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crypto: algif - zeroize IV buffer

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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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Stephan Mueller 2014-11-11 05:37:57 +01:00 committed by Herbert Xu
parent 2a6af25bef
commit e1bd95bf7c
1 changed files with 1 additions and 0 deletions
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crypto/algif_skcipher.c
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@ -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);