git ssb - use the public domain bcrypt implementation · dangerousbeans/%aPBe2k3ugtjBr4rrsU1…@ae87ba58

Commit ae87ba58f416c1874af79af3b07e26073441c010

use the public domain bcrypt implementation

Aaron Patterson committed on 7/22/2011, 11:40:07 PM
Parent: ec33b8415fefd62c80000f74663dbfd6d9ed2fa4

Files changed

ext/mri/bcrypt_ext.c	changed
ext/mri/crypt.c	added
ext/mri/crypt.h	added
ext/mri/crypt_blowfish.c	added
ext/mri/crypt_gensalt.c	added
ext/mri/ow-crypt.h	added
lib/bcrypt.rb	changed

ext/mri/bcrypt_ext.cView
		@@ -1,16 +1,10 @@
1		-#include "ruby.h"
2		-#include "bcrypt.h"
	1	+#include <ruby.h>
	2	+#include <ow-crypt.h>
3	3
4	4	static VALUE mBCrypt;
5	5	static VALUE cBCryptEngine;
6	6
7		-/* Define RSTRING_PTR for Ruby 1.8.5, ruby-core's idea of a point release is
8		- insane. */
9		-#ifndef RSTRING_PTR
10		-# define RSTRING_PTR(s) (RSTRING(s)->ptr)
11		-#endif
12		-
13	7	#ifdef RUBY_VM
14	8	# define RUBY_1_9
15	9	#endif
16	10
		@@ -36,54 +30,60 @@
36	30	#endif /* RUBY_1_9 */
37	31
38	32	/* Given a logarithmic cost parameter, generates a salt for use with +bc_crypt+.
39	33	*/
40		-static VALUE bc_salt(VALUE self, VALUE cost, VALUE seed) {
41		- int icost = NUM2INT(cost);
42		- char salt[BCRYPT_SALT_OUTPUT_SIZE];
	34	+static VALUE bc_salt(VALUE self, VALUE prefix, VALUE count, VALUE input) {
	35	+ char * salt;
	36	+ VALUE str_salt;
43	37
44		- ruby_bcrypt_gensalt(salt, icost, (uint8_t *)RSTRING_PTR(seed));
45		- return rb_str_new2(salt);
	38	+ salt = crypt_gensalt_ra(
	39	+ StringValuePtr(prefix),
	40	+ NUM2ULONG(count),
	41	+ NIL_P(input) ? NULL : StringValuePtr(input),
	42	+ NIL_P(input) ? 0 : rb_str_strlen(input));
	43	+
	44	+ if(!salt) return Qnil;
	45	+
	46	+ str_salt = rb_str_new2(salt);
	47	+ free(salt);
	48	+
	49	+ return str_salt;
46	50	}
47	51
48	52	/* Given a secret and a salt, generates a salted hash (which you can then store safely).
49	53	*/
50		-static VALUE bc_crypt(VALUE self, VALUE key, VALUE salt, VALUE cost) {
51		- const char * safeguarded = RSTRING_PTR(key) ? RSTRING_PTR(key) : "";
52		- char output[BCRYPT_OUTPUT_SIZE];
	54	+static VALUE bc_crypt(VALUE self, VALUE key, VALUE setting) {
	55	+ char * value;
	56	+ void * data;
	57	+ int size;
	58	+ VALUE out;
53	59
54		-#ifdef RUBY_1_9
55		- int icost = NUM2INT(cost);
56		- if (icost >= GIL_UNLOCK_COST_THRESHOLD) {
57		- BCryptArguments args;
58		- VALUE ret;
	60	+ data = NULL;
	61	+ size = 0xDEADBEEF;
59	62
60		- args.output = output;
61		- args.key = safeguarded;
62		- args.salt = RSTRING_PTR(salt);
63		- ret = rb_thread_blocking_region(bcrypt_wrapper, &args, RUBY_UBF_IO, 0);
64		- if (ret != (VALUE) 0) {
65		- return rb_str_new2(output);
66		- } else {
67		- return Qnil;
68		- }
69		- }
70		- /* otherwise, fallback to the non-GIL-unlocking code, just like on Ruby 1.8 */
71		-#endif
	63	+ if(NIL_P(key) \|\| NIL_P(setting)) return Qnil;
72	64
73		- if (ruby_bcrypt(output, safeguarded, (char *)RSTRING_PTR(salt)) != NULL) {
74		- return rb_str_new2(output);
75		- } else {
76		- return Qnil;
77		- }
	65	+ value = crypt_ra(
	66	+ NIL_P(key) ? NULL : StringValuePtr(key),
	67	+ NIL_P(setting) ? NULL : StringValuePtr(setting),
	68	+ &data,
	69	+ &size);
	70	+
	71	+ if(!value) return Qnil;
	72	+
	73	+ out = rb_str_new(data, size - 1);
	74	+
	75	+ free(data);
	76	+
	77	+ return out;
78	78	}
79	79
80	80	/* Create the BCrypt and BCrypt::Engine modules, and populate them with methods. */
81	81	void Init_bcrypt_ext(){
82	82	mBCrypt = rb_define_module("BCrypt");
83	83	cBCryptEngine = rb_define_class_under(mBCrypt, "Engine", rb_cObject);
84	84
85		- rb_define_singleton_method(cBCryptEngine, "__bc_salt", bc_salt, 2);
86		- rb_define_singleton_method(cBCryptEngine, "__bc_crypt", bc_crypt, 3);
	85	+ rb_define_singleton_method(cBCryptEngine, "__bc_salt", bc_salt, 3);
	86	+ rb_define_singleton_method(cBCryptEngine, "__bc_crypt", bc_crypt, 2);
87	87	}
88	88
89	89	/* vim: set noet sws=4 sw=4: */

