Safe Computing

[zachpeltz]

Popcorn Hack 1:

• Name: user_session
• Value: hTrkM5JdlI29MnSR2P
• Expiration Date: 2026-07-23T09:58:21.TRJ3
• First Party Cookie

Popcorn Hack 2:

• In the captcha there are 3 boxes for the captcha (probably)
• First in square 3x1
• Second in square 2x2
• Third in square 3x2

MCQ Popcorn Hack 1:

• 1. Multiple forms of identity verification before granting access
• 2. Asymmetric Encryption
• 3. Personally Identifiable Information
• 4. Respecting privacy policies and obtaining user consent before collecting data
• 5. Symmetric Encryption
• 6. Verify the legitimacy of the email by contacting the bank directly through official contact methods
• 7. A scam where an attacker tricks users into providing personal information by pretending to be a trustworthy entity
• 8. The software could contain malware or viruses that compromise the computer’s security
• 9. Even if the public key is known, only the private key can decrypt the message
• 10. Alice's public key

Code Popcorn Hack 2:

import random

def caesar_cipher(text, shift, mode):
result = ""
for char in text:
if char.isalpha(): # Encrypts only letters
shift_amount = shift if mode == "encrypt" else -shift
new_char = chr(((ord(char.lower()) - 97 + shift_amount) % 26) + 97)
result += new_char.upper() if char.isupper() else new_char
else:
result += char # Keeps spaces and non-letter characters unchanged
return result

mode = input("Do you want to encrypt or decrypt? ").strip().lower()
message = input("Enter your message: ")
shift_input = input("Enter shift value (number of places to shift, or type 'random'): ").strip().lower()

if shift_input == "random":
shift = random.randint(1, 25)
print(f"Random shift value used: {shift}")
else:
shift = int(shift_input)

output = caesar_cipher(message, shift, mode)
print(f"Result: {output}")