static void cryptodev_des_ncbc_encrypt(des_cblock (*input),
des_cblock (*output),
long length,
des_key_schedule schedule,
des_cblock (*ivec),
int enc)
{
if (cryptodev_fd != -1) {
char key[8];
des_cblock iv;
memcpy(key, schedule, 8);
memcpy(&iv, ivec, sizeof(des_cblock));
cryptodev_des_cryptodev_internal(
CRYPTO_DES_CBC,
key,
enc ? COP_ENCRYPT : COP_DECRYPT,
input,
output,
length,
&iv,
sizeof(des_cblock));
memcpy(ivec, &iv, sizeof(des_cblock));
}
}
static void
cryptodev_des_ecb_encrypt(
des_cblock (*input),
des_cblock (*output),
des_key_schedule ks,
int enc)
{
if (cryptodev_fd != -1) {
char key[8];
des_cblock iv;
memcpy(key, ks, 8);
memset(&iv, 0, sizeof(des_cblock));
/* single block ecb == single block cbc with iv=0 */
cryptodev_des_cryptodev_internal(
CRYPTO_DES_CBC,
key,
enc ? COP_ENCRYPT : COP_DECRYPT,
input,
output,
sizeof(des_cblock),
&iv,
sizeof(des_cblock));
}
}
static void cryptodev_des_cbc_encrypt(des_cblock (*input),
des_cblock (*output),
long length,
des_key_schedule schedule,
des_cblock (*ivec),
int enc)
{
if (cryptodev_fd != -1) {
char key[8];
des_cblock iv;
memcpy(key, schedule, 8);
memcpy(&iv, ivec, sizeof(des_cblock));
cryptodev_des_cryptodev_internal(
CRYPTO_DES_CBC,
key,
enc ? COP_ENCRYPT : COP_DECRYPT,
input,
output,
length,
&iv,
sizeof(des_cblock));
/* intentionally do NOT copy out the iv into ivec, this is the
* ONLY difference between the cbc and ncbc versions
*/
}
}
static void
cryptodev_des_encrypt(
DES_LONG *data,
des_key_schedule ks,
int enc)
{
if (cryptodev_fd != -1) {
char key[8];
des_cblock iv;
des_cblock datac;
register DES_LONG l;
unsigned char *p;
p=&datac[0];
l=data[0]; l2c(l,p);
l=data[1]; l2c(l,p);
memcpy(key, ks, 8);
memset(&iv, 0, sizeof(des_cblock));
/* single block ecb == single block cbc with iv=0 */
cryptodev_des_cryptodev_internal(
CRYPTO_DES_CBC,
key,
enc ? COP_ENCRYPT : COP_DECRYPT,
&datac,
&datac,
sizeof(des_cblock),
&iv,
sizeof(des_cblock));
p=datac;
c2l(p,l); data[0]=l;
c2l(p,l); data[1]=l;
}
}
