예제 #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
예제 #2
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
예제 #3
0
파일: ledger.py 프로젝트: smogm/electrum
 def get_password_for_storage_encryption(self) -> str:
     # since ledger firware 1.6.1 we need to provide the full derivation path
     # see https://support.ledger.com/hc/en-us/articles/360015738179-Derivation-path-vulnerability-in-Bitcoin-derivati>
     derivation = (
         "m/44'"
         "/" + str(constants.net.BIP44_COIN_TYPE) + "'"
         "/4541509'"  # ascii 'ELE'  as decimal ("BIP43 purpose")
         "/1112098098'")  # ascii 'BIE2' as decimal
     # note: using a different password based on hw device type is highly undesirable! see #5993
     xpub = self.get_xpub(derivation, "standard")
     password = Xpub.get_pubkey_from_xpub(xpub, ()).hex()
     return password
예제 #4
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