aes-asm.c

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//
// aes-asm.c   code for AES implementation
//
// Copyright (c) Microsoft Corporation. Licensed under the MIT license.
//
 
 
#include "precomp.h"
 
#if SYMCRYPT_CPU_X86 | SYMCRYPT_CPU_AMD64 | SYMCRYPT_CPU_ARM
 
VOID
SYMCRYPT_CALL
SymCryptAesEcbEncryptAsm(
    _In_                                        PCSYMCRYPT_AES_EXPANDED_KEY pExpandedKey,
    _In_reads_( cbData )                        PCBYTE                      pbSrc,
    _Out_writes_( cbData )                      PBYTE                       pbDst,
                                                SIZE_T                      cbData )
{
    while( cbData >= SYMCRYPT_AES_BLOCK_SIZE )
    {
        SymCryptAesEncryptAsm( pExpandedKey, pbSrc, pbDst );
        pbSrc += SYMCRYPT_AES_BLOCK_SIZE;
        pbDst += SYMCRYPT_AES_BLOCK_SIZE;
        cbData -= SYMCRYPT_AES_BLOCK_SIZE;
    }
}
 
VOID
SYMCRYPT_CALL
SymCryptAesEcbDecryptAsm(
    _In_                                        PCSYMCRYPT_AES_EXPANDED_KEY pExpandedKey,
    _In_reads_( cbData )                        PCBYTE                      pbSrc,
    _Out_writes_( cbData )                      PBYTE                       pbDst,
                                                SIZE_T                      cbData )
{
    while( cbData >= SYMCRYPT_AES_BLOCK_SIZE )
    {
        SymCryptAesDecryptAsm( pExpandedKey, pbSrc, pbDst );
        pbSrc += SYMCRYPT_AES_BLOCK_SIZE;
        pbDst += SYMCRYPT_AES_BLOCK_SIZE;
        cbData -= SYMCRYPT_AES_BLOCK_SIZE;
    }
}
 
#endif