diff options
Diffstat (limited to 'openssl/crypto/des/set_key.c')
| -rw-r--r-- | openssl/crypto/des/set_key.c | 644 |
1 files changed, 338 insertions, 306 deletions
diff --git a/openssl/crypto/des/set_key.c b/openssl/crypto/des/set_key.c index da4d62e11..8fd8fe14b 100644 --- a/openssl/crypto/des/set_key.c +++ b/openssl/crypto/des/set_key.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,14 +49,15 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ -/* set_key.c v 1.4 eay 24/9/91 +/*- + * set_key.c v 1.4 eay 24/9/91 * 1.4 Speed up by 400% :-) * 1.3 added register declarations. * 1.2 unrolled make_key_sched a bit more @@ -66,47 +67,60 @@ #include <openssl/crypto.h> #include "des_locl.h" -OPENSSL_IMPLEMENT_GLOBAL(int,DES_check_key,0) /* defaults to false */ - -static const unsigned char odd_parity[256]={ - 1, 1, 2, 2, 4, 4, 7, 7, 8, 8, 11, 11, 13, 13, 14, 14, - 16, 16, 19, 19, 21, 21, 22, 22, 25, 25, 26, 26, 28, 28, 31, 31, - 32, 32, 35, 35, 37, 37, 38, 38, 41, 41, 42, 42, 44, 44, 47, 47, - 49, 49, 50, 50, 52, 52, 55, 55, 56, 56, 59, 59, 61, 61, 62, 62, - 64, 64, 67, 67, 69, 69, 70, 70, 73, 73, 74, 74, 76, 76, 79, 79, - 81, 81, 82, 82, 84, 84, 87, 87, 88, 88, 91, 91, 93, 93, 94, 94, - 97, 97, 98, 98,100,100,103,103,104,104,107,107,109,109,110,110, -112,112,115,115,117,117,118,118,121,121,122,122,124,124,127,127, -128,128,131,131,133,133,134,134,137,137,138,138,140,140,143,143, -145,145,146,146,148,148,151,151,152,152,155,155,157,157,158,158, -161,161,162,162,164,164,167,167,168,168,171,171,173,173,174,174, -176,176,179,179,181,181,182,182,185,185,186,186,188,188,191,191, -193,193,194,194,196,196,199,199,200,200,203,203,205,205,206,206, -208,208,211,211,213,213,214,214,217,217,218,218,220,220,223,223, -224,224,227,227,229,229,230,230,233,233,234,234,236,236,239,239, -241,241,242,242,244,244,247,247,248,248,251,251,253,253,254,254}; +OPENSSL_IMPLEMENT_GLOBAL(int, DES_check_key, 0) + /* + * defaults to false + */ +static const unsigned char odd_parity[256] = { + 1, 1, 2, 2, 4, 4, 7, 7, 8, 8, 11, 11, 13, 13, 14, 14, + 16, 16, 19, 19, 21, 21, 22, 22, 25, 25, 26, 26, 28, 28, 31, 31, + 32, 32, 35, 35, 37, 37, 38, 38, 41, 41, 42, 42, 44, 44, 47, 47, + 49, 49, 50, 50, 52, 52, 55, 55, 56, 56, 59, 59, 61, 61, 62, 62, + 64, 64, 67, 67, 69, 69, 70, 70, 73, 73, 74, 74, 76, 76, 79, 79, + 81, 81, 82, 82, 84, 84, 87, 87, 88, 88, 91, 91, 93, 93, 94, 94, + 97, 97, 98, 98, 100, 100, 103, 103, 104, 104, 107, 107, 109, 109, 110, + 110, + 112, 112, 115, 115, 117, 117, 118, 118, 121, 121, 122, 122, 124, 124, 127, + 127, + 128, 128, 131, 131, 133, 133, 134, 134, 137, 137, 138, 138, 140, 140, 143, + 143, + 145, 145, 146, 146, 148, 148, 151, 151, 152, 152, 155, 155, 157, 157, 158, + 158, + 161, 161, 162, 162, 164, 164, 167, 167, 168, 168, 171, 171, 173, 173, 174, + 174, + 176, 176, 179, 179, 181, 181, 182, 182, 185, 185, 186, 186, 188, 188, 191, + 191, + 193, 193, 194, 194, 196, 196, 199, 199, 200, 200, 203, 203, 205, 205, 206, + 206, + 208, 208, 211, 211, 213, 213, 214, 214, 217, 217, 218, 218, 220, 220, 223, + 223, + 224, 224, 227, 227, 229, 229, 230, 230, 233, 233, 234, 234, 236, 236, 239, + 239, + 241, 241, 242, 242, 244, 244, 247, 247, 248, 248, 251, 251, 253, 253, 254, + 254 +}; void DES_set_odd_parity(DES_cblock *key) - { - unsigned int i; +{ + unsigned int i; - for (i=0; i<DES_KEY_SZ; i++) - (*key)[i]=odd_parity[(*key)[i]]; - } + for (i = 