def test_sign_test_key_conversion():
"""
Taken from test vectors in libsodium
"""
keypair_seed = unhexlify(b"421151a459faeade3d247115f94aedae"
b"42318124095afabe4d1451a559faedee")
ed25519_pk, ed25519_sk = c.crypto_sign_seed_keypair(keypair_seed)
assert c.crypto_sign_ed25519_sk_to_pk(ed25519_sk) == ed25519_pk
with pytest.raises(ValueError):
c.crypto_sign_ed25519_sk_to_pk(unhexlify(b"12"))
assert c.crypto_sign_ed25519_sk_to_seed(ed25519_sk) == keypair_seed
with pytest.raises(ValueError):
c.crypto_sign_ed25519_sk_to_seed(unhexlify(b"12"))
curve25519_pk = c.crypto_sign_ed25519_pk_to_curve25519(ed25519_pk)
with pytest.raises(ValueError):
c.crypto_sign_ed25519_pk_to_curve25519(unhexlify(b"12"))
with pytest.raises(ValueError):
c.crypto_sign_ed25519_sk_to_curve25519(unhexlify(b"12"))
curve25519_sk = c.crypto_sign_ed25519_sk_to_curve25519(ed25519_sk)
assert tohex(curve25519_pk) == ("f1814f0e8ff1043d8a44d25babff3ced"
"cae6c22c3edaa48f857ae70de2baae50")
assert tohex(curve25519_sk) == ("8052030376d47112be7f73ed7a019293"
"dd12ad910b654455798b4667d73de166")
def test_sign_test_key_conversion():
"""
Taken from test vectors in libsodium
"""
keypair_seed = unhexlify(b"421151a459faeade3d247115f94aedae"
b"42318124095afabe4d1451a559faedee")
ed25519_pk, ed25519_sk = c.crypto_sign_seed_keypair(keypair_seed)
assert c.crypto_sign_ed25519_sk_to_pk(ed25519_sk) == ed25519_pk
with pytest.raises(ValueError):
c.crypto_sign_ed25519_sk_to_pk(unhexlify(b"12"))
assert c.crypto_sign_ed25519_sk_to_seed(ed25519_sk) == keypair_seed
with pytest.raises(ValueError):
c.crypto_sign_ed25519_sk_to_seed(unhexlify(b"12"))
curve25519_pk = c.crypto_sign_ed25519_pk_to_curve25519(ed25519_pk)
with pytest.raises(ValueError):
c.crypto_sign_ed25519_pk_to_curve25519(unhexlify(b"12"))
with pytest.raises(ValueError):
c.crypto_sign_ed25519_sk_to_curve25519(unhexlify(b"12"))
curve25519_sk = c.crypto_sign_ed25519_sk_to_curve25519(ed25519_sk)
assert tohex(curve25519_pk) == ("f1814f0e8ff1043d8a44d25babff3ced"
"cae6c22c3edaa48f857ae70de2baae50")
assert tohex(curve25519_sk) == ("8052030376d47112be7f73ed7a019293"
"dd12ad910b654455798b4667d73de166")
def test_sign():
seed = b"\x00" * c.crypto_sign_SEEDBYTES
pubkey, secretkey = c.crypto_sign_seed_keypair(seed)
assert len(pubkey) == c.crypto_sign_PUBLICKEYBYTES
assert len(secretkey) == c.crypto_sign_SECRETKEYBYTES
pubkey, secretkey = c.crypto_sign_keypair()
assert len(pubkey) == c.crypto_sign_PUBLICKEYBYTES
assert len(secretkey) == c.crypto_sign_SECRETKEYBYTES
msg = b"message"
sigmsg = c.crypto_sign(msg, secretkey)
assert len(sigmsg) == len(msg) + c.crypto_sign_BYTES
msg2 = c.crypto_sign_open(sigmsg, pubkey)
assert msg2 == msg
def test_sign():
seed = b"\x00" * c.crypto_sign_SEEDBYTES
pubkey, secretkey = c.crypto_sign_seed_keypair(seed)
assert len(pubkey) == c.crypto_sign_PUBLICKEYBYTES
assert len(secretkey) == c.crypto_sign_SECRETKEYBYTES
pubkey, secretkey = c.crypto_sign_keypair()
assert len(pubkey) == c.crypto_sign_PUBLICKEYBYTES
assert len(secretkey) == c.crypto_sign_SECRETKEYBYTES
msg = b"message"
sigmsg = c.crypto_sign(msg, secretkey)
assert len(sigmsg) == len(msg) + c.crypto_sign_BYTES
msg2 = c.crypto_sign_open(sigmsg, pubkey)
assert msg2 == msg
def generate_serval_keys(name):
node_hash = HexEncoder.decode(nacl.hash.sha256(name.encode("utf-8")))
sign_pk, sign_sk = crypto_sign_seed_keypair(node_hash)
box_sk = crypto_sign_ed25519_sk_to_curve25519(sign_sk)
box_pk = crypto_scalarmult_base(box_sk)
rhiz_pk = HexEncoder.decode(nacl.hash.sha256(("rhizome"+name).encode("utf-8")))
keys = {
"sign_pk": HexEncoder.encode(sign_pk).decode("ascii").upper(),
"box_sk": HexEncoder.encode( box_sk).decode("ascii").upper(),
