annotate src/blowfish.c @ 34125:93171f4925c5

Added tag v9.1.0026 for changeset 2630432cb6b19e26bd8916900edd8e6e243bf347
author Christian Brabandt <cb@256bit.org>
date Fri, 12 Jan 2024 18:15:06 +0100
parents 695b50472e85
children
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1 /* vi:set ts=8 sts=4 sw=4 noet:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 *
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9 * Blowfish encryption for Vim; in Blowfish cipher feedback mode.
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10 * Contributed by Mohsin Ahmed, http://www.cs.albany.edu/~mosh
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11 * Based on http://www.schneier.com/blowfish.html by Bruce Schneier.
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12 *
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13 * There are two variants:
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14 * - The old one "blowfish" has a flaw which makes it much easier to crack the
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15 * key. To see this, make a text file with one line of 1000 "x" characters
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16 * and write it encrypted. Use "xxd" to inspect the bytes in the file. You
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17 * will see that a block of 8 bytes repeats 8 times.
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18 * - The new one "blowfish2" is better. It uses an 8 byte CFB to avoid the
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19 * repeats.
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20 */
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21
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22 #include "vim.h"
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23
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24 #if defined(FEAT_CRYPT) || defined(PROTO)
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25
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26 #define BF_BLOCK 8
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27 #define BF_BLOCK_MASK 7
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28 #define BF_MAX_CFB_LEN (8 * BF_BLOCK)
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29
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30 typedef union {
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31 UINT32_T ul[2];
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32 char_u uc[8];
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33 } block8;
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34
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35 #if defined(MSWIN)
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36 // MS-Windows is always little endian
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37 #else
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38 # ifdef HAVE_CONFIG_H
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39 // in configure.ac AC_C_BIGENDIAN() defines WORDS_BIGENDIAN when needed
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40 # else
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41 # error Please change this code to define WORDS_BIGENDIAN for big-endian machines.
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42 # endif
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43 #endif
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44
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45 // The state of encryption, referenced by cryptstate_T.
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46 typedef struct {
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47 UINT32_T pax[18]; // P-array
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48 UINT32_T sbx[4][256]; // S-boxes
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49 int randbyte_offset;
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50 int update_offset;
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51 char_u cfb_buffer[BF_MAX_CFB_LEN]; // up to 64 bytes used
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52 int cfb_len; // size of cfb_buffer actually used
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53 } bf_state_T;
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54
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55
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56 // Blowfish code
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57 static UINT32_T pax_init[18] = {
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58 0x243f6a88u, 0x85a308d3u, 0x13198a2eu,
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64 };
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65
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66 static UINT32_T sbx_init[4][256] = {
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67 {0xd1310ba6u, 0x98dfb5acu, 0x2ffd72dbu, 0xd01adfb7u,
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Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
130 0x53b02d5du, 0xa99f8fa1u, 0x08ba4799u, 0x6e85076au},
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
131 {0x4b7a70e9u, 0xb5b32944u, 0xdb75092eu, 0xc4192623u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
132 0xad6ea6b0u, 0x49a7df7du, 0x9cee60b8u, 0x8fedb266u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
133 0xecaa8c71u, 0x699a17ffu, 0x5664526cu, 0xc2b19ee1u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
134 0x193602a5u, 0x75094c29u, 0xa0591340u, 0xe4183a3eu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
135 0x3f54989au, 0x5b429d65u, 0x6b8fe4d6u, 0x99f73fd6u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
136 0xa1d29c07u, 0xefe830f5u, 0x4d2d38e6u, 0xf0255dc1u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
137 0x4cdd2086u, 0x8470eb26u, 0x6382e9c6u, 0x021ecc5eu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
138 0x09686b3fu, 0x3ebaefc9u, 0x3c971814u, 0x6b6a70a1u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
139 0x687f3584u, 0x52a0e286u, 0xb79c5305u, 0xaa500737u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
140 0x3e07841cu, 0x7fdeae5cu, 0x8e7d44ecu, 0x5716f2b8u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
141 0xb03ada37u, 0xf0500c0du, 0xf01c1f04u, 0x0200b3ffu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