ext/mri/crypt.cView
		@@ -1,0 +1,57 @@
	1	+#include <ruby.h>
	2	+#include <ow-crypt.h>
	3	+
	4	+VALUE mCrypt;
	5	+
	6	+static VALUE crypt_salt(VALUE self, VALUE prefix, VALUE count, VALUE input)
	7	+{
	8	+ char * salt;
	9	+ VALUE str_salt;
	10	+
	11	+ salt = crypt_gensalt_ra(
	12	+ StringValuePtr(prefix),
	13	+ NUM2ULONG(count),
	14	+ NIL_P(input) ? NULL : StringValuePtr(input),
	15	+ NIL_P(input) ? 0 : rb_str_strlen(input));
	16	+
	17	+ if(!salt) return Qnil;
	18	+
	19	+ str_salt = rb_str_new2(salt);
	20	+ free(salt);
	21	+
	22	+ return str_salt;
	23	+}
	24	+
	25	+static VALUE ra(VALUE self, VALUE key, VALUE setting)
	26	+{
	27	+ char * value;
	28	+ void * data;
	29	+ int size;
	30	+ VALUE out;
	31	+
	32	+ data = NULL;
	33	+ size = 0xDEADBEEF;
	34	+
	35	+ if(NIL_P(key) \|\| NIL_P(setting)) return Qnil;
	36	+
	37	+ value = crypt_ra(
	38	+ NIL_P(key) ? NULL : StringValuePtr(key),
	39	+ NIL_P(setting) ? NULL : StringValuePtr(setting),
	40	+ &data,
	41	+ &size);
	42	+
	43	+ if(!value) return Qnil;
	44	+
	45	+ out = rb_str_new(data, size - 1);
	46	+
	47	+ free(data);
	48	+
	49	+ return out;
	50	+}
	51	+
	52	+void Init_crypt()
	53	+{
	54	+ mCrypt = rb_define_module("Crypt");
	55	+ rb_define_singleton_method(mCrypt, "salt", crypt_salt, 3);
	56	+ rb_define_singleton_method(mCrypt, "crypt", ra, 2);
	57	+}

ext/mri/crypt.hView
		@@ -1,0 +1,13 @@
	1	+/*
	2	+ * Written by Solar Designer and placed in the public domain.
	3	+ * See crypt_blowfish.c for more information.
	4	+ */
	5	+
	6	+#include <gnu-crypt.h>
	7	+
	8	+#if defined(_OW_SOURCE) \|\| defined(__USE_OW)
	9	+#define __SKIP_GNU
	10	+#undef __SKIP_OW
	11	+#include <ow-crypt.h>
	12	+#undef __SKIP_GNU
	13	+#endif

