Glue code for crypto infrastructure. Call the assembler
code where required. Take a little care about small input
data. Kick out early for input chunks < 64 bytes and replace
memset for context cleanup with simple loop.
Signed-off-by: NMarkus Stockhausen <stockhausen@collogia.de>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>