CTR hardware implementation does not match with kernel spec causing a counter bug where just low 8 bytes are used for counter, when should be all 16bytes. Since we already have other counter modes working according with specs not worth to keep CTR itself on NX. Signed-off-by: Leonidas S. Barbosa <leosilva@xxxxxxxxxxxxxxxxxx> --- drivers/crypto/nx/nx-aes-ctr.c | 21 --------------------- drivers/crypto/nx/nx.c | 9 +-------- drivers/crypto/nx/nx.h | 1 - 3 files changed, 1 insertion(+), 30 deletions(-) diff --git a/drivers/crypto/nx/nx-aes-ctr.c b/drivers/crypto/nx/nx-aes-ctr.c index dd7e9f3..898c0a2 100644 --- a/drivers/crypto/nx/nx-aes-ctr.c +++ b/drivers/crypto/nx/nx-aes-ctr.c @@ -144,27 +144,6 @@ static int ctr3686_aes_nx_crypt(struct blkcipher_desc *desc, return ctr_aes_nx_crypt(desc, dst, src, nbytes); } -struct crypto_alg nx_ctr_aes_alg = { - .cra_name = "ctr(aes)", - .cra_driver_name = "ctr-aes-nx", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = nx_crypto_ctx_aes_ctr_init, - .cra_exit = nx_crypto_ctx_exit, - .cra_blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = ctr_aes_nx_set_key, - .encrypt = ctr_aes_nx_crypt, - .decrypt = ctr_aes_nx_crypt, - } -}; - struct crypto_alg nx_ctr3686_aes_alg = { .cra_name = "rfc3686(ctr(aes))", .cra_driver_name = "rfc3686-ctr-aes-nx", diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c index 4369713..42fd3e6 100644 --- a/drivers/crypto/nx/nx.c +++ b/drivers/crypto/nx/nx.c @@ -596,13 +596,9 @@ static int nx_register_algs(void) if (rc) goto out_unreg_ecb; - rc = nx_register_alg(&nx_ctr_aes_alg, NX_FC_AES, NX_MODE_AES_CTR); - if (rc) - goto out_unreg_cbc; - rc = nx_register_alg(&nx_ctr3686_aes_alg, NX_FC_AES, NX_MODE_AES_CTR); if (rc) - goto out_unreg_ctr; + goto out_unreg_cbc; rc = nx_register_aead(&nx_gcm_aes_alg, NX_FC_AES, NX_MODE_AES_GCM); if (rc) @@ -653,8 +649,6 @@ out_unreg_gcm: nx_unregister_aead(&nx_gcm_aes_alg, NX_FC_AES, NX_MODE_AES_GCM); out_unreg_ctr3686: nx_unregister_alg(&nx_ctr3686_aes_alg, NX_FC_AES, NX_MODE_AES_CTR); -out_unreg_ctr: - nx_unregister_alg(&nx_ctr_aes_alg, NX_FC_AES, NX_MODE_AES_CTR); out_unreg_cbc: nx_unregister_alg(&nx_cbc_aes_alg, NX_FC_AES, NX_MODE_AES_CBC); out_unreg_ecb: @@ -822,7 +816,6 @@ static int nx_remove(struct vio_dev *viodev) NX_FC_AES, NX_MODE_AES_GCM); nx_unregister_alg(&nx_ctr3686_aes_alg, NX_FC_AES, NX_MODE_AES_CTR); - nx_unregister_alg(&nx_ctr_aes_alg, NX_FC_AES, NX_MODE_AES_CTR); nx_unregister_alg(&nx_cbc_aes_alg, NX_FC_AES, NX_MODE_AES_CBC); nx_unregister_alg(&nx_ecb_aes_alg, NX_FC_AES, NX_MODE_AES_ECB); } diff --git a/drivers/crypto/nx/nx.h b/drivers/crypto/nx/nx.h index cdff03a..b8fc1ad 100644 --- a/drivers/crypto/nx/nx.h +++ b/drivers/crypto/nx/nx.h @@ -187,7 +187,6 @@ extern struct crypto_alg nx_cbc_aes_alg; extern struct crypto_alg nx_ecb_aes_alg; extern struct aead_alg nx_gcm_aes_alg; extern struct aead_alg nx_gcm4106_aes_alg; -extern struct crypto_alg nx_ctr_aes_alg; extern struct crypto_alg nx_ctr3686_aes_alg; extern struct crypto_alg nx_ccm_aes_alg; extern struct crypto_alg nx_ccm4309_aes_alg; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html