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crypto: arm/aes-neonbs - clear the crypto_aes_ctx when done

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Clear the crypto_aes_ctx structure via __cleanup(aes_zeroize_ctx) when
we're done with it to avoid that key data could leak on the stack.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Thomas Huth 2026-08-10 11:30:00 +02:00 committed by Herbert Xu
parent 846b7a1786
commit b77228e946
1 changed files with 1 additions and 1 deletions
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2
arch/arm/crypto/aes-neonbs-glue.c
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@ -60,7 +60,7 @@ static int aesbs_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
unsigned int key_len)
{
struct aesbs_ctx *ctx = crypto_skcipher_ctx(tfm);
struct crypto_aes_ctx rk;
struct crypto_aes_ctx rk __cleanup(aes_zeroize_ctx);
int err;
err = aes_expandkey(&rk, in_key, key_len);