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Import jBCrypt 0.2 (April 23, 2008)

Signed-off-by: Coda Hale <coda.hale@gmail.com>
Hongli Lai (Phusion) authored on 8/4/2009, 9:10:46 PM
Coda Hale committed on 8/12/2009, 9:54:47 PM
Parent: 5eb2ceffe71deeb904773c546c43a827e89707fb

Files changed

.gitignorechanged
ext/jruby/BCrypt.javaadded
spec/TestBCrypt.javaadded
.gitignoreView
@@ -2,4 +2,5 @@
22 ext/*.bundle
33 ext/Makefile
44 doc
55 pkg
6+*.class
ext/jruby/BCrypt.javaView
@@ -1,0 +1,750 @@
1+// Copyright (c) 2006 Damien Miller <djm@mindrot.org>
2+//
3+// Permission to use, copy, modify, and distribute this software for any
4+// purpose with or without fee is hereby granted, provided that the above
5+// copyright notice and this permission notice appear in all copies.
6+//
7+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8+// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9+// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
10+// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11+// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
12+// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
13+// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
14+
15+import java.io.UnsupportedEncodingException;
16+
17+import java.security.SecureRandom;
18+
19+/**
20+ * BCrypt implements OpenBSD-style Blowfish password hashing using
21+ * the scheme described in "A Future-Adaptable Password Scheme" by
22+ * Niels Provos and David Mazieres.
23+ * <p>
24+ * This password hashing system tries to thwart off-line password
25+ * cracking using a computationally-intensive hashing algorithm,
26+ * based on Bruce Schneier's Blowfish cipher. The work factor of
27+ * the algorithm is parameterised, so it can be increased as
28+ * computers get faster.
29+ * <p>
30+ * Usage is really simple. To hash a password for the first time,
31+ * call the hashpw method with a random salt, like this:
32+ * <p>
33+ * <code>
34+ * String pw_hash = BCrypt.hashpw(plain_password, BCrypt.gensalt()); <br />
35+ * </code>
36+ * <p>
37+ * To check whether a plaintext password matches one that has been
38+ * hashed previously, use the checkpw method:
39+ * <p>
40+ * <code>
41+ * if (BCrypt.checkpw(candidate_password, stored_hash))<br />
42+ * &nbsp;&nbsp;&nbsp;&nbsp;System.out.println("It matches");<br />
43+ * else<br />
44+ * &nbsp;&nbsp;&nbsp;&nbsp;System.out.println("It does not match");<br />
45+ * </code>
46+ * <p>
47+ * The gensalt() method takes an optional parameter (log_rounds)
48+ * that determines the computational complexity of the hashing:
49+ * <p>
50+ * <code>
51+ * String strong_salt = BCrypt.gensalt(10)<br />
52+ * String stronger_salt = BCrypt.gensalt(12)<br />
53+ * </code>
54+ * <p>
55+ * The amount of work increases exponentially (2**log_rounds), so
56+ * each increment is twice as much work. The default log_rounds is
57+ * 10, and the valid range is 4 to 31.
