def test_msgsign_p2pkh_2() -> None:
msg = "test message"
# sigs are taken from (Electrum and) Bitcoin Core
wif = "Ky1XfDK2v6wHPazA6ECaD8UctEoShXdchgABjpU9GWGZDxVRDBMJ"
# compressed
address = "1DAag8qiPLHh6hMFVu9qJQm9ro1HtwuyK5"
exp_sig = "IFqUo4/sxBEFkfK8mZeeN56V13BqOc0D90oPBChF3gTqMXtNSCTN79UxC33kZ8Mi0cHy4zYCnQfCxTyLpMVXKeA="
assert bms.verify(msg, address, exp_sig)
sig = bms.sign(msg, wif, address)
assert bms.verify(msg, address, sig)
assert bms.encode(*sig) == exp_sig.encode()
sig = bms.sign(msg.encode(), wif)
assert bms.verify(msg.encode(), address, sig)
assert bms.encode(*sig) == exp_sig.encode()
wif = "5JDopdKaxz5bXVYXcAnfno6oeSL8dpipxtU1AhfKe3Z58X48srn"
# uncompressed
address = "19f7adDYqhHSJm2v7igFWZAqxXHj1vUa3T"
exp_sig = "HFqUo4/sxBEFkfK8mZeeN56V13BqOc0D90oPBChF3gTqMXtNSCTN79UxC33kZ8Mi0cHy4zYCnQfCxTyLpMVXKeA="
assert bms.verify(msg, address, exp_sig)
sig = bms.sign(msg, wif, address)
assert bms.verify(msg, address, sig)
assert bms.encode(*sig) == exp_sig.encode()
sig = bms.sign(msg.encode(), wif)
assert bms.verify(msg.encode(), address, sig)
assert bms.encode(*sig) == exp_sig.encode()
def test_msgsign_p2pkh_2(self):
msg = 'test message'
# sigs are taken from (Electrum and) Bitcoin Core
# second private key
wif = 'Ky1XfDK2v6wHPazA6ECaD8UctEoShXdchgABjpU9GWGZDxVRDBMJ'
# compressed
address = '1DAag8qiPLHh6hMFVu9qJQm9ro1HtwuyK5'
exp_sig = b'IFqUo4/sxBEFkfK8mZeeN56V13BqOc0D90oPBChF3gTqMXtNSCTN79UxC33kZ8Mi0cHy4zYCnQfCxTyLpMVXKeA='
self.assertTrue(bms.verify(msg, address, exp_sig))
sig = bms.sign(msg, wif, address)
self.assertTrue(bms.verify(msg, address, sig))
self.assertEqual(bms.serialize(*sig), exp_sig)
sig = bms.sign(msg.encode(), wif)
self.assertTrue(bms.verify(msg.encode(), address, sig))
self.assertEqual(bms.serialize(*sig), exp_sig)
wif = '5JDopdKaxz5bXVYXcAnfno6oeSL8dpipxtU1AhfKe3Z58X48srn'
# uncompressed
address = '19f7adDYqhHSJm2v7igFWZAqxXHj1vUa3T'
exp_sig = b'HFqUo4/sxBEFkfK8mZeeN56V13BqOc0D90oPBChF3gTqMXtNSCTN79UxC33kZ8Mi0cHy4zYCnQfCxTyLpMVXKeA='
self.assertTrue(bms.verify(msg, address, exp_sig))
sig = bms.sign(msg, wif, address)
self.assertTrue(bms.verify(msg, address, sig))
self.assertEqual(bms.serialize(*sig), exp_sig)
sig = bms.sign(msg.encode(), wif)
self.assertTrue(bms.verify(msg.encode(), address, sig))
self.assertEqual(bms.serialize(*sig), exp_sig)
def test_one_prvkey_multiple_addresses(self):
msg = "Paolo is afraid of ephemeral random numbers"
# Compressed WIF
wif = b'Kx45GeUBSMPReYQwgXiKhG9FzNXrnCeutJp4yjTd5kKxCitadm3C'
pubkey, network = pubkey_info_from_prvkey(wif)
address1 = p2pkh(pubkey, network)
address2 = p2wpkh_p2sh(pubkey, network)
address3 = p2wpkh(pubkey, network)
# sign with no address (or compressed P2PKH)
sig1 = bms.sign(msg, wif)
# True for Bitcoin Core
self.assertTrue(bms.verify(msg, address1, sig1))
# True for Electrum p2wpkh_p2sh
self.assertTrue(bms.verify(msg, address2, sig1))
# True for Electrum p2wpkh
self.assertTrue(bms.verify(msg, address3, sig1))
# sign with p2wpkh_p2sh address (BIP137)
sig2 = bms.sign(msg, wif, address2)
# False for Bitcoin Core
self.assertFalse(bms.verify(msg, address1, sig2))
# True for BIP137 p2wpkh_p2sh
self.assertTrue(bms.verify(msg, address2, sig2))
# False for BIP137 p2wpkh
self.assertFalse(bms.verify(msg, address3, sig2))
# sign with p2wpkh address (BIP137)
sig3 = bms.sign(msg, wif, address3)
# False for Bitcoin Core
self.assertFalse(bms.verify(msg, address1, sig3))
# False for BIP137 p2wpkh_p2sh
self.assertFalse(bms.verify(msg, address2, sig3))
# True for BIP137 p2wpkh
self.assertTrue(bms.verify(msg, address3, sig3))
# uncompressed WIF / P2PKH address
q, network, _ = prvkey_info_from_prvkey(wif)