ext/mri/crypt_blowfish.cView
		@@ -1,0 +1,803 @@
	1	+/*
	2	+ * This code comes from John the Ripper password cracker, with reentrant
	3	+ * and crypt(3) interfaces added, but optimizations specific to password
	4	+ * cracking removed.
	5	+ *
	6	+ * Written by Solar Designer <solar at openwall.com> in 1998-2002 and
	7	+ * placed in the public domain. Quick self-test added in 2011 and also
	8	+ * placed in the public domain.
	9	+ *
	10	+ * There's absolutely no warranty.
	11	+ *
	12	+ * It is my intent that you should be able to use this on your system,
	13	+ * as a part of a software package, or anywhere else to improve security,
	14	+ * ensure compatibility, or for any other purpose. I would appreciate
	15	+ * it if you give credit where it is due and keep your modifications in
	16	+ * the public domain as well, but I don't require that in order to let
	17	+ * you place this code and any modifications you make under a license
	18	+ * of your choice.
	19	+ *
	20	+ * This implementation is compatible with OpenBSD bcrypt.c (version 2a)
	21	+ * by Niels Provos <provos at citi.umich.edu>, and uses some of his
	22	+ * ideas. The password hashing algorithm was designed by David Mazieres
	23	+ * <dm at lcs.mit.edu>.
	24	+ *
	25	+ * There's a paper on the algorithm that explains its design decisions:
	26	+ *
	27	+ * http://www.usenix.org/events/usenix99/provos.html
	28	+ *
	29	+ * Some of the tricks in BF_ROUND might be inspired by Eric Young's
	30	+ * Blowfish library (I can't be sure if I would think of something if I
	31	+ * hadn't seen his code).
	32	+ */
	33	+
	34	+#include <string.h>
	35	+
	36	+#include <errno.h>
	37	+#ifndef __set_errno
	38	+#define __set_errno(val) errno = (val)
	39	+#endif
	40	+
	41	+#undef __CONST
	42	+#ifdef __GNUC__
	43	+#define __CONST __const
	44	+#else
	45	+#define __CONST
	46	+#endif
	47	+
	48	+/*
	49	+ * Please keep this enabled. We really don't want incompatible hashes to be
	50	+ * produced. The performance cost of this quick self-test is around 0.6% at
	51	+ * the "$2a$08" setting.
	52	+ */
	53	+#define BF_SELF_TEST
	54	+
	55	+#ifdef __i386__
	56	+#define BF_ASM 1
	57	+#define BF_SCALE 1
	58	+#elif defined(__x86_64__) \|\| defined(__alpha__) \|\| defined(__hppa__)
	59	+#define BF_ASM 0
	60	+#define BF_SCALE 1
	61	+#else
	62	+#define BF_ASM 0
	63	+#define BF_SCALE 0
	64	+#endif
	65	+
	66	+typedef unsigned int BF_word;
	67	+typedef signed int BF_word_signed;
	68	+
	69	+/* Number of Blowfish rounds, this is also hardcoded into a few places */
	70	+#define BF_N 16
	71	+
	72	+typedef BF_word BF_key[BF_N + 2];
	73	+
	74	+typedef struct {
	75	+ BF_word S[4][0x100];
	76	+ BF_key P;
	77	+} BF_ctx;
	78	+
	79	+/*
	80	+ * Magic IV for 64 Blowfish encryptions that we do at the end.
	81	+ * The string is "OrpheanBeholderScryDoubt" on big-endian.
	82	+ */
	83	+static BF_word BF_magic_w[6] = {
	84	+ 0x4F727068, 0x65616E42, 0x65686F6C,
	85	+ 0x64657253, 0x63727944, 0x6F756274
	86	+};
	87	+
	88	+/*
	89	+ * P-box and S-box tables initialized with digits of Pi.
	90	+ */
	91	+static BF_ctx BF_init_state = {
	92	+ {
	93	+ {
	94	+ 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7,
	95	+ 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99,
	96	+ 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16,
	97	+ 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e,
	98	+ 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee,
	99	+ 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
	100	+ 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef,
	101	+ 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e,
	102	+ 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60,
	103	+ 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,
	104	+ 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce,
	105	+ 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
	106	+ 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e,
	107	+ 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677,
	108	+ 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
	109	+ 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032,
	110	+ 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88,
	111	+ 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
	112	+ 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e,
	113	+ 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0,
	114	+ 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3,
	115	+ 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98,
	116	+ 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88,
	117	+ 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
	118	+ 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6,
	119	+ 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d,
	120	+ 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b,
	121	+ 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7,
	122	+ 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba,
	123	+ 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
	124	+ 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f,
	125	+ 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09,
	126	+ 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3,
	127	+ 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb,
	128	+ 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279,
	129	+ 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
	130	+ 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab,
	131	+ 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82,
	132	+ 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db,
	133	+ 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573,
	134	+ 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0,
	135	+ 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
	136	+ 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790,
	137	+ 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8,
	138	+ 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4,
	139	+ 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0,
	140	+ 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7,
	141	+ 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
	142	+ 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad,
	143	+ 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1,
	144	+ 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299,
	145	+ 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9,
	146	+ 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477,
	147	+ 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
	148	+ 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49,
	149	+ 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af,
	150	+ 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa,
	151	+ 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5,
	152	+ 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41,
	153	+ 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
	154	+ 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400,
	155	+ 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915,
	156	+ 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664,
	157	+ 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a
	158	+ }, {
	159	+ 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623,
	160	+ 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266,
	161	+ 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1,
	162	+ 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e,
	163	+ 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6,
	164	+ 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
	165	+ 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e,
	166	+ 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1,
	167	+ 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737,
	168	+ 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8,
	169	+ 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff,
	170	+ 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
	171	+ 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701,
	172	+ 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7,
	173	+ 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41,
	174	+ 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331,
	175	+ 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf,
	176	+ 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
	177	+ 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e,
	178	+ 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87,
	179	+ 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c,
	180	+ 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2,
	181	+ 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16,
	182	+ 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
	183	+ 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b,
	184	+ 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509,
	185	+ 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e,
	186	+ 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3,
	187	+ 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f,
	188	+ 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
	189	+ 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4,
	190	+ 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960,
	191	+ 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66,
	192	+ 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28,
	193	+ 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802,
	194	+ 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
	195	+ 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510,
	196	+ 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf,
	197	+ 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14,
	198	+ 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e,
	199	+ 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50,
	200	+ 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
	201	+ 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8,
	202	+ 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281,
	203	+ 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99,
	204	+ 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696,
	205	+ 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128,
	206	+ 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
	207	+ 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0,
	208	+ 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0,
	209	+ 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105,
	210	+ 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250,
	211	+ 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3,
	212	+ 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
	213	+ 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00,
	214	+ 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061,
	215	+ 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb,
	216	+ 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e,
	217	+ 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735,
	218	+ 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
