crypto: dh - comply with crypto_kpp_maxsize()
authorTudor-Dan Ambarus <tudor.ambarus@microchip.com>
Thu, 25 May 2017 07:18:09 +0000 (10:18 +0300)
committerHerbert Xu <herbert@gondor.apana.org.au>
Sat, 10 Jun 2017 04:04:27 +0000 (12:04 +0800)
commit7f69105077bfb36a8ff9c2ee20af50d921445fc0
treedea0ef82ff3c40077cf315ac5099ab807d3d23fa
parentc444b8da87d16e6f9f11e15c8c873a641f7cd117
crypto: dh - comply with crypto_kpp_maxsize()

crypto_kpp_maxsize() asks for the output buffer size without
caring for errors. It allways assume that will be called after
a valid setkey. Comply with it and return what he wants.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto/dh.c