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| author | cvs2svn <admin@example.com> | 2015-03-08 16:48:48 +0000 |
|---|---|---|
| committer | cvs2svn <admin@example.com> | 2015-03-08 16:48:48 +0000 |
| commit | da1a9ad3a4a867ba6569c05e6fca66d7f296c553 (patch) | |
| tree | 44872802e872bdfd60730fa9cf01d9d5751251c1 /src/lib/libcrypto/idea/i_skey.c | |
| parent | 973703db67a8e73d70e63afa8f2cde19da09144d (diff) | |
| download | openbsd-OPENBSD_5_7_BASE.tar.gz openbsd-OPENBSD_5_7_BASE.tar.bz2 openbsd-OPENBSD_5_7_BASE.zip | |
This commit was manufactured by cvs2git to create tag 'OPENBSD_5_7_BASE'.OPENBSD_5_7_BASE
Diffstat (limited to 'src/lib/libcrypto/idea/i_skey.c')
| -rw-r--r-- | src/lib/libcrypto/idea/i_skey.c | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/src/lib/libcrypto/idea/i_skey.c b/src/lib/libcrypto/idea/i_skey.c deleted file mode 100644 index 2824d2618e..0000000000 --- a/src/lib/libcrypto/idea/i_skey.c +++ /dev/null | |||
| @@ -1,157 +0,0 @@ | |||
| 1 | /* $OpenBSD: i_skey.c,v 1.4 2014/10/28 07:35:58 jsg Exp $ */ | ||
| 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | ||
| 3 | * All rights reserved. | ||
| 4 | * | ||
| 5 | * This package is an SSL implementation written | ||
| 6 | * by Eric Young (eay@cryptsoft.com). | ||
| 7 | * The implementation was written so as to conform with Netscapes SSL. | ||
| 8 | * | ||
| 9 | * This library is free for commercial and non-commercial use as long as | ||
| 10 | * the following conditions are aheared to. The following conditions | ||
| 11 | * apply to all code found in this distribution, be it the RC4, RSA, | ||
| 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | ||
| 13 | * included with this distribution is covered by the same copyright terms | ||
| 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | ||
| 15 | * | ||
| 16 | * Copyright remains Eric Young's, and as such any Copyright notices in | ||
| 17 | * the code are not to be removed. | ||
| 18 | * If this package is used in a product, Eric Young should be given attribution | ||
| 19 | * as the author of the parts of the library used. | ||
| 20 | * This can be in the form of a textual message at program startup or | ||
| 21 | * in documentation (online or textual) provided with the package. | ||
| 22 | * | ||
| 23 | * Redistribution and use in source and binary forms, with or without | ||
| 24 | * modification, are permitted provided that the following conditions | ||
| 25 | * are met: | ||
| 26 | * 1. Redistributions of source code must retain the copyright | ||
| 27 | * notice, this list of conditions and the following disclaimer. | ||
| 28 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 29 | * notice, this list of conditions and the following disclaimer in the | ||
| 30 | * documentation and/or other materials provided with the distribution. | ||
| 31 | * 3. All advertising materials mentioning features or use of this software | ||
| 32 | * must display the following acknowledgement: | ||
| 33 | * "This product includes cryptographic software written by | ||
| 34 | * Eric Young (eay@cryptsoft.com)" | ||
| 35 | * The word 'cryptographic' can be left out if the rouines from the library | ||
| 36 | * being used are not cryptographic related :-). | ||
| 37 | * 4. If you include any Windows specific code (or a derivative thereof) from | ||
| 38 | * the apps directory (application code) you must include an acknowledgement: | ||
| 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | ||
