tree 3bf9601a4fb0cb8e808737e12ea588788cf8c65c
parent c0dfcd4bf195f3f3b547e6a19336a9d3b359473a
author Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> 1525948219 +0200
committer Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> 1527161851 +0200

cipher: handle ChaCha20 as a stream cipher

That's what it is. So we shouldn't set a block size != 1.

While at it, move call to chachapoly_update() closer to the one for GCM, as
they are similar (AEAD).