Bitcoin Forum

import random
import hashlib
 
BASE58 = '23456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'

def Candidate():

    srandom = random.SystemRandom()

    return('%s%s' % ('S', ''.join(
        [BASE58[ srandom.randrange(0,len(BASE58)) ] for i in range(29)])))
 
def GenerateKeys(numKeys = 21):
    """
    Generate mini private keys and output the mini key as well as the full
    private key. numKeys is The number of keys to generate, and 
    """
    keysGenerated = 0
    totalCandidates = 0
    while keysGenerated < numKeys: 
        try:
            cand = Candidate()
            # Do typo check
            t = '%s?' % cand
            # Take one round of SHA256
            candHash = hashlib.sha256(t).digest()
            # Check if the first eight bits of the hash are 0
            if candHash[0] == '\x00':
                privateKey = GetPrivateKey(cand)
                print('\n%s\nSHA256( ): %s\nsha256(?): %s' %
                      (cand, privateKey, candHash.encode('hex_codec')))
                if CheckShortKey(cand):
	             print('Validated.')
                else:
                    print('Invalid!')
                keysGenerated += 1
            totalCandidates += 1
        except KeyboardInterrupt:
            break
    print('\n%s: %i\n%s: %i\n%s: %.1f' %
          ('Keys Generated', keysGenerated,
           'Total Candidates', totalCandidates,
           'Reject Percentage',
           100*(1.0-keysGenerated/float(totalCandidates))))
 
def GetPrivateKey(shortKey):
    """
    Returns the hexadecimal representation of the private key corresponding
    to the given short key.
    """
    if CheckShortKey(shortKey):
        return hashlib.sha256(shortKey).hexdigest()
    else:
        print('Typo detected in private key!')
        return None
 
def CheckShortKey(shortKey):
    """
    Checks for typos in the short key.
    """
    if len(shortKey) != 30:
        return False
    t = '%s?' % shortKey
    tHash = hashlib.sha256(t).digest()
    # Check to see that first byte is \x00
    if tHash[0] == '\x00':
        return True
    return False

GenerateKeys()

SmXsUbKQfLMaosBFKyJD38xiyveb7i
SHA256( ): 40253945df729cde57311cc82183ecb0f84410853ec6b79c5320889ce1f9f400
sha256(?): 00c17a8a028ecf9ccf471614900a0ebb52852d783af8f5cd186ebf1956fd7be2
Validated.

import random
import hashlib
 
BASE58 = '23456789ABCDEFGHJKLMNPQRSTUVWXYZ'

def Candidate():

    srandom = random.SystemRandom()

    return('%s%s' % ('S', ''.join(
        [BASE58[ srandom.randrange(0,len(BASE58)) ] for i in range(29)])))
 
def GenerateKeys(numKeys = 21):
    """
    Generate mini private keys and output the mini key as well as the full
    private key. numKeys is The number of keys to generate, and 
    """
    keysGenerated = 0
    totalCandidates = 0
    while keysGenerated < numKeys: 
        try:
            cand = Candidate()
            # Do typo check
            t = '%s?' % cand
            # Take one round of SHA256
            candHash = hashlib.sha256(t).digest()
            # Check if the first eight bits of the hash are 0
            if candHash[0] == '\x00':
                privateKey = GetPrivateKey(cand)
                print('\n%s\nSHA256( ): %s\nsha256(?): %s' %
                      (cand, privateKey, candHash.encode('hex_codec')))
                if CheckShortKey(cand):
	             print('Validated.')
                else:
                    print('Invalid!')
                keysGenerated += 1
            totalCandidates += 1
        except KeyboardInterrupt:
            break
    print('\n%s: %i\n%s: %i\n%s: %.1f' %
          ('Keys Generated', keysGenerated,
           'Total Candidates', totalCandidates,
           'Reject Percentage',
           100*(1.0-keysGenerated/float(totalCandidates))))
 
def GetPrivateKey(shortKey):
    """
    Returns the hexadecimal representation of the private key corresponding
    to the given short key.
    """
    if CheckShortKey(shortKey):
        return hashlib.sha256(shortKey).hexdigest()
    else:
        print('Typo detected in private key!')
        return None
 
def CheckShortKey(shortKey):
    """
    Checks for typos in the short key.
    """
    if len(shortKey) != 30:
        return False
    t = '%s?' % shortKey
    tHash = hashlib.sha256(t).digest()
    # Check to see that first byte is \x00
    if tHash[0] == '\x00':
        return True
    return False

GenerateKeys()

SXRN5EH92YJDRREAX8VDZBPEUMXDMN
SHA256( ): 2fc9356894e881541865b8dca800f120cbfcac32627bf0aabba6dcaa7658b409
sha256(?): 0077992753bab69bdeb420cedad11b41bef0182b43ccb29cf4fdcb0399fbfcc2
Validated.

import random
import hashlib
 
BASE58 = '23456789ABCDEFGHJKLMNPQRSTUVWXYZ'

def Candidate():

    srandom = random.SystemRandom()

    return('%s%s' % ('S', ''.join(
        [BASE58[ srandom.randrange(0,len(BASE58)) ] for i in range(21)])))
 
def GenerateKeys(numKeys = 21):
    """
    Generate mini private keys and output the mini key as well as the full
    private key. numKeys is The number of keys to generate, and 
    """
    keysGenerated = 0
    totalCandidates = 0
    while keysGenerated < numKeys: 
        try:
            cand = Candidate()
            # Do typo check
            t = '%s?' % cand
            # Take one round of SHA256
            candHash = hashlib.sha256(t).digest()
            # Check if the first eight bits of the hash are 0
            if candHash[0] == '\x00':
                privateKey = GetPrivateKey(cand)
                print('\n%s\nSHA256( ): %s\nsha256(?): %s' %
                      (cand, privateKey, candHash.encode('hex_codec')))
                if CheckShortKey(cand):
	             print('Validated.')
                else:
                    print('Invalid!')
                keysGenerated += 1
            totalCandidates += 1
        except KeyboardInterrupt:
            break
    print('\n%s: %i\n%s: %i\n%s: %.1f' %
          ('Keys Generated', keysGenerated,
           'Total Candidates', totalCandidates,
           'Reject Percentage',
           100*(1.0-keysGenerated/float(totalCandidates))))
 
def GetPrivateKey(shortKey):
    """
    Returns the hexadecimal representation of the private key corresponding
    to the given short key.
    """
    if CheckShortKey(shortKey):
        return hashlib.sha256(shortKey).hexdigest()
    else:
        print('Typo detected in private key!')
        return None
 
def CheckShortKey(shortKey):
    """
    Checks for typos in the short key.
    """
    if len(shortKey) != 22:
        return False
    t = '%s?' % shortKey
    tHash = hashlib.sha256(t).digest()
    # Check to see that first byte is \x00
    if tHash[0] == '\x00':
        return True
    return False

GenerateKeys()

SHAGB2RML58MRVTUZYJAGE
SHA256( ): bdae5d37db5a11fb7e5f5ac336df631f7dd9f15efc28d57b5704c1f84546bfb8
sha256(?): 00e66ee72d46056864da6ed5ec59579f302d6623958a5b0b3664af4ee8f6c0bb
Validated.