ecc: For Ed448, it's only for EdDSA.
* cipher/ecc.c (ecc_sign): Ed448 is only for EdDSA. Hash algo is determined by the curve. (ecc_verify): Likewise. * tests/t-ed448.c (one_test): Don't specify (flags eddsa). Don't specify hash-algo.
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>