fis-gtm/sr_port/jnl_get_checksum.c

/****************************************************************
 *								*
 *	Copyright 2005, 2012 Fidelity Information Services, Inc	*
 *								*
 *	This source code contains the intellectual property	*
 *	of its copyright holder(s), and is made available	*
 *	under a license.  If you do not know the terms of	*
 *	the license, please stop and do not read further.	*
 *								*
 ****************************************************************/

#include "mdef.h"
#include "gdsroot.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "jnl_get_checksum.h"

/* The following four looktable are generated using following paramenters.
 * Generator Polynomial = ................. 0x1EDC6F41
 * Generator Polynomial Length = .......... 32 bits
 * Reflected Bits = ....................... TRUE
 * Number of Slices = ..................... 4 slices
 */
GBLDEF uint4 csum_table[SLICE_BY][TABLE_SIZE] = {
#ifdef	BIGENDIAN
	{
		0x0, 0x3836bf2, 0xf7703be1, 0xf4f35013, 0x1f979ac7, 0x1c14f135, 0xe8e7a126, 0xeb64cad4,
		0xcf58d98a, 0xccdbb278, 0x3828e26b, 0x3bab8999, 0xd0cf434d, 0xd34c28bf, 0x27bf78ac, 0x243c135e,
		0x6fc75e10, 0x6c4435e2, 0x98b765f1, 0x9b340e03, 0x7050c4d7, 0x73d3af25, 0x8720ff36, 0x84a394c4,
		0xa09f879a, 0xa31cec68, 0x57efbc7b, 0x546cd789, 0xbf081d5d, 0xbc8b76af, 0x487826bc, 0x4bfb4d4e,
		0xde8ebd20, 0xdd0dd6d2, 0x29fe86c1, 0x2a7ded33, 0xc11927e7, 0xc29a4c15, 0x36691c06, 0x35ea77f4,
		0x11d664aa, 0x12550f58, 0xe6a65f4b, 0xe52534b9, 0xe41fe6d, 0xdc2959f, 0xf931c58c, 0xfab2ae7e,
		0xb149e330, 0xb2ca88c2, 0x4639d8d1, 0x45bab323, 0xaede79f7, 0xad5d1205, 0x59ae4216, 0x5a2d29e4,
		0x7e113aba, 0x7d925148, 0x8961015b, 0x8ae26aa9, 0x6186a07d, 0x6205cb8f, 0x96f69b9c, 0x9575f06e,
		0xbc1d7b41, 0xbf9e10b3, 0x4b6d40a0, 0x48ee2b52, 0xa38ae186, 0xa0098a74, 0x54fada67, 0x5779b195,
		0x7345a2cb, 0x70c6c939, 0x8435992a, 0x87b6f2d8, 0x6cd2380c, 0x6f5153fe, 0x9ba203ed, 0x9821681f,
		0xd3da2551, 0xd0594ea3, 0x24aa1eb0, 0x27297542, 0xcc4dbf96, 0xcfced464, 0x3b3d8477, 0x38beef85,
		0x1c82fcdb, 0x1f019729, 0xebf2c73a, 0xe871acc8, 0x315661c, 0x960dee, 0xf4655dfd, 0xf7e6360f,
		0x6293c661, 0x6110ad93, 0x95e3fd80, 0x96609672, 0x7d045ca6, 0x7e873754, 0x8a746747, 0x89f70cb5,
		0xadcb1feb, 0xae487419, 0x5abb240a, 0x59384ff8, 0xb25c852c, 0xb1dfeede, 0x452cbecd, 0x46afd53f,
		0xd549871, 0xed7f383, 0xfa24a390, 0xf9a7c862, 0x12c302b6, 0x11406944, 0xe5b33957, 0xe63052a5,
		0xc20c41fb, 0xc18f2a09, 0x357c7a1a, 0x36ff11e8, 0xdd9bdb3c, 0xde18b0ce, 0x2aebe0dd, 0x29688b2f,
		0x783bf682, 0x7bb89d70, 0x8f4bcd63, 0x8cc8a691, 0x67ac6c45, 0x642f07b7, 0x90dc57a4, 0x935f3c56,
		0xb7632f08, 0xb4e044fa, 0x401314e9, 0x43907f1b, 0xa8f4b5cf, 0xab77de3d, 0x5f848e2e, 0x5c07e5dc,
		0x17fca892, 0x147fc360, 0xe08c9373, 0xe30ff881, 0x86b3255, 0xbe859a7, 0xff1b09b4, 0xfc986246,
		0xd8a47118, 0xdb271aea, 0x2fd44af9, 0x2c57210b, 0xc733ebdf, 0xc4b0802d, 0x3043d03e, 0x33c0bbcc,
		0xa6b54ba2, 0xa5362050, 0x51c57043, 0x52461bb1, 0xb922d165, 0xbaa1ba97, 0x4e52ea84, 0x4dd18176,
		0x69ed9228, 0x6a6ef9da, 0x9e9da9c9, 0x9d1ec23b, 0x767a08ef, 0x75f9631d, 0x810a330e, 0x828958fc,
		0xc97215b2, 0xcaf17e40, 0x3e022e53, 0x3d8145a1, 0xd6e58f75, 0xd566e487, 0x2195b494, 0x2216df66,
		0x62acc38, 0x5a9a7ca, 0xf15af7d9, 0xf2d99c2b, 0x19bd56ff, 0x1a3e3d0d, 0xeecd6d1e, 0xed4e06ec,
		0xc4268dc3, 0xc7a5e631, 0x3356b622, 0x30d5ddd0, 0xdbb11704, 0xd8327cf6, 0x2cc12ce5, 0x2f424717,
		0xb7e5449, 0x8fd3fbb, 0xfc0e6fa8, 0xff8d045a, 0x14e9ce8e, 0x176aa57c, 0xe399f56f, 0xe01a9e9d,
		0xabe1d3d3, 0xa862b821, 0x5c91e832, 0x5f1283c0, 0xb4764914, 0xb7f522e6, 0x430672f5, 0x40851907,
		0x64b90a59, 0x673a61ab, 0x93c931b8, 0x904a5a4a, 0x7b2e909e, 0x78adfb6c, 0x8c5eab7f, 0x8fddc08d,
		0x1aa830e3, 0x192b5b11, 0xedd80b02, 0xee5b60f0, 0x53faa24, 0x6bcc1d6, 0xf24f91c5, 0xf1ccfa37,
