def hydro_kx_session_keypair(tx_bytes, rx_bytes):
assert len(tx_bytes) == h.hydro_kx_SESSIONKEYBYTES
assert len(rx_bytes) == h.hydro_kx_SESSIONKEYBYTES
session_pair = ffi.new('hydro_kx_session_keypair *')
ffi.memmove(session_pair.tx, tx_bytes, h.hydro_kx_SESSIONKEYBYTES)
ffi.memmove(session_pair.rx, rx_bytes, h.hydro_kx_SESSIONKEYBYTES)
return session_pair
def hydro_kx_keypair(pk_bytes, sk_bytes):
assert len(pk_bytes) == h.hydro_kx_PUBLICKEYBYTES
assert len(sk_bytes) == h.hydro_kx_SECRETKEYBYTES
pair = ffi.new('hydro_kx_keypair *')
ffi.memmove(pair.pk, pk_bytes, h.hydro_kx_PUBLICKEYBYTES)
ffi.memmove(pair.sk, sk_bytes, h.hydro_kx_SECRETKEYBYTES)
return pair