0; i < DES_KEY_SZ; i++) + (*key)[i] = odd_parity[(*key)[i]]; +} int DES_check_key_parity(const_DES_cblock *key) - { - unsigned int i; +{ + unsigned int i; - for (i=0; i<DES_KEY_SZ; i++) - { - if ((*key)[i] != odd_parity[(*key)[i]]) - return(0); - } - return(1); - } + for (i = 0; i < DES_KEY_SZ; i++) { + if ((*key)[i] != odd_parity[(*key)[i]]) + return (0); + } + return (1); +} -/* Weak and semi week keys as take from +/*- + * Weak and semi week keys as take from * %A D.W. Davies * %A W.L. Price * %T Security for Computer Networks @@ -115,301 +129,319 @@ int DES_check_key_parity(const_DES_cblock *key) * Many thanks to smb@ulysses.att.com (Steven Bellovin) for the reference * (and actual cblock values). */ -#define NUM_WEAK_KEY 16 -static const DES_cblock weak_keys[NUM_WEAK_KEY]={ - /* weak keys */ - {0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01}, - {0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE}, - {0x1F,0x1F,0x1F,0x1F,0x0E,0x0E,0x0E,0x0E}, - {0xE0,0xE0,0xE0,0xE0,0xF1,0xF1,0xF1,0xF1}, - /* semi-weak keys */ - {0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE}, - {0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01}, - {0x1F,0xE0,0x1F,0xE0,0x0E,0xF1,0x0E,0xF1}, - {0xE0,0x1F,0xE0,0x1F,0xF1,0x0E,0xF1,0x0E}, - {0x01,0xE0,0x01,0xE0,0x01,0xF1,0x01,0xF1}, - {0xE0,0x01,0xE0,0x01,0xF1,0x01,0xF1,0x01}, - {0x1F,0xFE,0x1F,0xFE,0x0E,0xFE,0x0E,0xFE}, - {0xFE,0x1F,0xFE,0x1F,0xFE,0x0E,0xFE,0x0E}, - {0x01,0x1F,0x01,0x1F,0x01,0x0E,0x01,0x0E}, - {0x1F,0x01,0x1F,0x01,0x0E,0x01,0x0E,0x01}, - {0xE0,0xFE,0xE0,0xFE,0xF1,0xFE,0xF1,0xFE}, - {0xFE,0xE0,0xFE,0xE0,0xFE,0xF1,0xFE,0xF1}}; +#define NUM_WEAK_KEY 16 +static const DES_cblock weak_keys[NUM_WEAK_KEY] = { + /* weak keys */ + {0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + {0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE}, + {0x1F, 0x1F, 0x1F, 0x1F, 0x0E, 0x0E, 0x0E, 0x0E}, + {0xE0, 0xE0, 0xE0, 0xE0, 0xF1, 0xF1, 0xF1, 0xF1}, + /* semi-weak keys */ + {0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE}, + {0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01}, + {0x1F, 0xE0, 0x1F, 0xE0, 0x0E, 0xF1, 0x0E, 0xF1}, + {0xE0, 0x1F, 0xE0, 0x1F, 0xF1, 0x0E, 0xF1, 0x0E}, + {0x01, 0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1}, + {0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1, 0x01}, + {0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E, 0xFE}, + {0xFE, 0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E}, + {0x01, 0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E}, + {0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E, 0x01}, + {0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1, 0xFE}, + {0xFE, 0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1} +}; int DES_is_weak_key(const_DES_cblock *key) - { - int i; +{ + int i; - for (i=0; i<NUM_WEAK_KEY; i++) - /* Added == 0 to comparison, I obviously don't run - * this section very often :-(, thanks to - * engineering@MorningStar.Com for the fix - * eay 93/06/29 - * Another problem, I was comparing only the first 4 - * bytes, 97/03/18 */ - if (memcmp(weak_keys[i],key,sizeof(DES_cblock)) == 0) return(1); - return(0); - } + for (i = 0; i < NUM_WEAK_KEY; i++) + /* + * Added == 0 to comparison, I obviously don't run this section very + * often :-(, thanks to engineering@MorningStar.Com for the fix eay + * 93/06/29 Another problem, I was comparing only the first 