58+ *
59+ * @author Damien Miller
60+ * @version 0.2
61+ */
62+public class BCrypt {
63+ // BCrypt parameters
64+ private static int GENSALT_DEFAULT_LOG2_ROUNDS = 10;
65+ private static final int BCRYPT_SALT_LEN = 16;
66+
67+ // Blowfish parameters
68+ private static final int BLOWFISH_NUM_ROUNDS = 16;
69+
70+ // Initial contents of key schedule
71+ private static final int P_orig[] = {
72+ 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344,
73+ 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89,
74+ 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
75+ 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917,
76+ 0x9216d5d9, 0x8979fb1b
77+ };
78+ private static final int S_orig[] = {
79+ 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7,
80+ 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99,
81+ 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16,
82+ 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e,
83+ 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee,
84+ 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
85+ 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef,
86+ 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e,
87+ 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60,
88+ 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,
89+ 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce,
90+ 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
91+ 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e,
92+ 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677,
93+ 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
94+ 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032,
95+ 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88,
96+ 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
97+ 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e,
98+ 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0,
99+ 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3,
100+ 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98,
101+ 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88,
102+ 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
103+ 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6,
104+ 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d,
105+ 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b,
106+ 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7,
107+ 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba,
108+ 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
109+ 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f,
110+ 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09,
111+ 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3,
112+ 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb,
113+ 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279,
114+ 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
115+ 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab,
116+ 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82,
117+ 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db,
118+ 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573,
119+ 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0,
120+ 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
121+ 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790,
122+ 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8,
123+ 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4,
124+ 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0,
125+ 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7,
126+ 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
127+ 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad,
128+ 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1,
129+ 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299,
130+ 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9,
131+ 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477,
132+ 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
133+ 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49,
134+ 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af,
135+ 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa,
136+ 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5,
137+ 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41,
138+ 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
139+ 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400,
140+ 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915,
141+ 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664,
142+ 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a,
143+ 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623,
144+ 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266,
145+ 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1,
146+ 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e,
147+ 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6,
148+ 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
149+ 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e,
150+ 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1,
151+ 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737,
152+ 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8,
153+ 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff,
154+ 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
155+ 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701,
156+ 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7,
157+ 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41,
158+ 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331,
159+ 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf,
160+ 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
161+ 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e,
162+ 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87,
163+ 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c,
164+ 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2,
165+ 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16,
166+ 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
167+ 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b,
168+ 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509,
169+ 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e,
170+ 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3,
171+ 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f,
172+ 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
173+ 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4,
174+ 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960,
175+ 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66,
176+ 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28,
177+ 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802,
178+ 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
179+ 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510,
180+ 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf,
181+ 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14,
182+ 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e,
183+ 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50,
184+ 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
185+ 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8,
186+ 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281,
187+ 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99,
188+ 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696,
189+ 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128,
190+ 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
191+ 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0,
192+ 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0,
193+ 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105,
194+ 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250,
195+ 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3,
196+ 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
197+ 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00,
198+ 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061,
199+ 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb,
200+ 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e,
201+ 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735,
202+ 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
203+ 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9,
204+ 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340,
205+ 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20,
206+ 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7,
207+ 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934,
208+ 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,
209+ 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af,
210+ 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840,
211+ 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45,
212+ 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
213+ 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a,
214+ 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb,
215+ 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee,
216+ 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6,
217+ 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42,
218+ 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
219+ 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2,
220+ 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb,
221+ 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527,
222+ 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b,
223+ 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33,
224+ 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
225+ 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3,
226+ 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc,
227+ 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17,