142 0xae0cf51au, 0x3cb574b2u, 0x25837a58u, 0xdc0921bdu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
143 0xd19113f9u, 0x7ca92ff6u, 0x94324773u, 0x22f54701u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
144 0x3ae5e581u, 0x37c2dadcu, 0xc8b57634u, 0x9af3dda7u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
145 0xa9446146u, 0x0fd0030eu, 0xecc8c73eu, 0xa4751e41u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
146 0xe238cd99u, 0x3bea0e2fu, 0x3280bba1u, 0x183eb331u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
147 0x4e548b38u, 0x4f6db908u, 0x6f420d03u, 0xf60a04bfu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
148 0x2cb81290u, 0x24977c79u, 0x5679b072u, 0xbcaf89afu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
149 0xde9a771fu, 0xd9930810u, 0xb38bae12u, 0xdccf3f2eu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
150 0x5512721fu, 0x2e6b7124u, 0x501adde6u, 0x9f84cd87u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
151 0x7a584718u, 0x7408da17u, 0xbc9f9abcu, 0xe94b7d8cu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
152 0xec7aec3au, 0xdb851dfau, 0x63094366u, 0xc464c3d2u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
153 0xef1c1847u, 0x3215d908u, 0xdd433b37u, 0x24c2ba16u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
154 0x12a14d43u, 0x2a65c451u, 0x50940002u, 0x133ae4ddu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
155 0x71dff89eu, 0x10314e55u, 0x81ac77d6u, 0x5f11199bu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
156 0x043556f1u, 0xd7a3c76bu, 0x3c11183bu, 0x5924a509u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
157 0xf28fe6edu, 0x97f1fbfau, 0x9ebabf2cu, 0x1e153c6eu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
158 0x86e34570u, 0xeae96fb1u, 0x860e5e0au, 0x5a3e2ab3u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
159 0x771fe71cu, 0x4e3d06fau, 0x2965dcb9u, 0x99e71d0fu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
160 0x803e89d6u, 0x5266c825u, 0x2e4cc978u, 0x9c10b36au,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
161 0xc6150ebau, 0x94e2ea78u, 0xa5fc3c53u, 0x1e0a2df4u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
162 0xf2f74ea7u, 0x361d2b3du, 0x1939260fu, 0x19c27960u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
163 0x5223a708u, 0xf71312b6u, 0xebadfe6eu, 0xeac31f66u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
164 0xe3bc4595u, 0xa67bc883u, 0xb17f37d1u, 0x018cff28u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
165 0xc332ddefu, 0xbe6c5aa5u, 0x65582185u, 0x68ab9802u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
166 0xeecea50fu, 0xdb2f953bu, 0x2aef7dadu, 0x5b6e2f84u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
167 0x1521b628u, 0x29076170u, 0xecdd4775u, 0x619f1510u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
168 0x13cca830u, 0xeb61bd96u, 0x0334fe1eu, 0xaa0363cfu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
169 0xb5735c90u, 0x4c70a239u, 0xd59e9e0bu, 0xcbaade14u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
170 0xeecc86bcu, 0x60622ca7u, 0x9cab5cabu, 0xb2f3846eu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
171 0x648b1eafu, 0x19bdf0cau, 0xa02369b9u, 0x655abb50u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
172 0x40685a32u, 0x3c2ab4b3u, 0x319ee9d5u, 0xc021b8f7u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
173 0x9b540b19u, 0x875fa099u, 0x95f7997eu, 0x623d7da8u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
174 0xf837889au, 0x97e32d77u, 0x11ed935fu, 0x16681281u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
175 0x0e358829u, 0xc7e61fd6u, 0x96dedfa1u, 0x7858ba99u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
176 0x57f584a5u, 0x1b227263u, 0x9b83c3ffu, 0x1ac24696u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
177 0xcdb30aebu, 0x532e3054u, 0x8fd948e4u, 0x6dbc3128u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
178 0x58ebf2efu, 0x34c6ffeau, 0xfe28ed61u, 0xee7c3c73u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
179 0x5d4a14d9u, 0xe864b7e3u, 0x42105d14u, 0x203e13e0u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
180 0x45eee2b6u, 0xa3aaabeau, 0xdb6c4f15u, 0xfacb4fd0u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
181 0xc742f442u, 0xef6abbb5u, 0x654f3b1du, 0x41cd2105u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
182 0xd81e799eu, 0x86854dc7u, 0xe44b476au, 0x3d816250u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
183 0xcf62a1f2u, 0x5b8d2646u, 0xfc8883a0u, 0xc1c7b6a3u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
184 0x7f1524c3u, 0x69cb7492u, 0x47848a0bu, 0x5692b285u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
185 0x095bbf00u, 0xad19489du, 0x1462b174u, 0x23820e00u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
186 0x58428d2au, 0x0c55f5eau, 0x1dadf43eu, 0x233f7061u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
187 0x3372f092u, 0x8d937e41u, 0xd65fecf1u, 0x6c223bdbu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
188 0x7cde3759u, 0xcbee7460u, 0x4085f2a7u, 0xce77326eu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
189 0xa6078084u, 0x19f8509eu, 0xe8efd855u, 0x61d99735u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
190 0xa969a7aau, 0xc50c06c2u, 0x5a04abfcu, 0x800bcadcu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
191 0x9e447a2eu, 0xc3453484u, 0xfdd56705u, 0x0e1e9ec9u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
192 0xdb73dbd3u, 0x105588cdu, 0x675fda79u, 0xe3674340u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
193 0xc5c43465u, 0x713e38d8u, 0x3d28f89eu, 0xf16dff20u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
194 0x153e21e7u, 0x8fb03d4au, 0xe6e39f2bu, 0xdb83adf7u},
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
195 {0xe93d5a68u, 0x948140f7u, 0xf64c261cu, 0x94692934u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
196 0x411520f7u, 0x7602d4f7u, 0xbcf46b2eu, 0xd4a20068u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
197 0xd4082471u, 0x3320f46au, 0x43b7d4b7u, 0x500061afu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
198 0x1e39f62eu, 0x97244546u, 0x14214f74u, 0xbf8b8840u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
199 0x4d95fc1du, 0x96b591afu, 0x70f4ddd3u, 0x66a02f45u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
200 0xbfbc09ecu, 0x03bd9785u, 0x7fac6dd0u, 0x31cb8504u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
