Mailing List Archive

* cipher/cipher-ccm.c (do_cbc_mac): Avoid VLA for stack array.
--

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
---
cipher/cipher-ccm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cipher/cipher-ccm.c b/cipher/cipher-ccm.c
index f8b6865c..b325c966 100644
--- a/cipher/cipher-ccm.c
+++ b/cipher/cipher-ccm.c
@@ -38,9 +38,9 @@ static unsigned int
do_cbc_mac (gcry_cipher_hd_t c, const unsigned char *inbuf, size_t inlen,
int do_padding)
{
- const unsigned int blocksize = 16;
gcry_cipher_encrypt_t enc_fn = c->spec->encrypt;
- unsigned char tmp[blocksize];
+ unsigned char tmp[16];
+ const unsigned int blocksize = DIM(tmp);
unsigned int burn = 0;
unsigned int unused = c->u_mode.ccm.mac_unused;
size_t nblocks;
--
2.34.1


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