From: Christophe Leroy christophe.leroy@c-s.fr
commit 1ba34e71e9e56ac29a52e0d42b6290f3dc5bfd90 upstream.
Although the HW accepts any size and silently truncates it to the correct length, the extra tests expects EINVAL to be returned when the key size is not valid.
Signed-off-by: Christophe Leroy christophe.leroy@c-s.fr Fixes: 4de9d0b547b9 ("crypto: talitos - Add ablkcipher algorithms") Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/crypto/talitos.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
--- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -1591,6 +1591,18 @@ static int ablkcipher_des3_setkey(struct return ablkcipher_setkey(cipher, key, keylen); }
+static int ablkcipher_aes_setkey(struct crypto_ablkcipher *cipher, + const u8 *key, unsigned int keylen) +{ + if (keylen == AES_KEYSIZE_128 || keylen == AES_KEYSIZE_192 || + keylen == AES_KEYSIZE_256) + return ablkcipher_setkey(cipher, key, keylen); + + crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN); + + return -EINVAL; +} + static void common_nonsnoop_unmap(struct device *dev, struct talitos_edesc *edesc, struct ablkcipher_request *areq) @@ -2752,6 +2764,7 @@ static struct talitos_alg_template drive .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, .ivsize = AES_BLOCK_SIZE, + .setkey = ablkcipher_aes_setkey, } }, .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU | @@ -2768,6 +2781,7 @@ static struct talitos_alg_template drive .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, .ivsize = AES_BLOCK_SIZE, + .setkey = ablkcipher_aes_setkey, } }, .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU | @@ -2785,6 +2799,7 @@ static struct talitos_alg_template drive .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, .ivsize = AES_BLOCK_SIZE, + .setkey = ablkcipher_aes_setkey, } }, .desc_hdr_template = DESC_HDR_TYPE_AESU_CTR_NONSNOOP |