		0xd5f0e969, 0xd673829b, 0x2280d288, 0x2103b97a, 0xca6773ae, 0xc9e4185c, 0x3d17484f, 0x3e9423bd,
		0x756f6ef3, 0x76ec0501, 0x821f5512, 0x819c3ee0, 0x6af8f434, 0x697b9fc6, 0x9d88cfd5, 0x9e0ba427,
		0xba37b779, 0xb9b4dc8b, 0x4d478c98, 0x4ec4e76a, 0xa5a02dbe, 0xa623464c, 0x52d0165f, 0x51537dad
	},
	{
                0x0, 0x7798a213, 0xee304527, 0x99a8e734, 0xdc618a4e, 0xabf9285d, 0x3251cf69, 0x45c96d7a,
                0xb8c3149d, 0xcf5bb68e, 0x56f351ba, 0x216bf3a9, 0x64a29ed3, 0x133a3cc0, 0x8a92dbf4, 0xfd0a79e7,
                0x81f1c53f, 0xf669672c, 0x6fc18018, 0x1859220b, 0x5d904f71, 0x2a08ed62, 0xb3a00a56, 0xc438a845,
                0x3932d1a2, 0x4eaa73b1, 0xd7029485, 0xa09a3696, 0xe5535bec, 0x92cbf9ff, 0xb631ecb, 0x7cfbbcd8,
                0x2e38b7f, 0x757b296c, 0xecd3ce58, 0x9b4b6c4b, 0xde820131, 0xa91aa322, 0x30b24416, 0x472ae605,
                0xba209fe2, 0xcdb83df1, 0x5410dac5, 0x238878d6, 0x664115ac, 0x11d9b7bf, 0x8871508b, 0xffe9f298,
                0x83124e40, 0xf48aec53, 0x6d220b67, 0x1abaa974, 0x5f73c40e, 0x28eb661d, 0xb1438129, 0xc6db233a,
                0x3bd15add, 0x4c49f8ce, 0xd5e11ffa, 0xa279bde9, 0xe7b0d093, 0x90287280, 0x98095b4, 0x7e1837a7,
                0x4c617ff, 0x735eb5ec, 0xeaf652d8, 0x9d6ef0cb, 0xd8a79db1, 0xaf3f3fa2, 0x3697d896, 0x410f7a85,
                0xbc050362, 0xcb9da171, 0x52354645, 0x25ade456, 0x6064892c, 0x17fc2b3f, 0x8e54cc0b, 0xf9cc6e18,
                0x8537d2c0, 0xf2af70d3, 0x6b0797e7, 0x1c9f35f4, 0x5956588e, 0x2ecefa9d, 0xb7661da9, 0xc0febfba,
                0x3df4c65d, 0x4a6c644e, 0xd3c4837a, 0xa45c2169, 0xe1954c13, 0x960dee00, 0xfa50934, 0x783dab27,
                0x6259c80, 0x71bd3e93, 0xe815d9a7, 0x9f8d7bb4, 0xda4416ce, 0xaddcb4dd, 0x347453e9, 0x43ecf1fa,
                0xbee6881d, 0xc97e2a0e, 0x50d6cd3a, 0x274e6f29, 0x62870253, 0x151fa040, 0x8cb74774, 0xfb2fe567,
                0x87d459bf, 0xf04cfbac, 0x69e41c98, 0x1e7cbe8b, 0x5bb5d3f1, 0x2c2d71e2, 0xb58596d6, 0xc21d34c5,
                0x3f174d22, 0x488fef31, 0xd1270805, 0xa6bfaa16, 0xe376c76c, 0x94ee657f, 0xd46824b, 0x7ade2058,
                0xf9fac3fb, 0x8e6261e8, 0x17ca86dc, 0x605224cf, 0x259b49b5, 0x5203eba6, 0xcbab0c92, 0xbc33ae81,
                0x4139d766, 0x36a17575, 0xaf099241, 0xd8913052, 0x9d585d28, 0xeac0ff3b, 0x7368180f, 0x4f0ba1c,
                0x780b06c4, 0xf93a4d7, 0x963b43e3, 0xe1a3e1f0, 0xa46a8c8a, 0xd3f22e99, 0x4a5ac9ad, 0x3dc26bbe,
                0xc0c81259, 0xb750b04a, 0x2ef8577e, 0x5960f56d, 0x1ca99817, 0x6b313a04, 0xf299dd30, 0x85017f23,
                0xfb194884, 0x8c81ea97, 0x15290da3, 0x62b1afb0, 0x2778c2ca, 0x50e060d9, 0xc94887ed, 0xbed025fe,
                0x43da5c19, 0x3442fe0a, 0xadea193e, 0xda72bb2d, 0x9fbbd657, 0xe8237444, 0x718b9370, 0x6133163,
                0x7ae88dbb, 0xd702fa8, 0x94d8c89c, 0xe3406a8f, 0xa68907f5, 0xd111a5e6, 0x48b942d2, 0x3f21e0c1,
                0xc22b9926, 0xb5b33b35, 0x2c1bdc01, 0x5b837e12, 0x1e4a1368, 0x69d2b17b, 0xf07a564f, 0x87e2f45c,
                0xfd3cd404, 0x8aa47617, 0x130c9123, 0x64943330, 0x215d5e4a, 0x56c5fc59, 0xcf6d1b6d, 0xb8f5b97e,
                0x45ffc099, 0x3267628a, 0xabcf85be, 0xdc5727ad, 0x999e4ad7, 0xee06e8c4, 0x77ae0ff0, 0x36ade3,
                0x7ccd113b, 0xb55b328, 0x92fd541c, 0xe565f60f, 0xa0ac9b75, 0xd7343966, 0x4e9cde52, 0x39047c41,
                0xc40e05a6, 0xb396a7b5, 0x2a3e4081, 0x5da6e292, 0x186f8fe8, 0x6ff72dfb, 0xf65fcacf, 0x81c768dc,
                0xffdf5f7b, 0x8847fd68, 0x11ef1a5c, 0x6677b84f, 0x23bed535, 0x54267726, 0xcd8e9012, 0xba163201,
                0x471c4be6, 0x3084e9f5, 0xa92c0ec1, 0xdeb4acd2, 0x9b7dc1a8, 0xece563bb, 0x754d848f, 0x2d5269c,
                0x7e2e9a44, 0x9b63857, 0x901edf63, 0xe7867d70, 0xa24f100a, 0xd5d7b219, 0x4c7f552d, 0x3be7f73e,
