1. The Vernam cipher is named after its inventor Gilbert Vernam.
2. The cipher was originally invented to scramble text transmitted by …
3. How was the Vernam cipher key originally fed into the system?
4. The Russian engineer Vladimir Kotelnikov proved the cipher was unbreakable if the key was …
5. The principles were developed into a manual encryption system known as the …
6. Why is the Vernam cipher not vulnerable to frequency analysis?
7. The Vernam cipher uses an XOR logical operation. What does this mean?
8. XOR could also be written as …
9. An algorithm can generate a truly random key number.
10. Using binary and XOR, how would 10101 appear in ciphertext if the key is 00110?