X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a71ece51e49f739e0eff8022e6c5d66813d1aa56..3c6542087e2a0f92f5c1024b812aac969253a764:/client/reveng/model.c diff --git a/client/reveng/model.c b/client/reveng/model.c index 2d45b2fe..eead6377 100644 --- a/client/reveng/model.c +++ b/client/reveng/model.c @@ -1,9 +1,9 @@ /* model.c - * Greg Cook, 9/Apr/2015 + * Greg Cook, 26/Jul/2016 */ -/* CRC RevEng, an arbitrary-precision CRC calculator and algorithm finder - * Copyright (C) 2010, 2011, 2012, 2013, 2014, 2015 Gregory Cook +/* CRC RevEng: arbitrary-precision CRC calculator and algorithm finder + * Copyright (C) 2010, 2011, 2012, 2013, 2014, 2015, 2016 Gregory Cook * * This file is part of CRC RevEng. * @@ -18,36 +18,20 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with CRC RevEng. If not, see . + * along with CRC RevEng. If not, see . */ -/* 2014-01-14: added CRC-8/DVB-S2 - * 2014-01-11: corrected CRC-40/GSM, added alias CRC-8/AES - * 2013-10-14: added CRC-13/BBC and six cdma2000 algorithms - * 2013-06-11: ensure BMP_BIT is an integer constant to compile presets - * 2013-01-20: big polynomials autogenerated, corrected CRC-82/DARC - * 2012-07-19: added CRC-8/EBU - * 2012-07-16: added CRC-15/MPT1327 - * 2012-05-25: removed CRC-1/PARITY-EVEN, CRC-1/PARITY-ODD - * 2012-04-12: added model CRC-31/PHILIPS +/* 2016-02-22: split off preset.c * 2012-03-03: single-line Williams model string conversion - * 2012-02-20: corrected model CRC-6/DARC * 2011-09-03: added mrev(), mnovel() - * 2011-08-28: added model CRC-64/XZ - * 2011-04-30: added models CRC-16/TMS37157 and CRC-A, and alias CRC-B - * 2011-02-10: made preset models ANSI C compliant * 2011-01-17: fixed ANSI C warnings (except preset models) - * 2011-01-01: added mbynum(), mcount() * 2010-12-26: renamed CRC RevEng * 2010-12-18: minor change to mtostr() output format - * 2010-12-15: added mcmp(), mmatch() - * 2010-12-14: finished mbynam(), mnames(), mtostr() - * 2010-12-13: restarted with PCONST macros - * 2010-12-12: was having so much fun I didn't think to try compiling. :( + * 2010-12-15: added mcmp() + * 2010-12-14: finished mtostr() * 2010-12-12: started models.c */ -#include #include #include #include @@ -55,488 +39,8 @@ /* Private declarations */ -struct mpreset { - const unsigned long width; /* width of CRC algorithm */ - const bmp_t *const bspoly; /* polynomial with highest-order term removed. length determines CRC width */ - const bmp_t *const binit; /* initial register value. length == poly.length */ - const int flags; /* P_REFIN and P_REFOUT indicate reflected input/output */ - const bmp_t *const bxorout; /* final register XOR mask. length == poly.length */ - const bmp_t *const bcheck; /* optional check value, the CRC of the UTF-8 string "123456789" */ - const char *const name; /* optional canonical name of the model */ -}; - -struct malias { - const char *name; - const struct mpreset *model; - const int isprimry; -}; - -#ifdef PRESETS -# if BMP_BIT < 32 -# error config.h: BMP_BIT must be an integer constant macro to compile presets -# else /* BMP_BIT */ - -/* Big polynomial constants. */ - -/* Directives for relink.pl */ -/* CONSTANT b40 = (40, 0x0004820009) */ -/* CONSTANT b40a = (40, 0xffffffffff) */ -/* CONSTANT b40b = (40, 0xd4164fc646) */ -/* CONSTANT b64 = (64, 0x42f0e1eba9ea3693) */ -/* CONSTANT b64a = (64, 0x6c40df5f0b497347) */ -/* CONSTANT b64b = (64, 0xffffffffffffffff) */ -/* CONSTANT b64c = (64, 0x62ec59e3f1a4f00a) */ -/* CONSTANT b64d = (64, 0x995dc9bbdf1939fa) */ -/* CONSTANT b82 = (82, 0x0308c0111011401440411) */ -/* CONSTANT b82a = (82, 0x09ea83f625023801fd612) */ - -/* The next section was generated by relink.pl from the directives above. */ - -/* DO NOT EDIT the section below, INCLUDING the next comment. */ -/* BEGIN AUTO-GENERATED CONSTANTS */ -# if BMP_BIT >= 40 -static const bmp_t b40[] = { - BMP_C(0x0004820009) << (BMP_BIT - 40), -}; -static const bmp_t b40a[] = { - BMP_C(0xffffffffff) << (BMP_BIT - 40), -}; -static const bmp_t b40b[] = { - BMP_C(0xd4164fc646) << (BMP_BIT - 40), -}; -# else /* BMP_BIT */ -static const bmp_t b40[] = { - BMP_C(0x00048200) << (BMP_BIT - 32) | BMP_C(0x04) >> (39 - BMP_BIT), - BMP_C(0x09) << (BMP_BIT * 2 - 40), -}; -static const bmp_t b40a[] = { - BMP_C(0xffffffff) << (BMP_BIT - 32) | BMP_C(0x7f) >> (39 - BMP_BIT), - BMP_C(0xff) << (BMP_BIT * 2 - 40), -}; -static const bmp_t b40b[] = { - BMP_C(0xd4164fc6) << (BMP_BIT - 32) | BMP_C(0x23) >> (39 - BMP_BIT), - BMP_C(0x46) << (BMP_BIT * 2 - 40), -}; -# endif /* BMP_BIT */ - -# if BMP_BIT >= 64 -static const bmp_t b64[] = { - BMP_C(0x42f0e1eba9ea3693) << (BMP_BIT - 64), -}; -static const bmp_t b64a[] = { - BMP_C(0x6c40df5f0b497347) << (BMP_BIT - 64), -}; -static const bmp_t b64b[] = { - BMP_C(0xffffffffffffffff) << (BMP_BIT - 64), -}; -static const bmp_t b64c[] = { - BMP_C(0x62ec59e3f1a4f00a) << (BMP_BIT - 64), -}; -static const bmp_t b64d[] = { - BMP_C(0x995dc9bbdf1939fa) << (BMP_BIT - 64), -}; -# else /* BMP_BIT */ -static const bmp_t b64[] = { - BMP_C(0x42f0e1eb) << (BMP_BIT - 32) | BMP_C(0x54f51b49) >> (63 - BMP_BIT), - BMP_C(0xa9ea3693) << (BMP_BIT * 2 - 64), -}; -static const bmp_t b64a[] = { - BMP_C(0x6c40df5f) << (BMP_BIT - 32) | BMP_C(0x05a4b9a3) >> (63 - BMP_BIT), - BMP_C(0x0b497347) << (BMP_BIT * 2 - 64), -}; -static const bmp_t b64b[] = { - BMP_C(0xffffffff) << (BMP_BIT - 32) | BMP_C(0x7fffffff) >> (63 - BMP_BIT), - BMP_C(0xffffffff) << (BMP_BIT * 2 - 64), -}; -static const bmp_t b64c[] = { - BMP_C(0x62ec59e3) << (BMP_BIT - 32) | BMP_C(0x78d27805) >> (63 - BMP_BIT), - BMP_C(0xf1a4f00a) << (BMP_BIT * 2 - 64), -}; -static const bmp_t b64d[] = { - BMP_C(0x995dc9bb) << (BMP_BIT - 32) | BMP_C(0x6f8c9cfd) >> (63 - BMP_BIT), - BMP_C(0xdf1939fa) << (BMP_BIT * 2 - 64), -}; -# endif /* BMP_BIT */ - -# if BMP_BIT >= 82 -static const bmp_t b82[] = { - BMP_C(0x0308c0111011401440411) << (BMP_BIT - 82), -}; -static const bmp_t b82a[] = { - BMP_C(0x09ea83f625023801fd612) << (BMP_BIT - 82), -}; -# elif BMP_BIT >= 41 -static const bmp_t b82[] = { - BMP_C(0x01846008880) << (BMP_BIT - 41) | BMP_C(0x08a00a20208) >> (81 - BMP_BIT), - BMP_C(0x11401440411) << (BMP_BIT * 2 - 82), -}; -static const bmp_t b82a[] = { - BMP_C(0x04f541fb128) << (BMP_BIT - 41) | BMP_C(0x011c00feb09) >> (81 - BMP_BIT), - BMP_C(0x023801fd612) << (BMP_BIT * 2 - 82), -}; -# else /* BMP_BIT */ -static const bmp_t b82[] = { - BMP_C(0x0c230044) << (BMP_BIT - 32) | BMP_C(0x040) >> (40 - BMP_BIT), - BMP_C(0x40450051) << (BMP_BIT * 2 - 64) | BMP_C(0x00104) >> (80 - BMP_BIT * 2), - BMP_C(0x00411) << (BMP_BIT * 3 - 82), -}; -static const bmp_t b82a[] = { - BMP_C(0x27aa0fd8) << (BMP_BIT - 32) | BMP_C(0x094) >> (40 - BMP_BIT), - BMP_C(0x9408e007) << (BMP_BIT * 2 - 64) | BMP_C(0x0f584) >> (80 - BMP_BIT * 2), - BMP_C(0x3d612) << (BMP_BIT * 3 - 82), -}; -# endif /* BMP_BIT */ - -/* END AUTO-GENERATED CONSTANTS */ -/* DO NOT EDIT the section above, INCLUDING the previous comment. */ - -/* Array of the polynomial bitmaps used in the model table. */ -static const bmp_t b32[] = { - BMP_C(0x00000000) << (BMP_BIT - 32), /* 0 -- 5, 00 */ - BMP_C(0x000000af) << (BMP_BIT - 32), /* 1 -- 32,000000af */ - BMP_C(0x00010000) << (BMP_BIT - 32), /* 2 -- 16, 0001 */ - BMP_C(0x00020000) << (BMP_BIT - 32), /* 3 -- 15, 0001 */ - BMP_C(0x007e0000) << (BMP_BIT - 32), /* 4 -- 16, 007e */ - BMP_C(0x007f0000) << (BMP_BIT - 32), /* 5 -- 16, 007f */ - BMP_C(0x03400000) << (BMP_BIT - 32), /* 6 -- 11, 01a */ - BMP_C(0x0376e6e7) << (BMP_BIT - 32), /* 7 -- 32,0376e6e7 */ - BMP_C(0x04c11db7) << (BMP_BIT - 32), /* 8 -- 32,04c11db7 */ - BMP_C(0x05890000) << (BMP_BIT - 32), /* 9 -- 16, 0589 */ - BMP_C(0x07000000) << (BMP_BIT - 32), /* 10 -- 8, 07 */ - BMP_C(0x09823b6e) << (BMP_BIT - 32), /* 11 -- 31,04c11db7 */ - BMP_C(0x0b3c0000) << (BMP_BIT - 32), /* 12 -- 15, 059e */ - BMP_C(0x0c000000) << (BMP_BIT - 32), /* 13 -- 6, 03 */ - BMP_C(0x0fb30000) << (BMP_BIT - 32), /* 14 -- 16, 0fb3 */ - BMP_C(0x10210000) << (BMP_BIT - 32), /* 15 -- 16, 1021 */ - BMP_C(0x12000000) << (BMP_BIT - 32), /* 16 -- 7, 09 */ - BMP_C(0x15000000) << (BMP_BIT - 32), /* 17 -- 8, 15 */ - BMP_C(0x18000000) << (BMP_BIT - 32), /* 18 -- 6, 06 */ - BMP_C(0x19d3c8d8) << (BMP_BIT - 32), /* 19 -- 31,0ce9e46c */ - BMP_C(0x1c000000) << (BMP_BIT - 32), /* 20 -- 6, 07 */ - BMP_C(0x1d000000) << (BMP_BIT - 32), /* 21 -- 8, 1d */ - BMP_C(0x1d0f0000) << (BMP_BIT - 32), /* 22 -- 16, 1d0f */ - BMP_C(0x1edc6f41) << (BMP_BIT - 32), /* 23 -- 32,1edc6f41 */ - BMP_C(0x1f23b800) << (BMP_BIT - 32), /* 24 -- 24, 1f23b8 */ - BMP_C(0x20140000) << (BMP_BIT - 32), /* 25 -- 14, 0805 */ - BMP_C(0x20b40000) << (BMP_BIT - 32), /* 26 -- 14, 082d */ - BMP_C(0x21890000) << (BMP_BIT - 32), /* 27 -- 16, 2189 */ - BMP_C(0x21cf0200) << (BMP_BIT - 32), /* 28 -- 24, 21cf02 */ - BMP_C(0x25000000) << (BMP_BIT - 32), /* 29 -- 8, 25 */ - BMP_C(0x26b10000) << (BMP_BIT - 32), /* 30 -- 16, 26b1 */ - BMP_C(0x27d00000) << (BMP_BIT - 32), /* 31 -- 13, 04fa */ - BMP_C(0x28000000) << (BMP_BIT - 32), /* 32 -- 5, 05 */ - BMP_C(0x29b10000) << (BMP_BIT - 32), /* 33 -- 16, 29b1 */ - BMP_C(0x30000000) << (BMP_BIT - 32), /* 34 -- 4, 3 */ - BMP_C(0x3010bf7f) << (BMP_BIT - 32), /* 35 -- 32,3010bf7f */ - BMP_C(0x31000000) << (BMP_BIT - 32), /* 36 -- 8, 31 */ - BMP_C(0x31c30000) << (BMP_BIT - 32), /* 37 -- 16, 31c3 */ - BMP_C(0x34000000) << (BMP_BIT - 32), /* 38 -- 6, 0d */ - BMP_C(0x340bc6d9) << (BMP_BIT - 32), /* 39 -- 32,340bc6d9 */ - BMP_C(0x38000000) << (BMP_BIT - 32), /* 40 -- 5, 07 */ - BMP_C(0x39000000) << (BMP_BIT - 32), /* 41 -- 8, 39 */ - BMP_C(0x3d650000) << (BMP_BIT - 32), /* 42 -- 16, 3d65 */ - BMP_C(0x44c20000) << (BMP_BIT - 32), /* 43 -- 16, 44c2 */ - BMP_C(0x48000000) << (BMP_BIT - 32), /* 44 -- 5, 09 */ - BMP_C(0x4acc0000) << (BMP_BIT - 32), /* 45 -- 15, 2566 */ - BMP_C(0x4b370000) << (BMP_BIT - 32), /* 46 -- 16, 4b37 */ - BMP_C(0x4c060000) << (BMP_BIT - 32), /* 47 -- 16, 4c06 */ - BMP_C(0x55000000) << (BMP_BIT - 32), /* 48 -- 8, 55 */ - BMP_C(0x5d6dcb00) << (BMP_BIT - 32), /* 49 -- 24, 5d6dcb */ - BMP_C(0x60000000) << (BMP_BIT - 32), /* 50 -- 3, 3 */ - BMP_C(0x63d00000) << (BMP_BIT - 32), /* 51 -- 16, 63d0 */ - BMP_C(0x64000000) << (BMP_BIT - 32), /* 52 -- 6, 19 */ - BMP_C(0x66400000) << (BMP_BIT - 32), /* 53 -- 10, 199 */ - BMP_C(0x6f910000) << (BMP_BIT - 32), /* 54 -- 16, 6f91 */ - BMP_C(0x70000000) << (BMP_BIT - 32), /* 55 -- 4, 7 */ - BMP_C(0x70a00000) << (BMP_BIT - 32), /* 56 -- 11, 385 */ - BMP_C(0x765e7680) << (BMP_BIT - 32), /* 57 -- 32,765e7680 */ - BMP_C(0x7979bd00) << (BMP_BIT - 32), /* 58 -- 24, 7979bd */ - BMP_C(0x7e000000) << (BMP_BIT - 32), /* 59 -- 8, 7e */ - BMP_C(0x80050000) << (BMP_BIT - 32), /* 60 -- 16, 8005 */ - BMP_C(0x800d0000) << (BMP_BIT - 32), /* 61 -- 16, 800d */ - BMP_C(0x80f00000) << (BMP_BIT - 32), /* 62 -- 12, 80f */ - BMP_C(0x814141ab) << (BMP_BIT - 32), /* 63 -- 32,814141ab */ - BMP_C(0x864cfb00) << (BMP_BIT - 32), /* 64 -- 24, 864cfb */ - BMP_C(0x87315576) << (BMP_BIT - 32), /* 65 -- 32,87315576 */ - BMP_C(0x89ec0000) << (BMP_BIT - 32), /* 66 -- 16, 89ec */ - BMP_C(0x8b320000) << (BMP_BIT - 32), /* 67 -- 15, 4599 */ - BMP_C(0x8bb70000) << (BMP_BIT - 32), /* 68 -- 16, 8bb7 */ - BMP_C(0x8cc00000) << (BMP_BIT - 32), /* 69 -- 10, 233 */ - BMP_C(0x906e0000) << (BMP_BIT - 32), /* 70 -- 16, 906e */ - BMP_C(0x97000000) << (BMP_BIT - 32), /* 71 -- 8, 97 */ - BMP_C(0x98000000) << (BMP_BIT - 32), /* 72 -- 6, 26 */ - BMP_C(0x9b000000) << (BMP_BIT - 32), /* 73 -- 8, 9b */ - BMP_C(0x9c000000) << (BMP_BIT - 32), /* 74 -- 6, 27 */ - BMP_C(0x9e000000) << (BMP_BIT - 32), /* 75 -- 7, 4f */ - BMP_C(0x9ecf0000) << (BMP_BIT - 32), /* 76 -- 16, 9ecf */ - BMP_C(0xa0970000) << (BMP_BIT - 32), /* 77 -- 16, a097 */ - BMP_C(0xa1000000) << (BMP_BIT - 32), /* 78 -- 8, a1 */ - BMP_C(0xa6000000) << (BMP_BIT - 32), /* 79 -- 7, 53 */ - BMP_C(0xa8000000) << (BMP_BIT - 32), /* 80 -- 5, 15 */ - BMP_C(0xa833982b) << (BMP_BIT - 32), /* 81 -- 32,a833982b */ - BMP_C(0xabcdef00) << (BMP_BIT - 32), /* 82 -- 24, abcdef */ - BMP_C(0xb2aa0000) << (BMP_BIT - 32), /* 83 -- 16, b2aa */ - BMP_C(0xb4600000) << (BMP_BIT - 32), /* 84 -- 11, 5a3 */ - BMP_C(0xb4c80000) << (BMP_BIT - 32), /* 85 -- 16, b4c8 */ - BMP_C(0xb704ce00) << (BMP_BIT - 32), /* 86 -- 24, b704ce */ - BMP_C(0xbb3d0000) << (BMP_BIT - 32), /* 87 -- 16, bb3d */ - BMP_C(0xbc000000) << (BMP_BIT - 32), /* 88 -- 8, bc */ - BMP_C(0xbd0be338) << (BMP_BIT - 32), /* 89 -- 32,bd0be338 */ - BMP_C(0xbf050000) << (BMP_BIT - 32), /* 90 -- 16, bf05 */ - BMP_C(0xc0000000) << (BMP_BIT - 32), /* 91 -- 3, 6 */ - BMP_C(0xc2b70000) << (BMP_BIT - 32), /* 92 -- 16, c2b7 */ - BMP_C(0xc6c60000) << (BMP_BIT - 32), /* 93 -- 16, c6c6 */ - BMP_C(0xc8000000) << (BMP_BIT - 32), /* 94 -- 5, 19 */ - BMP_C(0xc8670000) << (BMP_BIT - 32), /* 95 -- 16, c867 */ - BMP_C(0xcbf43926) << (BMP_BIT - 32), /* 96 -- 32,cbf43926 */ - BMP_C(0xd0000000) << (BMP_BIT - 32), /* 97 -- 8, d0 */ - BMP_C(0xd02a0000) << (BMP_BIT - 32), /* 98 -- 15, 6815 */ - BMP_C(0xd0db0000) << (BMP_BIT - 32), /* 99 -- 16, d0db */ - BMP_C(0xd4d00000) << (BMP_BIT - 32), /* 100 -- 12, d4d */ - BMP_C(0xd5000000) << (BMP_BIT - 32), /* 101 -- 8, d5 */ - BMP_C(0xd64e0000) << (BMP_BIT - 32), /* 102 -- 16, d64e */ - BMP_C(0xda000000) << (BMP_BIT - 32), /* 103 -- 8, da */ - BMP_C(0xdaf00000) << (BMP_BIT - 32), /* 104 -- 12, daf */ - BMP_C(0xe0000000) << (BMP_BIT - 32), /* 105 -- 3, 7 */ - BMP_C(0xe3069283) << (BMP_BIT - 32), /* 106 -- 32,e3069283 */ - BMP_C(0xe5cc0000) << (BMP_BIT - 32), /* 107 -- 16, e5cc */ - BMP_C(0xe7a80000) << (BMP_BIT - 32), /* 108 -- 13, 1cf5 */ - BMP_C(0xea000000) << (BMP_BIT - 32), /* 109 -- 7, 75 */ - BMP_C(0xea820000) << (BMP_BIT - 32), /* 110 -- 16, ea82 */ - BMP_C(0xec000000) << (BMP_BIT - 32), /* 111 -- 6, 3b */ - BMP_C(0xf1300000) << (BMP_BIT - 32), /* 112 -- 12, f13 */ - BMP_C(0xf4000000) << (BMP_BIT - 32), /* 113 -- 8, f4 */ - BMP_C(0xf5b00000) << (BMP_BIT - 32), /* 114 -- 12, f5b */ - BMP_C(0xf6400000) << (BMP_BIT - 32), /* 115 -- 10, 3d9 */ - BMP_C(0xf8000000) << (BMP_BIT - 32), /* 116 -- 5, 1f */ - BMP_C(0xfc000000) << (BMP_BIT - 32), /* 117 -- 6, 3f */ - BMP_C(0xfc891918) << (BMP_BIT - 32), /* 118 -- 32,fc891918 */ - BMP_C(0xfd000000) << (BMP_BIT - 32), /* 119 -- 8, fd */ - BMP_C(0xfe000000) << (BMP_BIT - 32), /* 120 -- 7, 7f */ - BMP_C(0xfedcba00) << (BMP_BIT - 32), /* 121 -- 24, fedcba */ - BMP_C(0xfee80000) << (BMP_BIT - 32), /* 122 -- 16, fee8 */ - BMP_C(0xff000000) << (BMP_BIT - 32), /* 123 -- 8, ff */ - BMP_C(0xffc00000) << (BMP_BIT - 32), /* 124 -- 10, 3ff */ - BMP_C(0xfff00000) << (BMP_BIT - 32), /* 125 -- 12, fff */ - BMP_C(0xffff0000) << (BMP_BIT - 32), /* 126 -- 16, ffff */ - BMP_C(0xfffffffe) << (BMP_BIT - 32), /* 127 -- 31,7fffffff */ - BMP_C(0xffffffff) << (BMP_BIT - 32), /* 128 -- 32,ffffffff */ -}; - -/* Table of preset CRC models. - * Sorted by left-justified polynomial for bsearch(). - */ -static const struct mpreset models[] = { - {32UL, b32+ 1, 0, P_BE, 0, b32+ 89, "XFER" }, /* 0 */ - {40UL, b40, 0, P_BE, b40a, b40b, "CRC-40/GSM" }, /* 1 */ - {32UL, b32+ 8, 0, P_BE, b32+128, b32+ 57, "CRC-32/POSIX" }, /* 2 */ - {32UL, b32+ 8, b32+128, P_BE, 0, b32+ 7, "CRC-32/MPEG-2" }, /* 3 */ - {32UL, b32+ 8, b32+128, P_BE, b32+128, b32+118, "CRC-32/BZIP2" }, /* 4 */ - {32UL, b32+ 8, b32+128, P_LE, 0, b32+ 39, "JAMCRC" }, /* 5 */ - {32UL, b32+ 8, b32+128, P_LE, b32+128, b32+ 96, "CRC-32" }, /* 6 */ - {16UL, b32+ 9, 0, P_BE, 0, b32+ 5, "CRC-16/DECT-X" }, /* 7 */ - {16UL, b32+ 9, 0, P_BE, b32+ 2, b32+ 4, "CRC-16/DECT-R" }, /* 8 */ - { 8UL, b32+ 10, 0, P_BE, 0, b32+113, "CRC-8" }, /* 9 */ - { 8UL, b32+ 10, 0, P_BE, b32+ 48, b32+ 78, "CRC-8/ITU" }, /* 10 */ - { 8UL, b32+ 10, b32+123, P_LE, 0, b32+ 97, "CRC-8/ROHC" }, /* 11 */ - {31UL, b32+ 11, b32+127, P_BE, b32+127, b32+ 19, "CRC-31/PHILIPS" }, /* 12 */ - { 6UL, b32+ 13, 0, P_LE, 0, b32+ 18, "CRC-6/ITU" }, /* 13 */ - {82UL, b82, 0, P_LE, 0, b82a, "CRC-82/DARC" }, /* 14 */ - {16UL, b32+ 15, 0, P_BE, 0, b32+ 37, "XMODEM" }, /* 15 */ - {16UL, b32+ 15, 0, P_LE, 0, b32+ 27, "KERMIT" }, /* 16 */ - {16UL, b32+ 15, b32+ 22, P_BE, 0, b32+107, "CRC-16/AUG-CCITT" }, /* 17 */ - {16UL, b32+ 15, b32+ 66, P_LE, 0, b32+ 30, "CRC-16/TMS37157" }, /* 18 */ - {16UL, b32+ 15, b32+ 83, P_LE, 0, b32+ 51, "CRC-16/RIELLO" }, /* 19 */ - {16UL, b32+ 15, b32+ 93, P_LE, 0, b32+ 90, "CRC-A" }, /* 20 */ - {16UL, b32+ 15, b32+126, P_BE, 0, b32+ 33, "CRC-16/CCITT-FALSE"}, /* 21 */ - {16UL, b32+ 15, b32+126, P_BE, b32+126, b32+102, "CRC-16/GENIBUS" }, /* 22 */ - {16UL, b32+ 15, b32+126, P_LE, 0, b32+ 54, "CRC-16/MCRF4XX" }, /* 23 */ - {16UL, b32+ 15, b32+126, P_LE, b32+126, b32+ 70, "X-25" }, /* 24 */ - { 7UL, b32+ 16, 0, P_BE, 0, b32+109, "CRC-7" }, /* 25 */ - { 6UL, b32+ 20, b32+117, P_BE, 0, b32+111, "CRC-6/CDMA2000-B" }, /* 26 */ - { 8UL, b32+ 21, b32+119, P_BE, 0, b32+ 59, "CRC-8/I-CODE" }, /* 27 */ - { 8UL, b32+ 21, b32+123, P_LE, 0, b32+ 71, "CRC-8/EBU" }, /* 28 */ - {32UL, b32+ 23, b32+128, P_LE, b32+128, b32+106, "CRC-32C" }, /* 29 */ - {14UL, b32+ 25, 0, P_LE, 0, b32+ 26, "CRC-14/DARC" }, /* 30 */ - { 5UL, b32+ 32, b32+116, P_LE, b32+116, b32+ 94, "CRC-5/USB" }, /* 31 */ - { 4UL, b32+ 34, 0, P_LE, 0, b32+ 55, "CRC-4/ITU" }, /* 32 */ - { 8UL, b32+ 36, 0, P_LE, 0, b32+ 78, "CRC-8/MAXIM" }, /* 33 */ - { 8UL, b32+ 41, 0, P_LE, 0, b32+ 17, "CRC-8/DARC" }, /* 34 */ - {16UL, b32+ 42, 0, P_BE, b32+126, b32+ 92, "CRC-16/EN-13757" }, /* 35 */ - {16UL, b32+ 42, 0, P_LE, b32+126, b32+110, "CRC-16/DNP" }, /* 36 */ - {64UL, b64, 0, P_BE, 0, b64a, "CRC-64" }, /* 37 */ - {64UL, b64, b64b, P_BE, b64b, b64c, "CRC-64/WE" }, /* 38 */ - {64UL, b64, b64b, P_LE, b64b, b64d, "CRC-64/XZ" }, /* 39 */ - { 5UL, b32+ 44, b32+ 44, P_BE, 0, b32+ 0, "CRC-5/EPC" }, /* 40 */ - {24UL, b32+ 49, b32+ 82, P_BE, 0, b32+ 24, "CRC-24/FLEXRAY-B" }, /* 41 */ - {24UL, b32+ 49, b32+121, P_BE, 0, b32+ 58, "CRC-24/FLEXRAY-A" }, /* 42 */ - { 3UL, b32+ 50, b32+105, P_LE, 0, b32+ 91, "CRC-3/ROHC" }, /* 43 */ - { 6UL, b32+ 52, 0, P_LE, 0, b32+ 72, "CRC-6/DARC" }, /* 44 */ - {11UL, b32+ 56, b32+ 6, P_BE, 0, b32+ 84, "CRC-11" }, /* 45 */ - {16UL, b32+ 60, 0, P_BE, 0, b32+122, "CRC-16/BUYPASS" }, /* 46 */ - {16UL, b32+ 60, 0, P_LE, 