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MySQL 5.1: mysql/src/5.1-dbg/include/sha1.h File Reference

mysql/src/5.1-dbg/include/sha1.h File Reference

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Classes
struct	SHA1_CONTEXT
Defines
#define	SHA1_HASH_SIZE 20
Enumerations
enum	sha_result_codes { SHA_SUCCESS = 0, SHA_NULL, SHA_INPUT_TOO_LONG, SHA_STATE_ERROR }
Functions
C_MODE_START int	mysql_sha1_reset (SHA1_CONTEXT *)
int	mysql_sha1_input (SHA1_CONTEXT , const uint8 , unsigned int)
int	mysql_sha1_result (SHA1_CONTEXT *, uint8 Message_Digest[SHA1_HASH_SIZE])

Define Documentation

#define SHA1_HASH_SIZE 20

Definition at line 40 of file sha1.h.

Referenced by check_scramble(), Item_func_sha::fix_length_and_dec(), get_salt_from_password(), make_password_from_salt(), make_scrambled_password(), scramble(), and Item_func_sha::val_str().

Enumeration Type Documentation

enum sha_result_codes

Enumerator:

SHA_SUCCESS
SHA_NULL
SHA_INPUT_TOO_LONG
SHA_STATE_ERROR

Definition at line 32 of file sha1.h.

00033 {
00034   SHA_SUCCESS = 0,
00035   SHA_NULL,             /* Null pointer parameter */
00036   SHA_INPUT_TOO_LONG,   /* input data too long */
00037   SHA_STATE_ERROR       /* called Input after Result */
00038 };

Function Documentation

int mysql_sha1_input	(	SHA1_CONTEXT *	,
		const uint8 *	,
		unsigned	int
	)

Definition at line 179 of file sha1.c.

References SHA1_CONTEXT::Computed, SHA1_CONTEXT::Corrupted, SHA1_CONTEXT::Length, SHA1_CONTEXT::Message_Block, SHA1_CONTEXT::Message_Block_Index, SHA1ProcessMessageBlock(), SHA_NULL, SHA_STATE_ERROR, and SHA_SUCCESS.

Referenced by check_scramble(), make_scrambled_password(), scramble(), and Item_func_sha::val_str().

00181 {
00182   if (!length)
00183     return SHA_SUCCESS;
00184 
00185 #ifndef DBUG_OFF
00186   /* We assume client konows what it is doing in non-debug mode */
00187   if (!context || !message_array)
00188     return SHA_NULL;
00189   if (context->Computed)
00190     return (context->Corrupted= SHA_STATE_ERROR);
00191   if (context->Corrupted)
00192     return context->Corrupted;
00193 #endif
00194 
00195   while (length--)
00196   {
00197     context->Message_Block[context->Message_Block_Index++]=
00198       (*message_array & 0xFF);
00199     context->Length  += 8;  /* Length is in bits */
00200 
00201 #ifndef DBUG_OFF
00202     /*
00203       Then we're not debugging we assume we never will get message longer
00204       2^64 bits.
00205     */
00206     if (context->Length == 0)
00207       return (context->Corrupted= 1);      /* Message is too long */
00208 #endif
00209 
00210     if (context->Message_Block_Index == 64)
00211     {
00212       SHA1ProcessMessageBlock(context);
00213     }
00214     message_array++;
00215   }
00216   return SHA_SUCCESS;
00217 }

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C_MODE_START int mysql_sha1_reset ( SHA1_CONTEXT * )

Definition at line 95 of file sha1.c.

References SHA1_CONTEXT::Computed, SHA1_CONTEXT::Corrupted, SHA1_CONTEXT::Intermediate_Hash, SHA1_CONTEXT::Length, SHA1_CONTEXT::Message_Block_Index, sha_const_key, SHA_NULL, and SHA_SUCCESS.

Referenced by check_scramble(), make_scrambled_password(), scramble(), and Item_func_sha::val_str().

00096 {
00097 #ifndef DBUG_OFF
00098   if (!context)
00099     return SHA_NULL;
00100 #endif
00101 
00102   context->Length                 = 0;
00103   context->Message_Block_Index    = 0;
00104 
00105   context->Intermediate_Hash[0]   = sha_const_key[0];
00106   context->Intermediate_Hash[1]   = sha_const_key[1];
00107   context->Intermediate_Hash[2]   = sha_const_key[2];
00108   context->Intermediate_Hash[3]   = sha_const_key[3];
00109   context->Intermediate_Hash[4]   = sha_const_key[4];
00110 
00111   context->Computed   = 0;
00112   context->Corrupted  = 0;
00113 
00114   return SHA_SUCCESS;
00115 }

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int mysql_sha1_result	(	SHA1_CONTEXT *	,
		uint8	Message_Digest[SHA1_HASH_SIZE]
	)

Definition at line 135 of file sha1.c.

References bzero, SHA1_CONTEXT::Computed, SHA1_CONTEXT::Corrupted, SHA1_CONTEXT::Intermediate_Hash, SHA1_CONTEXT::Length, SHA1_CONTEXT::Message_Block, SHA1PadMessage(), SHA_NULL, and SHA_SUCCESS.

Referenced by check_scramble(), make_scrambled_password(), scramble(), and Item_func_sha::val_str().

00137 {
00138   int i;
00139 
00140 #ifndef DBUG_OFF
00141   if (!context || !Message_Digest)
00142     return SHA_NULL;
00143 
00144   if (context->Corrupted)
00145     return context->Corrupted;
00146 #endif
00147 
00148   if (!context->Computed)
00149   {
00150     SHA1PadMessage(context);
00151      /* message may be sensitive, clear it out */
00152     bzero((char*) context->Message_Block,64);
00153     context->Length   = 0;    /* and clear length  */
00154     context->Computed = 1;
00155   }
00156 
00157   for (i = 0; i < SHA1_HASH_SIZE; i++)
00158     Message_Digest[i] = (int8)((context->Intermediate_Hash[i>>2] >> 8
00159                          * ( 3 - ( i & 0x03 ) )));
00160   return SHA_SUCCESS;
00161 }

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Generated on Sat Sep 9 01:49:14 2006 for MySQL 5.1 by

1.4.7

The world's most popular open source database

mysql/src/5.1-dbg/include/sha1.h File Reference

Classes

Defines

Enumerations

Functions

Define Documentation

Enumeration Type Documentation

Function Documentation