def handle_verify(args):
data = json.loads(args.json)
addr = Address.decode_base58(data['addr'])
xpub = binascii.unhexlify(data['xpub'])
pub = xpub[:32]
msg = data['msg'].encode('utf-8')
sig = binascii.unhexlify(data['sig'])
# verify address and pubkey
if not addr.verify_pubkey(xpub):
print('address and xpub is mismatched')
return
# verify signature and pubkey
result = verify(pub, msg, sig)
print('signature is right' if result else 'signature is wrong')
def handle_sign(args):
passphase = input_passphase()
cfg = load_wallet_config(args)
root_xpriv = binascii.unhexlify(cfg['root_key'])
root_xpub = xpriv_to_xpub(root_xpriv)
hdpass = derive_hdpassphase(root_xpub)
addr = Address.decode_base58(args.addr)
path = addr.get_derive_path(hdpass)
if path is None:
print('the address don\'t belong to this wallet')
return
xpriv = derive_key(root_xpriv, passphase, path, DERIVATION_V1)
xpub = xpriv_to_xpub(xpriv)
if not addr.verify_pubkey(xpub):
print('the passphase is wrong')
return
sig = encrypted_sign(xpriv, passphase, args.message.encode('utf-8'))
print(
json.dumps({
'xpub': binascii.hexlify(xpub).decode(),
'addr': args.addr,
'msg': args.message,
'sig': binascii.hexlify(sig).decode(),
}))