201 0x96eb27b3u, 0x55fd3941u, 0xda2547e6u, 0xabca0a9au,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
202 0x28507825u, 0x530429f4u, 0x0a2c86dau, 0xe9b66dfbu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
203 0x68dc1462u, 0xd7486900u, 0x680ec0a4u, 0x27a18deeu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
204 0x4f3ffea2u, 0xe887ad8cu, 0xb58ce006u, 0x7af4d6b6u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
205 0xaace1e7cu, 0xd3375fecu, 0xce78a399u, 0x406b2a42u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
206 0x20fe9e35u, 0xd9f385b9u, 0xee39d7abu, 0x3b124e8bu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
207 0x1dc9faf7u, 0x4b6d1856u, 0x26a36631u, 0xeae397b2u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
208 0x3a6efa74u, 0xdd5b4332u, 0x6841e7f7u, 0xca7820fbu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
209 0xfb0af54eu, 0xd8feb397u, 0x454056acu, 0xba489527u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
210 0x55533a3au, 0x20838d87u, 0xfe6ba9b7u, 0xd096954bu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
211 0x55a867bcu, 0xa1159a58u, 0xcca92963u, 0x99e1db33u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
212 0xa62a4a56u, 0x3f3125f9u, 0x5ef47e1cu, 0x9029317cu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
213 0xfdf8e802u, 0x04272f70u, 0x80bb155cu, 0x05282ce3u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
214 0x95c11548u, 0xe4c66d22u, 0x48c1133fu, 0xc70f86dcu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
215 0x07f9c9eeu, 0x41041f0fu, 0x404779a4u, 0x5d886e17u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
216 0x325f51ebu, 0xd59bc0d1u, 0xf2bcc18fu, 0x41113564u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
217 0x257b7834u, 0x602a9c60u, 0xdff8e8a3u, 0x1f636c1bu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
218 0x0e12b4c2u, 0x02e1329eu, 0xaf664fd1u, 0xcad18115u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
219 0x6b2395e0u, 0x333e92e1u, 0x3b240b62u, 0xeebeb922u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
220 0x85b2a20eu, 0xe6ba0d99u, 0xde720c8cu, 0x2da2f728u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
221 0xd0127845u, 0x95b794fdu, 0x647d0862u, 0xe7ccf5f0u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
222 0x5449a36fu, 0x877d48fau, 0xc39dfd27u, 0xf33e8d1eu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
223 0x0a476341u, 0x992eff74u, 0x3a6f6eabu, 0xf4f8fd37u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
224 0xa812dc60u, 0xa1ebddf8u, 0x991be14cu, 0xdb6e6b0du,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
225 0xc67b5510u, 0x6d672c37u, 0x2765d43bu, 0xdcd0e804u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
226 0xf1290dc7u, 0xcc00ffa3u, 0xb5390f92u, 0x690fed0bu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
227 0x667b9ffbu, 0xcedb7d9cu, 0xa091cf0bu, 0xd9155ea3u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
228 0xbb132f88u, 0x515bad24u, 0x7b9479bfu, 0x763bd6ebu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
229 0x37392eb3u, 0xcc115979u, 0x8026e297u, 0xf42e312du,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
230 0x6842ada7u, 0xc66a2b3bu, 0x12754cccu, 0x782ef11cu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
231 0x6a124237u, 0xb79251e7u, 0x06a1bbe6u, 0x4bfb6350u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
232 0x1a6b1018u, 0x11caedfau, 0x3d25bdd8u, 0xe2e1c3c9u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
233 0x44421659u, 0x0a121386u, 0xd90cec6eu, 0xd5abea2au,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
234 0x64af674eu, 0xda86a85fu, 0xbebfe988u, 0x64e4c3feu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
235 0x9dbc8057u, 0xf0f7c086u, 0x60787bf8u, 0x6003604du,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
236 0xd1fd8346u, 0xf6381fb0u, 0x7745ae04u, 0xd736fcccu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
237 0x83426b33u, 0xf01eab71u, 0xb0804187u, 0x3c005e5fu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
238 0x77a057beu, 0xbde8ae24u, 0x55464299u, 0xbf582e61u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
239 0x4e58f48fu, 0xf2ddfda2u, 0xf474ef38u, 0x8789bdc2u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
240 0x5366f9c3u, 0xc8b38e74u, 0xb475f255u, 0x46fcd9b9u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
241 0x7aeb2661u, 0x8b1ddf84u, 0x846a0e79u, 0x915f95e2u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
242 0x466e598eu, 0x20b45770u, 0x8cd55591u, 0xc902de4cu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
243 0xb90bace1u, 0xbb8205d0u, 0x11a86248u, 0x7574a99eu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
244 0xb77f19b6u, 0xe0a9dc09u, 0x662d09a1u, 0xc4324633u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
245 0xe85a1f02u, 0x09f0be8cu, 0x4a99a025u, 0x1d6efe10u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
246 0x1ab93d1du, 0x0ba5a4dfu, 0xa186f20fu, 0x2868f169u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
247 0xdcb7da83u, 0x573906feu, 0xa1e2ce9bu, 0x4fcd7f52u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
248 0x50115e01u, 0xa70683fau, 0xa002b5c4u, 0x0de6d027u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
249 0x9af88c27u, 0x773f8641u, 0xc3604c06u, 0x61a806b5u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
250 0xf0177a28u, 0xc0f586e0u, 0x006058aau, 0x30dc7d62u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
251 0x11e69ed7u, 0x2338ea63u, 0x53c2dd94u, 0xc2c21634u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
252 0xbbcbee56u, 0x90bcb6deu, 0xebfc7da1u, 0xce591d76u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
253 0x6f05e409u, 0x4b7c0188u, 0x39720a3du, 0x7c927c24u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
254 0x86e3725fu, 0x724d9db9u, 0x1ac15bb4u, 0xd39eb8fcu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
255 0xed545578u, 0x08fca5b5u, 0xd83d7cd3u, 0x4dad0fc4u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
256 0x1e50ef5eu, 0xb161e6f8u, 0xa28514d9u, 0x6c51133cu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
257 0x6fd5c7e7u, 0x56e14ec4u, 0x362abfceu, 0xddc6c837u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
258 0xd79a3234u, 0x92638212u, 0x670efa8eu, 0x406000e0u},
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