4 bytes, + * 97/03/18 + */ + if (memcmp(weak_keys[i], key, sizeof(DES_cblock)) == 0) + return (1); + return (0); +} -/* NOW DEFINED IN des_local.h - * See ecb_encrypt.c for a pseudo description of these macros. +/*- + * NOW DEFINED IN des_local.h + * See ecb_encrypt.c for a pseudo description of these macros. * #define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),\ - * (b)^=(t),\ - * (a)=((a)^((t)<<(n)))) + * (b)^=(t),\ + * (a)=((a)^((t)<<(n)))) */ #define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),\ - (a)=(a)^(t)^(t>>(16-(n)))) + (a)=(a)^(t)^(t>>(16-(n)))) -static const DES_LONG des_skb[8][64]={ - { - /* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ - 0x00000000L,0x00000010L,0x20000000L,0x20000010L, - 0x00010000L,0x00010010L,0x20010000L,0x20010010L, - 0x00000800L,0x00000810L,0x20000800L,0x20000810L, - 0x00010800L,0x00010810L,0x20010800L,0x20010810L, - 0x00000020L,0x00000030L,0x20000020L,0x20000030L, - 0x00010020L,0x00010030L,0x20010020L,0x20010030L, - 0x00000820L,0x00000830L,0x20000820L,0x20000830L, - 0x00010820L,0x00010830L,0x20010820L,0x20010830L, - 0x00080000L,0x00080010L,0x20080000L,0x20080010L, - 0x00090000L,0x00090010L,0x20090000L,0x20090010L, - 0x00080800L,0x00080810L,0x20080800L,0x20080810L, - 0x00090800L,0x00090810L,0x20090800L,0x20090810L, - 0x00080020L,0x00080030L,0x20080020L,0x20080030L, - 0x00090020L,0x00090030L,0x20090020L,0x20090030L, - 0x00080820L,0x00080830L,0x20080820L,0x20080830L, - 0x00090820L,0x00090830L,0x20090820L,0x20090830L, - },{ - /* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */ - 0x00000000L,0x02000000L,0x00002000L,0x02002000L, - 0x00200000L,0x02200000L,0x00202000L,0x02202000L, - 0x00000004L,0x02000004L,0x00002004L,0x02002004L, - 0x00200004L,0x02200004L,0x00202004L,0x02202004L, - 0x00000400L,0x02000400L,0x00002400L,0x02002400L, - 0x00200400L,0x02200400L,0x00202400L,0x02202400L, - 0x00000404L,0x02000404L,0x00002404L,0x02002404L, - 0x00200404L,0x02200404L,0x00202404L,0x02202404L, - 0x10000000L,0x12000000L,0x10002000L,0x12002000L, - 0x10200000L,0x12200000L,0x10202000L,0x12202000L, - 0x10000004L,0x12000004L,0x10002004L,0x12002004L, - 0x10200004L,0x12200004L,0x10202004L,0x12202004L, - 0x10000400L,0x12000400L,0x10002400L,0x12002400L, - 0x10200400L,0x12200400L,0x10202400L,0x12202400L, - 0x10000404L,0x12000404L,0x10002404L,0x12002404L, - 0x10200404L,0x12200404L,0x10202404L,0x12202404L, - },{ - /* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */ - 0x00000000L,0x00000001L,0x00040000L,0x00040001L, - 0x01000000L,0x01000001L,0x01040000L,0x01040001L, - 0x00000002L,0x00000003L,0x00040002L,0x00040003L, - 0x01000002L,0x01000003L,0x01040002L,0x01040003L, - 0x00000200L,0x00000201L,0x00040200L,0x00040201L, - 0x01000200L,0x01000201L,0x01040200L,0x01040201L, - 0x00000202L,0x00000203L,0x00040202L,0x00040203L, - 0x01000202L,0x01000203L,0x01040202L,0x01040203L, - 0x08000000L,0x08000001L,0x08040000L,0x08040001L, - 0x09000000L,0x09000001L,0x09040000L,0x09040001L, - 0x08000002L,0x08000003L,0x08040002L,0x08040003L, - 0x09000002L,0x09000003L,0x09040002L,0x09040003L, - 0x08000200L,0x08000201L,0x08040200L,0x08040201L, - 0x09000200L,0x09000201L,0x09040200L,0x09040201L, - 0x08000202L,0x08000203L,0x08040202L,0x08040203L, - 0x09000202L,0x09000203L,0x09040202L,0x09040203L, - },{ - /* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */ - 0x00000000L,0x00100000L,0x00000100L,0x00100100L, - 