コード例 #1
0
def xfp_from_xpub(xpub):
    # sometime we need to BIP32 fingerprint value: 4 bytes of ripemd(sha256(pubkey))
    # UNTESTED
    kk = bfh(Xpub.get_pubkey_from_xpub(xpub, []))
    assert len(kk) == 33
    xfp, = unpack('<I', hash_160(kk)[0:4])
    return xfp
コード例 #2
0
 def get_password_for_storage_encryption(self) -> str:
     # note: using a different password based on hw device type is highly undesirable! see #5993
     derivation = get_derivation_used_for_hw_device_encryption()
     xpub = self.get_xpub(derivation, "standard")
     password = Xpub.get_pubkey_from_xpub(xpub, ()).hex()
     return password