259 {0x3a39ce37u, 0xd3faf5cfu, 0xabc27737u, 0x5ac52d1bu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
260 0x5cb0679eu, 0x4fa33742u, 0xd3822740u, 0x99bc9bbeu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
261 0xd5118e9du, 0xbf0f7315u, 0xd62d1c7eu, 0xc700c47bu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
262 0xb78c1b6bu, 0x21a19045u, 0xb26eb1beu, 0x6a366eb4u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
263 0x5748ab2fu, 0xbc946e79u, 0xc6a376d2u, 0x6549c2c8u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
264 0x530ff8eeu, 0x468dde7du, 0xd5730a1du, 0x4cd04dc6u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
265 0x2939bbdbu, 0xa9ba4650u, 0xac9526e8u, 0xbe5ee304u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
266 0xa1fad5f0u, 0x6a2d519au, 0x63ef8ce2u, 0x9a86ee22u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
267 0xc089c2b8u, 0x43242ef6u, 0xa51e03aau, 0x9cf2d0a4u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
268 0x83c061bau, 0x9be96a4du, 0x8fe51550u, 0xba645bd6u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
269 0x2826a2f9u, 0xa73a3ae1u, 0x4ba99586u, 0xef5562e9u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
270 0xc72fefd3u, 0xf752f7dau, 0x3f046f69u, 0x77fa0a59u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
271 0x80e4a915u, 0x87b08601u, 0x9b09e6adu, 0x3b3ee593u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
272 0xe990fd5au, 0x9e34d797u, 0x2cf0b7d9u, 0x022b8b51u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
273 0x96d5ac3au, 0x017da67du, 0xd1cf3ed6u, 0x7c7d2d28u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
274 0x1f9f25cfu, 0xadf2b89bu, 0x5ad6b472u, 0x5a88f54cu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
275 0xe029ac71u, 0xe019a5e6u, 0x47b0acfdu, 0xed93fa9bu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
276 0xe8d3c48du, 0x283b57ccu, 0xf8d56629u, 0x79132e28u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
277 0x785f0191u, 0xed756055u, 0xf7960e44u, 0xe3d35e8cu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
278 0x15056dd4u, 0x88f46dbau, 0x03a16125u, 0x0564f0bdu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
279 0xc3eb9e15u, 0x3c9057a2u, 0x97271aecu, 0xa93a072au,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
280 0x1b3f6d9bu, 0x1e6321f5u, 0xf59c66fbu, 0x26dcf319u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
281 0x7533d928u, 0xb155fdf5u, 0x03563482u, 0x8aba3cbbu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
282 0x28517711u, 0xc20ad9f8u, 0xabcc5167u, 0xccad925fu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
283 0x4de81751u, 0x3830dc8eu, 0x379d5862u, 0x9320f991u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
284 0xea7a90c2u, 0xfb3e7bceu, 0x5121ce64u, 0x774fbe32u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
285 0xa8b6e37eu, 0xc3293d46u, 0x48de5369u, 0x6413e680u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
286 0xa2ae0810u, 0xdd6db224u, 0x69852dfdu, 0x09072166u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
287 0xb39a460au, 0x6445c0ddu, 0x586cdecfu, 0x1c20c8aeu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
288 0x5bbef7ddu, 0x1b588d40u, 0xccd2017fu, 0x6bb4e3bbu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
289 0xdda26a7eu, 0x3a59ff45u, 0x3e350a44u, 0xbcb4cdd5u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
290 0x72eacea8u, 0xfa6484bbu, 0x8d6612aeu, 0xbf3c6f47u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
291 0xd29be463u, 0x542f5d9eu, 0xaec2771bu, 0xf64e6370u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
292 0x740e0d8du, 0xe75b1357u, 0xf8721671u, 0xaf537d5du,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
293 0x4040cb08u, 0x4eb4e2ccu, 0x34d2466au, 0x0115af84u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
294 0xe1b00428u, 0x95983a1du, 0x06b89fb4u, 0xce6ea048u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
295 0x6f3f3b82u, 0x3520ab82u, 0x011a1d4bu, 0x277227f8u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
296 0x611560b1u, 0xe7933fdcu, 0xbb3a792bu, 0x344525bdu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
297 0xa08839e1u, 0x51ce794bu, 0x2f32c9b7u, 0xa01fbac9u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
298 0xe01cc87eu, 0xbcc7d1f6u, 0xcf0111c3u, 0xa1e8aac7u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
299 0x1a908749u, 0xd44fbd9au, 0xd0dadecbu, 0xd50ada38u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
300 0x0339c32au, 0xc6913667u, 0x8df9317cu, 0xe0b12b4fu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
301 0xf79e59b7u, 0x43f5bb3au, 0xf2d519ffu, 0x27d9459cu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
302 0xbf97222cu, 0x15e6fc2au, 0x0f91fc71u, 0x9b941525u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
303 0xfae59361u, 0xceb69cebu, 0xc2a86459u, 0x12baa8d1u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
304 0xb6c1075eu, 0xe3056a0cu, 0x10d25065u, 0xcb03a442u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
305 0xe0ec6e0eu, 0x1698db3bu, 0x4c98a0beu, 0x3278e964u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
306 0x9f1f9532u, 0xe0d392dfu, 0xd3a0342bu, 0x8971f21eu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
307 0x1b0a7441u, 0x4ba3348cu, 0xc5be7120u, 0xc37632d8u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
308 0xdf359f8du, 0x9b992f2eu, 0xe60b6f47u, 0x0fe3f11du,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
309 0xe54cda54u, 0x1edad891u, 0xce6279cfu, 0xcd3e7e6fu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
310 0x1618b166u, 0xfd2c1d05u, 0x848fd2c5u, 0xf6fb2299u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
311 0xf523f357u, 0xa6327623u, 0x93a83531u, 0x56cccd02u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
312 0xacf08162u, 0x5a75ebb5u, 0x6e163697u, 0x88d273ccu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
313 0xde966292u, 0x81b949d0u, 0x4c50901bu, 0x71c65614u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
314 0xe6c6c7bdu, 0x327a140au, 0x45e1d006u, 0xc3f27b9au,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
315 0xc9aa53fdu, 0x62a80f00u, 0xbb25bfe2u, 0x35bdd2f6u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
316 0x71126905u, 0xb2040222u, 0xb6cbcf7cu, 0xcd769c2bu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
317 0x53113ec0u, 0x1640e3d3u, 0x38abbd60u, 0x2547adf0u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
