[PATCH] drivers/crypto/nx: saves chaining value from co-processor

Fionnuala Gunter fin at linux.vnet.ibm.com
Sat Aug 3 06:58:10 EST 2013


The chaining value from co-processor was not being saved. This value is
needed because it is used as the IV, for example by cts i.e.
cts(cbc(aes)).

Signed-off-by: Fionnuala Gunter <fin at linux.vnet.ibm.com>
Signed-off-by: Marcelo Cerri <mhcerri at linux.vnet.ibm.com>
---
 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




More information about the Linuxppc-dev mailing list