Add STANAG 5066 DTS CRC routines. Bug 9217 (https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9217)

STANAG 5066 DTS will follow when it passes review, just trying to make the patch more manageable.

svn path=/trunk/; revision=52774

1 files changed, 80 insertions, 0 deletions

diff --git a/wsutil/crc32.c b/wsutil/crc32.c
index dbbe288d2d..daa33b5112 100644
--- a/wsutil/crc32.c
+++ b/wsutil/crc32.c
@@ -224,6 +224,74 @@ static const guint32 crc32_mpeg2_table[256] = {
 		0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4
 };
 
+/* This table was compiled using the polynom: 0x0AA725CF*/
+static const guint crc32_0AA725CF_reverse[] = {
+		0x00000000L, 0xCEAA95CEL, 0x7A1CE13DL, 0xB4B674F3L,
+		0xF439C27AL, 0x3A9357B4L, 0x8E252347L, 0x408FB689L,
+		0x0F3A4E55L, 0xC190DB9BL, 0x7526AF68L, 0xBB8C3AA6L,
+		0xFB038C2FL, 0x35A919E1L, 0x811F6D12L, 0x4FB5F8DCL,
+		0x1E749CAAL, 0xD0DE0964L, 0x64687D97L, 0xAAC2E859L,
+		0xEA4D5ED0L, 0x24E7CB1EL, 0x9051BFEDL, 0x5EFB2A23L,
+		0x114ED2FFL, 0xDFE44731L, 0x6B5233C2L, 0xA5F8A60CL,
+		0xE5771085L, 0x2BDD854BL, 0x9F6BF1B8L, 0x51C16476L,
+		0x3CE93954L, 0xF243AC9AL, 0x46F5D869L, 0x885F4DA7L,
+		0xC8D0FB2EL, 0x067A6EE0L, 0xB2CC1A13L, 0x7C668FDDL,
+		0x33D37701L, 0xFD79E2CFL, 0x49CF963CL, 0x876503F2L,
+		0xC7EAB57BL, 0x094020B5L, 0xBDF65446L, 0x735CC188L,
+		0x229DA5FEL, 0xEC373030L, 0x588144C3L, 0x962BD10DL,
+		0xD6A46784L, 0x180EF24AL, 0xACB886B9L, 0x62121377L,
+		0x2DA7EBABL, 0xE30D7E65L, 0x57BB0A96L, 0x99119F58L,
+		0xD99E29D1L, 0x1734BC1FL, 0xA382C8ECL, 0x6D285D22L,
+		0x79D272A8L, 0xB778E766L, 0x03CE9395L, 0xCD64065BL,
+		0x8DEBB0D2L, 0x4341251CL, 0xF7F751EFL, 0x395DC421L,
+		0x76E83CFDL, 0xB842A933L, 0x0CF4DDC0L, 0xC25E480EL,
+		0x82D1FE87L, 0x4C7B6B49L, 0xF8CD1FBAL, 0x36678A74L,
+		0x67A6EE02L, 0xA90C7BCCL, 0x1DBA0F3FL, 0xD3109AF1L,
+		0x939F2C78L, 0x5D35B9B6L, 0xE983CD45L, 0x2729588BL,
+		0x689CA057L, 0xA6363599L, 0x1280416AL, 0xDC2AD4A4L,
+		0x9CA5622DL, 0x520FF7E3L, 0xE6B98310L, 0x281316DEL,
+		0x453B4BFCL, 0x8B91DE32L, 0x3F27AAC1L, 0xF18D3F0FL,
+		0xB1028986L, 0x7FA81C48L, 0xCB1E68BBL, 0x05B4FD75L,
+		0x4A0105A9L, 0x84AB9067L, 0x301DE494L, 0xFEB7715AL,
+		0xBE38C7D3L, 0x7092521DL, 0xC42426EEL, 0x0A8EB320L,
+		0x5B4FD756L, 0x95E54298L, 0x2153366BL, 0xEFF9A3A5L,
+		0xAF76152CL, 0x61DC80E2L, 0xD56AF411L, 0x1BC061DFL,
