diff options
Diffstat (limited to 'drivers/crypto/geode-aes.c')
| -rw-r--r-- | drivers/crypto/geode-aes.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c index 6d3840e629de..6a86958b577f 100644 --- a/drivers/crypto/geode-aes.c +++ b/drivers/crypto/geode-aes.c @@ -102,10 +102,15 @@ geode_aes_crypt(struct geode_aes_op *op) u32 flags = 0; unsigned long iflags; - if (op->len == 0 || op->src == op->dst) + if (op->len == 0) return 0; - if (op->flags & AES_FLAGS_COHERENT) + /* If the source and destination is the same, then + * we need to turn on the coherent flags, otherwise + * we don't need to worry + */ + + if (op->src == op->dst) flags |= (AES_CTRL_DCA | AES_CTRL_SCA); if (op->dir == AES_DIR_ENCRYPT) @@ -120,7 +125,7 @@ geode_aes_crypt(struct geode_aes_op *op) _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); } @@ -289,6 +294,7 @@ static struct crypto_alg geode_cbc_alg = { .setkey = geode_setkey, .encrypt = geode_cbc_encrypt, .decrypt = geode_cbc_decrypt, + .ivsize = AES_IV_LENGTH, } } }; |