"sign_sk": HexEncoder.encode(sign_sk).decode("ascii").upper(),
"box_pk": HexEncoder.encode( box_pk).decode("ascii").upper(),
"sid": HexEncoder.encode( box_pk).decode("ascii").upper(),
"rhiz_pk": HexEncoder.encode(rhiz_pk).decode("ascii").upper(),
}
return keys
def gen_lisk_addr():
mnemo = Mnemonic('english')
words = mnemo.generate()
hash_object = hashlib.sha256(words)
ed25519_pk, ed25519_sk = c.crypto_sign_seed_keypair(hash_object.digest()) #print hexlify(ed25519_sk)
pk_sha256_dig=hashlib.sha256(ed25519_pk).hexdigest()
n_letter=2
pk_sha256_dig_array = [pk_sha256_dig[i:i+n_letter] for i in range(0, len(pk_sha256_dig), n_letter)] #split into 2 letters array
temp=[]
for x in range(0, 8):
temp.append(pk_sha256_dig_array[7-x])
addr_num="".join(temp)
lisk_addr = str(int(addr_num, 16))+"L"
return lisk_addr, words
def test_sign_ed25519ph_libsodium():
#
_hsk, _hpk, hmsg, _hsig, _hsigmsg = ed25519_known_answers()[-1]
msg = unhexlify(hmsg)
seed = unhexlify(b"421151a459faeade3d247115f94aedae"
b"42318124095afabe4d1451a559faedee")
pk, sk = c.crypto_sign_seed_keypair(seed)
exp_sig = unhexlify(b"10c5411e40bd10170fb890d4dfdb6d33"
b"8c8cb11d2764a216ee54df10977dcdef"
b"d8ff755b1eeb3f16fce80e40e7aafc99"
b"083dbff43d5031baf04157b48423960d")
edph = c.crypto_sign_ed25519ph_state()
c.crypto_sign_ed25519ph_update(edph, msg)
sig = c.crypto_sign_ed25519ph_final_create(edph, sk)
assert sig == exp_sig
edph_incr = c.crypto_sign_ed25519ph_state()
c.crypto_sign_ed25519ph_update(edph_incr, b"")
c.crypto_sign_ed25519ph_update(edph_incr, msg[0:len(msg) // 2])
c.crypto_sign_ed25519ph_update(edph_incr, msg[len(msg) // 2:])
assert c.crypto_sign_ed25519ph_final_verify(edph_incr, exp_sig, pk) is True
with pytest.raises(BadSignatureError):
wrng_sig = flip_byte(exp_sig, 0)
c.crypto_sign_ed25519ph_final_verify(edph_incr, wrng_sig, pk)
with pytest.raises(BadSignatureError):
wrng_mesg = flip_byte(msg, 1022)
edph_wrng = c.crypto_sign_ed25519ph_state()
c.crypto_sign_ed25519ph_update(edph_wrng, wrng_mesg)
c.crypto_sign_ed25519ph_final_verify(edph_wrng, exp_sig, pk)
def test_sign_ed25519ph_libsodium():
#
_hsk, _hpk, hmsg, _hsig, _hsigmsg = ed25519_known_answers()[-1]
msg = unhexlify(hmsg)
seed = unhexlify(b'421151a459faeade3d247115f94aedae'
b'42318124095afabe4d1451a559faedee')
pk, sk = c.crypto_sign_seed_keypair(seed)
exp_sig = unhexlify(b'10c5411e40bd10170fb890d4dfdb6d33'
b'8c8cb11d2764a216ee54df10977dcdef'
b'd8ff755b1eeb3f16fce80e40e7aafc99'
b'083dbff43d5031baf04157b48423960d')
edph = c.crypto_sign_ed25519ph_state()
c.crypto_sign_ed25519ph_update(edph, msg)
sig = c.crypto_sign_ed25519ph_final_create(edph, sk)
assert sig == exp_sig
edph_incr = c.crypto_sign_ed25519ph_state()
c.crypto_sign_ed25519ph_update(edph_incr, b'')
c.crypto_sign_ed25519ph_update(edph_incr, msg[0:len(msg) // 2])
c.crypto_sign_ed25519ph_update(edph_incr, msg[len(msg) // 2:])
assert c.crypto_sign_ed25519ph_final_verify(edph_incr, exp_sig, pk) is True
with pytest.raises(BadSignatureError):
wrng_sig = flip_byte(exp_sig, 0)
c.crypto_sign_ed25519ph_final_verify(edph_incr, wrng_sig, pk)
with pytest.raises(BadSignatureError):
wrng_mesg = flip_byte(msg, 1022)
edph_wrng = c.crypto_sign_ed25519ph_state()
c.crypto_sign_ed25519ph_update(edph_wrng, wrng_mesg)
c.crypto_sign_ed25519ph_final_verify(edph_wrng, exp_sig, pk)
def test_sign_wrong_lengths():
with pytest.raises(ValueError):
c.crypto_sign_seed_keypair(b"")
def test_sign_wrong_lengths():
with pytest.raises(ValueError):
c.crypto_sign_seed_keypair(b"")
def test_public_roundtrip(self, data, seed, f):
pk, sk = sodium.crypto_sign_seed_keypair(seed)
assert protocol.v2_verify(protocol.v2_sign(data, sk, f), pk, f) == (
data,
f,
)
