1	# Laws about ARIA (aria.bend): for every key (every key size) and block,
2	# decryption undoes encryption and encryption undoes decryption; and RFC
3	# 5794 A.1 and a refused key, proved by computation.
4	import Base
5	import bend-osdev-bytes@0.1.1.0/bytes.bend as B
6	import bend-osdev-mode-core@0.1.0.0/mode_core.bend as M
7	import bend-osdev-cipher-core@0.1.0.0/cipher_core.bend as L
8	import ./aria.bend as A
9	
10	# ARIA (RFC 5794), every key size
11	
12	law aria_round_trip:
13	  for k: A.LcAriaKey
14	  for +b: M.CmBlock
15	  {A.LcAria.decrypt(k, A.LcAria.encrypt(k, b)) == b : M.CmBlock}
16	
17	law aria_round_trip_dual:
18	  for k: A.LcAriaKey
19	  for +b: M.CmBlock
20	  {A.LcAria.encrypt(k, A.LcAria.decrypt(k, b)) == b : M.CmBlock}
21	
22	# Vectors: the specification's test values and refusals, proved by
23	# computation (gen/vectors.py)
24	
25	# BEGIN GENERATED by gen/vectors.py: vectors
26	# RFC 5794, Appendix A.1: ARIA-128, key 000102030405060708090A0B0C0D0E0F,
27	# plaintext 00112233445566778899AABBCCDDEEFF, ciphertext
28	# D718FBD6AB644C739DA95F3BE6451778
29	law aria_rfc5794:
30	  {Result.map(&2, &2, L.LcError, A.LcAriaKey, M.CmBlock, k => A.LcAria.encrypt(k, M.CmBlock{1122867, 1146447479, 2291772091, 3437096703}), A.LcAria.key(B.Octets.of_list([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]))) == Done{M.CmBlock{3608738774, 2875477107, 2645122875, 3863287672}} : Result<&2, &2, L.LcError, M.CmBlock>}
31	
32	# an ARIA key of 20 bytes is refused
33	law aria_bad_key_length:
34	  {Result.map(&2, &2, L.LcError, A.LcAriaKey, Unit, k => Unit{}, A.LcAria.key(B.Octets.of_list([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]))) == Fail{L.LcBadKeyLength{20n}} : Result<&2, &2, L.LcError, Unit>}
35	
36	# END GENERATED: vectors