                0xc6ed8ed9, 0xb1752cca, 0x28ddcbfe, 0x5f4569ed, 0x1a8c0497, 0x6d14a684, 0xf4bc41b0, 0x8324e3a3
	},
	{
                0x0, 0x7e9241a5, 0xd526f4f, 0x73c02eea, 0x1aa4de9e, 0x64369f3b, 0x17f6b1d1, 0x6964f074,
                0xc53e5138, 0xbbac109d, 0xc86c3e77, 0xb6fe7fd2, 0xdf9a8fa6, 0xa108ce03, 0xd2c8e0e9, 0xac5aa14c,
                0x8a7da270, 0xf4efe3d5, 0x872fcd3f, 0xf9bd8c9a, 0x90d97cee, 0xee4b3d4b, 0x9d8b13a1, 0xe3195204,
                0x4f43f348, 0x31d1b2ed, 0x42119c07, 0x3c83dda2, 0x55e72dd6, 0x2b756c73, 0x58b54299, 0x2627033c,
                0x14fb44e1, 0x6a690544, 0x19a92bae, 0x673b6a0b, 0xe5f9a7f, 0x70cddbda, 0x30df530, 0x7d9fb495,
                0xd1c515d9, 0xaf57547c, 0xdc977a96, 0xa2053b33, 0xcb61cb47, 0xb5f38ae2, 0xc633a408, 0xb8a1e5ad,
                0x9e86e691, 0xe014a734, 0x93d489de, 0xed46c87b, 0x8422380f, 0xfab079aa, 0x89705740, 0xf7e216e5,
                0x5bb8b7a9, 0x252af60c, 0x56ead8e6, 0x28789943, 0x411c6937, 0x3f8e2892, 0x4c4e0678, 0x32dc47dd,
                0xd98065c7, 0xa7122462, 0xd4d20a88, 0xaa404b2d, 0xc324bb59, 0xbdb6fafc, 0xce76d416, 0xb0e495b3,
                0x1cbe34ff, 0x622c755a, 0x11ec5bb0, 0x6f7e1a15, 0x61aea61, 0x7888abc4, 0xb48852e, 0x75dac48b,
                0x53fdc7b7, 0x2d6f8612, 0x5eafa8f8, 0x203de95d, 0x49591929, 0x37cb588c, 0x440b7666, 0x3a9937c3,
                0x96c3968f, 0xe851d72a, 0x9b91f9c0, 0xe503b865, 0x8c674811, 0xf2f509b4, 0x8135275e, 0xffa766fb,
                0xcd7b2126, 0xb3e96083, 0xc0294e69, 0xbebb0fcc, 0xd7dfffb8, 0xa94dbe1d, 0xda8d90f7, 0xa41fd152,
                0x845701e, 0x76d731bb, 0x5171f51, 0x7b855ef4, 0x12e1ae80, 0x6c73ef25, 0x1fb3c1cf, 0x6121806a,
                0x47068356, 0x3994c2f3, 0x4a54ec19, 0x34c6adbc, 0x5da25dc8, 0x23301c6d, 0x50f03287, 0x2e627322,
                0x8238d26e, 0xfcaa93cb, 0x8f6abd21, 0xf1f8fc84, 0x989c0cf0, 0xe60e4d55, 0x95ce63bf, 0xeb5c221a,
                0x4377278b, 0x3de5662e, 0x4e2548c4, 0x30b70961, 0x59d3f915, 0x2741b8b0, 0x5481965a, 0x2a13d7ff,
                0x864976b3, 0xf8db3716, 0x8b1b19fc, 0xf5895859, 0x9ceda82d, 0xe27fe988, 0x91bfc762, 0xef2d86c7,
                0xc90a85fb, 0xb798c45e, 0xc458eab4, 0xbacaab11, 0xd3ae5b65, 0xad3c1ac0, 0xdefc342a, 0xa06e758f,
                0xc34d4c3, 0x72a69566, 0x166bb8c, 0x7ff4fa29, 0x16900a5d, 0x68024bf8, 0x1bc26512, 0x655024b7,
                0x578c636a, 0x291e22cf, 0x5ade0c25, 0x244c4d80, 0x4d28bdf4, 0x33bafc51, 0x407ad2bb, 0x3ee8931e,
                0x92b23252, 0xec2073f7, 0x9fe05d1d, 0xe1721cb8, 0x8816eccc, 0xf684ad69, 0x85448383, 0xfbd6c226,
                0xddf1c11a, 0xa36380bf, 0xd0a3ae55, 0xae31eff0, 0xc7551f84, 0xb9c75e21, 0xca0770cb, 0xb495316e,
                0x18cf9022, 0x665dd187, 0x159dff6d, 0x6b0fbec8, 0x26b4ebc, 0x7cf90f19, 0xf3921f3, 0x71ab6056,
                0x9af7424c, 0xe46503e9, 0x97a52d03, 0xe9376ca6, 0x80539cd2, 0xfec1dd77, 0x8d01f39d, 0xf393b238,
                0x5fc91374, 0x215b52d1, 0x529b7c3b, 0x2c093d9e, 0x456dcdea, 0x3bff8c4f, 0x483fa2a5, 0x36ade300,
                0x108ae03c, 0x6e18a199, 0x1dd88f73, 0x634aced6, 0xa2e3ea2, 0x74bc7f07, 0x77c51ed, 0x79ee1048,
                0xd5b4b104, 0xab26f0a1, 0xd8e6de4b, 0xa6749fee, 0xcf106f9a, 0xb1822e3f, 0xc24200d5, 0xbcd04170,
                0x8e0c06ad, 0xf09e4708, 0x835e69e2, 0xfdcc2847, 0x94a8d833, 0xea3a9996, 0x99fab77c, 0xe768f6d9,
                0x4b325795, 0x35a01630, 0x466038da, 0x38f2797f, 0x5196890b, 0x2f04c8ae, 0x5cc4e644, 0x2256a7e1,
                0x471a4dd, 0x7ae3e578, 0x923cb92, 0x77b18a37, 0x1ed57a43, 0x60473be6, 0x1387150c, 0x6d1554a9,
                0xc14ff5e5, 0xbfddb440, 0xcc1d9aaa, 0xb28fdb0f, 0xdbeb2b7b, 0xa5796ade, 0xd6b94434, 0xa82b0591
	},
	{
                0x0, 0xb8aa45dd, 0x812367bf, 0x39892262, 0xf331227b, 0x4b9b67a6, 0x721245c4, 0xcab80019,
                0xe66344f6, 0x5ec9012b, 0x67402349, 0xdfea6694, 0x1552668d, 0xadf82350, 0x94710132, 0x2cdb44ef,
                0x3db164e9, 0x851b2134, 0xbc920356, 0x438468b, 0xce804692, 0x762a034f, 0x4fa3212d, 0xf70964f0,
                0xdbd2201f, 0x637865c2, 0x5af147a0, 0xe25b027d, 0x28e30264, 0x904947b9, 0xa9c065db, 0x116a2006,
                0x8b1425d7, 0x33be600a, 0xa374268, 0xb29d07b5, 0x782507ac, 0xc08f4271, 0xf9066013, 0x41ac25ce,
                0x6d776121, 0xd5dd24fc, 0xec54069e, 0x54fe4343, 0x9e46435a, 0x26ec0687, 0x1f6524e5, 0xa7cf6138,
                0xb6a5413e, 0xe0f04e3, 0x37862681, 0x8f2c635c, 0x45946345, 0xfd3e2698, 0xc4b704fa, 0x7c1d4127,
                0x50c605c8, 0xe86c4015, 0xd1e56277, 0x694f27aa, 0xa3f727b3, 0x1b5d626e, 0x22d4400c, 0x9a7e05d1,
                0xe75fa6ab, 0x5ff5e376, 0x667cc114, 0xded684c9, 0x146e84d0, 0xacc4c10d, 0x954de36f, 0x2de7a6b2,
                0x13ce25d, 0xb996a780, 0x801f85e2, 0x38b5c03f, 0xf20dc026, 0x4aa785fb, 0x732ea799, 0xcb84e244,
                0xdaeec242, 0x6244879f, 0x5bcda5fd, 0xe367e020, 0x29dfe039, 0x9175a5e4, 0xa8fc8786, 0x1056c25b,
                0x3c8d86b4, 0x8427c369, 0xbdaee10b, 0x504a4d6, 0xcfbca4cf, 0x7716e112, 0x4e9fc370, 0xf63586ad,
                0x6c4b837c, 0xd4e1c6a1, 0xed68e4c3, 0x55c2a11e, 0x9f7aa107, 0x27d0e4da, 0x1e59c6b8, 0xa6f38365,
                0x8a28c78a, 0x32828257, 0xb0ba035, 0xb3a1e5e8, 0x7919e5f1, 0xc1b3a02c, 0xf83a824e, 0x4090c793,
                0x51fae795, 0xe950a248, 0xd0d9802a, 0x6873c5f7, 0xa2cbc5ee, 0x1a618033, 0x23e8a251, 0x9b42e78c,
                0xb799a363, 0xf33e6be, 0x36bac4dc, 0x8e108101, 0x44a88118, 0xfc02c4c5, 0xc58be6a7, 0x7d21a37a,
                0x3fc9a052, 0x8763e58f, 0xbeeac7ed, 0x6408230, 0xccf88229, 0x7452c7f4, 0x4ddbe596, 0xf571a04b,
                0xd9aae4a4, 0x6100a179, 0x5889831b, 0xe023c6c6, 0x2a9bc6df, 0x92318302, 0xabb8a160, 0x1312e4bd,
                0x278c4bb, 0xbad28166, 0x835ba304, 0x3bf1e6d9, 0xf149e6c0, 0x49e3a31d, 0x706a817f, 0xc8c0c4a2,
                0xe41b804d, 0x5cb1c590, 0x6538e7f2, 0xdd92a22f, 0x172aa236, 0xaf80e7eb, 0x9609c589, 0x2ea38054,
                0xb4dd8585, 0xc77c058, 0x35fee23a, 0x8d54a7e7, 0x47eca7fe, 0xff46e223, 0xc6cfc041, 0x7e65859c,
                0x52bec173, 0xea1484ae, 0xd39da6cc, 0x6b37e311, 0xa18fe308, 0x1925a6d5, 0x20ac84b7, 0x9806c16a,
                0x896ce16c, 0x31c6a4b1, 0x84f86d3, 0xb0e5c30e, 0x7a5dc317, 0xc2f786ca, 0xfb7ea4a8, 0x43d4e175,
                0x6f0fa59a, 0xd7a5e047, 0xee2cc225, 0x568687f8, 0x9c3e87e1, 0x2494c23c, 0x1d1de05e, 0xa5b7a583,
                0xd89606f9, 0x603c4324, 0x59b56146, 0xe11f249b, 0x2ba72482, 0x930d615f, 0xaa84433d, 0x122e06e0,
                0x3ef5420f, 0x865f07d2, 0xbfd625b0, 0x77c606d, 0xcdc46074, 0x756e25a9, 0x4ce707cb, 0xf44d4216,
                0xe5276210, 0x5d8d27cd, 0x640405af, 0xdcae4072, 0x1616406b, 0xaebc05b6, 0x973527d4, 0x2f9f6209,
                0x34426e6, 0xbbee633b, 0x82674159, 0x3acd0484, 0xf075049d, 0x48df4140, 0x71566322, 0xc9fc26ff,
                0x5382232e, 0xeb2866f3, 0xd2a14491, 0x6a0b014c, 0xa0b30155, 0x18194488, 0x219066ea, 0x993a2337,
                0xb5e167d8, 0xd4b2205, 0x34c20067, 0x8c6845ba, 0x46d045a3, 0xfe7a007e, 0xc7f3221c, 0x7f5967c1,
                0x6e3347c7, 0xd699021a, 0xef102078, 0x57ba65a5, 0x9d0265bc, 0x25a82061, 0x1c210203, 0xa48b47de,
                0x88500331, 0x30fa46ec, 0x973648e, 0xb1d92153, 0x7b61214a, 0xc3cb6497, 0xfa4246f5, 0x42e80328
	}
#else
	{
		0x0, 0xf26b8303, 0xe13b70f7, 0x1350f3f4, 0xc79a971f, 0x35f1141c, 0x26a1e7e8, 0xd4ca64eb,
		0x8ad958cf, 0x78b2dbcc, 0x6be22838, 0x9989ab3b, 0x4d43cfd0, 0xbf284cd3, 0xac78bf27, 0x5e133c24,
		0x105ec76f, 0xe235446c, 0xf165b798, 0x30e349b,  0xd7c45070, 0x25afd373, 0x36ff2087, 0xc494a384,
