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xmr: tests for bulletproofs added
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@ph4r05
ph4r05 committed Aug 17, 2018
1 parent 82eef14 commit d2fcb23
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149 changes: 149 additions & 0 deletions tests/test_apps.monero.bulletproof.py
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from common import *

from apps.monero.xmr import bulletproof as bp, common, crypto, monero
from apps.monero.xmr.serialize_messages.tx_rsig_bulletproof import Bulletproof


class TestMoneroBulletproof(unittest.TestCase):
def test_1(self):
pass

def mask_consistency_check(self, bpi):
self.assertEqual(bpi.sL(0), bpi.sL(0))
self.assertEqual(bpi.sL(1), bpi.sL(1))
self.assertEqual(bpi.sL(63), bpi.sL(63))
self.assertNotEqual(bpi.sL(1), bpi.sL(0))

self.assertEqual(bpi.sR(0), bpi.sR(0))
self.assertEqual(bpi.sR(1), bpi.sR(1))
self.assertEqual(bpi.sR(63), bpi.sR(63))
self.assertNotEqual(bpi.sR(1), bpi.sR(0))

self.assertNotEqual(bpi.sL(0), bpi.sR(0))
self.assertNotEqual(bpi.sL(1), bpi.sR(1))
self.assertNotEqual(bpi.sL(63), bpi.sR(63))

bpi.init_vct()
ve1 = bp._ensure_dst_key()
ve2 = bp._ensure_dst_key()
bpi.vector_exponent(bpi.v_aL, bpi.v_aR, ve1)
bpi.vector_exponent(bpi.v_aL, bpi.v_aR, ve2)

bpi.vector_exponent(bpi.v_sL, bpi.v_sR, ve1)
bpi.vector_exponent(bpi.v_sL, bpi.v_sR, ve2)
self.assertEqual(ve1, ve2)

def test_masks(self):
bpi = bp.BulletProofBuilder()
val = crypto.sc_init(123)
mask = crypto.sc_init(432)
bpi.set_input(val, mask)
self.mask_consistency_check(bpi)

# Randomized masks
bpi.use_det_masks = False
self.mask_consistency_check(bpi)

def test_verify(self):
bpi = bp.BulletProofBuilder()

# fmt: off
bp_proof = Bulletproof(
V=[bytes(
[0x67, 0x54, 0xbf, 0x40, 0xcb, 0x45, 0x63, 0x0d, 0x4b, 0xea, 0x08, 0x9e, 0xd7, 0x86, 0xec, 0x3c, 0xe5,
0xbd, 0x4e, 0xed, 0x8f, 0xf3, 0x25, 0x76, 0xae, 0xca, 0xb8, 0x9e, 0xf2, 0x5e, 0x41, 0x16])],
A=bytes(
[0x96, 0x10, 0x17, 0x66, 0x87, 0x7e, 0xef, 0x97, 0xb3, 0x82, 0xfb, 0x8e, 0x0c, 0x2a, 0x93, 0x68, 0x9e,
0x05, 0x22, 0x07, 0xe3, 0x30, 0x94, 0x20, 0x58, 0x6f, 0x5d, 0x01, 0x6d, 0x4e, 0xd5, 0x88]),
S=bytes(
[0x50, 0x51, 0x38, 0x32, 0x96, 0x20, 0x7c, 0xc9, 0x60, 0x4d, 0xac, 0x7c, 0x7c, 0x21, 0xf9, 0xad, 0x1c,
0xc2, 0x2d, 0xee, 0x88, 0x7b, 0xa2, 0xe2, 0x61, 0x81, 0x46, 0xf5, 0x99, 0xc3, 0x12, 0x57]),
T1=bytes(
[0x1a, 0x7d, 0x06, 0x51, 0x41, 0xe6, 0x12, 0xbe, 0xad, 0xd7, 0x68, 0x60, 0x85, 0xfc, 0xc4, 0x86, 0x0b,
0x39, 0x4b, 0x06, 0xf7, 0xca, 0xb3, 0x29, 0xdf, 0x1d, 0xbf, 0x96, 0x5f, 0xbe, 0x8c, 0x87]),
T2=bytes(
[0x57, 0xae, 0x91, 0x04, 0xfa, 0xac, 0xf3, 0x73, 0x75, 0xf2, 0x83, 0xd6, 0x9a, 0xcb, 0xef, 0xe4, 0xfc,
0xe5, 0x37, 0x55, 0x52, 0x09, 0xb5, 0x60, 0x6d, 0xab, 0x46, 0x85, 0x01, 0x23, 0x9e, 0x47]),
taux=bytes(
[0x44, 0x7a, 0x87, 0xd9, 0x5f, 0x1b, 0x17, 0xed, 0x53, 0x7f, 0xc1, 0x4f, 0x91, 0x9b, 0xca, 0x68, 0xce,
0x20, 0x43, 0xc0, 0x88, 0xf1, 0xdf, 0x12, 0x7b, 0xd7, 0x7f, 0xe0, 0x27, 0xef, 0xef, 0x0d]),
mu=bytes(
[0x32, 0xf9, 0xe4, 0xe1, 0xc2, 0xd8, 0xe4, 0xb0, 0x0d, 0x49, 0xd1, 0x02, 0xbc, 0xcc, 0xf7, 0xa2, 0x5a,
0xc7, 0x28, 0xf3, 0x05, 0xb5, 0x64, 0x2e, 0xde, 0xcf, 0x01, 0x61, 0xb8, 0x62, 0xfb, 0x0d]),
L=[
bytes([0xde, 0x71, 0xca, 0x09, 0xf9, 0xd9, 0x1f, 0xa2, 0xae, 0xdf, 0x39, 0x49, 0x04, 0xaa, 0x6b, 0x58,
0x67, 0x9d, 0x61, 0xa6, 0xfa, 0xec, 0x81, 0xf6, 0x4c, 0x15, 0x09, 0x9d, 0x10, 0x21, 0xff, 0x39]),
bytes([0x90, 0x47, 0xbf, 0xf0, 0x1f, 0x72, 0x47, 0x4e, 0xd5, 0x58, 0xfb, 0xc1, 0x16, 0x43, 0xb7, 0xd8,
0xb1, 0x00, 0xa4, 0xa3, 0x19, 0x9b, 0xda, 0x5b, 0x27, 0xd3, 0x6c, 0x5a, 0x87, 0xf8, 0xf0, 0x28]),
bytes([0x03, 0x45, 0xef, 0x57, 0x19, 0x8b, 0xc7, 0x38, 0xb7, 0xcb, 0x9c, 0xe7, 0xe8, 0x23, 0x27, 0xbb,
0xd3, 0x54, 0xcb, 0x38, 0x3c, 0x24, 0x8a, 0x60, 0x11, 0x20, 0x92, 0x99, 0xec, 0x35, 0x71, 0x9f]),
bytes([0x7a, 0xb6, 0x36, 0x42, 0x36, 0x83, 0xf3, 0xa6, 0xc1, 0x24, 0xc5, 0x63, 0xb0, 0x4c, 0x8b, 0xef,
0x7c, 0x77, 0x25, 0x83, 0xa8, 0xbb, 0x8b, 0x57, 0x75, 0x1c, 0xb6, 0xd7, 0xca, 0xc9, 0x0d, 0x78]),
bytes([0x9d, 0x79, 0x66, 0x21, 0x64, 0x72, 0x97, 0x08, 0xa0, 0x5a, 0x94, 0x5a, 0x94, 0x7b, 0x11, 0xeb,
0x4e, 0xe9, 0x43, 0x2f, 0x08, 0xa2, 0x57, 0xa5, 0xd5, 0x99, 0xb0, 0xa7, 0xde, 0x78, 0x80, 0xb7]),
bytes([0x9f, 0x88, 0x5c, 0xa5, 0xeb, 0x08, 0xef, 0x1a, 0xcf, 0xbb, 0x1d, 0x04, 0xc5, 0x47, 0x24, 0x37,
0x49, 0xe4, 0x4e, 0x9c, 0x5d, 0x56, 0xd0, 0x97, 0xfd, 0x8a, 0xe3, 0x23, 0x1d, 0xab, 0x16, 0x03]),
],
R=[
