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| author | Fionnuala Gunter <fin@linux.vnet.ibm.com> | 2013-08-07 18:15:50 -0500 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2013-08-09 16:41:29 +1000 |
| commit | cc76daf793287b2c51b0b66153072b23cdb51c1c (patch) | |
| tree | 3ce17ea23d8d01386149b9b7cc5a4a7ecaa99074 /drivers/crypto | |
| parent | e83872c989fb704748956c0bf1b69874a35492c6 (diff) | |
| download | linux-rpi3-cc76daf793287b2c51b0b66153072b23cdb51c1c.tar.gz linux-rpi3-cc76daf793287b2c51b0b66153072b23cdb51c1c.tar.bz2 linux-rpi3-cc76daf793287b2c51b0b66153072b23cdb51c1c.zip | |
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: Fionnuala Gunter <fin@linux.vnet.ibm.com>
Reviewed-by: Marcelo Cerri <mhcerri@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/nx/nx-aes-cbc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/crypto/nx/nx-aes-cbc.c b/drivers/crypto/nx/nx-aes-cbc.c index 35d483f8db66..a2f99a910e4a 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)); |