http://csrc.nist.gov/encryption/modes/proposedmodes/
xcbc-mac/xcbc-mac-spec.pdf
+config CRYPTO_VMAC
+ tristate "VMAC support"
+ depends on EXPERIMENTAL
+ select CRYPTO_HASH
+ select CRYPTO_MANAGER
+ help
+ VMAC is a message authentication algorithm designed for
+ very high speed on 64-bit architectures.
+
+ See also:
+ <http://fastcrypto.org/vmac>
+
comment "Digest"
config CRYPTO_CRC32C