0x00000008L,0x00100008L,0x00000108L,0x00100108L, - 0x00001000L,0x00101000L,0x00001100L,0x00101100L, - 0x00001008L,0x00101008L,0x00001108L,0x00101108L, - 0x04000000L,0x04100000L,0x04000100L,0x04100100L, - 0x04000008L,0x04100008L,0x04000108L,0x04100108L, - 0x04001000L,0x04101000L,0x04001100L,0x04101100L, - 0x04001008L,0x04101008L,0x04001108L,0x04101108L, - 0x00020000L,0x00120000L,0x00020100L,0x00120100L, - 0x00020008L,0x00120008L,0x00020108L,0x00120108L, - 0x00021000L,0x00121000L,0x00021100L,0x00121100L, - 0x00021008L,0x00121008L,0x00021108L,0x00121108L, - 0x04020000L,0x04120000L,0x04020100L,0x04120100L, - 0x04020008L,0x04120008L,0x04020108L,0x04120108L, - 0x04021000L,0x04121000L,0x04021100L,0x04121100L, - 0x04021008L,0x04121008L,0x04021108L,0x04121108L, - },{ - /* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ - 0x00000000L,0x10000000L,0x00010000L,0x10010000L, - 0x00000004L,0x10000004L,0x00010004L,0x10010004L, - 0x20000000L,0x30000000L,0x20010000L,0x30010000L, - 0x20000004L,0x30000004L,0x20010004L,0x30010004L, - 0x00100000L,0x10100000L,0x00110000L,0x10110000L, - 0x00100004L,0x10100004L,0x00110004L,0x10110004L, - 0x20100000L,0x30100000L,0x20110000L,0x30110000L, - 0x20100004L,0x30100004L,0x20110004L,0x30110004L, - 0x00001000L,0x10001000L,0x00011000L,0x10011000L, - 0x00001004L,0x10001004L,0x00011004L,0x10011004L, - 0x20001000L,0x30001000L,0x20011000L,0x30011000L, - 0x20001004L,0x30001004L,0x20011004L,0x30011004L, - 0x00101000L,0x10101000L,0x00111000L,0x10111000L, - 0x00101004L,0x10101004L,0x00111004L,0x10111004L, - 0x20101000L,0x30101000L,0x20111000L,0x30111000L, - 0x20101004L,0x30101004L,0x20111004L,0x30111004L, - },{ - /* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */ - 0x00000000L,0x08000000L,0x00000008L,0x08000008L, - 0x00000400L,0x08000400L,0x00000408L,0x08000408L, - 0x00020000L,0x08020000L,0x00020008L,0x08020008L, - 0x00020400L,0x08020400L,0x00020408L,0x08020408L, - 0x00000001L,0x08000001L,0x00000009L,0x08000009L, - 0x00000401L,0x08000401L,0x00000409L,0x08000409L, - 0x00020001L,0x08020001L,0x00020009L,0x08020009L, - 0x00020401L,0x08020401L,0x00020409L,0x08020409L, - 0x02000000L,0x0A000000L,0x02000008L,0x0A000008L, - 0x02000400L,0x0A000400L,0x02000408L,0x0A000408L, - 0x02020000L,0x0A020000L,0x02020008L,0x0A020008L, - 0x02020400L,0x0A020400L,0x02020408L,0x0A020408L, - 0x02000001L,0x0A000001L,0x02000009L,0x0A000009L, - 0x02000401L,0x0A000401L,0x02000409L,0x0A000409L, - 0x02020001L,0x0A020001L,0x02020009L,0x0A020009L, - 0x02020401L,0x0A020401L,0x02020409L,0x0A020409L, - },{ - /* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */ - 0x00000000L,0x00000100L,0x00080000L,0x00080100L, - 0x01000000L,0x01000100L,0x01080000L,0x01080100L, - 0x00000010L,0x00000110L,0x00080010L,0x00080110L, - 0x01000010L,0x01000110L,0x01080010L,0x01080110L, - 0x00200000L,0x00200100L,0x00280000L,0x00280100L, - 0x01200000L,0x01200100L,0x01280000L,0x01280100L, - 0x00200010L,0x00200110L,0x00280010L,0x00280110L, - 0x01200010L,0x01200110L,0x01280010L,0x01280110L, - 0x00000200L,0x00000300L,0x00080200L,0x00080300L, - 0x01000200L,0x01000300L,0x01080200L,0x01080300L, - 0x00000210L,0x00000310L,0x00080210L,0x00080310L, - 0x01000210L,0x01000310L,0x01080210L,0x01080310L, - 0x00200200L,0x00200300L,0x00280200L,0x00280300L, - 0x01200200L,0x01200300L,0x01280200L,0x01280300L, - 0x00200210L,0x00200310L,0x00280210L,0x00280310L, - 