318 0xba38209cu, 0xf746ce76u, 0x77afa1c5u, 0x20756060u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
319 0x85cbfe4eu, 0x8ae88dd8u, 0x7aaaf9b0u, 0x4cf9aa7eu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
320 0x1948c25cu, 0x02fb8a8cu, 0x01c36ae4u, 0xd6ebe1f9u,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
321 0x90d4f869u, 0xa65cdea0u, 0x3f09252du, 0xc208e69fu,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
322 0xb74e6132u, 0xce77e25bu, 0x578fdfe3u, 0x3ac372e6u
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
323 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
324 };
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
325
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
326 #define F1(i) \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
327 xl ^= bfs->pax[i]; \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
328 xr ^= ((bfs->sbx[0][xl >> 24] + \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
329 bfs->sbx[1][(xl & 0xFF0000) >> 16]) ^ \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
330 bfs->sbx[2][(xl & 0xFF00) >> 8]) + \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
331 bfs->sbx[3][xl & 0xFF];
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
332
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
333 #define F2(i) \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
334 xr ^= bfs->pax[i]; \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
335 xl ^= ((bfs->sbx[0][xr >> 24] + \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
336 bfs->sbx[1][(xr & 0xFF0000) >> 16]) ^ \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
337 bfs->sbx[2][(xr & 0xFF00) >> 8]) + \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
338 bfs->sbx[3][xr & 0xFF];
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
339
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
340 static void
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
341 bf_e_block(
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
342 bf_state_T *bfs,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
343 UINT32_T *p_xl,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
344 UINT32_T *p_xr)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
345 {
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
346 UINT32_T temp;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
347 UINT32_T xl = *p_xl;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
348 UINT32_T xr = *p_xr;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
349
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
350 F1(0) F2(1)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
351 F1(2) F2(3)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
352 F1(4) F2(5)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
353 F1(6) F2(7)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
354 F1(8) F2(9)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
355 F1(10) F2(11)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
356 F1(12) F2(13)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
357 F1(14) F2(15)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
358 xl ^= bfs->pax[16];
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
359 xr ^= bfs->pax[17];
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
360 temp = xl;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
361 xl = xr;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
362 xr = temp;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
363 *p_xl = xl;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
364 *p_xr = xr;
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parents: 32669
diff changeset
365 }
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parents: 32669
diff changeset
366
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diff changeset
367
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diff changeset
368 #ifdef WORDS_BIGENDIAN
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diff changeset
369 # define htonl2(x) \
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370 x = ((((x) & 0xffL) << 24) | (((x) & 0xff00L) << 8) | \
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parents: 32669
diff changeset
371 (((x) & 0xff0000L) >> 8) | (((x) & 0xff000000L) >> 24))
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diff changeset
372 #else
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diff changeset
373 # define htonl2(x)
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diff changeset
374 #endif
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375
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diff changeset
376 static void
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diff changeset
377 bf_e_cblock(
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parents: 32669
diff changeset
378 bf_state_T *bfs,
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diff changeset
379 char_u *block)
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parents: 32669
diff changeset
380 {
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parents: 32669
diff changeset
381 block8 bk;
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parents: 32669
diff changeset
382
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diff changeset
383 memcpy(bk.uc, block, 8);
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parents: 32669
diff changeset
384 htonl2(bk.ul[0]);
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parents: 32669
diff changeset
385 htonl2(bk.ul[1]);
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parents: 32669
diff changeset
386 bf_e_block(bfs, &bk.ul[0], &bk.ul[1]);
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diff changeset
387 htonl2(bk.ul[0]);
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parents: 32669
diff changeset
388 htonl2(bk.ul[1]);
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diff changeset
389 memcpy(block, bk.uc, 8);
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diff changeset
390 }
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diff changeset
391
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diff changeset
392 /*
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diff changeset
393 * Initialize the crypt method using "password" as the encryption key and
