crypto: gcm - Fix IV buffer size in crypto_gcm_setkey
commit 50d2e6dc1f83db0563c7d6603967bf9585ce934b upstream.
The cipher block size for GCM is 16 bytes, and thus the CTR transform
used in crypto_gcm_setkey() will also expect a 16-byte IV. However,
the code currently reserves only 8 bytes for the IV, causing
an out-of-bounds access in the CTR transform. This patch fixes
the issue by setting the size of the IV buffer to 16 bytes.
Fixes: 84c9115230
("[CRYPTO] gcm: Add support for async ciphers")
Signed-off-by: Ondrej Mosnacek <omosnacek@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
parent
3239004f27
commit
42a2b69af9
|
@ -109,7 +109,7 @@ static int crypto_gcm_setkey(struct crypto_aead *aead, const u8 *key,
|
|||
struct crypto_ablkcipher *ctr = ctx->ctr;
|
||||
struct {
|
||||
be128 hash;
|
||||
u8 iv[8];
|
||||
u8 iv[16];
|
||||
|
||||
struct crypto_gcm_setkey_result result;
|
||||
|
||||
|
|
Loading…
Reference in New Issue