0x01200210L,0x01200310L,0x01280210L,0x01280310L, - },{ - /* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */ - 0x00000000L,0x04000000L,0x00040000L,0x04040000L, - 0x00000002L,0x04000002L,0x00040002L,0x04040002L, - 0x00002000L,0x04002000L,0x00042000L,0x04042000L, - 0x00002002L,0x04002002L,0x00042002L,0x04042002L, - 0x00000020L,0x04000020L,0x00040020L,0x04040020L, - 0x00000022L,0x04000022L,0x00040022L,0x04040022L, - 0x00002020L,0x04002020L,0x00042020L,0x04042020L, - 0x00002022L,0x04002022L,0x00042022L,0x04042022L, - 0x00000800L,0x04000800L,0x00040800L,0x04040800L, - 0x00000802L,0x04000802L,0x00040802L,0x04040802L, - 0x00002800L,0x04002800L,0x00042800L,0x04042800L, - 0x00002802L,0x04002802L,0x00042802L,0x04042802L, - 0x00000820L,0x04000820L,0x00040820L,0x04040820L, - 0x00000822L,0x04000822L,0x00040822L,0x04040822L, - 0x00002820L,0x04002820L,0x00042820L,0x04042820L, - 0x00002822L,0x04002822L,0x00042822L,0x04042822L, - }}; +static const DES_LONG des_skb[8][64] = { + { + /* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ + 0x00000000L, 0x00000010L, 0x20000000L, 0x20000010L, + 0x00010000L, 0x00010010L, 0x20010000L, 0x20010010L, + 0x00000800L, 0x00000810L, 0x20000800L, 0x20000810L, + 0x00010800L, 0x00010810L, 0x20010800L, 0x20010810L, + 0x00000020L, 0x00000030L, 0x20000020L, 0x20000030L, + 0x00010020L, 0x00010030L, 0x20010020L, 0x20010030L, + 0x00000820L, 0x00000830L, 0x20000820L, 0x20000830L, + 0x00010820L, 0x00010830L, 0x20010820L, 0x20010830L, + 0x00080000L, 0x00080010L, 0x20080000L, 0x20080010L, + 0x00090000L, 0x00090010L, 0x20090000L, 0x20090010L, + 0x00080800L, 0x00080810L, 0x20080800L, 0x20080810L, + 0x00090800L, 0x00090810L, 0x20090800L, 0x20090810L, + 0x00080020L, 0x00080030L, 0x20080020L, 0x20080030L, + 0x00090020L, 0x00090030L, 0x20090020L, 0x20090030L, + 0x00080820L, 0x00080830L, 0x20080820L, 0x20080830L, + 0x00090820L, 0x00090830L, 0x20090820L, 0x20090830L, + }, + { + /* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */ + 0x00000000L, 0x02000000L, 0x00002000L, 0x02002000L, + 0x00200000L, 0x02200000L, 0x00202000L, 0x02202000L, + 0x00000004L, 0x02000004L, 0x00002004L, 0x02002004L, + 0x00200004L, 0x02200004L, 0x00202004L, 0x02202004L, + 0x00000400L, 0x02000400L, 0x00002400L, 0x02002400L, + 0x00200400L, 0x02200400L, 0x00202400L, 0x02202400L, + 0x00000404L, 0x02000404L, 0x00002404L, 0x02002404L, + 0x00200404L, 0x02200404L, 0x00202404L, 0x02202404L, + 0x10000000L, 0x12000000L, 0x10002000L, 0x12002000L, + 0x10200000L, 0x12200000L, 0x10202000L, 0x12202000L, + 0x10000004L, 0x12000004L, 0x10002004L, 0x12002004L, + 0x10200004L, 0x12200004L, 0x10202004L, 0x12202004L, + 0x10000400L, 0x12000400L, 0x10002400L, 0x12002400L, + 0x10200400L, 0x12200400L, 0x10202400L, 0x12202400L, + 0x10000404L, 0x12000404L, 0x10002404L, 0x12002404L, + 0x10200404L, 0x12200404L, 0x10202404L, 0x12202404L, + }, + { + /* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */ + 0x00000000L, 0x00000001L, 0x00040000L, 0x00040001L, + 0x01000000L, 0x01000001L, 0x01040000L, 0x01040001L, + 0x00000002L, 0x00000003L, 0x00040002L, 0x00040003L, + 0x01000002L, 0x01000003L, 0x01040002L, 0x01040003L, + 0x00000200L, 0x00000201L, 0x00040200L, 0x00040201L, + 0x01000200L, 0x01000201L, 0x01040200L, 0x01040201L, + 0x00000202L, 0x00000203L, 0x00040202L, 0x00040203L, + 0x01000202L, 0x01000203L, 0x01040202L, 0x01040203L, + 0x08000000L, 0x08000001L, 0x08040000L, 0x08040001L, + 0x09000000L, 0x09000001L, 0x09040000L, 0x09040001L, + 0x08000002L, 0x08000003L, 0x08040002L, 0x08040003L, + 0x09000002L, 0x09000003L, 0x09040002L, 0x09040003L, + 0x08000200L, 0x08000201L, 0x08040200L, 0x08040201L, + 0x09000200L, 0x09000201L, 0x09040200L, 0x09040201L, + 0x08000202L, 0x08000203L, 0x08040202L, 0x08040203L, + 0x09000202L, 0x09000203L, 0x09040202L, 0x09040203L, + }, + { + /* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */ + 0x00000000L, 0x00100000L, 0x00000100L, 0x00100100L, + 0x00000008L, 0x00100008L, 0x00000108L, 0x00100108L, + 0x00001000L, 0x00101000L, 0x00001100L, 0x00101100L, + 0x00001008L, 0x00101008L, 0x00001108L, 0x00101108L, + 0x04000000L, 0x04100000L, 0x04000100L, 0x04100100L, + 0x04000008L, 0x04100008L, 0x04000108L, 0x04100108L, + 0x04001000L, 0x04101000L, 0x04001100L, 0x04101100L, + 0x04001008L, 0x04101008L, 0x04001108L, 0x04101108L, + 0x00020000L, 0x00120000L, 0x00020100L, 0x00120100L, + 0x00020008L, 0x00120008L, 0x00020108L, 0x00120108L, + 0x00021000L, 0x00121000L, 0x00021100L, 0x00121100L, + 0x00021008L, 0x00121008L, 0x00021108L, 0x00121108L, + 0x04020000L, 0x04120000L, 0x04020100L, 0x04120100L, + 0x04020008L, 0x04120008L, 0x04020108L, 0x04120108L, + 0x04021000L, 0x04121000L, 0x04021100L, 0x04121100L, + 0x04021008L, 0x04121008L, 0x04021108L, 0x04121108L, + }, + { + /* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ + 0x00000000L, 0x10000000L, 0x00010000L, 0x10010000L, + 0x00000004L, 0x10000004L, 0x00010004L, 0x10010004L, + 0x20000000L, 0x30000000L, 0x20010000L, 0x30010000L, + 0x20000004L, 0x30000004L, 0x20010004L, 0x30010004L, + 0x00100000L, 0x10100000L, 0x00110000L, 0x10110000L, + 0x00100004L, 0x10100004L, 0x00110004L, 0x10110004L, + 0x20100000L, 0x30100000L, 0x20110000L, 0x30110000L, + 0x20100004L, 0x30100004L, 0x20110004L, 0x30110004L, + 0x00001000L, 0x10001000L, 0x00011000L, 0x10011000L, + 0x00001004L, 0x10001004L, 0x00011004L, 0x10011004L, + 0x20001000L, 0x30001000L, 0x20011000L, 0x30011000L, + 0x20001004L, 0x30001004L, 0x20011004L, 0x30011004L, + 0x00101000L, 0x10101000L, 0x00111000L, 0x10111000L, + 0x00101004L, 0x10101004L, 0x00111004L, 0x10111004L, + 0x20101000L, 0x30101000L, 0x20111000L, 0x30111000L, + 0x20101004L, 0x30101004L, 0x20111004L, 0x30111004L, + }, + { + /* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */ + 0x00000000L, 0x08000000L, 0x00000008L, 0x08000008L, + 0x00000400L, 0x08000400L, 0x00000408L, 0x08000408L, + 0x00020000L, 0x08020000L, 0x00020008L, 0x08020008L, + 0x00020400L, 0x08020400L, 0x00020408L, 0x08020408L, + 0x00000001L, 0x08000001L, 0x00000009L, 0x08000009L, + 0x00000401L, 0x08000401L, 0x00000409L, 0x08000409L, + 0x00020001L, 0x08020001L, 0x00020009L, 0x08020009L, + 0x00020401L, 0x08020401L, 0x00020409L, 0x08020409L, + 0x02000000L, 0x0A000000L, 0x02000008L, 0x0A000008L, + 0x02000400L, 0x0A000400L, 0x02000408L, 0x0A000408L, + 0x02020000L, 0x0A020000L, 0x02020008L, 0x0A020008L, + 0x02020400L, 0x0A020400L, 0x02020408L, 0x0A020408L, + 0x02000001L, 0x0A000001L, 0x02000009L, 0x0A000009L, + 0x02000401L, 0x0A000401L, 0x02000409L, 0x0A000409L, + 0x02020001L, 0x0A020001L, 0x02020009L, 0x0A020009L, + 0x02020401L, 0x0A020401L, 0x02020409L, 0x0A020409L, + }, + { + /* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */ + 0x00000000L, 0x00000100L, 0x00080000L, 0x00080100L, + 0x01000000L, 0x01000100L, 0x01080000L, 0x01080100L, + 0x00000010L, 0x00000110L, 0x00080010L, 