bytes([0xae, 0x89, 0xeb, 0xa8, 0x5b, 0xd5, 0x65, 0xd6, 0x9f, 0x2a, 0xfd, 0x04, 0x66, 0xad, 0xb1, 0xf3,
0x5e, 0xf6, 0x60, 0xa7, 0x26, 0x94, 0x3b, 0x72, 0x5a, 0x5c, 0x80, 0xfa, 0x0f, 0x75, 0x48, 0x27]),
bytes([0xc9, 0x1a, 0x61, 0x70, 0x6d, 0xea, 0xea, 0xb2, 0x42, 0xff, 0x27, 0x3b, 0x8e, 0x94, 0x07, 0x75,
0x40, 0x7d, 0x33, 0xde, 0xfc, 0xbd, 0x53, 0xa0, 0x2a, 0xf9, 0x0c, 0x36, 0xb0, 0xdd, 0xbe, 0x8d]),
bytes([0xb7, 0x39, 0x7a, 0x0e, 0xa1, 0x42, 0x0f, 0x94, 0x62, 0x24, 0xcf, 0x54, 0x75, 0xe3, 0x0b, 0x0f,
0xfb, 0xcb, 0x67, 0x7b, 0xbc, 0x98, 0x36, 0x01, 0x9f, 0x73, 0xa0, 0x70, 0xa1, 0x7e, 0xf0, 0xcf]),
bytes([0x40, 0x06, 0xd4, 0xfa, 0x22, 0x7c, 0x82, 0xbf, 0xe8, 0xe0, 0x35, 0x13, 0x28, 0xa2, 0xb9, 0x51,
0xa3, 0x37, 0x34, 0xc0, 0xa6, 0x43, 0xd6, 0xb7, 0x7a, 0x40, 0xae, 0xf9, 0x36, 0x0e, 0xe3, 0xcc]),
bytes([0x88, 0x38, 0x64, 0xe9, 0x63, 0xe3, 0x33, 0xd9, 0xf6, 0xca, 0x47, 0xc4, 0xc7, 0x36, 0x70, 0x01,
0xd2, 0xe4, 0x8c, 0x9f, 0x25, 0xc2, 0xce, 0xcf, 0x81, 0x89, 0x4f, 0x24, 0xcb, 0xb8, 0x40, 0x73]),
bytes([0xdc, 0x35, 0x65, 0xed, 0x6b, 0xb0, 0xa7, 0x1a, 0x1b, 0xf3, 0xd6, 0xfb, 0x47, 0x00, 0x48, 0x00,
0x20, 0x6d, 0xd4, 0xeb, 0xff, 0xb9, 0xdc, 0x43, 0x30, 0x8a, 0x90, 0xfe, 0x43, 0x74, 0x75, 0x68]),
],
a=bytes(
[0xb4, 0x8e, 0xc2, 0x31, 0xce, 0x05, 0x9a, 0x7a, 0xbc, 0x82, 0x8c, 0x30, 0xb3, 0xe3, 0x80, 0x86, 0x05,
0xb8, 0x4c, 0x93, 0x9a, 0x8e, 0xce, 0x39, 0x0f, 0xb6, 0xee, 0x28, 0xf6, 0x7e, 0xd5, 0x07]),
b=bytes(
[0x47, 0x10, 0x62, 0xc2, 0xad, 0xc7, 0xe2, 0xc9, 0x14, 0x6f, 0xf4, 0xd1, 0xfe, 0x52, 0xa9, 0x1a, 0xe4,
0xb6, 0xd0, 0x25, 0x4b, 0x19, 0x80, 0x7c, 0xcd, 0x62, 0x62, 0x1d, 0x97, 0x20, 0x71, 0x0b]),
t=bytes(
[0x47, 0x06, 0xea, 0x76, 0x8f, 0xdb, 0xa3, 0x15, 0xe0, 0x2c, 0x6b, 0x25, 0xa1, 0xf7, 0x3c, 0xc8, 0x1d,
0x97, 0xa6, 0x52, 0x48, 0x75, 0x37, 0xf9, 0x1e, 0x14, 0xac, 0xb1, 0x2a, 0x34, 0xc6, 0x06])
)
# fmt: on

self.assertTrue(bpi.verify(bp_proof))

def test_prove(self):
bpi = bp.BulletProofBuilder()
val = crypto.sc_init(123)
mask = crypto.sc_init(432)
bpi.set_input(val, mask)
bp_res = bpi.prove()
bpi.verify(bp_res)

try:
bp_res.S[0] += 1
bpi.verify(bp_res)
self.fail("Verification should have failed")
except:
pass

def test_prove_2(self):
bpi = bp.BulletProofBuilder()
val = crypto.sc_init((1 << 30) - 1 + 16)
mask = crypto.random_scalar()
bpi.set_input(val, mask)
bp_res = bpi.prove()
bpi.verify(bp_res)

def test_prove_random_masks(self):
bpi = bp.BulletProofBuilder()
bpi.use_det_masks = False # trully randomly generated mask vectors
val = crypto.sc_init((1 << 30) - 1 + 16)
mask = crypto.random_scalar()
bpi.set_input(val, mask)
bp_res = bpi.prove()
bpi.verify(bp_res)


if __name__ == "__main__":
unittest.main()

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