	219	+ 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9,
	220	+ 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340,
	221	+ 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20,
	222	+ 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7
	223	+ }, {
	224	+ 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934,
	225	+ 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,
	226	+ 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af,
	227	+ 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840,
	228	+ 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45,
	229	+ 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
	230	+ 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a,
	231	+ 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb,
	232	+ 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee,
	233	+ 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6,
	234	+ 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42,
	235	+ 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
	236	+ 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2,
	237	+ 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb,
	238	+ 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527,
	239	+ 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b,
	240	+ 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33,
	241	+ 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
	242	+ 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3,
	243	+ 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc,
	244	+ 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17,
	245	+ 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564,
	246	+ 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b,
	247	+ 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
	248	+ 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922,
	249	+ 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728,
	250	+ 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,
	251	+ 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e,
	252	+ 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37,
	253	+ 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
	254	+ 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804,
	255	+ 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b,
	256	+ 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3,
	257	+ 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb,
	258	+ 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d,
	259	+ 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
	260	+ 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350,
	261	+ 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9,
	262	+ 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a,
	263	+ 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe,
	264	+ 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d,
	265	+ 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
	266	+ 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f,
	267	+ 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61,
	268	+ 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2,
	269	+ 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9,
	270	+ 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2,
	271	+ 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
	272	+ 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e,
	273	+ 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633,
	274	+ 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10,
	275	+ 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169,
	276	+ 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52,
	277	+ 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
	278	+ 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5,
	279	+ 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62,
	280	+ 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,
	281	+ 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76,
	282	+ 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24,
	283	+ 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
	284	+ 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4,
	285	+ 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c,
	286	+ 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837,
	287	+ 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0
	288	+ }, {
	289	+ 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b,
	290	+ 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe,
	291	+ 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b,
	292	+ 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4,
	293	+ 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8,
	294	+ 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
	295	+ 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304,
	296	+ 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22,
	297	+ 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4,
	298	+ 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6,
	299	+ 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9,
	300	+ 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
	301	+ 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593,
	302	+ 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51,
	303	+ 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28,
	304	+ 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c,
	305	+ 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b,
	306	+ 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
	307	+ 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c,
	308	+ 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd,
	309	+ 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a,
	310	+ 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319,
	311	+ 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb,
	312	+ 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
	313	+ 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991,
	314	+ 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32,
	315	+ 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680,
	316	+ 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166,
	317	+ 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae,
	318	+ 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
	319	+ 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5,
	320	+ 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47,
	321	+ 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,
	322	+ 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d,
	323	+ 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84,
	324	+ 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
	325	+ 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8,
	326	+ 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd,
	327	+ 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9,
	328	+ 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7,
	329	+ 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38,
	330	+ 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
	331	+ 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c,
	332	+ 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525,
	333	+ 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1,
	334	+ 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442,
	335	+ 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964,
	336	+ 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
	337	+ 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8,
	338	+ 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d,
	339	+ 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f,
	340	+ 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299,
	341	+ 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02,
	342	+ 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
	343	+ 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614,
	344	+ 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a,
	345	+ 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6,
	346	+ 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,
	347	+ 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0,
	348	+ 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
	349	+ 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e,
	350	+ 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9,
	351	+ 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
	352	+ 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6
	353	+ }
	354	+ }, {
	355	+ 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344,
	356	+ 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89,
	357	+ 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
	358	+ 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917,
	359	+ 0x9216d5d9, 0x8979fb1b
	360	+ }
	361	+};
	362	+
	363	+static unsigned char BF_itoa64[64 + 1] =
	364	+ "./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
	365	+
	366	+static unsigned char BF_atoi64[0x60] = {
	367	+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 0, 1,
	368	+ 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 64, 64, 64, 64, 64,
	369	+ 64, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
	370	+ 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 64, 64, 64, 64, 64,
	371	+ 64, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42,
	372	+ 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 64, 64, 64, 64, 64
	373	+};
	374	+
	375	+/*
	376	+ * This may be optimized out if built with function inlining and no BF_ASM.
	377	+ */
	378	+static void clean(void *data, int size)
	379	+{
	380	+#if BF_ASM
	381	+ extern void _BF_clean(void *data);
	382	+#endif
	383	+ memset(data, 0, size);
	384	+#if BF_ASM
	385	+ _BF_clean(data);
	386	+#endif
	387	+}
	388	+
	389	+#define BF_safe_atoi64(dst, src) \
	390	+{ \
	391	+ tmp = (unsigned char)(src); \
	392	+ if ((unsigned int)(tmp -= 0x20) >= 0x60) return -1; \
	393	+ tmp = BF_atoi64[tmp]; \
	394	+ if (tmp > 63) return -1; \
	395	+ (dst) = tmp; \
	396	+}
	397	+
	398	+static int BF_decode(BF_word dst, __CONST char src, int size)
	399	+{
	400	+ unsigned char dptr = (unsigned char )dst;
	401	+ unsigned char *end = dptr + size;
	402	+ unsigned char sptr = (unsigned char )src;
	403	+ unsigned int tmp, c1, c2, c3, c4;
	404	+
	405	+ do {
	406	+ BF_safe_atoi64(c1, *sptr++);
	407	+ BF_safe_atoi64(c2, *sptr++);
	408	+ *dptr++ = (c1 << 2) \| ((c2 & 0x30) >> 4);
	409	+ if (dptr >= end) break;
	410	+
	411	+ BF_safe_atoi64(c3, *sptr++);
	412	+ *dptr++ = ((c2 & 0x0F) << 4) \| ((c3 & 0x3C) >> 2);
	413	+ if (dptr >= end) break;
	414	+
	415	+ BF_safe_atoi64(c4, *sptr++);
	416	+ *dptr++ = ((c3 & 0x03) << 6) \| c4;
	417	+ } while (dptr < end);
	418	+
	419	+ return 0;
	420	+}
	421	+
	422	+static void BF_encode(char dst, __CONST BF_word src, int size)
	423	+{
	424	+ unsigned char sptr = (unsigned char )src;
	425	+ unsigned char *end = sptr + size;
	426	+ unsigned char dptr = (unsigned char )dst;
	427	+ unsigned int c1, c2;
	428	+
	429	+ do {
	430	+ c1 = *sptr++;
	431	+ *dptr++ = BF_itoa64[c1 >> 2];