0x00080110L, + 0x01000010L, 0x01000110L, 0x01080010L, 0x01080110L, + 0x00200000L, 0x00200100L, 0x00280000L, 0x00280100L, + 0x01200000L, 0x01200100L, 0x01280000L, 0x01280100L, + 0x00200010L, 0x00200110L, 0x00280010L, 0x00280110L, + 0x01200010L, 0x01200110L, 0x01280010L, 0x01280110L, + 0x00000200L, 0x00000300L, 0x00080200L, 0x00080300L, + 0x01000200L, 0x01000300L, 0x01080200L, 0x01080300L, + 0x00000210L, 0x00000310L, 0x00080210L, 0x00080310L, + 0x01000210L, 0x01000310L, 0x01080210L, 0x01080310L, + 0x00200200L, 0x00200300L, 0x00280200L, 0x00280300L, + 0x01200200L, 0x01200300L, 0x01280200L, 0x01280300L, + 0x00200210L, 0x00200310L, 0x00280210L, 0x00280310L, + 0x01200210L, 0x01200310L, 0x01280210L, 0x01280310L, + }, + { + /* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */ + 0x00000000L, 0x04000000L, 0x00040000L, 0x04040000L, + 0x00000002L, 0x04000002L, 0x00040002L, 0x04040002L, + 0x00002000L, 0x04002000L, 0x00042000L, 0x04042000L, + 0x00002002L, 0x04002002L, 0x00042002L, 0x04042002L, + 0x00000020L, 0x04000020L, 0x00040020L, 0x04040020L, + 0x00000022L, 0x04000022L, 0x00040022L, 0x04040022L, + 0x00002020L, 0x04002020L, 0x00042020L, 0x04042020L, + 0x00002022L, 0x04002022L, 0x00042022L, 0x04042022L, + 0x00000800L, 0x04000800L, 0x00040800L, 0x04040800L, + 0x00000802L, 0x04000802L, 0x00040802L, 0x04040802L, + 0x00002800L, 0x04002800L, 0x00042800L, 0x04042800L, + 0x00002802L, 0x04002802L, 0x00042802L, 0x04042802L, + 0x00000820L, 0x04000820L, 0x00040820L, 0x04040820L, + 0x00000822L, 0x04000822L, 0x00040822L, 0x04040822L, + 0x00002820L, 0x04002820L, 0x00042820L, 0x04042820L, + 0x00002822L, 0x04002822L, 0x00042822L, 0x04042822L, + } +}; int DES_set_key(const_DES_cblock *key, DES_key_schedule *schedule) - { - if (DES_check_key) - { - return DES_set_key_checked(key, schedule); - } - else - { - DES_set_key_unchecked(key, schedule); - return 0; - } - } +{ + if (DES_check_key) { + return DES_set_key_checked(key, schedule); + } else { + DES_set_key_unchecked(key, schedule); + return 0; + } +} -/* return 0 if key parity is odd (correct), +/*- + * return 0 if key parity is odd (correct), * return -1 if key parity error, * return -2 if illegal weak key. */ int DES_set_key_checked(const_DES_cblock *key, DES_key_schedule *schedule) - { - if (!DES_check_key_parity(key)) - return(-1); - if (DES_is_weak_key(key)) - return(-2); - DES_set_key_unchecked(key, schedule); - return 0; - } +{ + if (!DES_check_key_parity(key)) + return (-1); + if (DES_is_weak_key(key)) + return (-2); + DES_set_key_unchecked(key, schedule); + return 0; +} void DES_set_key_unchecked(const_DES_cblock *key, DES_key_schedule *schedule) #ifdef OPENSSL_FIPS - { - fips_cipher_abort(DES); - private_DES_set_key_unchecked(key, schedule); - } -void private_DES_set_key_unchecked(const_DES_cblock *key, DES_key_schedule *schedule) +{ + fips_cipher_abort(DES); + private_DES_set_key_unchecked(key, schedule); +} + +void private_DES_set_key_unchecked(const_DES_cblock *key, + DES_key_schedule *schedule) #endif - { - static const int shifts2[16]={0,0,1,1,1,1,1,1,0,1,1,1,1,1,1,0}; - register DES_LONG c,d,t,s,t2; - register const unsigned char *in; - register DES_LONG *k; - register int i; +{ + static const int shifts2[16] = + { 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0 }; + register DES_LONG c, d, t, s, t2; + register const unsigned char *in; + register DES_LONG *k; + register int i; #ifdef