tmp2; \
xorl tmp1,tmp1; \
movl tmp2,L; \
shrl $16,tmp2; \
movl L,tmp4; \
movb tmp2_hi,tmp1_lo; \
andl $0xFF,tmp2; \
movb tmp4_hi,tmp3_lo; \
andl $0xFF,tmp4; \
movl S(0,tmp1),tmp1; \
movl S(0x400,tmp2),tmp5; \
addl tmp5,tmp1; \
movl S(0x800,tmp3),tmp5; \
xorl tmp5,tmp1; \
movl S(0xC00,tmp4),tmp5; \
addl tmp1,tmp5; \
movl 4+P(N),tmp2; \
xorl tmp5,R
#define BF_ENCRYPT_START \
BF_ROUND(L, R, 0); \
BF_ROUND(R, L, 1); \
BF_ROUND(L, R, 2); \
BF_ROUND(R, L, 3); \
BF_ROUND(L, R, 4); \
BF_ROUND(R, L, 5); \
BF_ROUND(L, R, 6); \
BF_ROUND(R, L, 7); \
BF_ROUND(L, R, 8); \
BF_ROUND(R, L, 9); \
BF_ROUND(L, R, 10); \
BF_ROUND(R, L, 11); \
BF_ROUND(L, R, 12); \
BF_ROUND(R, L, 13); \
BF_ROUND(L, R, 14); \
BF_ROUND(R, L, 15); \
movl BF_ptr,tmp5; \
xorl L,tmp2; \
movl P(17),L
#define BF_ENCRYPT_END \
xorl R,L; \
movl tmp2,R
DO_ALIGN(5)
.globl _BF_body_r
_BF_body_r:
movl 4(%esp),%eax
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
subl $BF_FRAME-8,%eax
xorl L,L
cmpl %esp,%eax
ja BF_die
xchgl %eax,%esp
xorl R,R
pushl %eax
leal 0x1000+BF_FRAME-4(ctx),%eax
movl 0x1000+BF_FRAME-4(ctx),tmp2
pushl %eax
xorl tmp3,tmp3
BF_loop_P:
BF_ENCRYPT_START
addl $8,tmp5
BF_ENCRYPT_END
leal 0x1000+18*4+BF_FRAME(ctx),tmp1
movl tmp5,BF_ptr
cmpl tmp5,tmp1
movl L,-8(tmp5)
movl R,-4(tmp5)
movl P(0),tmp2
ja BF_loop_P
leal BF_FRAME(ctx),tmp5
xorl tmp3,tmp3
movl tmp5,BF_ptr
BF_loop_S:
BF_ENCRYPT_START
BF_ENCRYPT_END
movl P(0),tmp2
movl L,(tmp5)
movl R,4(tmp5)
BF_ENCRYPT_START
BF_ENCRYPT_END
movl P(0),tmp2
movl L,8(tmp5)
movl R,12(tmp5)
BF_ENCRYPT_START
BF_ENCRYPT_END
movl P(0),tmp2
movl L,16(tmp5)
movl R,20(tmp5)
BF_ENCRYPT_START
addl $32,tmp5
BF_ENCRYPT_END
leal 0x1000+BF_FRAME(ctx),tmp1
movl tmp5,BF_ptr
cmpl tmp5,tmp1
movl P(0),tmp2
movl L,-8(tmp5)
movl R,-4(tmp5)
ja BF_loop_S
movl 4(%esp),%esp
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
BF_die:
/* Oops, need to re-compile with a larger BF_FRAME. */
hlt
jmp BF_die
#endif
#if defined(__ELF__) && defined(__linux__)
.section .note.GNU-stack,"",@progbits
#endif
TODO
+1
View File
@@ -2,3 +2,4 @@ bcrypt passwords
session management using proper random tokens
CSRF protection
input validation to avoid XSS and injection
only allow signup, login ecc over HTTPS
misc/schema.sql
+1 -1
View File
@@ -1,7 +1,7 @@
CREATE TABLE IF NOT EXISTS Users (
id INTEGER PRIMARY KEY,
username TEXT NOT NULL UNIQUE,
password TEXT NOT NULL,
hash TEXT NOT NULL,
email TEXT NOT NULL UNIQUE,
signup_time DATETIME DEFAULT CURRENT_TIMESTAMP
);
src/bcrypt.c
+45
View File
@@ -0,0 +1,45 @@
#include <stddef.h>
#include <string.h>
#include <crypt_blowfish.h>
#include "bcrypt.h"
int hash_password(char *pass, int passlen, int cost, PasswordHash *hash)
{
char passzt[128];
if (passlen >= (int) sizeof(passzt))
return -1;
memcpy(passzt, pass, passlen);
passzt[passlen] = '\0';
unsigned char random[16] = {
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, // TODO
0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88,
};
char salt[30];
if (_crypt_gensalt_blowfish_rn("$2b$", cost, (char*) random, sizeof(random), salt, sizeof(salt)) == NULL)
return -1;
if (_crypt_blowfish_rn(passzt, salt, hash->data, (int) sizeof(hash->data)) == NULL)
return -1;
return 0;
}
int check_password(char *pass, int passlen, PasswordHash hash)
{
char passzt[128];
if (passlen >= (int) sizeof(passzt))
return -1;
memcpy(passzt, pass, passlen);
passzt[passlen] = '\0';
PasswordHash new_hash;