	432	+ c1 = (c1 & 0x03) << 4;
	433	+ if (sptr >= end) {
	434	+ *dptr++ = BF_itoa64[c1];
	435	+ break;
	436	+ }
	437	+
	438	+ c2 = *sptr++;
	439	+ c1 \|= c2 >> 4;
	440	+ *dptr++ = BF_itoa64[c1];
	441	+ c1 = (c2 & 0x0f) << 2;
	442	+ if (sptr >= end) {
	443	+ *dptr++ = BF_itoa64[c1];
	444	+ break;
	445	+ }
	446	+
	447	+ c2 = *sptr++;
	448	+ c1 \|= c2 >> 6;
	449	+ *dptr++ = BF_itoa64[c1];
	450	+ *dptr++ = BF_itoa64[c2 & 0x3f];
	451	+ } while (sptr < end);
	452	+}
	453	+
	454	+static void BF_swap(BF_word *x, int count)
	455	+{
	456	+ static int endianness_check = 1;
	457	+ char is_little_endian = (char )&endianness_check;
	458	+ BF_word tmp;
	459	+
	460	+ if (*is_little_endian)
	461	+ do {
	462	+ tmp = *x;
	463	+ tmp = (tmp << 16) \| (tmp >> 16);
	464	+ *x++ = ((tmp & 0x00FF00FF) << 8) \| ((tmp >> 8) & 0x00FF00FF);
	465	+ } while (--count);
	466	+}
	467	+
	468	+#if BF_SCALE
	469	+/* Architectures which can shift addresses left by 2 bits with no extra cost */
	470	+#define BF_ROUND(L, R, N) \
	471	+ tmp1 = L & 0xFF; \
	472	+ tmp2 = L >> 8; \
	473	+ tmp2 &= 0xFF; \
	474	+ tmp3 = L >> 16; \
	475	+ tmp3 &= 0xFF; \
	476	+ tmp4 = L >> 24; \
	477	+ tmp1 = data.ctx.S[3][tmp1]; \
	478	+ tmp2 = data.ctx.S[2][tmp2]; \
	479	+ tmp3 = data.ctx.S[1][tmp3]; \
	480	+ tmp3 += data.ctx.S[0][tmp4]; \
	481	+ tmp3 ^= tmp2; \
	482	+ R ^= data.ctx.P[N + 1]; \
	483	+ tmp3 += tmp1; \
	484	+ R ^= tmp3;
	485	+#else
	486	+/* Architectures with no complicated addressing modes supported */
	487	+#define BF_INDEX(S, i) \
	488	+ (((BF_word )(((unsigned char *)S) + (i))))
	489	+#define BF_ROUND(L, R, N) \
	490	+ tmp1 = L & 0xFF; \
	491	+ tmp1 <<= 2; \
	492	+ tmp2 = L >> 6; \
	493	+ tmp2 &= 0x3FC; \
	494	+ tmp3 = L >> 14; \
	495	+ tmp3 &= 0x3FC; \
	496	+ tmp4 = L >> 22; \
	497	+ tmp4 &= 0x3FC; \
	498	+ tmp1 = BF_INDEX(data.ctx.S[3], tmp1); \
	499	+ tmp2 = BF_INDEX(data.ctx.S[2], tmp2); \
	500	+ tmp3 = BF_INDEX(data.ctx.S[1], tmp3); \
	501	+ tmp3 += BF_INDEX(data.ctx.S[0], tmp4); \
	502	+ tmp3 ^= tmp2; \
	503	+ R ^= data.ctx.P[N + 1]; \
	504	+ tmp3 += tmp1; \
	505	+ R ^= tmp3;
	506	+#endif
	507	+
	508	+/*
	509	+ * Encrypt one block, BF_N is hardcoded here.
	510	+ */
	511	+#define BF_ENCRYPT \
	512	+ L ^= data.ctx.P[0]; \
	513	+ BF_ROUND(L, R, 0); \
	514	+ BF_ROUND(R, L, 1); \
	515	+ BF_ROUND(L, R, 2); \
	516	+ BF_ROUND(R, L, 3); \
	517	+ BF_ROUND(L, R, 4); \
	518	+ BF_ROUND(R, L, 5); \
	519	+ BF_ROUND(L, R, 6); \
	520	+ BF_ROUND(R, L, 7); \
	521	+ BF_ROUND(L, R, 8); \
	522	+ BF_ROUND(R, L, 9); \
	523	+ BF_ROUND(L, R, 10); \
	524	+ BF_ROUND(R, L, 11); \
	525	+ BF_ROUND(L, R, 12); \
	526	+ BF_ROUND(R, L, 13); \
	527	+ BF_ROUND(L, R, 14); \
	528	+ BF_ROUND(R, L, 15); \
	529	+ tmp4 = R; \
	530	+ R = L; \
	531	+ L = tmp4 ^ data.ctx.P[BF_N + 1];
	532	+
	533	+#if BF_ASM
	534	+#define BF_body() \
	535	+ _BF_body_r(&data.ctx);
	536	+#else
	537	+#define BF_body() \
	538	+ L = R = 0; \
	539	+ ptr = data.ctx.P; \
	540	+ do { \
	541	+ ptr += 2; \
	542	+ BF_ENCRYPT; \
	543	+ *(ptr - 2) = L; \
	544	+ *(ptr - 1) = R; \
	545	+ } while (ptr < &data.ctx.P[BF_N + 2]); \
	546	+\
	547	+ ptr = data.ctx.S[0]; \
	548	+ do { \
	549	+ ptr += 2; \
	550	+ BF_ENCRYPT; \
	551	+ *(ptr - 2) = L; \
	552	+ *(ptr - 1) = R; \
	553	+ } while (ptr < &data.ctx.S[3][0xFF]);
	554	+#endif
	555	+
	556	+static void BF_set_key(__CONST char *key, BF_key expanded, BF_key initial,
	557	+ int sign_extension_bug)
	558	+{
	559	+ __CONST char *ptr = key;
	560	+ int i, j;
	561	+ BF_word tmp;
	562	+
	563	+ for (i = 0; i < BF_N + 2; i++) {
	564	+ tmp = 0;
	565	+ for (j = 0; j < 4; j++) {
	566	+ tmp <<= 8;
	567	+ if (sign_extension_bug)
	568	+ tmp \|= (BF_word_signed)(signed char)*ptr;
	569	+ else
	570	+ tmp \|= (unsigned char)*ptr;
	571	+
	572	+ if (!*ptr) ptr = key; else ptr++;
	573	+ }
	574	+
	575	+ expanded[i] = tmp;
	576	+ initial[i] = BF_init_state.P[i] ^ tmp;
	577	+ }
	578	+}
	579	+
	580	+static char BF_crypt(__CONST char key, __CONST char *setting,
	581	+ char *output, int size,
	582	+ BF_word min)
	583	+{
	584	+#if BF_ASM
	585	+ extern void _BF_body_r(BF_ctx *ctx);
	586	+#endif
	587	+ struct {
	588	+ BF_ctx ctx;
	589	+ BF_key expanded_key;
	590	+ union {
	591	+ BF_word salt[4];
	592	+ BF_word output[6];
	593	+ } binary;
	594	+ } data;
	595	+ BF_word L, R;
	596	+ BF_word tmp1, tmp2, tmp3, tmp4;
	597	+ BF_word *ptr;
	598	+ BF_word count;
	599	+ int i;
	600	+
	601	+ if (size < 7 + 22 + 31 + 1) {
	602	+ __set_errno(ERANGE);
	603	+ return NULL;
	604	+ }
	605	+
	606	+ if (setting[0] != '$' \|\|
	607	+ setting[1] != '2' \|\|
	608	+ (setting[2] != 'a' && setting[2] != 'x') \|\|
	609	+ setting[3] != '$' \|\|
	610	+ setting[4] < '0' \|\| setting[4] > '3' \|\|
	611	+ setting[5] < '0' \|\| setting[5] > '9' \|\|
	612	+ (setting[4] == '3' && setting[5] > '1') \|\|
	613	+ setting[6] != '$') {
	614	+ __set_errno(EINVAL);
	615	+ return NULL;
	616	+ }
	617	+
	618	+ count = (BF_word)1 << ((setting[4] - '0') * 10 + (setting[5] - '0'));
	619	+ if (count < min \|\| BF_decode(data.binary.salt, &setting[7], 16)) {
	620	+ clean(data.binary.salt, sizeof(data.binary.salt));
	621	+ __set_errno(EINVAL);
	622	+ return NULL;
	623	+ }
	624	+ BF_swap(data.binary.salt, 4);
	625	+
	626	+ BF_set_key(key, data.expanded_key, data.ctx.P, setting[2] == 'x');
	627	+
	628	+ memcpy(data.ctx.S, BF_init_state.S, sizeof(data.ctx.S));
	629	+
	630	+ L = R = 0;
	631	+ for (i = 0; i < BF_N + 2; i += 2) {
	632	+ L ^= data.binary.salt[i & 2];
	633	+ R ^= data.binary.salt[(i & 2) + 1];
	634	+ BF_ENCRYPT;
	635	+ data.ctx.P[i] = L;
	636	+ data.ctx.P[i + 1] = R;
	637	+ }
	638	+
	639	+ ptr = data.ctx.S[0];
	640	+ do {
	641	+ ptr += 4;
	642	+ L ^= data.binary.salt[(BF_N + 2) & 3];
	643	+ R ^= data.binary.salt[(BF_N + 3) & 3];
	644	+ BF_ENCRYPT;
	645	+ *(ptr - 4) = L;
	646	+ *(ptr - 3) = R;
	647	+
	648	+ L ^= data.binary.salt[(BF_N + 4) & 3];
	649	+ R ^= data.binary.salt[(BF_N + 5) & 3];
	650	+ BF_ENCRYPT;
	651	+ *(ptr - 2) = L;
	652	+ *(ptr - 1) = R;
	653	+ } while (ptr < &data.ctx.S[3][0xFF]);
	654	+
	655	+ do {
	656	+ data.ctx.P[0] ^= data.expanded_key[0];
	657	+ data.ctx.P[1] ^= data.expanded_key[1];
	658	+ data.ctx.P[2] ^= data.expanded_key[2];
	659	+ data.ctx.P[3] ^= data.expanded_key[3];
	660	+ data.ctx.P[4] ^= data.expanded_key[4];
	661	+ data.ctx.P[5] ^= data.expanded_key[5];
	662	+ data.ctx.P[6] ^= data.expanded_key[6];
	663	+ data.ctx.P[7] ^= data.expanded_key[7];
	664	+ data.ctx.P[8] ^= data.expanded_key[8];
	665	+ data.ctx.P[9] ^= data.expanded_key[9];
	666	+ data.ctx.P[10] ^= data.expanded_key[10];
	667	+ data.ctx.P[11] ^= data.expanded_key[11];
	668	+ data.ctx.P[12] ^= data.expanded_key[12];
	669	+ data.ctx.P[13] ^= data.expanded_key[13];
	670	+ data.ctx.P[14] ^= data.expanded_key[14];
	671	+ data.ctx.P[15] ^= data.expanded_key[15];
	672	+ data.ctx.P[16] ^= data.expanded_key[16];
	673	+ data.ctx.P[17] ^= data.expanded_key[17];
	674	+
	675	+ BF_body();
	676	+
	677	+ tmp1 = data.binary.salt[0];
	678	+ tmp2 = data.binary.salt[1];
	679	+ tmp3 = data.binary.salt[2];
	680	+ tmp4 = data.binary.salt[3];
	681	+ data.ctx.P[0] ^= tmp1;
	682	+ data.ctx.P[1] ^= tmp2;
	683	+ data.ctx.P[2] ^= tmp3;
	684	+ data.ctx.P[3] ^= tmp4;
	685	+ data.ctx.P[4] ^= tmp1;
	686	+ data.ctx.P[5] ^= tmp2;
	687	+ data.ctx.P[6] ^= tmp3;
	688	+ data.ctx.P[7] ^= tmp4;
	689	+ data.ctx.P[8] ^= tmp1;
	690	+ data.ctx.P[9] ^= tmp2;
	691	+ data.ctx.P[10] ^= tmp3;
	692	+ data.ctx.P[11] ^= tmp4;
	693	+ data.ctx.P[12] ^= tmp1;
	694	+ data.ctx.P[13] ^= tmp2;
	695	+ data.ctx.P[14] ^= tmp3;
	696	+ data.ctx.P[15] ^= tmp4;
	697	+ data.ctx.P[16] ^= tmp1;
	698	+ data.ctx.P[17] ^= tmp2;
	699	+
	700	+ BF_body();
	701	+ } while (--count);
	702	+
	703	+ for (i = 0; i < 6; i += 2) {
	704	+ L = BF_magic_w[i];
	705	+ R = BF_magic_w[i + 1];
	706	+
	707	+ count = 64;
	708	+ do {
	709	+ BF_ENCRYPT;
	710	+ } while (--count);
	711	+
	712	+ data.binary.output[i] = L;
	713	+ data.binary.output[i + 1] = R;
	714	+ }
	715	+
	716	+ memcpy(output, setting, 7 + 22 - 1);
	717	+ output[7 + 22 - 1] = BF_itoa64[(int)
	718	+ BF_atoi64[(int)setting[7 + 22 - 1] - 0x20] & 0x30];
	719	+
	720	+/* This has to be bug-compatible with the original implementation, so
	721	+ * only encode 23 of the 24 bytes. :-) */
	722	+ BF_swap(data.binary.output, 6);
	723	+ BF_encode(&output[7 + 22], data.binary.output, 23);
	724	+ output[7 + 22 + 31] = '\0';
	725	+
	726	+#ifndef BF_SELF_TEST
	727	+/* Overwrite the most obvious sensitive data we have on the stack. Note
	728	+ * that this does not guarantee there's no sensitive data left on the
	729	+ * stack and/or in registers; I'm not aware of portable code that does. */
	730	+ clean(&data, sizeof(data));
	731	+#endif
	732	+
	733	+ return output;
	734	+}
	735	+
	736	+char _crypt_blowfish_rn(__CONST char key, __CONST char *setting,
	737	+ char *output, int size)
	738	+{
	739	+#ifdef BF_SELF_TEST
	740	+ __CONST char *test_key = "8b \xd0\xc1\xd2\xcf\xcc\xd8";
	741	+ __CONST char *test_2a =
	742	+ "$2a$00$abcdefghijklmnopqrstuui1D709vfamulimlGcq0qq3UvuUasvEa"
	743	+ "\0"
	744	+ "canary";
	745	+ __CONST char *test_2x =
	746	+ "$2x$00$abcdefghijklmnopqrstuuVUrPmXD6q/nVSSp7pNDhCR9071IfIRe"
	747	+ "\0"
	748	+ "canary";
	749	+ __CONST char test_hash, p;
	750	+ int ok;
	751	+ char buf[7 + 22 + 31 + 1 + 6 + 1];
	752	+
	753	+ output = BF_crypt(key, setting, output, size, 16);
	754	+
	755	+/* Do a quick self-test. This also happens to overwrite BF_crypt()'s data. */
	756	+ test_hash = (setting[2] == 'x') ? test_2x : test_2a;
	757	+ memcpy(buf, test_hash, sizeof(buf));
	758	+ memset(buf, -1, sizeof(buf) - (6 + 1)); /* keep "canary" only */
	759	+ p = BF_crypt(test_key, test_hash, buf, sizeof(buf) - 6, 1);
	760	+
	761	+ ok = (p == buf && !memcmp(p, test_hash, sizeof(buf)));
	762	+
	763	+/* This could reveal what hash type we were using last. Unfortunately, we
	764	+ * can't reliably clean the test_hash pointer. */
	765	+ clean(&buf, sizeof(buf));
	766	+
	767	+ if (ok)
	768	+ return output;
	769	+
	770	+/* Should not happen */
	771	+ __set_errno(EINVAL); /* pretend we don't support this hash type */
	772	+ return NULL;
	773	+#else
	774	+#warning Self-test is disabled, please enable
	775	+ return BF_crypt(key, setting, output, size, 16);
	776	+#endif
	777	+}
	778	+
	779	+char *_crypt_gensalt_blowfish_rn(unsigned long count,
	780	+ __CONST char input, int size, char output, int output_size)
	781	+{
	782	+ if (size < 16 \|\| output_size < 7 + 22 + 1 \|\|
	783	+ (count && (count < 4 \|\| count > 31))) {
	784	+ if (output_size > 0) output[0] = '\0';
	785	+ __set_errno((output_size < 7 + 22 + 1) ? ERANGE : EINVAL);
	786	+ return NULL;
	787	+ }
	788	+
	789	+ if (!count) count = 5;
	790	+
	791	+ output[0] = '$';
	792	+ output[1] = '2';
	793	+ output[2] = 'a';
	794	+ output[3] = '$';
	795	+ output[4] = '0' + count / 10;
	796	+ output[5] = '0' + count % 10;
	797	+ output[6] = '$';
	798	+
	799	+ BF_encode(&output[7], (BF_word *)input, 16);
	800	+ output[7 + 22] = '\0';
	801	+
	802	+ return output;
	803	+}