OPENBSD_DEV_CRYPTO - memcpy(schedule->key,key,sizeof schedule->key); - schedule->session=NULL; + memcpy(schedule->key, key, sizeof schedule->key); + schedule->session = NULL; #endif - k = &schedule->ks->deslong[0]; - in = &(*key)[0]; + k = &schedule->ks->deslong[0]; + in = &(*key)[0]; - c2l(in,c); - c2l(in,d); + c2l(in, c); + c2l(in, d); - /* do PC1 in 47 simple operations :-) - * Thanks to John Fletcher (john_fletcher@lccmail.ocf.llnl.gov) - * for the inspiration. :-) */ - PERM_OP (d,c,t,4,0x0f0f0f0fL); - HPERM_OP(c,t,-2,0xcccc0000L); - HPERM_OP(d,t,-2,0xcccc0000L); - PERM_OP (d,c,t,1,0x55555555L); - PERM_OP (c,d,t,8,0x00ff00ffL); - PERM_OP (d,c,t,1,0x55555555L); - d= (((d&0x000000ffL)<<16L)| (d&0x0000ff00L) | - ((d&0x00ff0000L)>>16L)|((c&0xf0000000L)>>4L)); - c&=0x0fffffffL; + /* + * do PC1 in 47 simple operations :-) Thanks to John Fletcher + * (john_fletcher@lccmail.ocf.llnl.gov) for the inspiration. :-) + */ + PERM_OP(d, c, t, 4, 0x0f0f0f0fL); + HPERM_OP(c, t, -2, 0xcccc0000L); + HPERM_OP(d, t, -2, 0xcccc0000L); + PERM_OP(d, c, t, 1, 0x55555555L); + PERM_OP(c, d, t, 8, 0x00ff00ffL); + PERM_OP(d, c, t, 1, 0x55555555L); + d = (((d & 0x000000ffL) << 16L) | (d & 0x0000ff00L) | + ((d & 0x00ff0000L) >> 16L) | ((c & 0xf0000000L) >> 4L)); + c &= 0x0fffffffL; - for (i=0; i<ITERATIONS; i++) - { - if (shifts2[i]) - { c=((c>>2L)|(c<<26L)); d=((d>>2L)|(d<<26L)); } - else - { c=((c>>1L)|(c<<27L)); d=((d>>1L)|(d<<27L)); } - c&=0x0fffffffL; - d&=0x0fffffffL; - /* could be a few less shifts but I am to lazy at this - * point in time to investigate */ - s= des_skb[0][ (c )&0x3f ]| - des_skb[1][((c>> 6L)&0x03)|((c>> 7L)&0x3c)]| - des_skb[2][((c>>13L)&0x0f)|((c>>14L)&0x30)]| - des_skb[3][((c>>20L)&0x01)|((c>>21L)&0x06) | - ((c>>22L)&0x38)]; - t= des_skb[4][ (d )&0x3f ]| - des_skb[5][((d>> 7L)&0x03)|((d>> 8L)&0x3c)]| - des_skb[6][ (d>>15L)&0x3f ]| - des_skb[7][((d>>21L)&0x0f)|((d>>22L)&0x30)]; + for (i = 0; i < ITERATIONS; i++) { + if (shifts2[i]) { + c = ((c >> 2L) | (c << 26L)); + d = ((d >> 2L) | (d << 26L)); + } else { + c = ((c >> 1L) | (c << 27L)); + d = ((d >> 1L) | (d << 27L)); + } + c &= 0x0fffffffL; + d &= 0x0fffffffL; + /* + * could be a few less shifts but I am to lazy at this point in time + * to investigate + */ + s = des_skb[0][(c) & 0x3f] | + des_skb[1][((c >> 6L) & 0x03) | ((c >> 7L) & 0x3c)] | + des_skb[2][((c >> 13L) & 0x0f) | ((c >> 14L) & 0x30)] | + des_skb[3][((c >> 20L) & 0x01) | ((c >> 21L) & 0x06) | + ((c >> 22L) & 0x38)]; + t = des_skb[4][(d) & 0x3f] | + des_skb[5][((d >> 7L) & 0x03) | ((d >> 8L) & 0x3c)] | + des_skb[6][(d >> 15L) & 0x3f] | + des_skb[7][((d >> 21L) & 0x0f) | ((d >> 22L) & 0x30)]; - /* table contained 0213 4657 */ - t2=((t<<16L)|(s&0x0000ffffL))&0xffffffffL; - *(k++)=ROTATE(t2,30)&0xffffffffL; + /* table contained 0213 4657 */ + t2 = ((t << 16L) | (s & 0x0000ffffL)) & 0xffffffffL; + *(k++) = ROTATE(t2, 30) & 0xffffffffL; - t2=((s>>16L)|(t&0xffff0000L)); - *(k++)=ROTATE(t2,26)&0xffffffffL; - } - } + t2 = ((s >> 16L) | (t & 0xffff0000L)); + *(k++) = ROTATE(t2, 26) & 0xffffffffL; + } +} int DES_key_sched(const_DES_cblock *key, DES_key_schedule *schedule) - { - return(DES_set_key(key,schedule)); - } -/* +{ + return (DES_set_key(key, schedule)); +} + +/*- #undef des_fixup_key_parity void des_fixup_key_parity(des_cblock *key) - { - des_set_odd_parity(key); - } + { + des_set_odd_parity(key); + } */ |