In part, to support OpenSSL's use of cryptodev, which puts the HMAC pieces
in software and only offloads the raw hash primitive.
The following cryptodev identifiers are added:
* CRYPTO_RIPEMD160 (not hooked up)
* CRYPTO_SHA2_224
* CRYPTO_SHA2_256
* CRYPTO_SHA2_384
* CRYPTO_SHA2_512
The plain SHA1 and 2 hashes are plumbed through cryptodev (feels like there
is a lot of redundancy here...) and cryptosoft.
This adds new auth_hash implementations for the plain hashes, as well as
SHA1 (which had a cryptodev.h identifier, but no implementation).
Add plain SHA 1 and 2 hash tests to the cryptocheck tool.
Motivation stems from John Baldwin's earlier OCF email,
https://lists.freebsd.org/pipermail/freebsd-arch/2018-January/018835.html .
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