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crypto: caam/qi - don't leak pointers to authenc keys

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In caam/qi's aead_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>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tudor-Dan Ambarus 2018-03-23 12:42:19 +02:00 committed by Herbert Xu
parent 61dab97260
commit cc4ccaafcb
1 changed files with 2 additions and 0 deletions
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2
drivers/crypto/caam/caamalg_qi.c
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@ -278,9 +278,11 @@ static int aead_setkey(struct crypto_aead *aead, const u8 *key,
}
}
memzero_explicit(&keys, sizeof(keys));
return ret;
badkey:
crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
memzero_explicit(&keys, sizeof(keys));
return -EINVAL;
}