| 40 | * | ||
| 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | ||
| 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| 44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
| 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| 47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| 51 | * SUCH DAMAGE. | ||
| 52 | * | ||
| 53 | * The licence and distribution terms for any publically available version or | ||
| 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | ||
| 55 | * copied and put under another distribution licence | ||
| 56 | * [including the GNU Public Licence.] | ||
| 57 | */ | ||
| 58 | |||
| 59 | #include <openssl/crypto.h> | ||
| 60 | #include <openssl/idea.h> | ||
| 61 | #include "idea_lcl.h" | ||
| 62 | |||
| 63 | static IDEA_INT inverse(unsigned int xin); | ||
| 64 | void idea_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks) | ||
| 65 | { | ||
| 66 | int i; | ||
| 67 | IDEA_INT *kt,*kf,r0,r1,r2; | ||
| 68 | |||
| 69 | kt= &(ks->data[0][0]); | ||
| 70 | n2s(key,kt[0]); n2s(key,kt[1]); n2s(key,kt[2]); n2s(key,kt[3]); | ||
| 71 | n2s(key,kt[4]); n2s(key,kt[5]); n2s(key,kt[6]); n2s(key,kt[7]); | ||
| 72 | |||
| 73 | kf=kt; | ||
| 74 | kt+=8; | ||
| 75 | for (i=0; i<6; i++) | ||
| 76 | { | ||
| 77 | r2= kf[1]; | ||
| 78 | r1= kf[2]; | ||
| 79 | *(kt++)= ((r2<<9) | (r1>>7))&0xffff; | ||
| 80 | r0= kf[3]; | ||
| 81 | *(kt++)= ((r1<<9) | (r0>>7))&0xffff; | ||
| 82 | r1= kf[4]; | ||
| 83 | *(kt++)= ((r0<<9) | (r1>>7))&0xffff; | ||
| 84 | r0= kf[5]; | ||
| 85 | *(kt++)= ((r1<<9) | (r0>>7))&0xffff; | ||
| 86 | r1= kf[6]; | ||
| 87 | *(kt++)= ((r0<<9) | (r1>>7))&0xffff; | ||
| 88 | r0= kf[7]; | ||
| 89 | *(kt++)= ((r1<<9) | (r0>>7))&0xffff; | ||
| 90 | r1= kf[0]; | ||
| 91 | if (i >= 5) break; | ||
| 92 | *(kt++)= ((r0<<9) | (r1>>7))&0xffff; | ||
| 93 | *(kt++)= ((r1<<9) | (r2>>7))&0xffff; | ||
| 94 | kf+=8; | ||
| 95 | } | ||
| 96 | } | ||
| 97 | |||
| 98 | void idea_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk) | ||
| 99 | { | ||
| 100 | int r; | ||
| 101 | IDEA_INT *fp,*tp,t; | ||
| 102 | |||
| 103 | tp= &(dk->data[0][0]); | ||
| 104 | fp= &(ek->data[8][0]); | ||
| 105 | for (r=0; r<9; r++) | ||
| 106 | { | ||
| 107 | *(tp++)=inverse(fp[0]); | ||
| 108 | *(tp++)=((int)(0x10000L-fp[2])&0xffff); | ||
| 109 | *(tp++)=((int)(0x10000L-fp[1])&0xffff); | ||
| 110 | *(tp++)=inverse(fp[3]); | ||
| 111 | if (r == 8) break; | ||
| 112 | fp-=6; | ||
| 113 | *(tp++)=fp[4]; | ||
| 114 | *(tp++)=fp[5]; | ||
| 115 | } | ||
| 116 | |||
| 117 | tp= &(dk->data[0][0]); | ||
| 118 | t=tp[1]; | ||
| 119 | tp[1]=tp[2]; | ||
| 120 | tp[2]=t; | ||
| 121 | |||
| 122 | t=tp[49]; | ||
| 123 | tp[49]=tp[50]; | ||
| 124 | tp[50]=t; | ||
| 125 | } | ||
| 126 | |||
| 127 | /* taken directly from the 'paper' I'll have a look at it later */ | ||
| 128 | static IDEA_INT inverse(unsigned int xin) | ||
| 129 | { | ||
| 130 | long n1,n2,q,r,b1,b2,t; | ||
| 131 | |||
| 132 | if (xin == 0) | ||
| 133 | b2=0; | ||
| 134 | else | ||
| 135 | { | ||
| 136 | n1=0x10001; | ||
| 137 | n2=xin; | ||
| 138 | b2=1; | ||
| 139 | b1=0; | ||
| 140 | |||
| 141 | do { | ||
| 142 | r=(n1%n2); | ||
| 143 | q=(n1-r)/n2; | ||
| 144 | if (r == 0) | ||
| 145 | { if (b2 < 0) b2=0x10001+b2; } | ||
| 146 | else | ||
| 147 | { | ||
| 148 | n1=n2; | ||
| 149 | n2=r; | ||
| 150 | t=b2; | ||
| 151 | b2=b1-q*b2; | ||
| 152 | b1=t; | ||
| 153 | } | ||
| 154 | } while (r != 0); | ||
| 155 | } | ||
| 156 | return((IDEA_INT)b2); | ||
| 157 | } | ||
