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authorTudor-Dan Ambarus <tudor.ambarus@microchip.com>2018-04-03 09:39:00 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2018-04-21 00:58:30 +0800
commitad2fdcdf75d169e7a5aec6c7cb421c0bec8ec711 (patch)
tree193a07f40a7faaf8a23b63fd95d764d39c9ef4bd
parentd28fc3dbe1918333730d62aa5f0d84b6fb4e7254 (diff)
downloadlinux-ad2fdcdf75d169e7a5aec6c7cb421c0bec8ec711.tar.bz2
crypto: authenc - don't leak pointers to authenc keys
In crypto_authenc_setkey we save pointers to the authenc keys in a local variable of type struct crypto_authenc_keys and we don't zeroize it after use. Fix this and don't leak pointers to the authenc keys. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--crypto/authenc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/authenc.c b/crypto/authenc.c
index d3d6d72fe649..4fa8d40d947b 100644
--- a/crypto/authenc.c
+++ b/crypto/authenc.c
@@ -108,6 +108,7 @@ static int crypto_authenc_setkey(struct crypto_aead *authenc, const u8 *key,
CRYPTO_TFM_RES_MASK);
out:
+ memzero_explicit(&keys, sizeof(keys));
return err;
badkey: