Messages in this thread Patch in this message | | | From | Stephan Mueller <> | Subject | [PATCH 2/2] crypto: AF_ALG - zeroize IV buffer | Date | Tue, 11 Nov 2014 05:37:57 +0100 |
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Zeroize the buffer holding the IV used for the completed cipher operation before the buffer is released by the skcipher AF_ALG interface handler.
Signed-off-by: Stephan Mueller <smueller@chronox.de> --- crypto/algif_skcipher.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index 83187f4..85e3bdb 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -566,6 +566,7 @@ static void skcipher_sock_destruct(struct sock *sk) struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(&ctx->req); skcipher_free_sgl(sk); + memzero_explicit(ctx->iv, crypto_ablkcipher_ivsize(tfm)); sock_kfree_s(sk, ctx->iv, crypto_ablkcipher_ivsize(tfm)); sock_kfree_s(sk, ctx, ctx->len); af_alg_release_parent(sk); -- 2.1.0
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