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authorHarsh Jain <harsh@chelsio.com>2017-06-15 12:43:40 +0530
committerHerbert Xu <herbert@gondor.apana.org.au>2017-06-20 11:21:33 +0800
commit4dbeae4237c15d3104147ab5f79ecbde9511f49f (patch)
treedc777578da4db7d9b94c3f89ab9d9908ecabbf7c /drivers/crypto
parent2512a62414235be0cf4c2529f468546c57b96f60 (diff)
downloadlinux-4dbeae4237c15d3104147ab5f79ecbde9511f49f.tar.bz2
crypto: chcr - Fix fallback key setting
Set key of fallback tfm for rfc4309. Signed-off-by: Harsh Jain <harsh@chelsio.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/chelsio/chcr_algo.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c
index e8ff505c3beb..14641c66c3eb 100644
--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -2210,7 +2210,8 @@ static int chcr_aead_rfc4309_setkey(struct crypto_aead *aead, const u8 *key,
unsigned int keylen)
{
struct chcr_context *ctx = crypto_aead_ctx(aead);
- struct chcr_aead_ctx *aeadctx = AEAD_CTX(ctx);
+ struct chcr_aead_ctx *aeadctx = AEAD_CTX(ctx);
+ int error;
if (keylen < 3) {
crypto_tfm_set_flags((struct crypto_tfm *)aead,
@@ -2218,6 +2219,15 @@ static int chcr_aead_rfc4309_setkey(struct crypto_aead *aead, const u8 *key,
aeadctx->enckey_len = 0;
return -EINVAL;
}
+ crypto_aead_clear_flags(aeadctx->sw_cipher, CRYPTO_TFM_REQ_MASK);
+ crypto_aead_set_flags(aeadctx->sw_cipher, crypto_aead_get_flags(aead) &
+ CRYPTO_TFM_REQ_MASK);
+ error = crypto_aead_setkey(aeadctx->sw_cipher, key, keylen);
+ crypto_aead_clear_flags(aead, CRYPTO_TFM_RES_MASK);
+ crypto_aead_set_flags(aead, crypto_aead_get_flags(aeadctx->sw_cipher) &
+ CRYPTO_TFM_RES_MASK);
+ if (error)
+ return error;
keylen -= 3;
memcpy(aeadctx->salt, key + keylen, 3);
return chcr_ccm_common_setkey(aead, key, keylen);