crypto: aead,cipher - zeroize key buffer after use
[ Upstream commit 23e4099b ] I.G 9.7.B for FIPS 140-3 specifies that variables temporarily holding cryptographic information should be zeroized once they are no longer needed. Accomplish this by using kfree_sensitive for buffers that previously held the private key. Signed-off-by: Hailey Mothershead <hailmo@amazon.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal@kernel.org>
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