wif2 = wif_from_prvkey(q, network, False)
pubkey, network = pubkey_info_from_prvkey(wif2)
address4 = p2pkh(pubkey, network)
# sign with uncompressed P2PKH
sig4 = bms.sign(msg, wif2, address4)
# False for Bitcoin Core compressed p2pkh
self.assertFalse(bms.verify(msg, address1, sig4))
# False for BIP137 p2wpkh_p2sh
self.assertFalse(bms.verify(msg, address2, sig4))
# False for BIP137 p2wpkh
self.assertFalse(bms.verify(msg, address3, sig4))
# True for Bitcoin Core uncompressed p2pkh
self.assertTrue(bms.verify(msg, address4, sig4))
self.assertRaises(ValueError, bms.sign, msg, wif2, address1)
self.assertRaises(ValueError, bms.sign, msg, wif, address4)
def test_signature(self):
msg = 'test message'
wif, addr = bms.gen_keys()
sig = bms.sign(msg, wif)
self.assertTrue(bms.verify(msg, addr, sig))
# sig taken from (Electrum and) Bitcoin Core
wif, addr = bms.gen_keys(
b'5KMWWy2d3Mjc8LojNoj8Lcz9B1aWu8bRofUgGwQk959Dw5h2iyw')
exp_sig = b'G/iew/NhHV9V9MdUEn/LFOftaTy1ivGPKPKyMlr8OSokNC755fAxpSThNRivwTNsyY9vPUDTRYBPc2cmGd5d4y4='
sig = bms.sign(msg, wif)
self.assertEqual(exp_sig, bms.serialize(*sig))
self.assertEqual(sig, bms.deserialize(sig))
self.assertTrue(bms.verify(msg, addr, sig))
def test_msgsign_p2pkh(self):
msg = "test message"
# sigs are taken from (Electrum and) Bitcoin Core
q = "ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb"
# uncompressed
wif1u = wif_from_prvkey(q, "mainnet", False)
self.assertEqual(
wif1u, b"5KMWWy2d3Mjc8LojNoj8Lcz9B1aWu8bRofUgGwQk959Dw5h2iyw")
pubkey1u, _ = pubkeyinfo_from_prvkey(wif1u)
add1u = base58address.p2pkh(pubkey1u)
self.assertEqual(add1u, b"1HUBHMij46Hae75JPdWjeZ5Q7KaL7EFRSD")
sig1u = bms.sign(msg, wif1u)
self.assertTrue(bms.verify(msg, add1u, sig1u))
self.assertEqual(sig1u[0], 27)
exp_sig1u = ("G/iew/NhHV9V9MdUEn/LFOftaTy1ivGPKPKyMlr8OSokNC755fAxpST"
"hNRivwTNsyY9vPUDTRYBPc2cmGd5d4y4=").encode()
self.assertEqual(bms.serialize(*sig1u), exp_sig1u)
# compressed
wif1c = wif_from_prvkey(q, "mainnet", True)
self.assertEqual(
wif1c, b"L41XHGJA5QX43QRG3FEwPbqD5BYvy6WxUxqAMM9oQdHJ5FcRHcGk")
pubkey1c, _ = pubkeyinfo_from_prvkey(wif1c)
add1c = base58address.p2pkh(pubkey1c)
self.assertEqual(add1c, b"14dD6ygPi5WXdwwBTt1FBZK3aD8uDem1FY")
sig1c = bms.sign(msg, wif1c)
self.assertTrue(bms.verify(msg, add1c, sig1c))
self.assertEqual(sig1c[0], 31)
exp_sig1c = ("H/iew/NhHV9V9MdUEn/LFOftaTy1ivGPKPKyMlr8OSokNC755fAxpST"
"hNRivwTNsyY9vPUDTRYBPc2cmGd5d4y4=").encode()
self.assertEqual(bms.serialize(*sig1c), exp_sig1c)
self.assertFalse(bms.verify(msg, add1c, sig1u))
self.assertFalse(bms.verify(msg, add1u, sig1c))
rf, r, s, = sig1c
sig1c_malleated_rf = bms.serialize(rf + 1, r, s)
self.assertFalse(bms.verify(msg, add1c, sig1c_malleated_rf))
sig1c_malleated_s = bms.serialize(rf, r, ec.n - s)
self.assertFalse(bms.verify(msg, add1c, sig1c_malleated_s))
sig1c_malleated_rf_s = bms.serialize(rf + 1, r, ec.n - s)
self.assertTrue(bms.verify(msg, add1c, sig1c_malleated_rf_s))
def test_sign_strippable_message() -> None:
wif = "Ky1XfDK2v6wHPazA6ECaD8UctEoShXdchgABjpU9GWGZDxVRDBMJ"
address = "1DAag8qiPLHh6hMFVu9qJQm9ro1HtwuyK5"
msg = ""
exp_sig = "IFh0InGTy8lLCs03yoUIpJU6MUbi0La/4abhVxyKcCsoUiF3RM7lg51rCqyoOZ8Yt43h8LZrmj7nwwO3HIfesiw="
assert bms.verify(msg, address, exp_sig)
sig = bms.sign(msg, wif)
assert bms.verify(msg, address, sig)
assert bms.encode(*sig) == exp_sig.encode()
# Bitcoin Core exp_sig (Electrum does strip leading/trailing spaces)
msg = " "
exp_sig = "IEveV6CMmOk5lFP+oDbw8cir/OkhJn4S767wt+YwhzHnEYcFOb/uC6rrVmTtG3M43mzfObA0Nn1n9CRcv5IGyak="
assert bms.verify(msg, address, exp_sig)
sig = bms.sign(msg, wif)
assert bms.verify(msg, address, sig)
assert bms.encode(*sig) == exp_sig.encode()
# Bitcoin Core exp_sig (Electrum does strip leading/trailing spaces)
msg = " "
exp_sig = "H/QjF1V4fVI8IHX8ko0SIypmb0yxfaZLF0o56Cif9z8CX24n4petTxolH59pYVMvbTKQkGKpznSiPiQVn83eJF0="
assert bms.verify(msg, address, exp_sig)
sig = bms.sign(msg, wif)
assert bms.verify(msg, address, sig)
assert bms.encode(*sig) == exp_sig.encode()
msg = "test"
exp_sig = "IJUtN/2LZjh1Vx8Ekj9opnIKA6ohKhWB95PLT/3EFgLnOu9hTuYX4+tJJ60ZyddFMd6dgAYx15oP+jLw2NzgNUo="
assert bms.verify(msg, address, exp_sig)
sig = bms.sign(msg, wif)
assert bms.verify(msg, address, sig)
assert bms.encode(*sig) == exp_sig.encode()
# Bitcoin Core exp_sig (Electrum does strip leading/trailing spaces)
msg = " test "
exp_sig = "IA59z13/HBhvMMJtNwT6K7vJByE40lQUdqEMYhX2tnZSD+IGQIoBGE+1IYGCHCyqHvTvyGeqJTUx5ywb4StuX0s="
assert bms.verify(msg, address, exp_sig)
sig = bms.sign(msg, wif)
assert bms.verify(msg, address, sig)
assert bms.encode(*sig) == exp_sig.encode()
# Bitcoin Core exp_sig (Electrum does strip leading/trailing spaces)
msg = "test "
exp_sig = "IPp9l2w0LVYB4FYKBahs+k1/Oa08j+NTuzriDpPWnWQmfU0+UsJNLIPI8Q/gekrWPv6sDeYsFSG9VybUKDPGMuo="
assert bms.verify(msg, address, exp_sig)
sig = bms.sign(msg, wif)
assert bms.verify(msg, address, sig)
assert bms.encode(*sig) == exp_sig.encode()
# Bitcoin Core exp_sig (Electrum does strip leading/trailing spaces)
msg = " test"
exp_sig = "H1nGwD/kcMSmsYU6qihV2l2+Pa+7SPP9zyViZ59VER+QL9cJsIAtu1CuxfYDAVt3kgr4t3a/Es3PV82M6z0eQAo="
assert bms.verify(msg, address, exp_sig)
sig = bms.sign(msg, wif)
assert bms.verify(msg, address, sig)
assert bms.encode(*sig) == exp_sig.encode()
def test_msgsign_p2pkh(self):
msg = 'test message'
# sigs are taken from (Electrum and) Bitcoin Core
# first private key
q1 = 91634880152443617534842621287039938041581081254914058002978601050179556493499
# uncompressed
wif1u = wif_from_prvkey(q1, 'mainnet', False)
self.assertEqual(
wif1u, b'5KMWWy2d3Mjc8LojNoj8Lcz9B1aWu8bRofUgGwQk959Dw5h2iyw')
pubkey1u, _ = pubkey_info_from_prvkey(wif1u)
add1u = base58address.p2pkh(pubkey1u)
self.assertEqual(add1u, b'1HUBHMij46Hae75JPdWjeZ5Q7KaL7EFRSD')
sig1u = bms.sign(msg, wif1u)
self.assertTrue(bms.verify(msg, add1u, sig1u))
self.assertEqual(sig1u[0], 27)
exp_sig1u = b'G/iew/NhHV9V9MdUEn/LFOftaTy1ivGPKPKyMlr8OSokNC755fAxpSThNRivwTNsyY9vPUDTRYBPc2cmGd5d4y4='
self.assertEqual(bms.serialize(*sig1u), exp_sig1u)
# compressed
wif1c = wif_from_prvkey(q1, 'mainnet', True)
self.assertEqual(
wif1c, b'L41XHGJA5QX43QRG3FEwPbqD5BYvy6WxUxqAMM9oQdHJ5FcRHcGk')
pubkey1c, _ = pubkey_info_from_prvkey(wif1c)
add1c = base58address.p2pkh(pubkey1c)
self.assertEqual(add1c, b'14dD6ygPi5WXdwwBTt1FBZK3aD8uDem1FY')
sig1c = bms.sign(msg, wif1c)
self.assertTrue(bms.verify(msg, add1c, sig1c))
self.assertEqual(sig1c[0], 31)
exp_sig1c = b'H/iew/NhHV9V9MdUEn/LFOftaTy1ivGPKPKyMlr8OSokNC755fAxpSThNRivwTNsyY9vPUDTRYBPc2cmGd5d4y4='
self.assertEqual(bms.serialize(*sig1c), exp_sig1c)
self.assertFalse(bms.verify(msg, add1c, sig1u))
self.assertFalse(bms.verify(msg, add1u, sig1c))
rf, r, s, = sig1c
sig1c_malleated_rf = bms.serialize(rf + 1, r, s)
self.assertFalse(bms.verify(msg, add1c, sig1c_malleated_rf))
sig1c_malleated_s = bms.serialize(rf, r, ec.n - s)
self.assertFalse(bms.verify(msg, add1c, sig1c_malleated_s))
sig1c_malleated_rf_s = bms.serialize(rf + 1, r, ec.n - s)
self.assertTrue(bms.verify(msg, add1c, sig1c_malleated_rf_s))
def test_signature() -> None:
msg = "test message"
wif, addr = bms.gen_keys()
sig = bms.sign(msg, wif)
assert bms.verify(msg, addr, sig)
assert sig == bms.decode(sig)
# sig taken from (Electrum and) Bitcoin Core
wif, addr = bms.gen_keys(
"5KMWWy2d3Mjc8LojNoj8Lcz9B1aWu8bRofUgGwQk959Dw5h2iyw")
