The world's most popular open source database

MySQL 5.1: mysql/src/5.1-dbg/storage/ndb/include/util/md5_hash.hpp File Reference

mysql/src/5.1-dbg/storage/ndb/include/util/md5_hash.hpp File Reference

#include <ndb_types.h>

Include dependency graph for md5_hash.hpp:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.


Functions
void	md5_hash (Uint32 result[4], const Uint64 *keybuf, Uint32 no_of_32_words)
Uint32	md5_hash (const Uint64 *keybuf, Uint32 no_of_32_words)

Function Documentation

Uint32 md5_hash	(	const Uint64 *	keybuf,
		Uint32	no_of_32_words
	)			`[inline]`

Definition at line 27 of file md5_hash.hpp.

References md5_hash().

00028 {
00029   Uint32 result[4];
00030   md5_hash(result, keybuf, no_of_32_words);
00031   return result[0];
00032 }

Here is the call graph for this function:

void md5_hash	(	Uint32	result[4],
		const Uint64 *	keybuf,
		Uint32	no_of_32_words
	)

Definition at line 165 of file md5_hash.cpp.

References byteReverse, and MD5Transform().

Referenced by Dblqh::calculateHash(), Restore::calulate_hash(), Dblqh::copyTupkeyConfLab(), Dbtux::execACC_CHECK_SCAN(), Dbtc::handle_special_hash(), Dbtc::hash(), md5_hash(), Dblqh::nr_copy_delete_row(), Restore::parse_record(), Dbtup::scanReply(), NdbOperation::setPartitionHash(), and Ndb::startTransaction().

00166 {
00172   Uint32 i;
00173   Uint32 buf[4];
00174   Uint64 transform64_buf[8];
00175   Uint32* transform32_buf;
00176   Uint32 len = no_of_32_words << 2;
00177   const Uint64* key64buf = (const Uint64*)keybuf;
00178   const Uint32* key32buf = (const Uint32*)keybuf;
00179 
00180   transform32_buf = (Uint32*)&transform64_buf[0];
00181   buf[0] = 0x67452301;
00182   buf[1] = 0xefcdab89;
00183   buf[2] = 0x98badcfe;
00184   buf[3] = 0x10325476;
00185 
00186   while (no_of_32_words >= 16) {
00187     transform64_buf[0] = key64buf[0];
00188     transform64_buf[1] = key64buf[1];
00189     transform64_buf[2] = key64buf[2];
00190     transform64_buf[3] = key64buf[3];
00191     transform64_buf[4] = key64buf[4];
00192     transform64_buf[5] = key64buf[5];
00193     transform64_buf[6] = key64buf[6];
00194     transform64_buf[7] = key64buf[7];
00195     no_of_32_words -= 16;
00196     key64buf += 8;
00197     byteReverse((unsigned char *)transform32_buf, 16);
00198     MD5Transform(buf, transform32_buf);
00199   }
00200 
00201   key32buf = (const Uint32*)key64buf;
00202   transform64_buf[0] = 0;
00203   transform64_buf[1] = 0;
00204   transform64_buf[2] = 0;
00205   transform64_buf[3] = 0;
00206   transform64_buf[4] = 0;
00207   transform64_buf[5] = 0;
00208   transform64_buf[6] = 0;
00209   transform64_buf[7] = (Uint64)len;
00210 
00211   for (i = 0; i < no_of_32_words; i++)
00212     transform32_buf[i] = key32buf[i];
00213   transform32_buf[no_of_32_words] = 0x80000000;
00214 
00215   if (no_of_32_words < 14) {
00216     byteReverse((unsigned char *)transform32_buf, 16);
00217     MD5Transform(buf, transform32_buf);
00218   } else {
00219     if (no_of_32_words == 14)
00220       transform32_buf[15] = 0;
00221     MD5Transform(buf, transform32_buf);
00222     transform64_buf[0] = 0;
00223     transform64_buf[1] = 0;
00224     transform64_buf[2] = 0;
00225     transform64_buf[3] = 0;
00226     transform64_buf[4] = 0;
00227     transform64_buf[5] = 0;
00228     transform64_buf[6] = 0;
00229     transform64_buf[7] = (Uint64)len;
00230     byteReverse((unsigned char *)transform32_buf, 16);
00231     MD5Transform(buf, transform32_buf);    
00232   }
00233 
00234   result[0] = buf[0];
00235   result[1] = buf[1];
00236   result[2] = buf[2];
00237   result[3] = buf[3];
00238 }

Here is the call graph for this function:

Here is the caller graph for this function:

Generated on Sat Sep 9 18:39:50 2006 for MySQL 5.1 by

1.4.7

The world's most popular open source database

mysql/src/5.1-dbg/storage/ndb/include/util/md5_hash.hpp File Reference

Functions

Function Documentation