		0x9a879fa0, 0x68ec1ca3, 0x7bbcef57, 0x89d76c54, 0x5d1d08bf, 0xaf768bbc, 0xbc267848, 0x4e4dfb4b,
		0x20bd8ede, 0xd2d60ddd, 0xc186fe29, 0x33ed7d2a, 0xe72719c1, 0x154c9ac2, 0x61c6936,  0xf477ea35,
		0xaa64d611, 0x580f5512, 0x4b5fa6e6, 0xb93425e5, 0x6dfe410e, 0x9f95c20d, 0x8cc531f9, 0x7eaeb2fa,
		0x30e349b1, 0xc288cab2, 0xd1d83946, 0x23b3ba45, 0xf779deae, 0x5125dad,  0x1642ae59, 0xe4292d5a,
		0xba3a117e, 0x4851927d, 0x5b016189, 0xa96ae28a, 0x7da08661, 0x8fcb0562, 0x9c9bf696, 0x6ef07595,
		0x417b1dbc, 0xb3109ebf, 0xa0406d4b, 0x522bee48, 0x86e18aa3, 0x748a09a0, 0x67dafa54, 0x95b17957,
		0xcba24573, 0x39c9c670, 0x2a993584, 0xd8f2b687, 0xc38d26c,  0xfe53516f, 0xed03a29b, 0x1f682198,
		0x5125dad3, 0xa34e59d0, 0xb01eaa24, 0x42752927, 0x96bf4dcc, 0x64d4cecf, 0x77843d3b, 0x85efbe38,
		0xdbfc821c, 0x2997011f, 0x3ac7f2eb, 0xc8ac71e8, 0x1c661503, 0xee0d9600, 0xfd5d65f4, 0xf36e6f7,
		0x61c69362, 0x93ad1061, 0x80fde395, 0x72966096, 0xa65c047d, 0x5437877e, 0x4767748a, 0xb50cf789,
		0xeb1fcbad, 0x197448ae, 0xa24bb5a,  0xf84f3859, 0x2c855cb2, 0xdeeedfb1, 0xcdbe2c45, 0x3fd5af46,
		0x7198540d, 0x83f3d70e, 0x90a324fa, 0x62c8a7f9, 0xb602c312, 0x44694011, 0x5739b3e5, 0xa55230e6,
		0xfb410cc2, 0x92a8fc1,  0x1a7a7c35, 0xe811ff36, 0x3cdb9bdd, 0xceb018de, 0xdde0eb2a, 0x2f8b6829,
		0x82f63b78, 0x709db87b, 0x63cd4b8f, 0x91a6c88c, 0x456cac67, 0xb7072f64, 0xa457dc90, 0x563c5f93,
		0x82f63b7,  0xfa44e0b4, 0xe9141340, 0x1b7f9043, 0xcfb5f4a8, 0x3dde77ab, 0x2e8e845f, 0xdce5075c,
		0x92a8fc17, 0x60c37f14, 0x73938ce0, 0x81f80fe3, 0x55326b08, 0xa759e80b, 0xb4091bff, 0x466298fc,
		0x1871a4d8, 0xea1a27db, 0xf94ad42f, 0xb21572c,  0xdfeb33c7, 0x2d80b0c4, 0x3ed04330, 0xccbbc033,
		0xa24bb5a6, 0x502036a5, 0x4370c551, 0xb11b4652, 0x65d122b9, 0x97baa1ba, 0x84ea524e, 0x7681d14d,
		0x2892ed69, 0xdaf96e6a, 0xc9a99d9e, 0x3bc21e9d, 0xef087a76, 0x1d63f975, 0xe330a81,  0xfc588982,
		0xb21572c9, 0x407ef1ca, 0x532e023e, 0xa145813d, 0x758fe5d6, 0x87e466d5, 0x94b49521, 0x66df1622,
		0x38cc2a06, 0xcaa7a905, 0xd9f75af1, 0x2b9cd9f2, 0xff56bd19, 0xd3d3e1a,  0x1e6dcdee, 0xec064eed,
		0xc38d26c4, 0x31e6a5c7, 0x22b65633, 0xd0ddd530, 0x417b1db,  0xf67c32d8, 0xe52cc12c, 0x1747422f,
		0x49547e0b, 0xbb3ffd08, 0xa86f0efc, 0x5a048dff, 0x8ecee914, 0x7ca56a17, 0x6ff599e3, 0x9d9e1ae0,
		0xd3d3e1ab, 0x21b862a8, 0x32e8915c, 0xc083125f, 0x144976b4, 0xe622f5b7, 0xf5720643, 0x7198540,
		0x590ab964, 0xab613a67, 0xb831c993, 0x4a5a4a90, 0x9e902e7b, 0x6cfbad78, 0x7fab5e8c, 0x8dc0dd8f,
		0xe330a81a, 0x115b2b19, 0x20bd8ed,  0xf0605bee, 0x24aa3f05, 0xd6c1bc06, 0xc5914ff2, 0x37faccf1,
		0x69e9f0d5, 0x9b8273d6, 0x88d28022, 0x7ab90321, 0xae7367ca, 0x5c18e4c9, 0x4f48173d, 0xbd23943e,
		0xf36e6f75, 0x105ec76,  0x12551f82, 0xe03e9c81, 0x34f4f86a, 0xc69f7b69, 0xd5cf889d, 0x27a40b9e,
		0x79b737ba, 0x8bdcb4b9, 0x988c474d, 0x6ae7c44e, 0xbe2da0a5, 0x4c4623a6, 0x5f16d052, 0xad7d5351
	},
	{
		0x0, 0x13a29877, 0x274530ee, 0x34e7a899, 0x4e8a61dc, 0x5d28f9ab, 0x69cf5132, 0x7a6dc945,
		0x9d14c3b8, 0x8eb65bcf, 0xba51f356, 0xa9f36b21, 0xd39ea264, 0xc03c3a13, 0xf4db928a, 0xe7790afd,
		0x3fc5f181, 0x2c6769f6, 0x1880c16f, 0xb225918, 0x714f905d, 0x62ed082a, 0x560aa0b3, 0x45a838c4,
		0xa2d13239, 0xb173aa4e, 0x859402d7, 0x96369aa0, 0xec5b53e5, 0xfff9cb92, 0xcb1e630b, 0xd8bcfb7c,
		0x7f8be302, 0x6c297b75, 0x58ced3ec, 0x4b6c4b9b, 0x310182de, 0x22a31aa9, 0x1644b230, 0x5e62a47,
		0xe29f20ba, 0xf13db8cd, 0xc5da1054, 0xd6788823, 0xac154166, 0xbfb7d911, 0x8b507188, 0x98f2e9ff,
		0x404e1283, 0x53ec8af4, 0x670b226d, 0x74a9ba1a, 0xec4735f, 0x1d66eb28, 0x298143b1, 0x3a23dbc6,
		0xdd5ad13b, 0xcef8494c, 0xfa1fe1d5, 0xe9bd79a2, 0x93d0b0e7, 0x80722890, 0xb4958009, 0xa737187e,
		0xff17c604, 0xecb55e73, 0xd852f6ea, 0xcbf06e9d, 0xb19da7d8, 0xa23f3faf, 0x96d89736, 0x857a0f41,
		0x620305bc, 0x71a19dcb, 0x45463552, 0x56e4ad25, 0x2c896460, 0x3f2bfc17, 0xbcc548e, 0x186eccf9,