sig = bms.sign(msg, wif)
assert bms.verify(msg, addr, sig)
exp_sig = "G/iew/NhHV9V9MdUEn/LFOftaTy1ivGPKPKyMlr8OSokNC755fAxpSThNRivwTNsyY9vPUDTRYBPc2cmGd5d4y4="
assert bms.encode(*sig) == exp_sig.encode()
# not encoded base64 signature string
bms.assert_as_valid(msg, addr, exp_sig)
# encoded base64 signature string
bms.assert_as_valid(msg, addr, exp_sig.encode())
def test_segwit(self):
msg = "test"
wif = "L4xAvhKR35zFcamyHME2ZHfhw5DEyeJvEMovQHQ7DttPTM8NLWCK"
pubkey, _ = pubkeyinfo_from_prvkey(wif)
p2pkh = base58address.p2pkh(pubkey)
p2wpkh = bech32address.p2wpkh(pubkey)
p2wpkh_p2sh = base58address.p2wpkh_p2sh(pubkey)
# p2pkh base58 address (Core, Electrum, BIP137)
exp_sig = ("IBFyn+h9m3pWYbB4fBFKlRzBD4eJKojgCIZSNdhLKKHPSV2/WkeV7R7IO"
"I0dpo3uGAEpCz9eepXLrA5kF35MXuU=").encode()
self.assertTrue(bms.verify(msg, p2pkh, exp_sig))
sig = bms.sign(msg, wif) # no address: p2pkh assumed
self.assertTrue(bms.verify(msg, p2pkh, sig))
self.assertEqual(bms.serialize(*sig), exp_sig)
# p2wpkh-p2sh base58 address (Electrum)
self.assertTrue(bms.verify(msg, p2wpkh_p2sh, sig))
# p2wpkh bech32 address (Electrum)
self.assertTrue(bms.verify(msg, p2wpkh, sig))
# p2wpkh-p2sh base58 address (BIP137)
# different first letter in sig because of different rf
exp_sig = ("JBFyn+h9m3pWYbB4fBFKlRzBD4eJKojgCIZSNdhLKKHPSV2/WkeV7R7IO"
"I0dpo3uGAEpCz9eepXLrA5kF35MXuU=").encode()
self.assertTrue(bms.verify(msg, p2wpkh_p2sh, exp_sig))
sig = bms.sign(msg, wif, p2wpkh_p2sh)
self.assertTrue(bms.verify(msg, p2wpkh_p2sh, sig))
self.assertEqual(bms.serialize(*sig), exp_sig)
# p2wpkh bech32 address (BIP137)
# different first letter in sig because of different rf
exp_sig = ("KBFyn+h9m3pWYbB4fBFKlRzBD4eJKojgCIZSNdhLKKHPSV2/WkeV7R7IO"
"I0dpo3uGAEpCz9eepXLrA5kF35MXuU=").encode()
self.assertTrue(bms.verify(msg, p2wpkh, exp_sig))
sig = bms.sign(msg, wif, p2wpkh)
self.assertTrue(bms.verify(msg, p2wpkh, sig))
self.assertEqual(bms.serialize(*sig), exp_sig)
def test_msgsign_p2pkh() -> None:
msg = "test message"
# sigs are taken from (Electrum and) Bitcoin Core
q = "ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb"
# uncompressed
wif1u = wif_from_prvkey(q, "mainnet", False)
assert wif1u == b"5KMWWy2d3Mjc8LojNoj8Lcz9B1aWu8bRofUgGwQk959Dw5h2iyw"
add1u = base58address.p2pkh(wif1u)
assert add1u == b"1HUBHMij46Hae75JPdWjeZ5Q7KaL7EFRSD"
sig1u = bms.sign(msg, wif1u)
assert bms.verify(msg, add1u, sig1u)
assert sig1u[0] == 27
exp_sig1u = "G/iew/NhHV9V9MdUEn/LFOftaTy1ivGPKPKyMlr8OSokNC755fAxpSThNRivwTNsyY9vPUDTRYBPc2cmGd5d4y4="
assert bms.encode(*sig1u) == exp_sig1u.encode()
# compressed
wif1c = wif_from_prvkey(q, "mainnet", True)
assert wif1c == b"L41XHGJA5QX43QRG3FEwPbqD5BYvy6WxUxqAMM9oQdHJ5FcRHcGk"
add1c = base58address.p2pkh(wif1c)
assert add1c == b"14dD6ygPi5WXdwwBTt1FBZK3aD8uDem1FY"
sig1c = bms.sign(msg, wif1c)
assert bms.verify(msg, add1c, sig1c)
assert sig1c[0] == 31
exp_sig1c = "H/iew/NhHV9V9MdUEn/LFOftaTy1ivGPKPKyMlr8OSokNC755fAxpSThNRivwTNsyY9vPUDTRYBPc2cmGd5d4y4="
assert bms.encode(*sig1c) == exp_sig1c.encode()
assert not bms.verify(msg, add1c, sig1u)
assert not bms.verify(msg, add1u, sig1c)
rf, r, s = sig1c
sig1c_malleated_rf = bms.encode(rf + 1, r, s)
assert not bms.verify(msg, add1c, sig1c_malleated_rf)
sig1c_malleated_s = bms.encode(rf, r, ec.n - s)
assert not bms.verify(msg, add1c, sig1c_malleated_s)
sig1c_malleated_rf_s = bms.encode(rf + 1, r, ec.n - s)
assert bms.verify(msg, add1c, sig1c_malleated_rf_s)
def test_segwit() -> None:
msg = "test"
wif = "L4xAvhKR35zFcamyHME2ZHfhw5DEyeJvEMovQHQ7DttPTM8NLWCK"
b58_p2pkh = base58address.p2pkh(wif)
b58_p2wpkh = bech32address.p2wpkh(wif)
b58_p2wpkh_p2sh = base58address.p2wpkh_p2sh(wif)
