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Commit cc76daf7 authored by Fionnuala Gunter's avatar Fionnuala Gunter Committed by Herbert Xu
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crypto: nx - saves chaining value from co-processor 



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: default avatarFionnuala Gunter <fin@linux.vnet.ibm.com>
Reviewed-by: default avatarMarcelo Cerri <mhcerri@linux.vnet.ibm.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent e83872c9

drivers/crypto/nx/nx-aes-cbc.c

+1 −0
Original line number Diff line number Diff line
@@ -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));