ext/mri/crypt_gensalt.cView
		@@ -1,0 +1,111 @@
	1	+/*
	2	+ * Written by Solar Designer and placed in the public domain.
	3	+ * See crypt_blowfish.c for more information.
	4	+ *
	5	+ * This file contains salt generation functions for the traditional and
	6	+ * other common crypt(3) algorithms, except for bcrypt which is defined
	7	+ * entirely in crypt_blowfish.c.
	8	+ */
	9	+
	10	+#include <string.h>
	11	+
	12	+#include <errno.h>
	13	+#ifndef __set_errno
	14	+#define __set_errno(val) errno = (val)
	15	+#endif
	16	+
	17	+#undef __CONST
	18	+#ifdef __GNUC__
	19	+#define __CONST __const
	20	+#else
	21	+#define __CONST
	22	+#endif
	23	+
	24	+unsigned char _crypt_itoa64[64 + 1] =
	25	+ "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
	26	+
	27	+char *_crypt_gensalt_traditional_rn(unsigned long count,
	28	+ __CONST char input, int size, char output, int output_size)
	29	+{
	30	+ if (size < 2 \|\| output_size < 2 + 1 \|\| (count && count != 25)) {
	31	+ if (output_size > 0) output[0] = '\0';
	32	+ __set_errno((output_size < 2 + 1) ? ERANGE : EINVAL);
	33	+ return NULL;
	34	+ }
	35	+
	36	+ output[0] = _crypt_itoa64[(unsigned int)input[0] & 0x3f];
	37	+ output[1] = _crypt_itoa64[(unsigned int)input[1] & 0x3f];
	38	+ output[2] = '\0';
	39	+
	40	+ return output;
	41	+}
	42	+
	43	+char *_crypt_gensalt_extended_rn(unsigned long count,
	44	+ __CONST char input, int size, char output, int output_size)
	45	+{
	46	+ unsigned long value;
	47	+
	48	+/* Even iteration counts make it easier to detect weak DES keys from a look
	49	+ * at the hash, so they should be avoided */
	50	+ if (size < 3 \|\| output_size < 1 + 4 + 4 + 1 \|\|
	51	+ (count && (count > 0xffffff \|\| !(count & 1)))) {
	52	+ if (output_size > 0) output[0] = '\0';
	53	+ __set_errno((output_size < 1 + 4 + 4 + 1) ? ERANGE : EINVAL);
	54	+ return NULL;
	55	+ }
	56	+
	57	+ if (!count) count = 725;
	58	+
	59	+ output[0] = '_';
	60	+ output[1] = _crypt_itoa64[count & 0x3f];
	61	+ output[2] = _crypt_itoa64[(count >> 6) & 0x3f];
	62	+ output[3] = _crypt_itoa64[(count >> 12) & 0x3f];
	63	+ output[4] = _crypt_itoa64[(count >> 18) & 0x3f];
	64	+ value = (unsigned long)(unsigned char)input[0] \|
	65	+ ((unsigned long)(unsigned char)input[1] << 8) \|
	66	+ ((unsigned long)(unsigned char)input[2] << 16);
	67	+ output[5] = _crypt_itoa64[value & 0x3f];
	68	+ output[6] = _crypt_itoa64[(value >> 6) & 0x3f];
	69	+ output[7] = _crypt_itoa64[(value >> 12) & 0x3f];
	70	+ output[8] = _crypt_itoa64[(value >> 18) & 0x3f];
	71	+ output[9] = '\0';
	72	+
	73	+ return output;
	74	+}
	75	+
	76	+char *_crypt_gensalt_md5_rn(unsigned long count,
	77	+ __CONST char input, int size, char output, int output_size)
	78	+{
	79	+ unsigned long value;
	80	+
	81	+ if (size < 3 \|\| output_size < 3 + 4 + 1 \|\| (count && count != 1000)) {
	82	+ if (output_size > 0) output[0] = '\0';
	83	+ __set_errno((output_size < 3 + 4 + 1) ? ERANGE : EINVAL);
	84	+ return NULL;
	85	+ }
	86	+
	87	+ output[0] = '$';
	88	+ output[1] = '1';
	89	+ output[2] = '$';
	90	+ value = (unsigned long)(unsigned char)input[0] \|
	91	+ ((unsigned long)(unsigned char)input[1] << 8) \|
	92	+ ((unsigned long)(unsigned char)input[2] << 16);
	93	+ output[3] = _crypt_itoa64[value & 0x3f];
	94	+ output[4] = _crypt_itoa64[(value >> 6) & 0x3f];
	95	+ output[5] = _crypt_itoa64[(value >> 12) & 0x3f];
	96	+ output[6] = _crypt_itoa64[(value >> 18) & 0x3f];
	97	+ output[7] = '\0';
	98	+
	99	+ if (size >= 6 && output_size >= 3 + 4 + 4 + 1) {
	100	+ value = (unsigned long)(unsigned char)input[3] \|
	101	+ ((unsigned long)(unsigned char)input[4] << 8) \|
	102	+ ((unsigned long)(unsigned char)input[5] << 16);
	103	+ output[7] = _crypt_itoa64[value & 0x3f];
	104	+ output[8] = _crypt_itoa64[(value >> 6) & 0x3f];
	105	+ output[9] = _crypt_itoa64[(value >> 12) & 0x3f];
	106	+ output[10] = _crypt_itoa64[(value >> 18) & 0x3f];
	107	+ output[11] = '\0';
	108	+ }
	109	+
	110	+ return output;
	111	+}