# p2pkh base58 address (Core, Electrum, BIP137)
exp_sig = "IBFyn+h9m3pWYbB4fBFKlRzBD4eJKojgCIZSNdhLKKHPSV2/WkeV7R7IOI0dpo3uGAEpCz9eepXLrA5kF35MXuU="
assert bms.verify(msg, b58_p2pkh, exp_sig)
sig = bms.sign(msg, wif) # no address: p2pkh assumed
assert bms.verify(msg, b58_p2pkh, sig)
assert bms.encode(*sig) == exp_sig.encode()
# p2wpkh-p2sh base58 address (Electrum)
assert bms.verify(msg, b58_p2wpkh_p2sh, sig)
# p2wpkh bech32 address (Electrum)
assert bms.verify(msg, b58_p2wpkh, sig)
# p2wpkh-p2sh base58 address (BIP137)
# different first letter in sig because of different rf
exp_sig = "JBFyn+h9m3pWYbB4fBFKlRzBD4eJKojgCIZSNdhLKKHPSV2/WkeV7R7IOI0dpo3uGAEpCz9eepXLrA5kF35MXuU="
assert bms.verify(msg, b58_p2wpkh_p2sh, exp_sig)
sig = bms.sign(msg, wif, b58_p2wpkh_p2sh)
assert bms.verify(msg, b58_p2wpkh_p2sh, sig)
assert bms.encode(*sig) == exp_sig.encode()
# p2wpkh bech32 address (BIP137)
# different first letter in sig because of different rf
exp_sig = "KBFyn+h9m3pWYbB4fBFKlRzBD4eJKojgCIZSNdhLKKHPSV2/WkeV7R7IOI0dpo3uGAEpCz9eepXLrA5kF35MXuU="
assert bms.verify(msg, b58_p2wpkh, exp_sig)
sig = bms.sign(msg, wif, b58_p2wpkh)
assert bms.verify(msg, b58_p2wpkh, sig)
assert bms.encode(*sig) == exp_sig.encode()
def test_vector_python_bitcoinlib(self):
"""Test python-bitcoinlib test vectors
https://github.com/petertodd/python-bitcoinlib/blob/master/bitcoin/tests/test_data/bms.json
"""
fname = "bms.json"
filename = path.join(path.dirname(__file__), "test_data", fname)
with open(filename, "r") as f:
test_vectors = json.load(f)
for vector in test_vectors[:5]:
msg = vector["address"]
tuplesig = bms.sign(msg, vector["wif"])
self.assertTrue(bms.verify(msg, vector["address"], tuplesig))
b64sig = bms.serialize(*tuplesig)
self.assertTrue(bms.verify(msg, vector["address"], b64sig))
self.assertTrue(
bms.verify(msg, vector["address"], vector["signature"]))
# python-bitcoinlib has a signature different from the
# one generated by Core/Electrum/btclib (which are identical)
self.assertNotEqual(b64sig.decode(), vector["signature"])
# python-bitcoinlib does not use RFC6979 deterministic nonce
# as proved by different r compared to Core/Electrum/btclib
rf, r, s = tuplesig
_, r0, _ = bms.deserialize(vector["signature"])
self.assertNotEqual(r, r0)
# while Core/Electrum/btclib use "low-s" canonical signature
self.assertLess(s, ec.n - s)
# this is not true for python-bitcoinlib
# self.assertLess(s0, ec.n - s0)
# self.assertGreater(s0, ec.n - s0)
# just in case you wonder, here's the malleated signature
rf += 1 if rf == 31 else -1
tuplesig_malleated = rf, r, ec.n - s
self.assertTrue(
bms.verify(msg, vector["address"], tuplesig_malleated))
b64sig_malleated = bms.serialize(*tuplesig_malleated)
self.assertTrue(
bms.verify(msg, vector["address"], b64sig_malleated))
# of course,
# it is not equal to the python-bitcoinlib one (different r)
self.assertNotEqual(b64sig_malleated.decode(), vector["signature"])
print("valid ECDSA sig:", dsa_valid)
# ECSSA
print("\n ECSSA")
ssa_prv, ssa_pub = ssa.gen_keys()
print("prv", hex(ssa_prv))
print("pub", hex(ssa_pub))
ssa_sig = ssa.sign(msg, ssa_prv)
print("r:", hex(ssa_sig[0]))
print("s:", hex(ssa_sig[1]))
ssa_valid = ssa.verify(msg, ssa_pub, ssa_sig)
print("valid ECSSA sig:", ssa_valid)
# ECBMS
print("\n ECBMS")
bms_prv, bms_pub = bms.gen_keys()
print("prv", bms_prv)
print("pub", bms_pub)
bms_sig = bms.sign(msg, bms_prv)
print("rf:", hex(bms_sig[0]))
print("r:", hex(bms_sig[1]))
print("s:", hex(bms_sig[2]))
bms_valid = bms.verify(msg, bms_pub, bms_sig)
print("valid ECBMS sig:", bms_valid)
print("\n0. Message:", msg)
wif = b"Kx45GeUBSMPReYQwgXiKhG9FzNXrnCeutJp4yjTd5kKxCitadm3C"