0, b32+ 87, "ARC" }, /* 47 */ - {16UL, b32+ 60, 0, P_LE, b32+126, b32+ 43, "CRC-16/MAXIM" }, /* 48 */ - {16UL, b32+ 60, b32+ 61, P_BE, 0, b32+ 76, "CRC-16/DDS-110" }, /* 49 */ - {16UL, b32+ 60, b32+126, P_LE, 0, b32+ 46, "MODBUS" }, /* 50 */ - {16UL, b32+ 60, b32+126, P_LE, b32+126, b32+ 85, "CRC-16/USB" }, /* 51 */ - {12UL, b32+ 62, 0, P_BE, 0, b32+114, "CRC-12/DECT" }, /* 52 */ - {12UL, b32+ 62, 0, P_BELE, 0, b32+104, "CRC-12/3GPP" }, /* 53 */ - {32UL, b32+ 63, 0, P_BE, 0, b32+ 35, "CRC-32Q" }, /* 54 */ - {24UL, b32+ 64, b32+ 86, P_BE, 0, b32+ 28, "CRC-24" }, /* 55 */ - {15UL, b32+ 67, 0, P_BE, 0, b32+ 12, "CRC-15" }, /* 56 */ - {16UL, b32+ 68, 0, P_BE, 0, b32+ 99, "CRC-16/T10-DIF" }, /* 57 */ - {10UL, b32+ 69, 0, P_BE, 0, b32+ 53, "CRC-10" }, /* 58 */ - { 8UL, b32+ 73, 0, P_LE, 0, b32+ 29, "CRC-8/WCDMA" }, /* 59 */ - { 8UL, b32+ 73, b32+123, P_BE, 0, b32+103, "CRC-8/CDMA2000" }, /* 60 */ - { 6UL, b32+ 74, b32+117, P_BE, 0, b32+ 38, "CRC-6/CDMA2000-A" }, /* 61 */ - { 7UL, b32+ 75, b32+120, P_LE, 0, b32+ 79, "CRC-7/ROHC" }, /* 62 */ - {16UL, b32+ 77, 0, P_BE, 0, b32+ 14, "CRC-16/TELEDISK" }, /* 63 */ - { 5UL, b32+ 80, 0, P_LE, 0, b32+ 40, "CRC-5/ITU" }, /* 64 */ - {32UL, b32+ 81, b32+128, P_LE, b32+128, b32+ 65, "CRC-32D" }, /* 65 */ - {16UL, b32+ 95, b32+126, P_BE, 0, b32+ 47, "CRC-16/CDMA2000" }, /* 66 */ - {15UL, b32+ 98, 0, P_BE, b32+ 3, b32+ 45, "CRC-15/MPT1327" }, /* 67 */ - { 8UL, b32+101, 0, P_BE, 0, b32+ 88, "CRC-8/DVB-S2" }, /* 68 */ - {13UL, b32+108, 0, P_BE, 0, b32+ 31, "CRC-13/BBC" }, /* 69 */ - {12UL, b32+112, b32+125, P_BE, 0, b32+100, "CRC-12/CDMA2000" }, /* 70 */ - {10UL, b32+115, b32+124, P_BE, 0, b32+ 69, "CRC-10/CDMA2000" }, /* 71 */ -}; -# define NPRESETS 72 - -/* List of names with pointers to models, pre-sorted for use with bsearch() */ -static const struct malias aliases[] = { - {"ARC", models+47, 1}, /* 0 */ - {"B-CRC-32", models+ 4, 0}, /* 1 */ - {"CKSUM", models+ 2, 0}, /* 2 */ - {"CRC-10", models+58, 1}, /* 3 */ - {"CRC-10/CDMA2000", models+71, 1}, /* 4 */ - {"CRC-11", models+45, 1}, /* 5 */ - {"CRC-12/3GPP", models+53, 1}, /* 6 */ - {"CRC-12/CDMA2000", models+70, 1}, /* 7 */ - {"CRC-12/DECT", models+52, 1}, /* 8 */ - {"CRC-13/BBC", models+69, 1}, /* 9 */ - {"CRC-14/DARC", models+30, 1}, /* 10 */ - {"CRC-15", models+56, 1}, /* 11 */ - {"CRC-15/MPT1327", models+67, 1}, /* 12 */ - {"CRC-16", models+47, 0}, /* 13 */ - {"CRC-16/ACORN", models+15, 0}, /* 14 */ - {"CRC-16/ARC", models+47, 0}, /* 15 */ - {"CRC-16/AUG-CCITT", models+17, 1}, /* 16 */ - {"CRC-16/BUYPASS", models+46, 1}, /* 17 */ - {"CRC-16/CCITT", models+16, 0}, /* 18 */ - {"CRC-16/CCITT-FALSE", models+21, 1}, /* 19 */ - {"CRC-16/CCITT-TRUE", models+16, 0}, /* 20 */ - {"CRC-16/CDMA2000", models+66, 1}, /* 21 */ - {"CRC-16/DARC", models+22, 0}, /* 22 */ - {"CRC-16/DDS-110", models+49, 1}, /* 23 */ - {"CRC-16/DECT-R", models+ 8, 1}, /* 24 */ - {"CRC-16/DECT-X", models+ 7, 1}, /* 25 */ - {"CRC-16/DNP", models+36, 1}, /* 26 */ - {"CRC-16/EN-13757", models+35, 1}, /* 27 */ - {"CRC-16/EPC", models+22, 0}, /* 28 */ - {"CRC-16/GENIBUS", models+22, 1}, /* 29 */ - {"CRC-16/I-CODE", models+22, 0}, /* 30 */ - {"CRC-16/IBM-SDLC", models+24, 0}, /* 31 */ - {"CRC-16/ISO-HDLC", models+24, 0}, /* 32 */ - {"CRC-16/LHA", models+47, 0}, /* 33 */ - {"CRC-16/MAXIM", models+48, 1}, /* 34 */ - {"CRC-16/MCRF4XX", models+23, 1}, /* 35 */ - {"CRC-16/RIELLO", models+19, 1}, /* 36 */ - {"CRC-16/SPI-FUJITSU", models+17, 0}, /* 37 */ - {"CRC-16/T10-DIF", models+57, 1}, /* 38 */ - {"CRC-16/TELEDISK", models+63, 1}, /* 39 */ - {"CRC-16/TMS37157", models+18, 1}, /* 40 */ - {"CRC-16/USB", models+51, 