Messages in this thread Patch in this message | | | Subject | [PATCH v2] drivers/crypto/nx: saves chaining value from co-processor | From | Fionnuala Gunter <> | Date | Wed, 07 Aug 2013 18:15:50 -0500 |
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This patch fixes a bug that is triggered when cts(cbc(aes)) is used with nx-crypto driver on input larger than 32 bytes.
The chaining value from co-processor was not being saved. This value is needed because it is used as the IV by cts(cbc(aes)).
Signed-off-by: Fionnuala Gunter <fin@linux.vnet.ibm.com> Reviewed-by: Marcelo Cerri <mhcerri@linux.vnet.ibm.com> --- v2. changed signed-off-by to reviewed-by and added more details to description
This bug appeared in the original submission (v3.5) --- drivers/crypto/nx/nx-aes-cbc.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/crypto/nx/nx-aes-cbc.c b/drivers/crypto/nx/nx-aes-cbc.c index 35d483f..a2f99a9 100644 --- a/drivers/crypto/nx/nx-aes-cbc.c +++ b/drivers/crypto/nx/nx-aes-cbc.c @@ -95,6 +95,7 @@ static int cbc_aes_nx_crypt(struct blkcipher_desc *desc, if (rc) goto out;
+ memcpy(desc->info, csbcpb->cpb.aes_cbc.cv, AES_BLOCK_SIZE); atomic_inc(&(nx_ctx->stats->aes_ops)); atomic64_add(csbcpb->csb.processed_byte_count, &(nx_ctx->stats->aes_bytes)); -- 1.7.10.4
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