print("1. Compressed WIF:", wif.decode())
pubkey, network = pubkeyinfo_from_prvkey(wif)
print("2. Addresses")
address1 = p2pkh(pubkey)
print(" p2pkh:", address1.decode())
address2 = p2wpkh_p2sh(pubkey)
print("p2wpkh_p2sh:", address2.decode())
address3 = p2wpkh(pubkey)
print(" p2wpkh:", address3.decode())
print("\n3. Sign message with no address (or with compressed p2pkh address):")
sig1 = sign(msg, wif)
print(f"rf1: {sig1[0]}")
print(f" r1: {hex(sig1[1]).upper()}")
print(f" s1: {hex(sig1[2]).upper()}")
bsmsig1 = encode(*sig1)
print("4. Serialized signature:")
print(bsmsig1.decode())
print("5. Verify signature")
print("Bitcoin Core p2pkh :", verify(msg, address1, sig1))
print("Electrum p2wpkh_p2sh:", verify(msg, address2, sig1))
print("Electrum p2wpkh :", verify(msg, address3, sig1))
print("\n3. Sign message with p2wpkh_p2sh address (BIP137):")
sig2 = sign(msg, wif, address2)
def test_ledger() -> None:
"""Hybrid ECDSA Bitcoin message signature generated by Ledger"""
mnemonic = (
"barely sun snack this snack relief pipe attack disease boss enlist lawsuit"
)
# non-standard leading 31 in DER serialization
derivation_path = "m/1"
msg = b"\xfb\xa3\x1f\x8cd\x85\xe29#K\xb3{\xfd\xa7<?\x95oL\xee\x19\xb2'oh\xa7]\xd9A\xfeU\xd8"
dersig_hex_str = "3144022012ec0c174936c2a46dc657252340b2e6e6dd8c31dd059b6f9f33a90c21af2fba022030e6305b3ccf88009d419bf7651afcfcc0a30898b93ae9de9aa6ac03cf8ec56b"
# pubkey derivation
rprv = bip32.mxprv_from_bip39_mnemonic(mnemonic)
xprv = bip32.derive(rprv, derivation_path)
# the actual message being signed
magic_msg = bms._magic_message(msg)
# save key_id and patch dersig
dersig = bytes.fromhex(dersig_hex_str)
key_id = dersig[0]
dersig = b"\x30" + dersig[1:]
r, s = dsa.deserialize(dersig)
# ECDSA signature verification of the patched dersig
dsa.assert_as_valid(magic_msg, xprv, dersig, ec, hf)
assert dsa.verify(magic_msg, xprv, dersig)
# compressed address
addr = base58address.p2pkh(xprv)
# equivalent Bitcoin Message Signature (non-serialized)
rec_flag = 27 + 4 + (key_id & 0x01)
btcmsgsig = (rec_flag, r, s)
# Bitcoin Message Signature verification
bms.assert_as_valid(msg, addr, btcmsgsig)
assert bms.verify(msg, addr, btcmsgsig)
assert not bms.verify(magic_msg, addr, btcmsgsig)
bms.sign(msg, xprv)
# standard leading 30 in DER serialization
derivation_path = "m/0/0"
msg_str = "hello world"
dersig_hex_str = "3045022100967dac3262b4686e89638c8219c5761017f05cd87a855edf034f4a3ec6b59d3d0220108a4ef9682b71a45979d8c75c393382d9ccb8eb561d73b8c5fc0b87a47e7d27"
# pubkey derivation
rprv = bip32.mxprv_from_bip39_mnemonic(mnemonic)
xprv = bip32.derive(rprv, derivation_path)
# the actual message being signed
magic_msg = bms._magic_message(msg_str)
# save key_id and patch dersig
dersig = bytes.fromhex(dersig_hex_str)
key_id = dersig[0]
dersig = b"\x30" + dersig[1:]
r, s = dsa.deserialize(dersig)
# ECDSA signature verification of the patched dersig
dsa.assert_as_valid(magic_msg, xprv, dersig, ec, hf)
assert dsa.verify(magic_msg, xprv, dersig)
# compressed address
addr = base58address.p2pkh(xprv)
# equivalent Bitcoin Message Signature (non-serialized)
rec_flag = 27 + 4 + (key_id & 0x01)
btcmsgsig = (rec_flag, r, s)
# Bitcoin Message Signature verification
bms.assert_as_valid(msg_str, addr, btcmsgsig)
assert bms.verify(msg_str, addr, btcmsgsig)
assert not bms.verify(magic_msg, addr, btcmsgsig)
def test_one_prvkey_multiple_addresses() -> None:
msg = "Paolo is afraid of ephemeral random numbers"
# Compressed WIF
wif = b"Kx45GeUBSMPReYQwgXiKhG9FzNXrnCeutJp4yjTd5kKxCitadm3C"
addr_p2pkh_compressed = p2pkh(wif)
addr_p2wpkh_p2sh = p2wpkh_p2sh(wif)
addr_p2wpkh = p2wpkh(wif)