+		0x54759903L, 0x9ADF0CCDL, 0x2E69783EL, 0xE0C3EDF0L,
+		0xA04C5B79L, 0x6EE6CEB7L, 0xDA50BA44L, 0x14FA2F8AL,
+		0xF3A4E550L, 0x3D0E709EL, 0x89B8046DL, 0x471291A3L,
+		0x079D272AL, 0xC937B2E4L, 0x7D81C617L, 0xB32B53D9L,
+		0xFC9EAB05L, 0x32343ECBL, 0x86824A38L, 0x4828DFF6L,
+		0x08A7697FL, 0xC60DFCB1L, 0x72BB8842L, 0xBC111D8CL,
+		0xEDD079FAL, 0x237AEC34L, 0x97CC98C7L, 0x59660D09L,
+		0x19E9BB80L, 0xD7432E4EL, 0x63F55ABDL, 0xAD5FCF73L,
+		0xE2EA37AFL, 0x2C40A261L, 0x98F6D692L, 0x565C435CL,
+		0x16D3F5D5L, 0xD879601BL, 0x6CCF14E8L, 0xA2658126L,
+		0xCF4DDC04L, 0x01E749CAL, 0xB5513D39L, 0x7BFBA8F7L,
+		0x3B741E7EL, 0xF5DE8BB0L, 0x4168FF43L, 0x8FC26A8DL,
+		0xC0779251L, 0x0EDD079FL, 0xBA6B736CL, 0x74C1E6A2L,
+		0x344E502BL, 0xFAE4C5E5L, 0x4E52B116L, 0x80F824D8L,
+		0xD13940AEL, 0x1F93D560L, 0xAB25A193L, 0x658F345DL,
+		0x250082D4L, 0xEBAA171AL, 0x5F1C63E9L, 0x91B6F627L,
+		0xDE030EFBL, 0x10A99B35L, 0xA41FEFC6L, 0x6AB57A08L,
+		0x2A3ACC81L, 0xE490594FL, 0x50262DBCL, 0x9E8CB872L,
+		0x8A7697F8L, 0x44DC0236L, 0xF06A76C5L, 0x3EC0E30BL,
+		0x7E4F5582L, 0xB0E5C04CL, 0x0453B4BFL, 0xCAF92171L,
+		0x854CD9ADL, 0x4BE64C63L, 0xFF503890L, 0x31FAAD5EL,
+		0x71751BD7L, 0xBFDF8E19L, 0x0B69FAEAL, 0xC5C36F24L,
+		0x94020B52L, 0x5AA89E9CL, 0xEE1EEA6FL, 0x20B47FA1L,
+		0x603BC928L, 0xAE915CE6L, 0x1A272815L, 0xD48DBDDBL,
+		0x9B384507L, 0x5592D0C9L, 0xE124A43AL, 0x2F8E31F4L,
+		0x6F01877DL, 0xA1AB12B3L, 0x151D6640L, 0xDBB7F38EL,
+		0xB69FAEACL, 0x78353B62L, 0xCC834F91L, 0x0229DA5FL,
+		0x42A66CD6L, 0x8C0CF918L, 0x38BA8DEBL, 0xF6101825L,
+		0xB9A5E0F9L, 0x770F7537L, 0xC3B901C4L, 0x0D13940AL,
+		0x4D9C2283L, 0x8336B74DL, 0x3780C3BEL, 0xF92A5670L,
+		0xA8EB3206L, 0x6641A7C8L, 0xD2F7D33BL, 0x1C5D46F5L,
+		0x5CD2F07CL, 0x927865B2L, 0x26CE1141L, 0xE864848FL,
+		0xA7D17C53L, 0x697BE99DL, 0xDDCD9D6EL, 0x136708A0L,
+		0x53E8BE29L, 0x9D422BE7L, 0x29F45F14L, 0xE75ECADAL
+};
+
 guint32
 crc32c_table_lookup (guchar pos)
 {
@@ -289,3 +357,15 @@ crc32_mpeg2_seed(const guint8 *buf, guint len, guint32 seed)
 
 	return ( crc32 );
 }
+
+guint32
+crc32_0x0AA725CF_seed(const guint8 *buf, guint len, guint32 seed)
+{
+	guint crc32;
+
+	crc32 = (guint)seed;
+		while( len-- != 0 )
+			crc32 = crc32_0AA725CF_reverse[(crc32 ^ *buf++) & 0xff] ^ (crc32 >> 8);
+
+	return (guint32)crc32;
+}