tree b228f9cf7d3cbd62fc61dc1eea92f74a2fbe3786
parent b588ef6e69bfc0944a17dc673ee166a00fa23de2
author Herbert Xu <herbert@gondor.apana.org.au> 1248244635 +0800
committer Herbert Xu <herbert@gondor.apana.org.au> 1248244690 +0800

crypto: xcbc - Fix shash conversion

Although xcbc was converted to shash, it didn't obey the new
requirement that all hash state must be stored in the descriptor
rather than the transform.

This patch fixes this issue and also optimises away the rekeying
by precomputing K2 and K3 within setkey.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>