ext/mri/ow-crypt.hView
		@@ -1,0 +1,34 @@
	1	+/*
	2	+ * Written by Solar Designer and placed in the public domain.
	3	+ * See crypt_blowfish.c for more information.
	4	+ */
	5	+
	6	+#ifndef _OW_CRYPT_H
	7	+#define _OW_CRYPT_H
	8	+
	9	+#undef __CONST
	10	+#ifdef __GNUC__
	11	+#define __CONST __const
	12	+#else
	13	+#define __CONST
	14	+#endif
	15	+
	16	+#ifndef __SKIP_GNU
	17	+extern char crypt(__CONST char key, __CONST char *setting);
	18	+extern char crypt_r(__CONST char key, __CONST char setting, void data);
	19	+#endif
	20	+
	21	+#ifndef __SKIP_OW
	22	+extern char crypt_rn(__CONST char key, __CONST char *setting,
	23	+ void *data, int size);
	24	+extern char crypt_ra(__CONST char key, __CONST char *setting,
	25	+ void *data, int size);
	26	+extern char crypt_gensalt(__CONST char prefix, unsigned long count,
	27	+ __CONST char *input, int size);
	28	+extern char crypt_gensalt_rn(__CONST char prefix, unsigned long count,
	29	+ __CONST char input, int size, char output, int output_size);
	30	+extern char crypt_gensalt_ra(__CONST char prefix, unsigned long count,
	31	+ __CONST char *input, int size);
	32	+#endif
	33	+
	34	+#endif