228+ 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564,
229+ 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b,
230+ 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
231+ 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922,
232+ 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728,
233+ 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,
234+ 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e,
235+ 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37,
236+ 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
237+ 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804,
238+ 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b,
239+ 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3,
240+ 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb,
241+ 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d,
242+ 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
243+ 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350,
244+ 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9,
245+ 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a,
246+ 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe,
247+ 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d,
248+ 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
249+ 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f,
250+ 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61,
251+ 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2,
252+ 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9,
253+ 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2,
254+ 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
255+ 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e,
256+ 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633,
257+ 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10,
258+ 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169,
259+ 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52,
260+ 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
261+ 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5,
262+ 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62,
263+ 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,
264+ 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76,
265+ 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24,
266+ 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
267+ 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4,
268+ 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c,
269+ 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837,
270+ 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0,
271+ 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b,
272+ 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe,
273+ 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b,
274+ 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4,
275+ 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8,
276+ 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
277+ 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304,
278+ 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22,
279+ 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4,
280+ 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6,
281+ 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9,
282+ 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
283+ 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593,
284+ 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51,
285+ 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28,
286+ 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c,
287+ 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b,
288+ 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
289+ 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c,
290+ 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd,
291+ 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a,
292+ 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319,
293+ 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb,
294+ 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
295+ 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991,
296+ 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32,
297+ 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680,
298+ 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166,
299+ 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae,
300+ 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
301+ 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5,
302+ 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47,
303+ 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,
304+ 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d,
305+ 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84,
306+ 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
307+ 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8,
308+ 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd,
309+ 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9,
310+ 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7,
311+ 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38,
312+ 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
313+ 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c,
314+ 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525,
315+ 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1,
316+ 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442,
317+ 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964,
318+ 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
319+ 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8,
320+ 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d,
321+ 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f,
322+ 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299,
323+ 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02,
324+ 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
325+ 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614,
326+ 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a,
327+ 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6,
328+ 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,
329+ 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0,
330+ 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
331+ 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e,
332+ 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9,
333+ 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
334+ 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6
335+ };
336+
337+ // bcrypt IV: "OrpheanBeholderScryDoubt"
338+ static private final int bf_crypt_ciphertext[] = {
339+ 0x4f727068, 0x65616e42, 0x65686f6c,
340+ 0x64657253, 0x63727944, 0x6f756274
341+ };
342+
343+ // Table for Base64 encoding
344+ static private final char base64_code[] = {
345+ '.', '/', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
346+ 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V',
347+ 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
348+ 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
349+ 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5',
350+ '6', '7', '8', '9'
351+ };
352+
353+ // Table for Base64 decoding
354+ static private final byte index_64[] = {
355+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
356+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
357+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
358+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
359+ -1, -1, -1, -1, -1, -1, 0, 1, 54, 55,
360+ 56, 57, 58, 59, 60, 61, 62, 63, -1, -1,
361+ -1, -1, -1, -1, -1, 2, 3, 4, 5, 6,
362+ 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
363+ 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
364+ -1, -1, -1, -1, -1, -1, 28, 29, 30,
365+ 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
366+ 41, 42, 43, 44, 45, 46, 47, 48, 49, 50,
367+ 51, 52, 53, -1, -1, -1, -1, -1
368+ };
369+
370+ // Expanded Blowfish key
371+ private int P[];
372+ private int S[];
373+
374+ /**
375+ * Encode a byte array using bcrypt's slightly-modified base64
376+ * encoding scheme. Note that this is *not* compatible with
377+ * the standard MIME-base64 encoding.
378+ *
379+ * @param d the byte array to encode
380+ * @param len the number of bytes to encode
381+ * @return base64-encoded string
382+ * @exception IllegalArgumentException if the length is invalid
383+ */
384+ private static String encode_base64(byte d[], int len)
385+ throws IllegalArgumentException {
386+ int off = 0;
387+ StringBuffer rs = new StringBuffer();
388+ int c1, c2;
389+
390+ if (len <= 0 || len > d.length)
391+ throw new IllegalArgumentException ("Invalid len");
392+
393+ while (off < len) {
394+ c1 = d[off++] & 0xff;
395+ rs.append(base64_code[(c1 >> 2) & 0x3f]);
396+ c1 = (c1 & 0x03) << 4;
397+ if (off >= len) {
398+ rs.append(base64_code[c1 & 0x3f]);
399+ break;
400+ }
401+ c2 = d[off++] & 0xff;
402+ c1 |= (c2 >> 4) & 0x0f;
403+ rs.append(base64_code[c1 & 0x3f]);
404+ c1 = (c2 & 0x0f) << 2;
405+ if (off >= len) {
406+ rs.append(base64_code[c1 & 0x3f]);
407+ break;
408+ }
409+ c2 = d[off++] & 0xff;
410+ c1 |= (c2 >> 6) & 0x03;
411+ rs.append(base64_code[c1 & 0x3f]);
412+ rs.append(base64_code[c2 & 0x3f]);
413+ }
414+ return rs.toString();
415+ }
416+
417+ /**
418+ * Look up the 3 bits base64-encoded by the specified character,
419+ * range-checking againt conversion table
420+ * @param x the base64-encoded value
421+ * @return the decoded value of x
422+ */
423+ private static byte char64(char x) {
424+ if ((int)x < 0 || (int)x > index_64.length)
425+ return -1;
426+ return index_64[(int)x];
427+ }
428+
429+ /**
430+ * Decode a string encoded using bcrypt's base64 scheme to a
431+ * byte array. Note that this is *not* compatible with
432+ * the standard MIME-base64 encoding.