# sign with no address
sig1 = bms.sign(msg, wif)
# True for Bitcoin Core
bms.assert_as_valid(msg, addr_p2pkh_compressed, sig1)
assert bms.verify(msg, addr_p2pkh_compressed, sig1)
# True for Electrum p2wpkh_p2sh
bms.assert_as_valid(msg, addr_p2wpkh_p2sh, sig1)
assert bms.verify(msg, addr_p2wpkh_p2sh, sig1)
# True for Electrum p2wpkh
bms.assert_as_valid(msg, addr_p2wpkh, sig1)
assert bms.verify(msg, addr_p2wpkh, sig1)
# sign with no p2pkh address
sig1 = bms.sign(msg, wif, addr_p2pkh_compressed)
# True for Bitcoin Core
bms.assert_as_valid(msg, addr_p2pkh_compressed, sig1)
assert bms.verify(msg, addr_p2pkh_compressed, sig1)
# True for Electrum p2wpkh_p2sh
bms.assert_as_valid(msg, addr_p2wpkh_p2sh, sig1)
assert bms.verify(msg, addr_p2wpkh_p2sh, sig1)
# True for Electrum p2wpkh
bms.assert_as_valid(msg, addr_p2wpkh, sig1)
assert bms.verify(msg, addr_p2wpkh, sig1)
err_msg = "invalid recovery flag: "
# sign with p2wpkh_p2sh address (BIP137)
sig2 = bms.sign(msg, wif, addr_p2wpkh_p2sh)
# False for Bitcoin Core
with pytest.raises(BTClibValueError, match=err_msg):
bms.assert_as_valid(msg, addr_p2pkh_compressed, sig2)
assert not bms.verify(msg, addr_p2pkh_compressed, sig2)
# True for BIP137 p2wpkh_p2sh
bms.assert_as_valid(msg, addr_p2wpkh_p2sh, sig2)
assert bms.verify(msg, addr_p2wpkh_p2sh, sig2)
# False for BIP137 p2wpkh
with pytest.raises(BTClibValueError, match=err_msg):
bms.assert_as_valid(msg, addr_p2wpkh, sig2)
assert not bms.verify(msg, addr_p2wpkh, sig2)
# sign with p2wpkh address (BIP137)
sig3 = bms.sign(msg, wif, addr_p2wpkh)
# False for Bitcoin Core
with pytest.raises(BTClibValueError, match=err_msg):
bms.assert_as_valid(msg, addr_p2pkh_compressed, sig3)
assert not bms.verify(msg, addr_p2pkh_compressed, sig3)
# False for BIP137 p2wpkh_p2sh
with pytest.raises(BTClibValueError, match=err_msg):
bms.assert_as_valid(msg, addr_p2wpkh_p2sh, sig3)
assert not bms.verify(msg, addr_p2wpkh_p2sh, sig3)
# True for BIP137 p2wpkh
bms.assert_as_valid(msg, addr_p2wpkh, sig3)
assert bms.verify(msg, addr_p2wpkh, sig3)
# uncompressed WIF / p2pkh address
q, network, _ = prvkeyinfo_from_prvkey(wif)
wif2 = wif_from_prvkey(q, network, False)
addr_p2pkh_uncompressed = p2pkh(wif2)
# sign with uncompressed p2pkh
sig4 = bms.sign(msg, wif2, addr_p2pkh_uncompressed)
# False for Bitcoin Core compressed p2pkh
with pytest.raises(BTClibValueError, match="wrong p2pkh address: "):
bms.assert_as_valid(msg, addr_p2pkh_compressed, sig4)
assert not bms.verify(msg, addr_p2pkh_compressed, sig4)
# False for BIP137 p2wpkh_p2sh
# FIXME: puzzling error message
# it should have been "wrong p2wpkh-p2sh address: "
with pytest.raises(BTClibValueError, match="wrong p2pkh address: "):
bms.assert_as_valid(msg, addr_p2wpkh_p2sh, sig4)
assert not bms.verify(msg, addr_p2wpkh_p2sh, sig4)
# False for BIP137 p2wpkh
with pytest.raises(BTClibValueError, match=err_msg):
bms.assert_as_valid(msg, addr_p2wpkh, sig4)
assert not bms.verify(msg, addr_p2wpkh, sig4)
# True for Bitcoin Core uncompressed p2pkh
bms.assert_as_valid(msg, addr_p2pkh_uncompressed, sig4)
assert bms.verify(msg, addr_p2pkh_uncompressed, sig4)
# unrelated different wif
wif3 = b"KwdMAjGmerYanjeui5SHS7JkmpZvVipYvB2LJGU1ZxJwYvP98617"
addr_p2pkh_compressed = p2pkh(wif3)
addr_p2wpkh_p2sh = p2wpkh_p2sh(wif3)
addr_p2wpkh = p2wpkh(wif3)
# False for Bitcoin Core compressed p2pkh
with pytest.raises(BTClibValueError, match="wrong p2pkh address: "):
bms.assert_as_valid(msg, addr_p2pkh_compressed, sig1)
assert not bms.verify(msg, addr_p2pkh_compressed, sig1)
# False for BIP137 p2wpkh_p2sh
with pytest.raises(BTClibValueError, match="wrong p2wpkh-p2sh address: "):
bms.assert_as_valid(msg, addr_p2wpkh_p2sh, sig1)