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394 * "salt[salt_len]" as the salt.
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diff changeset
395 */
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diff changeset
396 static void
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diff changeset
397 bf_key_init(
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diff changeset
398 bf_state_T *bfs,
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diff changeset
399 char_u *password,
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diff changeset
400 char_u *salt,
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diff changeset
401 int salt_len)
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diff changeset
402 {
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diff changeset
403 int i, j, keypos = 0;
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diff changeset
404 unsigned u;
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diff changeset
405 UINT32_T val, data_l, data_r;
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diff changeset
406 char_u *key;
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diff changeset
407 int keylen;
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diff changeset
408
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diff changeset
409 // Process the key 1001 times.
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diff changeset
410 // See http://en.wikipedia.org/wiki/Key_strengthening.
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411 key = sha256_key(password, salt, salt_len);
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412 for (i = 0; i < 1000; i++)
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413 key = sha256_key(key, salt, salt_len);
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diff changeset
414
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diff changeset
415 // Convert the key from 64 hex chars to 32 binary chars.
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diff changeset
416 keylen = (int)STRLEN(key) / 2;
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diff changeset
417 if (keylen == 0)
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diff changeset
418 {
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diff changeset
419 iemsg(e_bf_key_init_called_with_empty_password);
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diff changeset
420 return;
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parents: 32669
diff changeset
421 }
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diff changeset
422 for (i = 0; i < keylen; i++)
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diff changeset
423 {
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diff changeset
424 sscanf((char *)&key[i * 2], "%2x", &u);
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parents: 32669
diff changeset
425 key[i] = u;
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parents: 32669
diff changeset
426 }
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diff changeset
427
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diff changeset
428 // Use "key" to initialize the P-array ("pax") and S-boxes ("sbx") of
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diff changeset
429 // Blowfish.
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diff changeset
430 mch_memmove(bfs->sbx, sbx_init, 4 * 4 * 256);
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parents: 32669
diff changeset
431
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diff changeset
432 for (i = 0; i < 18; ++i)
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parents: 32669
diff changeset
433 {
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diff changeset
434 val = 0;
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diff changeset
435 for (j = 0; j < 4; ++j)
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parents: 32669
diff changeset
436 val = (val << 8) | key[keypos++ % keylen];
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parents: 32669
diff changeset
437 bfs->pax[i] = pax_init[i] ^ val;
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parents: 32669
diff changeset
438 }
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diff changeset
439
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diff changeset
440 data_l = data_r = 0;
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diff changeset
441 for (i = 0; i < 18; i += 2)
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parents: 32669
diff changeset
442 {
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diff changeset
443 bf_e_block(bfs, &data_l, &data_r);
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parents: 32669
diff changeset
444 bfs->pax[i + 0] = data_l;
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parents: 32669
diff changeset
445 bfs->pax[i + 1] = data_r;
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parents: 32669
diff changeset
446 }
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parents: 32669
diff changeset
447
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parents: 32669
diff changeset
448 for (i = 0; i < 4; ++i)
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diff changeset
449 {
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diff changeset
450 for (j = 0; j < 256; j += 2)
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diff changeset
451 {
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diff changeset
452 bf_e_block(bfs, &data_l, &data_r);
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parents: 32669
diff changeset
453 bfs->sbx[i][j + 0] = data_l;
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diff changeset
454 bfs->sbx[i][j + 1] = data_r;
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parents: 32669
diff changeset
455 }
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parents: 32669
diff changeset
456 }
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parents: 32669
diff changeset
457 }
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parents: 32669
diff changeset
458
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parents: 32669
diff changeset
459 /*
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parents: 32669
diff changeset
460 * Blowfish self-test for corrupted tables or instructions.