433+ * @param s the string to decode
434+ * @param maxolen the maximum number of bytes to decode
435+ * @return an array containing the decoded bytes
436+ * @throws IllegalArgumentException if maxolen is invalid
437+ */
438+ private static byte[] decode_base64(String s, int maxolen)
439+ throws IllegalArgumentException {
440+ StringBuffer rs = new StringBuffer();
441+ int off = 0, slen = s.length(), olen = 0;
442+ byte ret[];
443+ byte c1, c2, c3, c4, o;
444+
445+ if (maxolen <= 0)
446+ throw new IllegalArgumentException ("Invalid maxolen");
447+
448+ while (off < slen - 1 && olen < maxolen) {
449+ c1 = char64(s.charAt(off++));
450+ c2 = char64(s.charAt(off++));
451+ if (c1 == -1 || c2 == -1)
452+ break;
453+ o = (byte)(c1 << 2);
454+ o |= (c2 & 0x30) >> 4;
455+ rs.append((char)o);
456+ if (++olen >= maxolen || off >= slen)
457+ break;
458+ c3 = char64(s.charAt(off++));
459+ if (c3 == -1)
460+ break;
461+ o = (byte)((c2 & 0x0f) << 4);
462+ o |= (c3 & 0x3c) >> 2;
463+ rs.append((char)o);
464+ if (++olen >= maxolen || off >= slen)
465+ break;
466+ c4 = char64(s.charAt(off++));
467+ o = (byte)((c3 & 0x03) << 6);
468+ o |= c4;
469+ rs.append((char)o);
470+ ++olen;
471+ }
472+
473+ ret = new byte[olen];
474+ for (off = 0; off < olen; off++)
475+ ret[off] = (byte)rs.charAt(off);
476+ return ret;
477+ }
478+
479+ /**
480+ * Blowfish encipher a single 64-bit block encoded as
481+ * two 32-bit halves
482+ * @param lr an array containing the two 32-bit half blocks
483+ * @param off the position in the array of the blocks
484+ */
485+ private final void encipher(int lr[], int off) {
486+ int i, n, l = lr[off], r = lr[off + 1];
487+
488+ l ^= P[0];
489+ for (i = 0; i <= BLOWFISH_NUM_ROUNDS - 2;) {
490+ // Feistel substitution on left word
491+ n = S[(l >> 24) & 0xff];
492+ n += S[0x100 | ((l >> 16) & 0xff)];
493+ n ^= S[0x200 | ((l >> 8) & 0xff)];
494+ n += S[0x300 | (l & 0xff)];
495+ r ^= n ^ P[++i];
496+
497+ // Feistel substitution on right word
498+ n = S[(r >> 24) & 0xff];
499+ n += S[0x100 | ((r >> 16) & 0xff)];
500+ n ^= S[0x200 | ((r >> 8) & 0xff)];
501+ n += S[0x300 | (r & 0xff)];
502+ l ^= n ^ P[++i];
503+ }
504+ lr[off] = r ^ P[BLOWFISH_NUM_ROUNDS + 1];
505+ lr[off + 1] = l;
506+ }
507+
508+ /**
509+ * Cycically extract a word of key material
510+ * @param data the string to extract the data from
511+ * @param offp a "pointer" (as a one-entry array) to the
512+ * current offset into data
513+ * @return the next word of material from data
514+ */
515+ private static int streamtoword(byte data[], int offp[]) {
516+ int i;
517+ int word = 0;
518+ int off = offp[0];
519+
520+ for (i = 0; i < 4; i++) {
521+ word = (word << 8) | (data[off] & 0xff);
522+ off = (off + 1) % data.length;
523+ }
524+
525+ offp[0] = off;
526+ return word;
527+ }
528+
529+ /**
530+ * Initialise the Blowfish key schedule
531+ */
532+ private void init_key() {
533+ P = (int[])P_orig.clone();
534+ S = (int[])S_orig.clone();
535+ }
536+
537+ /**
538+ * Key the Blowfish cipher
539+ * @param key an array containing the key
540+ */
541+ private void key(byte key[]) {
542+ int i;
543+ int koffp[] = { 0 };
544+ int lr[] = { 0, 0 };
545+ int plen = P.length, slen = S.length;
546+
547+ for (i = 0; i < plen; i++)
548+ P[i] = P[i] ^ streamtoword(key, koffp);
549+
550+ for (i = 0; i < plen; i += 2) {
551+ encipher(lr, 0);
552+ P[i] = lr[0];
553+ P[i + 1] = lr[1];
554+ }
555+
556+ for (i = 0; i < slen; i += 2) {
557+ encipher(lr, 0);
558+ S[i] = lr[0];
559+ S[i + 1] = lr[1];
560+ }
561+ }
562+
563+ /**