if (_crypt_blowfish_rn(passzt, hash.data, new_hash.data, sizeof(new_hash.data)) == NULL)
return -1;
if (strcmp(hash.data, new_hash.data)) // TODO: should be constant-time
return 1;
return 0;
}
src/bcrypt.h
+11
View File
@@ -0,0 +1,11 @@
#ifndef BCRYPT_INCLUDED
#define BCRYPT_INCLUDED
typedef struct {
char data[61];
} PasswordHash;
int hash_password(char *pass, int passlen, int cost, PasswordHash *hash);
int check_password(char *pass, int passlen, PasswordHash hash);
#endif // BCRYPT_INCLUDED
src/main.c
+33 -4
View File
@@ -4,8 +4,9 @@
#include <assert.h>
#include <limits.h>
#include <stdbool.h>
#include "sqlite3.h"
#include "chttp.h"
#include "bcrypt.h"
#include "sqlite3.h"
#include "sqlite3utils.h"
#include "template.h"
@@ -45,9 +46,13 @@ int load_file(char *file, char **data, long *size)
int create_user(SQLiteCache *dbcache, HTTP_String name, HTTP_String email, HTTP_String pass)
{
PasswordHash hash;
int ret = hash_password(pass.ptr, pass.len, 12, &hash);
if (ret) return -500;
sqlite3_stmt *stmt;
int ret = sqlite3utils_prepare_and_bind(dbcache, &stmt,
"INSERT INTO Users(username, email, password) VALUES (?, ?, ?)", name, email, pass);
ret = sqlite3utils_prepare_and_bind(dbcache, &stmt,
"INSERT INTO Users(username, email, hash) VALUES (?, ?, ?)", name, email, ((HTTP_String) { hash.data, strlen(hash.data) }));
if (ret != SQLITE_OK)
return -500;
@@ -80,7 +85,7 @@ int user_exists(SQLiteCache *dbcache, HTTP_String name, HTTP_String pass)
{
sqlite3_stmt *stmt;
int ret = sqlite3utils_prepare_and_bind(dbcache, &stmt,
"SELECT id FROM Users WHERE username=? AND password=?", name, pass);
"SELECT id, hash FROM Users WHERE username=?", name);
if (ret != SQLITE_OK)
return -500;
@@ -100,6 +105,30 @@ int user_exists(SQLiteCache *dbcache, HTTP_String name, HTTP_String pass)
return -500;
}
const char *rawhash = (const char*) sqlite3_column_text(stmt, 1);
if (rawhash == NULL) {
sqlite3_reset(stmt);
return -500;
}
int rawhashlen = sqlite3_column_bytes(stmt, 1);
PasswordHash hash;
if (rawhashlen >= sizeof(hash.data)) {
sqlite3_reset(stmt);
return -500;
}
strcpy(hash.data, rawhash);
ret = check_password(pass.ptr, pass.len, hash);
if (ret < 0) {
sqlite3_reset(stmt);
return -500;
}
if (ret > 0) {
sqlite3_reset(stmt);
return -400;
}
ret = sqlite3_reset(stmt);
if (ret != SQLITE_OK)
return -500;
src/sqlite3utils.c
+2 -2
View File
@@ -83,7 +83,7 @@ static int lookup(SQLiteCache *cache, char *fmt, int fmtlen)
return -1;
}
int sqlite3utils_prepare(SQLiteCache *cache, sqlite3_stmt **pstmt, const char *fmt, int fmtlen)
int sqlite3utils_prepare(SQLiteCache *cache, sqlite3_stmt **pstmt, char *fmt, int fmtlen)
{
if (fmtlen < 0)
fmtlen = strlen(fmt);
@@ -118,7 +118,7 @@ int sqlite3utils_prepare(SQLiteCache *cache, sqlite3_stmt **pstmt, const char *f
}
int sqlite3utils_prepare_and_bind_impl(SQLiteCache *cache,
sqlite3_stmt **pstmt, const char *fmt, VArgs args)
sqlite3_stmt **pstmt, char *fmt, VArgs args)
{
sqlite3_stmt *stmt;
int ret = sqlite3utils_prepare(cache, &stmt, fmt, strlen(fmt));
src/sqlite3utils.h
+2 -2
View File
@@ -13,9 +13,9 @@ void sqlite_cache_free(SQLiteCache *cache);
sqlite3* sqlite_cache_getdb(SQLiteCache *cache);
int sqlite3utils_prepare(SQLiteCache *cache,
sqlite3_stmt **pstmt, const char *fmt, int fmtlen);
sqlite3_stmt **pstmt, char *fmt, int fmtlen);
int sqlite3utils_prepare_and_bind_impl(SQLiteCache *cache,
sqlite3_stmt **pstmt, const char *fmt, VArgs args);
sqlite3_stmt **pstmt, char *fmt, VArgs args);
#endif // SQLITE3UTILS_INCLUDED