Changes in lib/sha1.c [523fb23:77bfd07]

File:

• lib/sha1.c (modified) (2 diffs)

lib/sha1.c

@@ -36 +36 @@
  */
 
-#include <string.h>
 #include "sha1.h"
 
@@ -375 +374 @@
         sha1_process_block(context);
 }
-
-#define HMAC_BLOCK_SIZE 64
-
-/* BitlBee addition: */
-void sha1_hmac(const char *key_, size_t key_len, const char *payload, size_t payload_len, uint8_t Message_Digest[sha1_hash_size])
-{
-        sha1_state_t sha1;
-        uint8_t hash[sha1_hash_size];
-        uint8_t key[HMAC_BLOCK_SIZE+1];
-        int i;
-        
-        if( key_len == 0 )
-                key_len = strlen( key_ );
-        if( payload_len == 0 )
-                payload_len = strlen( payload );
-        
-        /* Create K. If our current key is >64 chars we have to hash it,
-           otherwise just pad. */
-        memset( key, 0, HMAC_BLOCK_SIZE + 1 );
-        if( key_len > HMAC_BLOCK_SIZE )
-        {
-                sha1_init( &sha1 );
-                sha1_append( &sha1, (uint8_t*) key_, key_len );
-                sha1_finish( &sha1, key );
-        }
-        else
-        {
-                memcpy( key, key_, key_len );
-        }
-        
-        /* Inner part: H(K XOR 0x36, text) */
-        sha1_init( &sha1 );
-        for( i = 0; i < HMAC_BLOCK_SIZE; i ++ )
-                key[i] ^= 0x36;
-        sha1_append( &sha1, key, HMAC_BLOCK_SIZE );
-        sha1_append( &sha1, (const uint8_t*) payload, payload_len );
-        sha1_finish( &sha1, hash );
-        
-        /* Final result: H(K XOR 0x5C, inner stuff) */
-        sha1_init( &sha1 );
-        for( i = 0; i < HMAC_BLOCK_SIZE; i ++ )
-                key[i] ^= 0x36 ^ 0x5c;
-        sha1_append( &sha1, key, HMAC_BLOCK_SIZE );
-        sha1_append( &sha1, hash, sha1_hash_size );
-        sha1_finish( &sha1, Message_Digest );
-}