		0xc0d23785, 0xd370aff2, 0xe797076b, 0xf4359f1c, 0x8e585659, 0x9dface2e, 0xa91d66b7, 0xbabffec0,
		0x5dc6f43d, 0x4e646c4a, 0x7a83c4d3, 0x69215ca4, 0x134c95e1, 0xee0d96, 0x3409a50f, 0x27ab3d78,
		0x809c2506, 0x933ebd71, 0xa7d915e8, 0xb47b8d9f, 0xce1644da, 0xddb4dcad, 0xe9537434, 0xfaf1ec43,
		0x1d88e6be, 0xe2a7ec9, 0x3acdd650, 0x296f4e27, 0x53028762, 0x40a01f15, 0x7447b78c, 0x67e52ffb,
		0xbf59d487, 0xacfb4cf0, 0x981ce469, 0x8bbe7c1e, 0xf1d3b55b, 0xe2712d2c, 0xd69685b5, 0xc5341dc2,
		0x224d173f, 0x31ef8f48, 0x50827d1, 0x16aabfa6, 0x6cc776e3, 0x7f65ee94, 0x4b82460d, 0x5820de7a,
		0xfbc3faf9, 0xe861628e, 0xdc86ca17, 0xcf245260, 0xb5499b25, 0xa6eb0352, 0x920cabcb, 0x81ae33bc,
		0x66d73941, 0x7575a136, 0x419209af, 0x523091d8, 0x285d589d, 0x3bffc0ea, 0xf186873, 0x1cbaf004,
		0xc4060b78, 0xd7a4930f, 0xe3433b96, 0xf0e1a3e1, 0x8a8c6aa4, 0x992ef2d3, 0xadc95a4a, 0xbe6bc23d,
		0x5912c8c0, 0x4ab050b7, 0x7e57f82e, 0x6df56059, 0x1798a91c, 0x43a316b, 0x30dd99f2, 0x237f0185,
		0x844819fb, 0x97ea818c, 0xa30d2915, 0xb0afb162, 0xcac27827, 0xd960e050, 0xed8748c9, 0xfe25d0be,
		0x195cda43, 0xafe4234, 0x3e19eaad, 0x2dbb72da, 0x57d6bb9f, 0x447423e8, 0x70938b71, 0x63311306,
		0xbb8de87a, 0xa82f700d, 0x9cc8d894, 0x8f6a40e3, 0xf50789a6, 0xe6a511d1, 0xd242b948, 0xc1e0213f,
		0x26992bc2, 0x353bb3b5, 0x1dc1b2c, 0x127e835b, 0x68134a1e, 0x7bb1d269, 0x4f567af0, 0x5cf4e287,
		0x4d43cfd, 0x1776a48a, 0x23910c13, 0x30339464, 0x4a5e5d21, 0x59fcc556, 0x6d1b6dcf, 0x7eb9f5b8,
		0x99c0ff45, 0x8a626732, 0xbe85cfab, 0xad2757dc, 0xd74a9e99, 0xc4e806ee, 0xf00fae77, 0xe3ad3600,
		0x3b11cd7c, 0x28b3550b, 0x1c54fd92, 0xff665e5, 0x759baca0, 0x663934d7, 0x52de9c4e, 0x417c0439,
		0xa6050ec4, 0xb5a796b3, 0x81403e2a, 0x92e2a65d, 0xe88f6f18, 0xfb2df76f, 0xcfca5ff6, 0xdc68c781,
		0x7b5fdfff, 0x68fd4788, 0x5c1aef11, 0x4fb87766, 0x35d5be23, 0x26772654, 0x12908ecd, 0x13216ba,
		0xe64b1c47, 0xf5e98430, 0xc10e2ca9, 0xd2acb4de, 0xa8c17d9b, 0xbb63e5ec, 0x8f844d75, 0x9c26d502,
		0x449a2e7e, 0x5738b609, 0x63df1e90, 0x707d86e7, 0xa104fa2, 0x19b2d7d5, 0x2d557f4c, 0x3ef7e73b,
		0xd98eedc6, 0xca2c75b1, 0xfecbdd28, 0xed69455f, 0x97048c1a, 0x84a6146d, 0xb041bcf4, 0xa3e32483
	},
	{
		0x0, 0xa541927e, 0x4f6f520d, 0xea2ec073, 0x9edea41a, 0x3b9f3664, 0xd1b1f617, 0x74f06469,
		0x38513ec5, 0x9d10acbb, 0x773e6cc8, 0xd27ffeb6, 0xa68f9adf, 0x3ce08a1, 0xe9e0c8d2, 0x4ca15aac,
		0x70a27d8a, 0xd5e3eff4, 0x3fcd2f87, 0x9a8cbdf9, 0xee7cd990, 0x4b3d4bee, 0xa1138b9d, 0x45219e3,
		0x48f3434f, 0xedb2d131, 0x79c1142, 0xa2dd833c, 0xd62de755, 0x736c752b, 0x9942b558, 0x3c032726,
		0xe144fb14, 0x4405696a, 0xae2ba919, 0xb6a3b67, 0x7f9a5f0e, 0xdadbcd70, 0x30f50d03, 0x95b49f7d,
		0xd915c5d1, 0x7c5457af, 0x967a97dc, 0x333b05a2, 0x47cb61cb, 0xe28af3b5, 0x8a433c6, 0xade5a1b8,
		0x91e6869e, 0x34a714e0, 0xde89d493, 0x7bc846ed, 0xf382284, 0xaa79b0fa, 0x40577089, 0xe516e2f7,
		0xa9b7b85b, 0xcf62a25, 0xe6d8ea56, 0x43997828, 0x37691c41, 0x92288e3f, 0x78064e4c, 0xdd47dc32,
		0xc76580d9, 0x622412a7, 0x880ad2d4, 0x2d4b40aa, 0x59bb24c3, 0xfcfab6bd, 0x16d476ce, 0xb395e4b0,
		0xff34be1c, 0x5a752c62, 0xb05bec11, 0x151a7e6f, 0x61ea1a06, 0xc4ab8878, 0x2e85480b, 0x8bc4da75,
		0xb7c7fd53, 0x12866f2d, 0xf8a8af5e, 0x5de93d20, 0x29195949, 0x8c58cb37, 0x66760b44, 0xc337993a,
		0x8f96c396, 0x2ad751e8, 0xc0f9919b, 0x65b803e5, 0x1148678c, 0xb409f5f2, 0x5e273581, 0xfb66a7ff,
		0x26217bcd, 0x8360e9b3, 0x694e29c0, 0xcc0fbbbe, 0xb8ffdfd7, 0x1dbe4da9, 0xf7908dda, 0x52d11fa4,
		0x1e704508, 0xbb31d776, 0x511f1705, 0xf45e857b, 0x80aee112, 0x25ef736c, 0xcfc1b31f, 0x6a802161,
		0x56830647, 0xf3c29439, 0x19ec544a, 0xbcadc634, 0xc85da25d, 0x6d1c3023, 0x8732f050, 0x2273622e,
		0x6ed23882, 0xcb93aafc, 0x21bd6a8f, 0x84fcf8f1, 0xf00c9c98, 0x554d0ee6, 0xbf63ce95, 0x1a225ceb,
		0x8b277743, 0x2e66e53d, 0xc448254e, 0x6109b730, 0x15f9d359, 0xb0b84127, 0x5a968154, 0xffd7132a,
