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Diffstat (limited to 'src/lib/libcrypto/des/fcrypt_b.c')
| -rw-r--r-- | src/lib/libcrypto/des/fcrypt_b.c | 148 | 
1 files changed, 148 insertions, 0 deletions
| diff --git a/src/lib/libcrypto/des/fcrypt_b.c b/src/lib/libcrypto/des/fcrypt_b.c new file mode 100644 index 0000000000..c56b461e91 --- /dev/null +++ b/src/lib/libcrypto/des/fcrypt_b.c | |||
| @@ -0,0 +1,148 @@ | |||
| 1 | /* crypto/des/fcrypt_b.c */ | ||
| 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 <stdio.h> | ||
| 60 | |||
| 61 | /* This version of crypt has been developed from my MIT compatible | ||
| 62 | * DES library. | ||
| 63 | * The library is available at pub/Crypto/DES at ftp.psy.uq.oz.au | ||
| 64 | * Eric Young (eay@cryptsoft.com) | ||
| 65 | */ | ||
| 66 | |||
| 67 | #define DES_FCRYPT | ||
| 68 | #include "des_locl.h" | ||
| 69 | #undef DES_FCRYPT | ||
| 70 | |||
| 71 | #ifndef OPENBSD_DES_ASM | ||
| 72 | |||
| 73 | #undef PERM_OP | ||
| 74 | #define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),\ | ||
| 75 | (b)^=(t),\ | ||
| 76 | (a)^=((t)<<(n))) | ||
| 77 | |||
| 78 | #undef HPERM_OP | ||
| 79 | #define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),\ | ||
| 80 | (a)=(a)^(t)^(t>>(16-(n))))\ | ||
| 81 | |||
| 82 | void fcrypt_body(DES_LONG *out, DES_key_schedule *ks, DES_LONG Eswap0, | ||
| 83 | DES_LONG Eswap1) | ||
| 84 | { | ||
| 85 | register DES_LONG l,r,t,u; | ||
| 86 | #ifdef DES_PTR | ||
| 87 | register const unsigned char *des_SP=(const unsigned char *)DES_SPtrans; | ||
| 88 | #endif | ||
| 89 | register DES_LONG *s; | ||
| 90 | register int j; | ||
| 91 | register DES_LONG E0,E1; | ||
| 92 | |||
| 93 | l=0; | ||
| 94 | r=0; | ||
| 95 | |||
| 96 | s=(DES_LONG *)ks; | ||
| 97 | E0=Eswap0; | ||
| 98 | E1=Eswap1; | ||
| 99 | |||
| 100 | for (j=0; j<25; j++) | ||
| 101 | { | ||
| 102 | #ifndef DES_UNROLL | ||
| 103 | register int i; | ||
| 104 | |||
| 105 | for (i=0; i<32; i+=8) | ||
| 106 | { | ||
| 107 | D_ENCRYPT(l,r,i+0); /* 1 */ | ||
| 108 | D_ENCRYPT(r,l,i+2); /* 2 */ | ||
| 109 | D_ENCRYPT(l,r,i+4); /* 1 */ | ||
| 110 | D_ENCRYPT(r,l,i+6); /* 2 */ | ||
| 111 | } | ||
| 112 | #else | ||
| 113 | D_ENCRYPT(l,r, 0); /* 1 */ | ||
| 114 | D_ENCRYPT(r,l, 2); /* 2 */ | ||
| 115 | D_ENCRYPT(l,r, 4); /* 3 */ | ||
| 116 | D_ENCRYPT(r,l, 6); /* 4 */ | ||
| 117 | D_ENCRYPT(l,r, 8); /* 5 */ | ||
| 118 | D_ENCRYPT(r,l,10); /* 6 */ | ||
| 119 | D_ENCRYPT(l,r,12); /* 7 */ | ||
| 120 | D_ENCRYPT(r,l,14); /* 8 */ | ||
| 121 | D_ENCRYPT(l,r,16); /* 9 */ | ||
| 122 | D_ENCRYPT(r,l,18); /* 10 */ | ||
| 123 | D_ENCRYPT(l,r,20); /* 11 */ | ||
| 124 | D_ENCRYPT(r,l,22); /* 12 */ | ||
| 125 | D_ENCRYPT(l,r,24); /* 13 */ | ||
| 126 | D_ENCRYPT(r,l,26); /* 14 */ | ||
| 127 | D_ENCRYPT(l,r,28); /* 15 */ | ||
| 128 | D_ENCRYPT(r,l,30); /* 16 */ | ||
| 129 | #endif | ||
| 130 | |||
| 131 | t=l; | ||
| 132 | l=r; | ||
| 133 | r=t; | ||
| 134 | } | ||
| 135 | l=ROTATE(l,3)&0xffffffffL; | ||
| 136 | r=ROTATE(r,3)&0xffffffffL; | ||
| 137 | |||
| 138 | PERM_OP(l,r,t, 1,0x55555555L); | ||
| 139 | PERM_OP(r,l,t, 8,0x00ff00ffL); | ||
| 140 | PERM_OP(l,r,t, 2,0x33333333L); | ||
| 141 | PERM_OP(r,l,t,16,0x0000ffffL); | ||
| 142 | PERM_OP(l,r,t, 4,0x0f0f0f0fL); | ||
| 143 | |||
| 144 | out[0]=r; | ||
| 145 | out[1]=l; | ||
| 146 | } | ||
| 147 | |||
| 148 | #endif /* OPENBSD_DES_ASM */ | ||
