diff options
Diffstat (limited to 'test/functional/test_framework/crypto')
| -rw-r--r-- | test/functional/test_framework/crypto/secp256k1.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/functional/test_framework/crypto/secp256k1.py b/test/functional/test_framework/crypto/secp256k1.py index 2e9e419da5..50a46dce37 100644 --- a/test/functional/test_framework/crypto/secp256k1.py +++ b/test/functional/test_framework/crypto/secp256k1.py @@ -15,6 +15,8 @@ Exports: * G: the secp256k1 generator point """ +import unittest +from hashlib import sha256 class FE: """Objects of this class represent elements of the field GF(2**256 - 2**32 - 977). @@ -344,3 +346,9 @@ class FastGEMul: # Precomputed table with multiples of G for fast multiplication FAST_G = FastGEMul(G) + +class TestFrameworkSecp256k1(unittest.TestCase): + def test_H(self): + H = sha256(G.to_bytes_uncompressed()).digest() + assert GE.lift_x(FE.from_bytes(H)) is not None + self.assertEqual(H.hex(), "50929b74c1a04954b78b4b6035e97a5e078a5a0f28ec96d547bfee9ace803ac0") |