1}, /* 41 */ - {"CRC-16/VERIFONE", models+46, 0}, /* 42 */ - {"CRC-24", models+55, 1}, /* 43 */ - {"CRC-24/FLEXRAY-A", models+42, 1}, /* 44 */ - {"CRC-24/FLEXRAY-B", models+41, 1}, /* 45 */ - {"CRC-24/OPENPGP", models+55, 0}, /* 46 */ - {"CRC-3/ROHC", models+43, 1}, /* 47 */ - {"CRC-31/PHILIPS", models+12, 1}, /* 48 */ - {"CRC-32", models+ 6, 1}, /* 49 */ - {"CRC-32/AAL5", models+ 4, 0}, /* 50 */ - {"CRC-32/ADCCP", models+ 6, 0}, /* 51 */ - {"CRC-32/BZIP2", models+ 4, 1}, /* 52 */ - {"CRC-32/CASTAGNOLI", models+29, 0}, /* 53 */ - {"CRC-32/DECT-B", models+ 4, 0}, /* 54 */ - {"CRC-32/ISCSI", models+29, 0}, /* 55 */ - {"CRC-32/MPEG-2", models+ 3, 1}, /* 56 */ - {"CRC-32/POSIX", models+ 2, 1}, /* 57 */ - {"CRC-32C", models+29, 1}, /* 58 */ - {"CRC-32D", models+65, 1}, /* 59 */ - {"CRC-32Q", models+54, 1}, /* 60 */ - {"CRC-4/ITU", models+32, 1}, /* 61 */ - {"CRC-40/GSM", models+ 1, 1}, /* 62 */ - {"CRC-5/EPC", models+40, 1}, /* 63 */ - {"CRC-5/ITU", models+64, 1}, /* 64 */ - {"CRC-5/USB", models+31, 1}, /* 65 */ - {"CRC-6/CDMA2000-A", models+61, 1}, /* 66 */ - {"CRC-6/CDMA2000-B", models+26, 1}, /* 67 */ - {"CRC-6/DARC", models+44, 1}, /* 68 */ - {"CRC-6/ITU", models+13, 1}, /* 69 */ - {"CRC-64", models+37, 1}, /* 70 */ - {"CRC-64/WE", models+38, 1}, /* 71 */ - {"CRC-64/XZ", models+39, 1}, /* 72 */ - {"CRC-7", models+25, 1}, /* 73 */ - {"CRC-7/ROHC", models+62, 1}, /* 74 */ - {"CRC-8", models+ 9, 1}, /* 75 */ - {"CRC-8/AES", models+28, 0}, /* 76 */ - {"CRC-8/CDMA2000", models+60, 1}, /* 77 */ - {"CRC-8/DARC", models+34, 1}, /* 78 */ - {"CRC-8/DVB-S2", models+68, 1}, /* 79 */ - {"CRC-8/EBU", models+28, 1}, /* 80 */ - {"CRC-8/I-CODE", models+27, 1}, /* 81 */ - {"CRC-8/ITU", models+10, 1}, /* 82 */ - {"CRC-8/MAXIM", models+33, 1}, /* 83 */ - {"CRC-8/ROHC", models+11, 1}, /* 84 */ - {"CRC-8/WCDMA", models+59, 1}, /* 85 */ - {"CRC-82/DARC", models+14, 1}, /* 86 */ - {"CRC-A", models+20, 1}, /* 87 */ - {"CRC-B", models+24, 0}, /* 88 */ - {"CRC-CCITT", models+16, 0}, /* 89 */ - {"CRC-IBM", models+47, 0}, /* 90 */ - {"DOW-CRC", models+33, 0}, /* 91 */ - {"JAMCRC", models+ 5, 1}, /* 92 */ - {"KERMIT", models+16, 1}, /* 93 */ - {"MODBUS", models+50, 1}, /* 94 */ - {"PKZIP", models+ 6, 0}, /* 95 */ - {"R-CRC-16", models+ 8, 0}, /* 96 */ - {"X-25", models+24, 1}, /* 97 */ - {"X-CRC-12", models+52, 0}, /* 98 */ - {"X-CRC-16", models+ 7, 0}, /* 99 */ - {"XFER", models+ 0, 1}, /* 100 */ - {"XMODEM", models+15, 1}, /* 101 */ - {"ZMODEM", models+15, 0}, /* 102 */ - {NULL, NULL, 0}, /* terminating entry */ -}; -# define NALIASES 103 - -# endif /* BMP_BIT */ -#else /* PRESETS */ - -static const struct mpreset models[] = { - { 0UL, 0, 0, P_BE, 0, 0, NULL }, /* terminating entry */ -}; -# define NPRESETS 0 - -static const struct malias aliases[] = { - {NULL, NULL, 0}, /* terminating entry */ -}; -# define NALIASES 0 - -#endif /* PRESETS */ - static const poly_t pzero = PZERO; -static int acmp(const struct malias *, const struct malias *); -static void munpack(model_t *, const struct mpreset *); - -/* copy a parameter of a preset into a model */ -#define MUNPACK(parm) \ - praloc(&dest->parm, (src->b##parm ? src->width : 0UL)); \ - for(iter=0UL, idx=0UL; iter < dest->parm.length; iter += BMP_BIT, ++idx)\ - dest->parm.bitmap[idx] = src->b##parm[idx]; - /* Definitions */ void @@ -570,7 +74,7 @@ int mcmp(const model_t *a, const model_t *b) { /* Compares a and b for identical effect, i.e. disregarding * trailing zeroes in parameter polys. - * Intended for bsearch() to find a matching model in models[]. + * Intended for bsearch(). */ int result; if(!a || !b) return(!b - !a); @@ -583,79 +87,6 @@ mcmp(const model_t *a, const model_t *b) { return(psncmp(&a->xorout, &b->xorout)); } -int -mbynam(model_t *dest, const char *key) { - /* Sets parameters in dest according to the model named by key. - */ - struct malias akey = {NULL, NULL, 0}, *aptr; - char *ukey, *uptr; - - if(!aliases->name) - return(-1); - if(!