564+ * Perform the "enhanced key schedule" step described by
565+ * Provos and Mazieres in "A Future-Adaptable Password Scheme"
566+ * http://www.openbsd.org/papers/bcrypt-paper.ps
567+ * @param data salt information
568+ * @param key password information
569+ */
570+ private void ekskey(byte data[], byte key[]) {
571+ int i;
572+ int koffp[] = { 0 }, doffp[] = { 0 };
573+ int lr[] = { 0, 0 };
574+ int plen = P.length, slen = S.length;
575+
576+ for (i = 0; i < plen; i++)
577+ P[i] = P[i] ^ streamtoword(key, koffp);
578+
579+ for (i = 0; i < plen; i += 2) {
580+ lr[0] ^= streamtoword(data, doffp);
581+ lr[1] ^= streamtoword(data, doffp);
582+ encipher(lr, 0);
583+ P[i] = lr[0];
584+ P[i + 1] = lr[1];
585+ }
586+
587+ for (i = 0; i < slen; i += 2) {
588+ lr[0] ^= streamtoword(data, doffp);
589+ lr[1] ^= streamtoword(data, doffp);
590+ encipher(lr, 0);
591+ S[i] = lr[0];
592+ S[i + 1] = lr[1];
593+ }
594+ }
595+
596+ /**
597+ * Perform the central password hashing step in the
598+ * bcrypt scheme
599+ * @param password the password to hash
600+ * @param salt the binary salt to hash with the password
601+ * @param log_rounds the binary logarithm of the number
602+ * of rounds of hashing to apply
603+ * @return an array containing the binary hashed password
604+ */
605+ private byte[] crypt_raw(byte password[], byte salt[], int log_rounds) {
606+ int rounds, i, j;
607+ int cdata[] = (int[])bf_crypt_ciphertext.clone();
608+ int clen = cdata.length;
609+ byte ret[];
610+
611+ if (log_rounds < 4 || log_rounds > 31)
612+ throw new IllegalArgumentException ("Bad number of rounds");
613+ rounds = 1 << log_rounds;
614+ if (salt.length != BCRYPT_SALT_LEN)
615+ throw new IllegalArgumentException ("Bad salt length");
616+
617+ init_key();
618+ ekskey(salt, password);
619+ for (i = 0; i < rounds; i++) {
620+ key(password);
621+ key(salt);
622+ }
623+
624+ for (i = 0; i < 64; i++) {
625+ for (j = 0; j < (clen >> 1); j++)
626+ encipher(cdata, j << 1);
627+ }
628+
629+ ret = new byte[clen * 4];
630+ for (i = 0, j = 0; i < clen; i++) {
631+ ret[j++] = (byte)((cdata[i] >> 24) & 0xff);
632+ ret[j++] = (byte)((cdata[i] >> 16) & 0xff);
633+ ret[j++] = (byte)((cdata[i] >> 8) & 0xff);
634+ ret[j++] = (byte)(cdata[i] & 0xff);
635+ }
636+ return ret;
637+ }
638+
639+ /**
640+ * Hash a password using the OpenBSD bcrypt scheme
641+ * @param password the password to hash
642+ * @param salt the salt to hash with (perhaps generated
643+ * using BCrypt.gensalt)
644+ * @return the hashed password
645+ */
646+ public static String hashpw(String password, String salt) {
647+ BCrypt B;
648+ String real_salt;
649+ byte passwordb[], saltb[], hashed[];
650+ char minor = (char)0;
651+ int rounds, off = 0;
652+ StringBuffer rs = new StringBuffer();
653+
654+ if (salt.charAt(0) != '$' || salt.charAt(1) != '2')
655+ throw new IllegalArgumentException ("Invalid salt version");
656+ if (salt.charAt(1) != '$') {
657+ minor = salt.charAt(2);
658+ if (minor != 'a' || salt.charAt(3) != '$')
659+ throw new IllegalArgumentException ("Invalid salt revision");
660+ off = 4;
661+ } else
662+ off = 3;
663+
664+ // Extract number of rounds
665+ if (salt.charAt(off + 2) > '$')
666+ throw new IllegalArgumentException ("Missing salt rounds");
667+ rounds = Integer.parseInt(salt.substring(off, off + 2));
668+
669+ real_salt = salt.substring(off + 3, off + 25);
670+ try {
671+ passwordb = (password + (minor >= 'a' ? "\000" : "")).getBytes("US-ASCII");
672+ } catch (UnsupportedEncodingException uee) {
673+ // The JDK guarantees that US-ASCII is supported.
