lib/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-07-29 11:41:15 +03:00
Code Activity

Remove specific xxx_hmac functions

Browse Source
This commit is contained in:
Manuel Pégourié-Gonnard
2015-03-24 18:23:20 +01:00
parent 003b3b132e
commit 4da88c50c1
15 changed files with 4 additions and 1536 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
library/md4.c
View File

@ -341,87 +341,6 @@ int md4_file( const char *path, unsigned char output[16] )
}
#endif /* POLARSSL_FS_IO */
/*
* MD4 HMAC context setup
*/
void md4_hmac_starts( md4_context *ctx, const unsigned char *key,
size_t keylen )
{
size_t i;
unsigned char sum[16];
if( keylen > 64 )
{
md4( key, keylen, sum );
keylen = 16;
key = sum;
}
memset( ctx->ipad, 0x36, 64 );
memset( ctx->opad, 0x5C, 64 );
for( i = 0; i < keylen; i++ )
{
ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] );
ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] );
}
md4_starts( ctx );
md4_update( ctx, ctx->ipad, 64 );
polarssl_zeroize( sum, sizeof( sum ) );
}
/*
* MD4 HMAC process buffer
*/
void md4_hmac_update( md4_context *ctx, const unsigned char *input,
size_t ilen )
{
md4_update( ctx, input, ilen );
}
/*
* MD4 HMAC final digest
*/
void md4_hmac_finish( md4_context *ctx, unsigned char output[16] )
{
unsigned char tmpbuf[16];
md4_finish( ctx, tmpbuf );
md4_starts( ctx );
md4_update( ctx, ctx->opad, 64 );
md4_update( ctx, tmpbuf, 16 );
md4_finish( ctx, output );
polarssl_zeroize( tmpbuf, sizeof( tmpbuf ) );
}
/*
* MD4 HMAC context reset
*/
void md4_hmac_reset( md4_context *ctx )
{
md4_starts( ctx );
md4_update( ctx, ctx->ipad, 64 );
}
/*
* output = HMAC-MD4( hmac key, input buffer )
*/
void md4_hmac( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char output[16] )
{
md4_context ctx;
md4_init( &ctx );
md4_hmac_starts( &ctx, key, keylen );
md4_hmac_update( &ctx, input, ilen );
md4_hmac_finish( &ctx, output );
md4_free( &ctx );
}
#if defined(POLARSSL_SELF_TEST)
/*