		0xb3764986, 0x1637dbf8, 0xfc191b8b, 0x595889f5, 0x2da8ed9c, 0x88e97fe2, 0x62c7bf91, 0xc7862def,
		0xfb850ac9, 0x5ec498b7, 0xb4ea58c4, 0x11abcaba, 0x655baed3, 0xc01a3cad, 0x2a34fcde, 0x8f756ea0,
		0xc3d4340c, 0x6695a672, 0x8cbb6601, 0x29faf47f, 0x5d0a9016, 0xf84b0268, 0x1265c21b, 0xb7245065,
		0x6a638c57, 0xcf221e29, 0x250cde5a, 0x804d4c24, 0xf4bd284d, 0x51fcba33, 0xbbd27a40, 0x1e93e83e,
		0x5232b292, 0xf77320ec, 0x1d5de09f, 0xb81c72e1, 0xccec1688, 0x69ad84f6, 0x83834485, 0x26c2d6fb,
		0x1ac1f1dd, 0xbf8063a3, 0x55aea3d0, 0xf0ef31ae, 0x841f55c7, 0x215ec7b9, 0xcb7007ca, 0x6e3195b4,
		0x2290cf18, 0x87d15d66, 0x6dff9d15, 0xc8be0f6b, 0xbc4e6b02, 0x190ff97c, 0xf321390f, 0x5660ab71,
		0x4c42f79a, 0xe90365e4, 0x32da597, 0xa66c37e9, 0xd29c5380, 0x77ddc1fe, 0x9df3018d, 0x38b293f3,
		0x7413c95f, 0xd1525b21, 0x3b7c9b52, 0x9e3d092c, 0xeacd6d45, 0x4f8cff3b, 0xa5a23f48, 0xe3ad36,
		0x3ce08a10, 0x99a1186e, 0x738fd81d, 0xd6ce4a63, 0xa23e2e0a, 0x77fbc74, 0xed517c07, 0x4810ee79,
		0x4b1b4d5, 0xa1f026ab, 0x4bdee6d8, 0xee9f74a6, 0x9a6f10cf, 0x3f2e82b1, 0xd50042c2, 0x7041d0bc,
		0xad060c8e, 0x8479ef0, 0xe2695e83, 0x4728ccfd, 0x33d8a894, 0x96993aea, 0x7cb7fa99, 0xd9f668e7,
		0x9557324b, 0x3016a035, 0xda386046, 0x7f79f238, 0xb899651, 0xaec8042f, 0x44e6c45c, 0xe1a75622,
		0xdda47104, 0x78e5e37a, 0x92cb2309, 0x378ab177, 0x437ad51e, 0xe63b4760, 0xc158713, 0xa954156d,
		0xe5f54fc1, 0x40b4ddbf, 0xaa9a1dcc, 0xfdb8fb2, 0x7b2bebdb, 0xde6a79a5, 0x3444b9d6, 0x91052ba8
	},
	{
		0x0, 0xdd45aab8, 0xbf672381, 0x62228939, 0x7b2231f3, 0xa6679b4b, 0xc4451272, 0x1900b8ca,
		0xf64463e6, 0x2b01c95e, 0x49234067, 0x9466eadf, 0x8d665215, 0x5023f8ad, 0x32017194, 0xef44db2c,
		0xe964b13d, 0x34211b85, 0x560392bc, 0x8b463804, 0x924680ce, 0x4f032a76, 0x2d21a34f, 0xf06409f7,
		0x1f20d2db, 0xc2657863, 0xa047f15a, 0x7d025be2, 0x6402e328, 0xb9474990, 0xdb65c0a9, 0x6206a11,
		0xd725148b, 0xa60be33, 0x6842370a, 0xb5079db2, 0xac072578, 0x71428fc0, 0x136006f9, 0xce25ac41,
		0x2161776d, 0xfc24ddd5, 0x9e0654ec, 0x4343fe54, 0x5a43469e, 0x8706ec26, 0xe524651f, 0x3861cfa7,
		0x3e41a5b6, 0xe3040f0e, 0x81268637, 0x5c632c8f, 0x45639445, 0x98263efd, 0xfa04b7c4, 0x27411d7c,
		0xc805c650, 0x15406ce8, 0x7762e5d1, 0xaa274f69, 0xb327f7a3, 0x6e625d1b, 0xc40d422, 0xd1057e9a,
		0xaba65fe7, 0x76e3f55f, 0x14c17c66, 0xc984d6de, 0xd0846e14, 0xdc1c4ac, 0x6fe34d95, 0xb2a6e72d,
		0x5de23c01, 0x80a796b9, 0xe2851f80, 0x3fc0b538, 0x26c00df2, 0xfb85a74a, 0x99a72e73, 0x44e284cb,
		0x42c2eeda, 0x9f874462, 0xfda5cd5b, 0x20e067e3, 0x39e0df29, 0xe4a57591, 0x8687fca8, 0x5bc25610,
		0xb4868d3c, 0x69c32784, 0xbe1aebd, 0xd6a40405, 0xcfa4bccf, 0x12e11677, 0x70c39f4e, 0xad8635f6,
		0x7c834b6c, 0xa1c6e1d4, 0xc3e468ed, 0x1ea1c255, 0x7a17a9f, 0xdae4d027, 0xb8c6591e, 0x6583f3a6,
		0x8ac7288a, 0x57828232, 0x35a00b0b, 0xe8e5a1b3, 0xf1e51979, 0x2ca0b3c1, 0x4e823af8, 0x93c79040,
		0x95e7fa51, 0x48a250e9, 0x2a80d9d0, 0xf7c57368, 0xeec5cba2, 0x3380611a, 0x51a2e823, 0x8ce7429b,
		0x63a399b7, 0xbee6330f, 0xdcc4ba36, 0x181108e, 0x1881a844, 0xc5c402fc, 0xa7e68bc5, 0x7aa3217d,
		0x52a0c93f, 0x8fe56387, 0xedc7eabe, 0x30824006, 0x2982f8cc, 0xf4c75274, 0x96e5db4d, 0x4ba071f5,
		0xa4e4aad9, 0x79a10061, 0x1b838958, 0xc6c623e0, 0xdfc69b2a, 0x2833192, 0x60a1b8ab, 0xbde41213,
		0xbbc47802, 0x6681d2ba, 0x4a35b83, 0xd9e6f13b, 0xc0e649f1, 0x1da3e349, 0x7f816a70, 0xa2c4c0c8,
		0x4d801be4, 0x90c5b15c, 0xf2e73865, 0x2fa292dd, 0x36a22a17, 0xebe780af, 0x89c50996, 0x5480a32e,
		0x8585ddb4, 0x58c0770c, 0x3ae2fe35, 0xe7a7548d, 0xfea7ec47, 0x23e246ff, 0x41c0cfc6, 0x9c85657e,
		0x73c1be52, 0xae8414ea, 0xcca69dd3, 0x11e3376b, 0x8e38fa1, 0xd5a62519, 0xb784ac20, 0x6ac10698,
		0x6ce16c89, 0xb1a4c631, 0xd3864f08, 0xec3e5b0, 0x17c35d7a, 0xca86f7c2, 0xa8a47efb, 0x75e1d443,
