Instead of the "sha256" crypto_shash, just use sha256(). Similarly, instead of the "hmac(sha256)" crypto_shash, just use hmac_sha256_usingrawkey(). This is simpler and faster. Signed-off-by: Eric Biggers <ebiggers@kernel.org> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Reviewed-by: Mimi Zohar <zohar@linux.ibm.com> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>