def makeCryptor(privkey):
privkey_bin = '\x02\xca\x00 ' + a.changebase(privkey, 16, 256, minlen=32)
pubkey = a.changebase(a.privtopub(privkey), 16, 256, minlen=65)[1:]
pubkey_bin = '\x02\xca\x00 ' + pubkey[:32] + '\x00 ' + pubkey[32:]
cryptor = pyelliptic.ECC(curve='secp256k1',
privkey=privkey_bin,
pubkey=pubkey_bin)
return cryptor
def makePrivCryptor(privkey):
privkey_bin = '\x02\xca\x00 ' + arithmetic.changebase(privkey,
16, 256, minlen=32)
pubkey = arithmetic.changebase(arithmetic.privtopub(privkey),
16, 256, minlen=65)[1:]
pubkey_bin = '\x02\xca\x00 ' + pubkey[:32] + '\x00 ' + pubkey[32:]
cryptor = ec.ECC(curve='secp256k1', privkey=privkey_bin, pubkey=pubkey_bin)
return cryptor
def decodeWalletImportFormat(WIFstring):
fullString = arithmetic.changebase(WIFstring, 58, 256)
privkey = fullString[:-4]
if fullString[-4:] != \
hashlib.sha256(hashlib.sha256(privkey).digest()).digest()[:4]:
print(
'Major problem! When trying to decode one of your'
' private keys, the checksum failed. Here are the first'
' 6 characters of the PRIVATE key: %s',
str(WIFstring)[:6])
os._exit(0)
# return ""
elif privkey[0] == '\x80': # checksum passed
return privkey[1:]
print(
'Major problem! When trying to decode one of your private keys,'
' the checksum passed but the key doesn\'t begin with hex 80.'
' Here is the PRIVATE key: %s', WIFstring)
os._exit(0)
def hexToPubkey(pubkey):
pubkey_raw = arithmetic.changebase(pubkey[2:], 16, 256, minlen=64)
pubkey_bin = '\x02\xca\x00 ' + pubkey_raw[:32] + '\x00 ' + pubkey_raw[32:]
return pubkey_bin
def hexToPubkey(pubkey):
pubkey_raw = arithmetic.changebase(pubkey[2:], 16, 256, minlen=64)
pubkey_bin = '\x02\xca\x00 ' + pubkey_raw[:32] + '\x00 ' + pubkey_raw[32:]
return pubkey_bin
def makeCryptor(privkey):
privkey_bin = "\x02\xca\x00 " + a.changebase(privkey, 16, 256, minlen=32)
pubkey = a.changebase(a.privtopub(privkey), 16, 256, minlen=65)[1:]
pubkey_bin = "\x02\xca\x00 " + pubkey[:32] + "\x00 " + pubkey[32:]
cryptor = pyelliptic.ECC(curve="secp256k1", privkey=privkey_bin, pubkey=pubkey_bin)
return cryptor
def hexToPubkey(pubkey):
pubkey_raw = a.changebase(pubkey[2:], 16, 256, minlen=64)
pubkey_bin = "\x02\xca\x00 " + pubkey_raw[:32] + "\x00 " + pubkey_raw[32:]
return pubkey_bin
publicSigningKey = arithmetic.privtopub(privateSigningKey)
publicEncryptionKey = arithmetic.privtopub(privateEncryptionKey)
print(
'\npublicSigningKey = %s\npublicEncryptionKey = %s' %
(publicSigningKey, publicEncryptionKey)
)
print(
'\nNotice that they both begin with the \\x04 which specifies'
' the encoding type. This prefix is not send over the wire.'
' You must strip if off before you send your public key across'
' the wire, and you must add it back when you receive a public key.'
)
publicSigningKeyBinary = \
arithmetic.changebase(publicSigningKey, 16, 256, minlen=64)
publicEncryptionKeyBinary = \
arithmetic.changebase(publicEncryptionKey, 16, 256, minlen=64)
ripe = hashlib.new('ripemd160')
sha = hashlib.new('sha512')
sha.update(publicSigningKeyBinary + publicEncryptionKeyBinary)
ripe.update(sha.digest())
addressVersionNumber = 2
streamNumber = 1
print(
'\nRipe digest that we will encode in the address: %s' %
hexlify(ripe.digest())
)
returnedAddress = \