(ukey = malloc((size_t) 1 + strlen(key)))) - uerror("cannot allocate memory for comparison string"); - akey.name = uptr = ukey; - do - *uptr++ = toupper(*key); - while(*key++); - - aptr = bsearch(&akey, aliases, NALIASES, sizeof(struct malias), (int (*)(const void *, const void *)) &acmp); - free(ukey); - - if(aptr == NULL) - return(0); - munpack(dest, aptr->model); - return(1); -} - -void -mbynum(model_t *dest, int num) { - /* Sets parameters in dest according to the model indexed by num. */ - if(num > NPRESETS) - num = NPRESETS; - munpack(dest, models+num); -} - -int -mcount(void) { - /* Returns the number of preset models. */ - return(NPRESETS); -} - -char * -mnames(void) { - /* Returns a malloc()-ed string of the names of all preset - * models, separated by newlines and terminated by NULL. - * Aliases are not listed. - */ - size_t size = 0; - char *string, *sptr; - const struct malias *aptr = aliases; - - while(aptr->name) { - if(aptr->isprimry) - size += strlen(aptr->name) + 1; - ++aptr; - } - if(!size) return(NULL); - if((string = malloc(size))) { - aptr = aliases; - sptr = string; - while(aptr->name) { - if(aptr->isprimry) { - strcpy(sptr, aptr->name); - sptr += strlen(aptr->name); - *sptr++ = '\n'; - } - ++aptr; - } - *--sptr = '\0'; - } else - uerror("cannot allocate memory for list of models"); - - return(string); -} - char * mtostr(const model_t *model) { /* Returns a malloc()-ed string containing a Williams model @@ -711,21 +142,6 @@ mtostr(const model_t *model) { return(string); } -void -mmatch(model_t *model, int flags) { - /* searches models[] for a model matching the argument, and links a name if found - * if flags & M_OVERWR, copies the found model onto the argument. */ - model_t *mptr; - if(!model) return; - - mptr = bsearch(model, models, NPRESETS, sizeof(model_t), (int (*)(const void *, const void *)) &mcmp); - if(mptr) { - model->name = mptr->name; - if(flags & M_OVERWR) - mcpy(model, mptr); - } -} - void mcanon(model_t *model) { /* canonicalise a model */ @@ -741,6 +157,14 @@ mcanon(model_t *model) { praloc(&model->init, dlen); praloc(&model->xorout, dlen); + /* only calculate Check if missing. Relying on all functions + * changing parameters to call mnovel(). This is to ensure that + * the Check value stored in the preset table is printed when + * the model is dumped. If something goes wrong with the + * calculator then the discrepancy with the stored Check value + * might be noticed. Storing the Check value with each preset + * is highly preferred. + */ if(!plen(model->check)) mcheck(model); } @@ -797,27 +221,3 @@ mnovel(model_t *model) { model->name = NULL; pfree(&model->check); } - -static int -acmp(const struct malias *a, const struct malias *b) { - /* compares two aliases, for use in bsearch */ - if(!a || !b) return(!b - !a); - if(!a->name || !b->name) return(!b->name - !a->name); - return(strcmp(a->name, b->name)); -} - -static void -munpack(model_t *dest, const struct mpreset *src) { - /* Copies the parameters of src to dest. - * dest must be an initialised model. - */ - unsigned long iter, idx; - if(!dest || !src) return; - MUNPACK(spoly); - MUNPACK(init); - MUNPACK(xorout); - MUNPACK(check); - dest->flags = src->flags; - /* link to the name as it is static */ - dest->name = src->name; -}