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parents: 32669
diff changeset
461 */
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diff changeset
462 static int
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diff changeset
463 bf_check_tables(
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diff changeset
464 UINT32_T pax[18],
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diff changeset
465 UINT32_T sbx[4][256],
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diff changeset
466 UINT32_T val)
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diff changeset
467 {
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diff changeset
468 int i, j;
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parents: 32669
diff changeset
469 UINT32_T c = 0;
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parents: 32669
diff changeset
470
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Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
471 for (i = 0; i < 18; i++)
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Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
472 c ^= pax[i];
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parents: 32669
diff changeset
473 for (i = 0; i < 4; i++)
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parents: 32669
diff changeset
474 for (j = 0; j < 256; j++)
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parents: 32669
diff changeset
475 c ^= sbx[i][j];
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Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
476 return c == val;
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parents: 32669
diff changeset
477 }
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parents: 32669
diff changeset
478
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parents: 32669
diff changeset
479 typedef struct {
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parents: 32669
diff changeset
480 char_u password[64];
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parents: 32669
diff changeset
481 char_u salt[9];
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parents: 32669
diff changeset
482 char_u plaintxt[9];
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Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
483 char_u cryptxt[9];
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parents: 32669
diff changeset
484 char_u badcryptxt[9]; // cryptxt when big/little endian is wrong
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parents: 32669
diff changeset
485 UINT32_T keysum;
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parents: 32669
diff changeset
486 } struct_bf_test_data;
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parents: 32669
diff changeset
487
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parents: 32669
diff changeset
488 /*
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parents: 32669
diff changeset
489 * Assert bf(password, plaintxt) is cryptxt.
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parents: 32669
diff changeset
490 * Assert csum(pax sbx(password)) is keysum.
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parents: 32669
diff changeset
491 */
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diff changeset
492 static struct_bf_test_data bf_test_data[] = {
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parents: 32669
diff changeset
493 {
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parents: 32669
diff changeset
494 "password",
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parents: 32669
diff changeset
495 "salt",
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parents: 32669
diff changeset
496 "plaintxt",
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parents: 32669
diff changeset
497 "\xad\x3d\xfa\x7f\xe8\xea\x40\xf6", // cryptxt
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parents: 32669
diff changeset
498 "\x72\x50\x3b\x38\x10\x60\x22\xa7", // badcryptxt
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parents: 32669
diff changeset
499 0x56701b5du // keysum
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parents: 32669
diff changeset
500 },
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parents: 32669
diff changeset
501 };
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parents: 32669
diff changeset
502
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Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
503 /*
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parents: 32669
diff changeset
504 * Return FAIL when there is something wrong with blowfish encryption.
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parents: 32669
diff changeset
505 */
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parents: 32669
diff changeset
506 static int
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parents: 32669
diff changeset
507 bf_self_test(void)
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parents: 32669
diff changeset
508 {
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parents: 32669
diff changeset
509 int i, bn;
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parents: 32669
diff changeset
510 int err = 0;
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parents: 32669
diff changeset
511 block8 bk;
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parents: 32669
diff changeset
512 UINT32_T ui = 0xffffffffUL;
695b50472e85 Fix line endings issue
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parents: 32669
diff changeset
513 bf_state_T state;
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parents: 32669
diff changeset
514
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parents: 32669
diff changeset
515 CLEAR_FIELD(state);
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parents: 32669
diff changeset
516 state.cfb_len = BF_MAX_CFB_LEN;
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parents: 32669
diff changeset
517
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parents: 32669
diff changeset
518 // We can't simply use sizeof(UINT32_T), it would generate a compiler
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parents: 32669
diff changeset
519 // warning.
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parents: 32669
diff changeset
520 if (ui != 0xffffffffUL || ui + 1 != 0)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
521 {
695b50472e85 Fix line endings issue
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parents: 32669
diff changeset
522 err++;
695b50472e85 Fix line endings issue
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parents: 32669
diff changeset
523 emsg(_(e_sizeof_uint32_isnot_four));
695b50472e85 Fix line endings issue
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parents: 32669
diff changeset
524 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
525
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
526 if (!bf_check_tables(pax_init, sbx_init, 0x6ffa520a))
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
527 err++;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
528
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
529 bn = ARRAY_LENGTH(bf_test_data);
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
530 for (i = 0; i < bn; i++)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
531 {
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
532 bf_key_init(&state, (char_u *)(bf_test_data[i].password),
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
533 bf_test_data[i].salt,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
534 (int)STRLEN(bf_test_data[i].salt));
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
535 if (!bf_check_tables(state.pax, state.sbx, bf_test_data[i].keysum))
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
536 err++;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
537
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
538 // Don't modify bf_test_data[i].plaintxt, self test is idempotent.
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
539 memcpy(bk.uc, bf_test_data[i].plaintxt, 8);
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
540 bf_e_cblock(&state, bk.uc);
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
541 if (memcmp(bk.uc, bf_test_data[i].cryptxt, 8) != 0)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
542 {
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
543 if (err == 0 && memcmp(bk.uc, bf_test_data[i].badcryptxt, 8) == 0)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
544 emsg(_(e_blowfish_big_little_endian_use_wrong));
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
545 err++;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
546 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
547 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
548
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
549 return err > 0 ? FAIL : OK;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
550 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
551
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
552 /*
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
553 * CFB: Cipher Feedback Mode.
