crypto: cbc - Convert to skcipher

This patch converts cbc over to the skcipher interface.  It also
rearranges the code to allow it to be reused by drivers.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2016-11-22 20:08:39 +08:00
commit 79c65d179a