assert not bms.verify(msg, addr_p2wpkh_p2sh, sig1)
# False for BIP137 p2wpkh
with pytest.raises(BTClibValueError, match="wrong p2wpkh address: "):
bms.assert_as_valid(msg, addr_p2wpkh, sig1)
assert not bms.verify(msg, addr_p2wpkh, sig1)
# FIXME: puzzling error message
err_msg = "not a private or compressed public key for mainnet: "
with pytest.raises(BTClibValueError, match=err_msg):
bms.sign(msg, wif2, addr_p2pkh_compressed)
err_msg = "mismatch between private key and address"
with pytest.raises(BTClibValueError, match=err_msg):
bms.sign(msg, wif, addr_p2pkh_uncompressed)
def test_exceptions() -> None:
msg = "test"
wif = "KwELaABegYxcKApCb3kJR9ymecfZZskL9BzVUkQhsqFiUKftb4tu"
address = base58address.p2pkh(wif)
exp_sig = "IHdKsFF1bUrapA8GMoQUbgI+Ad0ZXyX1c/yAZHmJn5hSNBi7J+TrI1615FG3g9JEOPGVvcfDWIFWrg2exLNtoVc="
assert bms.verify(msg, address, exp_sig)
_, r, s = bms.decode(exp_sig)
err_msg = "invalid recovery flag: "
with pytest.raises(BTClibValueError, match=err_msg):
bms.encode(26, r, s)
exp_sig = "IHdKsFF1bUrapA8GMoQUbgI+Ad0ZXyX1c/yAZHmJn5hNBi7J+TrI1615FG3g9JEOPGVvcfDWIFWrg2exLoVc="
err_msg = "wrong signature length: "
with pytest.raises(BTClibValueError, match=err_msg):
bms.assert_as_valid(msg, address, exp_sig)
assert not bms.verify(msg, address, exp_sig)
exp_sig = "GpNLHqEKSzwXV+KwwBfQthQ848mn5qSkmGDXpqshDuPYJELOnSuRYGQQgBR4PpI+w2tJdD4v+hxElvAaUSqv2eU="
err_msg = "invalid recovery flag: "
with pytest.raises(BTClibValueError, match=err_msg):
bms.assert_as_valid(msg, address, exp_sig)
assert not bms.verify(msg, address, exp_sig)
exp_sig = "QpNLHqEKSzwXV+KwwBfQthQ848mn5qSkmGDXpqshDuPYJELOnSuRYGQQgBR4PpI+w2tJdD4v+hxElvAaUSqv2eU="
with pytest.raises(BTClibValueError, match=err_msg):
bms.assert_as_valid(msg, address, exp_sig)
assert not bms.verify(msg, address, exp_sig)
# compressed wif, uncompressed address
wif = "Ky1XfDK2v6wHPazA6ECaD8UctEoShXdchgABjpU9GWGZDxVRDBMJ"
address = b"19f7adDYqhHSJm2v7igFWZAqxXHj1vUa3T"
err_msg = "mismatch between private key and address"
with pytest.raises(BTClibValueError, match=err_msg):
bms.sign(msg, wif, address)
# uncompressed wif, compressed address
wif = "5JDopdKaxz5bXVYXcAnfno6oeSL8dpipxtU1AhfKe3Z58X48srn"
address = b"1DAag8qiPLHh6hMFVu9qJQm9ro1HtwuyK5"
err_msg = "not a private or compressed public key for mainnet: "
# FIXME puzzling error message
with pytest.raises(BTClibValueError, match=err_msg):
bms.sign(msg, wif, address)
msg = "test"
wif = "L4xAvhKR35zFcamyHME2ZHfhw5DEyeJvEMovQHQ7DttPTM8NLWCK"
b58_p2pkh = base58address.p2pkh(wif)
b58_p2wpkh = bech32address.p2wpkh(wif)
b58_p2wpkh_p2sh = base58address.p2wpkh_p2sh(wif)
wif = "Ky1XfDK2v6wHPazA6ECaD8UctEoShXdchgABjpU9GWGZDxVRDBMJ"
err_msg = "mismatch between private key and address"
with pytest.raises(BTClibValueError, match=err_msg):
bms.sign(msg, wif, b58_p2pkh)
with pytest.raises(BTClibValueError, match=err_msg):
bms.sign(msg, wif, b58_p2wpkh)
with pytest.raises(BTClibValueError, match=err_msg):
bms.sign(msg, wif, b58_p2wpkh_p2sh)
# Invalid recovery flag (39) for base58 address
exp_sig = "IHdKsFF1bUrapA8GMoQUbgI+Ad0ZXyX1c/yAZHmJn5hSNBi7J+TrI1615FG3g9JEOPGVvcfDWIFWrg2exLNtoVc="
_, r, s = bms.decode(exp_sig)
sig = bms.encode(39, r, s)
err_msg = "invalid recovery flag: "
with pytest.raises(BTClibValueError, match=err_msg):
bms.assert_as_valid(msg, b58_p2pkh, sig)
# Invalid recovery flag (35) for bech32 address
exp_sig = "IBFyn+h9m3pWYbB4fBFKlRzBD4eJKojgCIZSNdhLKKHPSV2/WkeV7R7IOI0dpo3uGAEpCz9eepXLrA5kF35MXuU="
_, r, s = bms.decode(exp_sig)
sig = bms.encode(35, r, s)
err_msg = "invalid recovery flag: "
with pytest.raises(BTClibValueError, match=err_msg):
bms.assert_as_valid(msg, b58_p2wpkh, sig)