lib/bcrypt.rbView
		@@ -49,9 +49,9 @@
49	49
50	50	if RUBY_PLATFORM == "java"
51	51	Java.bcrypt_jruby.BCrypt.hashpw(secret.to_s, salt.to_s)
52	52	else
53		- __bc_crypt(secret.to_s, salt, cost)
	53	+ __bc_crypt(secret.to_s, salt)
54	54	end
55	55	else
56	56	raise Errors::InvalidSalt.new("invalid salt")
57	57	end
		@@ -69,9 +69,10 @@
69	69	end
70	70	if RUBY_PLATFORM == "java"
71	71	Java.bcrypt_jruby.BCrypt.gensalt(cost)
72	72	else
73		- __bc_salt(cost, OpenSSL::Random.random_bytes(MAX_SALT_LENGTH))
	73	+ prefix = "$2a$05$CCCCCCCCCCCCCCCCCCCCC.E5YPO9kmyuRGyh0XouQYb4YMJKvyOeW"
	74	+ __bc_salt(prefix, cost, OpenSSL::Random.random_bytes(MAX_SALT_LENGTH))
74	75	end
75	76	else
76	77	raise Errors::InvalidCost.new("cost must be numeric and > 0")
77	78	end

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dangerousbeans / %aPBe2k3ugtjBr4rrsU1…

Commit ae87ba58f416c1874af79af3b07e26073441c010

use the public domain bcrypt implementation

Files changed