674+ throw new AssertionError("US-ASCII is not supported");
675+ }
676+
677+ saltb = decode_base64(real_salt, BCRYPT_SALT_LEN);
678+
679+ B = new BCrypt();
680+ hashed = B.crypt_raw(passwordb, saltb, rounds);
681+
682+ rs.append("$2");
683+ if (minor >= 'a')
684+ rs.append(minor);
685+ rs.append("$");
686+ if (rounds < 10)
687+ rs.append("0");
688+ rs.append(Integer.toString(rounds));
689+ rs.append("$");
690+ rs.append(encode_base64(saltb, saltb.length));
691+ rs.append(encode_base64(hashed,
692+ bf_crypt_ciphertext.length * 4 - 1));
693+ return rs.toString();
694+ }
695+
696+ /**
697+ * Generate a salt for use with the BCrypt.hashpw() method
698+ * @param log_rounds the log2 of the number of rounds of
699+ * hashing to apply - the work factor therefore increases as
700+ * 2**log_rounds.
701+ * @param random an instance of SecureRandom to use
702+ * @return an encoded salt value
703+ */
704+ public static String gensalt(int log_rounds, SecureRandom random) {
705+ StringBuffer rs = new StringBuffer();
706+ byte rnd[] = new byte[BCRYPT_SALT_LEN];
707+
708+ random.nextBytes(rnd);
709+
710+ rs.append("$2a$");
711+ if (log_rounds < 10)
712+ rs.append("0");
713+ rs.append(Integer.toString(log_rounds));
714+ rs.append("$");
715+ rs.append(encode_base64(rnd, rnd.length));
716+ return rs.toString();
717+ }
718+
719+ /**
720+ * Generate a salt for use with the BCrypt.hashpw() method
721+ * @param log_rounds the log2 of the number of rounds of
722+ * hashing to apply - the work factor therefore increases as
723+ * 2**log_rounds.
724+ * @return an encoded salt value
725+ */
726+ public static String gensalt(int log_rounds) {
727+ return gensalt(log_rounds, new SecureRandom());
728+ }
729+
730+ /**
731+ * Generate a salt for use with the BCrypt.hashpw() method,
732+ * selecting a reasonable default for the number of hashing
733+ * rounds to apply
734+ * @return an encoded salt value
735+ */
736+ public static String gensalt() {
737+ return gensalt(GENSALT_DEFAULT_LOG2_ROUNDS);
738+ }
739+
740+ /**
741+ * Check that a plaintext password matches a previously hashed
742+ * one
743+ * @param plaintext the plaintext password to verify
744+ * @param hashed the previously-hashed password
745+ * @return true if the passwords match, false otherwise
746+ */
747+ public static boolean checkpw(String plaintext, String hashed) {
748+ return (hashed.compareTo(hashpw(plaintext, hashed)) == 0);
749+ }
750+}
spec/TestBCrypt.javaView
@@ -1,0 +1,175 @@
1+// Copyright (c) 2006 Damien Miller <djm@mindrot.org>
2+//
3+// Permission to use, copy, modify, and distribute this software for any
4+// purpose with or without fee is hereby granted, provided that the above
5+// copyright notice and this permission notice appear in all copies.
