/* XXX: probably some better way to do this */
#if defined(__i386__) || defined(__x86_64__)
#define UNALIGNED_MEMOPS_ARE_FAST 1
+#else
+#define UNALIGNED_MEMOPS_ARE_FAST 0
#endif
-#ifdef UNALIGNED_MEMOPS_ARE_FAST
+#if UNALIGNED_MEMOPS_ARE_FAST
#define load_block(d, s) (d) = *(const aes_block_t *)(s)
#define store_block(d, s) *(aes_block_t *)(d) = (s)
#else
/* N.B. The IV for this mode is _twice_ the block size */
void AES_ige_encrypt(const unsigned char *in, unsigned char *out,
- const unsigned long length, const AES_KEY *key,
+ size_t length, const AES_KEY *key,
unsigned char *ivec, const int enc)
{
- unsigned long n;
- unsigned long len;
+ size_t n;
+ size_t len = length;
OPENSSL_assert(in && out && key && ivec);
OPENSSL_assert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc));
if (AES_ENCRYPT == enc)
{
- if (in != out)
+ if (in != out &&
+ (UNALIGNED_MEMOPS_ARE_FAST || ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(long)==0))
{
aes_block_t *ivp = (aes_block_t *)ivec;
aes_block_t *iv2p = (aes_block_t *)(ivec + AES_BLOCK_SIZE);
}
else
{
- if(in != out)
+ if (in != out &&
+ (UNALIGNED_MEMOPS_ARE_FAST || ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(long)==0))
{
aes_block_t *ivp = (aes_block_t *)ivec;
aes_block_t *iv2p = (aes_block_t *)(ivec + AES_BLOCK_SIZE);
/* N.B. The IV for this mode is _four times_ the block size */
void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out,
- const unsigned long length, const AES_KEY *key,
+ size_t length, const AES_KEY *key,
const AES_KEY *key2, const unsigned char *ivec,
const int enc)
{
- unsigned long n;
- unsigned long len = length;
+ size_t n;
+ size_t len = length;
unsigned char tmp[AES_BLOCK_SIZE];
unsigned char tmp2[AES_BLOCK_SIZE];
unsigned char tmp3[AES_BLOCK_SIZE];