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ecc: use libsecp256k1 for pubkey recovery (from sig and msg)

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SomberNight
2020-02-06 20:44:46 +01:00
parent ab0c70e291
commit 288d793893
3 changed files with 42 additions and 182 deletions
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6
electrum/ecc_fast.py
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@@ -91,6 +91,12 @@ def load_library():
secp256k1.secp256k1_ec_pubkey_combine.argtypes = [c_void_p, c_char_p, c_void_p, c_size_t]
secp256k1.secp256k1_ec_pubkey_combine.restype = c_int
secp256k1.secp256k1_ecdsa_recover.argtypes = [c_void_p, c_char_p, c_char_p, c_char_p]
secp256k1.secp256k1_ecdsa_recover.restype = c_int
secp256k1.secp256k1_ecdsa_recoverable_signature_parse_compact.argtypes = [c_void_p, c_char_p, c_char_p, c_int]
secp256k1.secp256k1_ecdsa_recoverable_signature_parse_compact.restype = c_int
secp256k1.ctx = secp256k1.secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY)
ret = secp256k1.secp256k1_context_randomize(secp256k1.ctx, os.urandom(32))
if ret: