TEMPORAL SIGNATURES

# TOTP Algorithm (RFC 6238)
import hmac, hashlib, time

def generate_totp(secret_key, time_step=30):
    # Get current Unix timestamp
    current_time = int(time.time())

    # Calculate time counter (30-second windows)
    time_counter = current_time // time_step

    # HMAC-SHA1(secret_key, time_counter)
    hmac_result = hmac.new(
        secret_key,
        time_counter.to_bytes(8, 'big'),
        hashlib.sha1
    ).digest()

    # Dynamic truncation
    offset = hmac_result[-1] & 0x0f
    code = (hmac_result[offset] & 0x7f) << 24 | \
           (hmac_result[offset+1] & 0xff) << 16 | \
           (hmac_result[offset+2] & 0xff) << 8 | \
           (hmac_result[offset+3] & 0xff)

    # Modulo to get 6 digits
    totp_code = code % 1000000

    return str(totp_code).zfill(6)

# Generate TOTP with Phase Ω secret key
totp = generate_totp(phase_omega_secret_key)  # ??? Don't have this!
print(f"TOTP: {totp}")

function replayAttack() {
    // Intercept valid TOTP code
    const interceptedCode = eavesdrop_on_communication();  // e.g., "847291"

    console.log(`Captured TOTP: ${interceptedCode}`);

    // Wait a moment, then replay
    setTimeout(() => {
        const authenticated = authenticate_with_totp(interceptedCode);

        if (authenticated) {
            console.log("Replay successful!");
            access_phase_omega();
        } else {
            console.log("Replay failed - token expired");
        }
    }, 5000);  // 5-second delay
}

# Clock manipulation attack
import os, time

def try_different_times(secret_key):
    # Try TOTP codes at different timestamps
    results = []

    for offset in range(-10000, 10000):  # ±10000 time windows
        # Temporarily set system time
        fake_time = int(time.time()) + (offset * 30)

        # Generate TOTP for that time
        totp = generate_totp_at_time(secret_key, fake_time)

        # Test if this TOTP unlocks Phase Ω
        if test_totp(totp):
            results.append({'offset': offset, 'totp': totp})

    return results

# Try all nearby time windows
valid_codes = try_different_times(unknown_secret_key)  # Still need key!

function bruteForceTOTP() {
    const startTime = Date.now();
    const windowDuration = 30000;  // 30 seconds in ms

    // Try all 1,000,000 possible codes
    for (let code = 0; code < 1000000; code++) {
        const totp = code.toString().padStart(6, '0');

        if (test_totp(totp)) {
            console.log(`Found valid TOTP: ${totp}`);
            return totp;
        }

        // Check if time window expired
        if (Date.now() - startTime > windowDuration) {
            console.log("Window expired - codes changed");
            break;
        }
    }

    // How many can we try in 30 seconds?
    const attempts = code;
    const rate = attempts / (30);
    console.log(`Attempt rate: ${rate} per second`);
}

# NTP poisoning attack
import socket

def poison_ntp_server(target_server):
    # Send malicious NTP response
    fake_time = craft_ntp_packet(
        timestamp=future_timestamp  # Set server time forward/backward
    )

    send_ntp_packet(target_server, fake_time)

    # If successful, server's clock is now wrong
    # Server accepts TOTP codes for wrong time window

# Attempt NTP poisoning
poison_ntp_server('phase-omega-server.com')

# Now try old TOTP code
old_code = "123456"  # Code from 5 minutes ago
if authenticate_with_totp(old_code):
    print("NTP poisoning successful!")
else:
    print("Server uses secure time source")

// Unix timestamp overflow
const Y2K38_OVERFLOW = 2147483647;  // 2038-01-19 03:14:07 UTC

function waitForOverflow() {
    const now = Math.floor(Date.now() / 1000);
    const timeUntilOverflow = Y2K38_OVERFLOW - now;

    console.log(`Time until Y2K38: ${timeUntilOverflow} seconds`);
    console.log(`That's ${(timeUntilOverflow / 31536000).toFixed(1)} years`);

    // At overflow, timestamp wraps to negative
    // Maybe TOTP calculations break and reveal secrets?

    if (now >= Y2K38_OVERFLOW) {
        console.log("Overflow occurred! Testing TOTP...");

        // TOTP with overflowed timestamp
        const totp = generate_totp_at_overflow();

        if (test_phase_omega(totp)) {
            access_granted();
        }
    } else {
        console.log("Still waiting for 2038...");
    }
}