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
554 */
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
555
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
556 /*
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
557 * Initialize with seed "seed[seed_len]".
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
558 */
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
559 static void
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
560 bf_cfb_init(
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
561 bf_state_T *bfs,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
562 char_u *seed,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
563 int seed_len)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
564 {
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
565 int i, mi;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
566
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
567 bfs->randbyte_offset = bfs->update_offset = 0;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
568 vim_memset(bfs->cfb_buffer, 0, bfs->cfb_len);
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
569 if (seed_len > 0)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
570 {
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
571 mi = seed_len > bfs->cfb_len ? seed_len : bfs->cfb_len;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
572 for (i = 0; i < mi; i++)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
573 bfs->cfb_buffer[i % bfs->cfb_len] ^= seed[i % seed_len];
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
574 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
575 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
576
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
577 #define BF_CFB_UPDATE(bfs, c) \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
578 { \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
579 bfs->cfb_buffer[bfs->update_offset] ^= (char_u)c; \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
580 if (++bfs->update_offset == bfs->cfb_len) \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
581 bfs->update_offset = 0; \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
582 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
583
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
584 #define BF_RANBYTE(bfs, t) \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
585 { \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
586 if ((bfs->randbyte_offset & BF_BLOCK_MASK) == 0) \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
587 bf_e_cblock(bfs, &(bfs->cfb_buffer[bfs->randbyte_offset])); \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
588 t = bfs->cfb_buffer[bfs->randbyte_offset]; \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
589 if (++bfs->randbyte_offset == bfs->cfb_len) \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
590 bfs->randbyte_offset = 0; \
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
591 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
592
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
593 /*
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
594 * Encrypt "from[len]" into "to[len]".
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
595 * "from" and "to" can be equal to encrypt in place.
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
596 */
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
597 void
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
598 crypt_blowfish_encode(
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
599 cryptstate_T *state,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
600 char_u *from,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
601 size_t len,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
602 char_u *to,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
603 int last UNUSED)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
604 {
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
605 bf_state_T *bfs = state->method_state;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
606 size_t i;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
607 int ztemp, t;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
608
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
609 for (i = 0; i < len; ++i)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
610 {
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
611 ztemp = from[i];
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
612 BF_RANBYTE(bfs, t);
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
613 BF_CFB_UPDATE(bfs, ztemp);
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
614 to[i] = t ^ ztemp;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
615 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
616 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
617
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
618 /*
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
619 * Decrypt "from[len]" into "to[len]".
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
620 */
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
621 void
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
622 crypt_blowfish_decode(
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
623 cryptstate_T *state,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
624 char_u *from,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
625 size_t len,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
626 char_u *to,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
627 int last UNUSED)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
628 {
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
629 bf_state_T *bfs = state->method_state;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
630 size_t i;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
631 int t;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
632
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
633 for (i = 0; i < len; ++i)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
634 {
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
635 BF_RANBYTE(bfs, t);
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
636 to[i] = from[i] ^ t;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
637 BF_CFB_UPDATE(bfs, to[i]);
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
638 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
639 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
640
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
641 int
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
642 crypt_blowfish_init(
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
643 cryptstate_T *state,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
644 char_u *key,
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
645 crypt_arg_T *arg)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
646 {
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
647 bf_state_T *bfs = ALLOC_CLEAR_ONE(bf_state_T);
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
648
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
649 if (bfs == NULL)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
650 return FAIL;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
651 state->method_state = bfs;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
652
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
653 // "blowfish" uses a 64 byte buffer, causing it to repeat 8 byte groups 8
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
654 // times. "blowfish2" uses an 8 byte buffer to avoid repeating.
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
655 bfs->cfb_len = state->method_nr == CRYPT_M_BF ? BF_MAX_CFB_LEN : BF_BLOCK;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
656
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
657 if (blowfish_self_test() == FAIL)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
658 return FAIL;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
659
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
660 bf_key_init(bfs, key, arg->cat_salt, arg->cat_salt_len);
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
661 bf_cfb_init(bfs, arg->cat_seed, arg->cat_seed_len);
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
662
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
663 return OK;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
664 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
665
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
666 /*
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
667 * Run a test to check if the encryption works as expected.
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
668 * Give an error and return FAIL when not.
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
669 */
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
670 int
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
671 blowfish_self_test(void)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
672 {
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
673 if (sha256_self_test() == FAIL)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
674 {
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
675 emsg(_(e_sha256_test_failed));
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
676 return FAIL;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
677 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
678 if (bf_self_test() == FAIL)
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
679 {
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
680 emsg(_(e_blowfish_test_failed));
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
681 return FAIL;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
682 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
683 return OK;
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
684 }
695b50472e85 Fix line endings issue
Christian Brabandt <cb@256bit.org>
parents: 32669
diff changeset
685 #endif // FEAT_CRYPT