#include <linux/crypto.h>
#include <linux/spinlock.h>
#include <crypto/algapi.h>
+#include <crypto/aes.h>
#include <asm/io.h>
#include <asm/delay.h>
static unsigned int
geode_aes_crypt(struct geode_aes_op *op)
{
-
u32 flags = 0;
- int iflags;
+ unsigned long iflags;
- if (op->len == 0 || op->src == op->dst)
+ if (op->len == 0)
return 0;
- if (op->flags & AES_FLAGS_COHERENT)
- flags |= (AES_CTRL_DCA | AES_CTRL_SCA);
+ /* If the source and destination is the same, then
+ * we need to turn on the coherent flags, otherwise
+ * we don't need to worry
+ */
+
+ flags |= (AES_CTRL_DCA | AES_CTRL_SCA);
if (op->dir == AES_DIR_ENCRYPT)
flags |= AES_CTRL_ENCRYPT;
_writefield(AES_WRITEIV0_REG, op->iv);
}
- if (op->flags & AES_FLAGS_USRKEY) {
+ if (!(op->flags & AES_FLAGS_HIDDENKEY)) {
flags |= AES_CTRL_WRKEY;
_writefield(AES_WRITEKEY0_REG, op->key);
}
blkcipher_walk_init(&walk, dst, src, nbytes);
err = blkcipher_walk_virt(desc, &walk);
+ memcpy(op->iv, walk.iv, AES_IV_LENGTH);
while((nbytes = walk.nbytes)) {
op->src = walk.src.virt.addr,
op->len = nbytes - (nbytes % AES_MIN_BLOCK_SIZE);
op->dir = AES_DIR_DECRYPT;
- memcpy(op->iv, walk.iv, AES_IV_LENGTH);
-
ret = geode_aes_crypt(op);
- memcpy(walk.iv, op->iv, AES_IV_LENGTH);
nbytes -= ret;
-
err = blkcipher_walk_done(desc, &walk, nbytes);
}
+ memcpy(walk.iv, op->iv, AES_IV_LENGTH);
return err;
}
blkcipher_walk_init(&walk, dst, src, nbytes);
err = blkcipher_walk_virt(desc, &walk);
+ memcpy(op->iv, walk.iv, AES_IV_LENGTH);
while((nbytes = walk.nbytes)) {
op->src = walk.src.virt.addr,
op->len = nbytes - (nbytes % AES_MIN_BLOCK_SIZE);
op->dir = AES_DIR_ENCRYPT;
- memcpy(op->iv, walk.iv, AES_IV_LENGTH);
-
ret = geode_aes_crypt(op);
nbytes -= ret;
err = blkcipher_walk_done(desc, &walk, nbytes);
}
+ memcpy(walk.iv, op->iv, AES_IV_LENGTH);
return err;
}
.setkey = geode_setkey,
.encrypt = geode_cbc_encrypt,
.decrypt = geode_cbc_decrypt,
+ .ivsize = AES_IV_LENGTH,
}
}
};