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crypto: authencesn - don't leak pointers to authenc keys

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[ Upstream commit 31545df391d58a3bb60e29b1192644a6f2b5a8dd ]

In crypto_authenc_esn_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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tudor-Dan Ambarus 2018-04-03 09:39:01 +03:00 • committed by Greg Kroah-Hartman
parent 5f66271532
commit d4ceb46ad2
1 changed files with 1 additions and 0 deletions
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crypto/authencesn.c
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@ -90,6 +90,7 @@ static int crypto_authenc_esn_setkey(struct crypto_aead *authenc_esn, const u8 *
CRYPTO_TFM_RES_MASK);
out:
memzero_explicit(&keys, sizeof(keys));
return err;
badkey: