tree 430936c4d6c4aa50c14d3d37c438c54f73a526fd
parent 445a8e0df3ef80f3696014187a463d6c0772331b
author Herbert Xu <herbert@gondor.apana.org.au> 1432283448 +0800
committer Herbert Xu <herbert@gondor.apana.org.au> 1432550485 +0800

crypto: aead - Add crypto_aead_alg_ivsize/maxauthsize

AEAD algorithm implementors need to figure out a given algorithm's
IV size and maximum authentication size.  During the transition
this is difficult to do as an algorithm could be new style or old
style.

This patch creates two helpers to make this easier.

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