		0x9aa50f6f, 0x47e0a5d7, 0x25c22cee, 0xf8878656, 0xe1873e9c, 0x3cc29424, 0x5ee01d1d, 0x83a5b7a5,
		0xf90696d8, 0x24433c60, 0x4661b559, 0x9b241fe1, 0x8224a72b, 0x5f610d93, 0x3d4384aa, 0xe0062e12,
		0xf42f53e, 0xd2075f86, 0xb025d6bf, 0x6d607c07, 0x7460c4cd, 0xa9256e75, 0xcb07e74c, 0x16424df4,
		0x106227e5, 0xcd278d5d, 0xaf050464, 0x7240aedc, 0x6b401616, 0xb605bcae, 0xd4273597, 0x9629f2f,
		0xe6264403, 0x3b63eebb, 0x59416782, 0x8404cd3a, 0x9d0475f0, 0x4041df48, 0x22635671, 0xff26fcc9,
		0x2e238253, 0xf36628eb, 0x9144a1d2, 0x4c010b6a, 0x5501b3a0, 0x88441918, 0xea669021, 0x37233a99,
		0xd867e1b5, 0x5224b0d, 0x6700c234, 0xba45688c, 0xa345d046, 0x7e007afe, 0x1c22f3c7, 0xc167597f,
		0xc747336e, 0x1a0299d6, 0x782010ef, 0xa565ba57, 0xbc65029d, 0x6120a825, 0x302211c, 0xde478ba4,
		0x31035088, 0xec46fa30, 0x8e647309, 0x5321d9b1, 0x4a21617b, 0x9764cbc3, 0xf54642fa, 0x2803e842
	}
#endif
};

/*
 * Input :
 *	buff   	 	: Pointer to the input buffer whose checksum needs to be computed.
 *	sgmnt_addrs	: Segment address
 *	bufflen  	: Buffer size in bytes
 *
 * Returns:
 *	Computed checksum.
 */

uint4 jnl_get_checksum(uint4 *buff, sgmnt_addrs *csa, int bufflen)
{
	uint4			*top, *blk_base, *blk_top, blen;
#	ifdef GTM_CRYPT
	DEBUG_ONLY(
		sm_uc_ptr_t	orig_buff = NULL;
	)

	if (NULL != csa && (csa->hdr->is_encrypted))
	{
		DBG_ENSURE_PTR_IS_VALID_GLOBUFF(csa, csa->hdr, (sm_uc_ptr_t)buff);
		DEBUG_ONLY(orig_buff = (unsigned char *)buff;)
		buff = (uint4 *)GDS_ANY_ENCRYPTGLOBUF(buff, csa);
		DBG_ENSURE_PTR_IS_VALID_ENCTWINGLOBUFF(csa, csa->hdr, (sm_uc_ptr_t)buff);
	}
#	endif

	return (compute_checksum(INIT_CHECKSUM_SEED, buff, bufflen));
}


/*
 * Input :
 *	buff   	 	: Pointer to the input buffer whose checksum needs to be computed.
 *	bufflen  	: Buffer size in bytes
 *
 * Returns:
 *	Computed checksum.
 *
 * Algorithm:
 *	The checksum is calculated using slice-by-4 checksum calculation algorithm
 */

uint4 compute_checksum(uint4 init_checksum, uint4 *buff, int bufflen)
{
	uint4	checksum = init_checksum;
	char *byte;
	int word_cnt, i, rem_bytes;
	/* calculate checksum one byte at a time so that subsequent data read will be at addresses aligned to multiple of 4*/
#ifdef GTM64
	for (byte = (char *)buff; ((gtm_uint8)byte & SIZEOF(gtm_uint8)) != 0; byte++, bufflen--)
#else
	for (byte = (char *)buff; ((uint4)byte & SIZEOF(uint4)) != 0; byte++, bufflen--)
#endif
	{
#ifdef	BIGENDIAN
		checksum = (checksum << BITS_PER_UCHAR) ^ csum_table[0][((checksum >> (3 * BITS_PER_UCHAR)) ^ *byte) & BYTEMASK];
#else
		checksum = (checksum >> BITS_PER_UCHAR) ^ csum_table[0][(checksum ^ *byte) & BYTEMASK];
#endif
	}
	word_cnt = bufflen / SIZEOF(uint4);
	rem_bytes = bufflen & (int)(SIZEOF(uint4) - 1); /* Equivalent to bufflen % SIZEOF(uint4) */
	for(i = 0; i < word_cnt; i++)
	{
		checksum = checksum ^ *(uint4 *)byte;
		byte = byte + SIZEOF(uint4);
#ifdef	BIGENDIAN
		checksum = csum_table[LOBYTE + 0][checksum & BYTEMASK] ^
			   csum_table[LOBYTE + 1][(checksum >> (1 * BITS_PER_UCHAR)) & BYTEMASK] ^
			   csum_table[LOBYTE + 2][(checksum >> (2 * BITS_PER_UCHAR)) & BYTEMASK] ^
			   csum_table[LOBYTE + 3][(checksum >> (3 * BITS_PER_UCHAR)) & BYTEMASK];
#else
		checksum = csum_table[HIBYTE - 0][checksum & BYTEMASK] ^
			   csum_table[HIBYTE - 1][(checksum >> (1 * BITS_PER_UCHAR)) & BYTEMASK] ^
			   csum_table[HIBYTE - 2][(checksum >> (2 * BITS_PER_UCHAR)) & BYTEMASK] ^
			   csum_table[HIBYTE - 3][(checksum >> (3 * BITS_PER_UCHAR)) & BYTEMASK];
#endif
	}
	for(i = 0; i < rem_bytes; i++, byte++)
	{
#ifdef	BIGENDIAN
		checksum = (checksum << BITS_PER_UCHAR) ^ csum_table[0][((checksum >> (3 * BITS_PER_UCHAR)) ^ *byte) & BYTEMASK];
#else
		checksum = (checksum >> BITS_PER_UCHAR) ^ csum_table[0][(checksum ^ *byte) & BYTEMASK];
#endif
	}
	return (checksum ? checksum : INIT_CHECKSUM_SEED);
}