blockchain private key generator
import ecdsa
import random
import hashlib
b58 = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
def privateKeyToWif(key_hex):
return base58CheckEncode(0x80, key_hex.decode('hex'))
def privateKeyToPublicKey(s):
sk = ecdsa.SigningKey.from_string(s.decode('hex'), curve=ecdsa.SECP256k1)
vk = sk.verifying_key
return ('\04' + sk.verifying_key.to_string()).encode('hex')
def pubKeyToAddr(s):
ripemd160 = hashlib.new('ripemd160')
ripemd160.update(hashlib.sha256(s.decode('hex')).digest())
return base58CheckEncode(0,ripemd160.digest())
def keyToAddr(s):
return pubKeyToAddr(privateKeyToPublicKey(s))
def base58encode(n):
result = ''
while n > 0:
result = b58[n%58] + result
n /= 58
return result
def base58CheckEncode(version, payload):
s = chr(version) + payload
checksum = hashlib.sha256(hashlib.sha256(s).digest()).digest()[0:4]
result = s + checksum
leadingZeros = countLeadingChars(result, '\0')
return '1' * leadingZeros + base58encode(base256decode(result))
def base256decode(s):
result = 0
for c in s:
result = result * 256 + ord(c)
return result
def countLeadingChars(s, ch):
count = 0
for c in s:
if c == ch:
count += 1
else:
break
return count
private_key = ''.join(['%x' % random.randrange(16) for x in range(0, 64)])
print 'Private key: ',private_key
pubKey = privateKeyToPublicKey(private_key)
print '\nPublic key: ',pubKey
print '\nWif: ',privateKeyToWif(private_key)
print '\nAddress: ',keyToAddr(private_key)