6+//
7+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8+// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9+// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
10+// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11+// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
12+// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
13+// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
14+
15+import junit.framework.TestCase;
16+
17+/**
18+ * JUnit unit tests for BCrypt routines
19+ * @author Damien Miller
20+ * @version 0.2
21+ */
22+public class TestBCrypt extends TestCase {
23+ String test_vectors[][] = {
24+ { "",
25+ "$2a$06$DCq7YPn5Rq63x1Lad4cll.",
26+ "$2a$06$DCq7YPn5Rq63x1Lad4cll.TV4S6ytwfsfvkgY8jIucDrjc8deX1s." },
27+ { "",
28+ "$2a$08$HqWuK6/Ng6sg9gQzbLrgb.",
29+ "$2a$08$HqWuK6/Ng6sg9gQzbLrgb.Tl.ZHfXLhvt/SgVyWhQqgqcZ7ZuUtye" },
30+ { "",
31+ "$2a$10$k1wbIrmNyFAPwPVPSVa/ze",
32+ "$2a$10$k1wbIrmNyFAPwPVPSVa/zecw2BCEnBwVS2GbrmgzxFUOqW9dk4TCW" },
33+ { "",
34+ "$2a$12$k42ZFHFWqBp3vWli.nIn8u",
35+ "$2a$12$k42ZFHFWqBp3vWli.nIn8uYyIkbvYRvodzbfbK18SSsY.CsIQPlxO" },
36+ { "a",
37+ "$2a$06$m0CrhHm10qJ3lXRY.5zDGO",
38+ "$2a$06$m0CrhHm10qJ3lXRY.5zDGO3rS2KdeeWLuGmsfGlMfOxih58VYVfxe" },
39+ { "a",
40+ "$2a$08$cfcvVd2aQ8CMvoMpP2EBfe",
41+ "$2a$08$cfcvVd2aQ8CMvoMpP2EBfeodLEkkFJ9umNEfPD18.hUF62qqlC/V." },
42+ { "a",
43+ "$2a$10$k87L/MF28Q673VKh8/cPi.",
44+ "$2a$10$k87L/MF28Q673VKh8/cPi.SUl7MU/rWuSiIDDFayrKk/1tBsSQu4u" },
45+ { "a",
46+ "$2a$12$8NJH3LsPrANStV6XtBakCe",
47+ "$2a$12$8NJH3LsPrANStV6XtBakCez0cKHXVxmvxIlcz785vxAIZrihHZpeS" },
48+ { "abc",
49+ "$2a$06$If6bvum7DFjUnE9p2uDeDu",
50+ "$2a$06$If6bvum7DFjUnE9p2uDeDu0YHzrHM6tf.iqN8.yx.jNN1ILEf7h0i" },
51+ { "abc",
52+ "$2a$08$Ro0CUfOqk6cXEKf3dyaM7O",
53+ "$2a$08$Ro0CUfOqk6cXEKf3dyaM7OhSCvnwM9s4wIX9JeLapehKK5YdLxKcm" },
54+ { "abc",
55+ "$2a$10$WvvTPHKwdBJ3uk0Z37EMR.",
56+ "$2a$10$WvvTPHKwdBJ3uk0Z37EMR.hLA2W6N9AEBhEgrAOljy2Ae5MtaSIUi" },
57+ { "abc",
58+ "$2a$12$EXRkfkdmXn2gzds2SSitu.",
59+ "$2a$12$EXRkfkdmXn2gzds2SSitu.MW9.gAVqa9eLS1//RYtYCmB1eLHg.9q" },
60+ { "abcdefghijklmnopqrstuvwxyz",
61+ "$2a$06$.rCVZVOThsIa97pEDOxvGu",
62+ "$2a$06$.rCVZVOThsIa97pEDOxvGuRRgzG64bvtJ0938xuqzv18d3ZpQhstC" },
63+ { "abcdefghijklmnopqrstuvwxyz",
64+ "$2a$08$aTsUwsyowQuzRrDqFflhge",
65+ "$2a$08$aTsUwsyowQuzRrDqFflhgekJ8d9/7Z3GV3UcgvzQW3J5zMyrTvlz." },
66+ { "abcdefghijklmnopqrstuvwxyz",
67+ "$2a$10$fVH8e28OQRj9tqiDXs1e1u",
68+ "$2a$10$fVH8e28OQRj9tqiDXs1e1uxpsjN0c7II7YPKXua2NAKYvM6iQk7dq" },
69+ { "abcdefghijklmnopqrstuvwxyz",
70+ "$2a$12$D4G5f18o7aMMfwasBL7Gpu",
71+ "$2a$12$D4G5f18o7aMMfwasBL7GpuQWuP3pkrZrOAnqP.bmezbMng.QwJ/pG" },
72+ { "~!@#$%^&*() ~!@#$%^&*()PNBFRD",
73+ "$2a$06$fPIsBO8qRqkjj273rfaOI.",
74+ "$2a$06$fPIsBO8qRqkjj273rfaOI.HtSV9jLDpTbZn782DC6/t7qT67P6FfO" },
75+ { "~!@#$%^&*() ~!@#$%^&*()PNBFRD",
76+ "$2a$08$Eq2r4G/76Wv39MzSX262hu",
77+ "$2a$08$Eq2r4G/76Wv39MzSX262huzPz612MZiYHVUJe/OcOql2jo4.9UxTW" },
78+ { "~!@#$%^&*() ~!@#$%^&*()PNBFRD",
79+ "$2a$10$LgfYWkbzEvQ4JakH7rOvHe",
