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authorGary R Hook <gary.hook@amd.com>2019-07-30 16:05:24 +0000
committerHerbert Xu <herbert@gondor.apana.org.au>2019-08-02 14:36:35 +1000
commit9f00baf74e4b6f79a3a3dfab44fb7bb2e797b551 (patch)
tree47738606e5449b5f5e705519a23a81f4de1696a1 /include
parent25e44338321af545ab34243a6081c3f0fc6107d0 (diff)
downloadlinux-9f00baf74e4b6f79a3a3dfab44fb7bb2e797b551.tar.bz2
crypto: ccp - Add support for valid authsize values less than 16
AES GCM encryption allows for authsize values of 4, 8, and 12-16 bytes. Validate the requested authsize, and retain it to save in the request context. Fixes: 36cf515b9bbe2 ("crypto: ccp - Enable support for AES GCM on v5 CCPs") Cc: <stable@vger.kernel.org> Signed-off-by: Gary R Hook <gary.hook@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include')
-rw-r--r--include/linux/ccp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ccp.h b/include/linux/ccp.h
index 7e9c991c95e0..43ed9e77cf81 100644
--- a/include/linux/ccp.h
+++ b/include/linux/ccp.h
@@ -173,6 +173,8 @@ struct ccp_aes_engine {
enum ccp_aes_mode mode;
enum ccp_aes_action action;
+ u32 authsize;
+
struct scatterlist *key;
u32 key_len; /* In bytes */