80+ "$2a$10$LgfYWkbzEvQ4JakH7rOvHe0y8pHKF9OaFgwUZ2q7W2FFZmZzJYlfS" },
81+ { "~!@#$%^&*() ~!@#$%^&*()PNBFRD",
82+ "$2a$12$WApznUOJfkEGSmYRfnkrPO",
83+ "$2a$12$WApznUOJfkEGSmYRfnkrPOr466oFDCaj4b6HY3EXGvfxm43seyhgC" },
84+ };
85+
86+ /**
87+ * Entry point for unit tests
88+ * @param args unused
89+ */
90+ public static void main(String[] args) {
91+ junit.textui.TestRunner.run(TestBCrypt.class);
92+ }
93+
94+ /**
95+ * Test method for 'BCrypt.hashpw(String, String)'
96+ */
97+ public void testHashpw() {
98+ System.out.print("BCrypt.hashpw(): ");
99+ for (int i = 0; i < test_vectors.length; i++) {
100+ String plain = test_vectors[i][0];
101+ String salt = test_vectors[i][1];
102+ String expected = test_vectors[i][2];
103+ String hashed = BCrypt.hashpw(plain, salt);
104+ assertEquals(hashed, expected);
105+ System.out.print(".");
106+ }
107+ System.out.println("");
108+ }
109+
110+ /**
111+ * Test method for 'BCrypt.gensalt(int)'
112+ */
113+ public void testGensaltInt() {
114+ System.out.print("BCrypt.gensalt(log_rounds):");
115+ for (int i = 4; i <= 12; i++) {
116+ System.out.print(" " + Integer.toString(i) + ":");
117+ for (int j = 0; j < test_vectors.length; j += 4) {
118+ String plain = test_vectors[j][0];
119+ String salt = BCrypt.gensalt(i);
120+ String hashed1 = BCrypt.hashpw(plain, salt);
121+ String hashed2 = BCrypt.hashpw(plain, hashed1);
122+ assertEquals(hashed1, hashed2);
123+ System.out.print(".");
124+ }
125+ }
126+ System.out.println("");
127+ }
128+
129+ /**
130+ * Test method for 'BCrypt.gensalt()'
131+ */
132+ public void testGensalt() {
133+ System.out.print("BCrypt.gensalt(): ");
134+ for (int i = 0; i < test_vectors.length; i += 4) {
135+ String plain = test_vectors[i][0];
136+ String salt = BCrypt.gensalt();
137+ String hashed1 = BCrypt.hashpw(plain, salt);
138+ String hashed2 = BCrypt.hashpw(plain, hashed1);
139+ assertEquals(hashed1, hashed2);
140+ System.out.print(".");
141+ }
142+ System.out.println("");
143+ }
144+
145+ /**
146+ * Test method for 'BCrypt.checkpw(String, String)'
147+ * expecting success
148+ */
149+ public void testCheckpw_success() {
150+ System.out.print("BCrypt.checkpw w/ good passwords: ");
151+ for (int i = 0; i < test_vectors.length; i++) {
152+ String plain = test_vectors[i][0];
153+ String expected = test_vectors[i][2];
154+ assertTrue(BCrypt.checkpw(plain, expected));
155+ System.out.print(".");
156+ }
157+ System.out.println("");
158+ }
159+
160+ /**
161+ * Test method for 'BCrypt.checkpw(String, String)'
162+ * expecting failure
163+ */
164+ public void testCheckpw_failure() {
165+ System.out.print("BCrypt.checkpw w/ bad passwords: ");
166+ for (int i = 0; i < test_vectors.length; i++) {
167+ int broken_index = (i + 4) % test_vectors.length;
168+ String plain = test_vectors[i][0];
169+ String expected = test_vectors[broken_index][2];
170+ assertFalse(BCrypt.checkpw(plain, expected));
171+ System.out.print(".");
172+ }
173+ System.out.println("");
174+ }
175+}

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