What are the counter and pcbc modes?

511

---

What is multiple encryption?

486

---

What is luc?

490

---

What is the elgamal cryptosystem?

579

---

What are the disadvantages of public-key cryptography compared with secret-key cryptography?

457

---

Do digital signatures help detect altered documents and transmission errors?

601

---

What is the mceliece cryptosystem?

479

---

What are the ecb and cbc modes?

507

---

What are the cfb and ofb modes?

510

---

What is probabilistic encryption?

518

---

What are knapsack cryptosystems?

504

---

What are the advantages of public-key cryptography compared with secret-key cryptography?

459

---

Bitcoin is based on which type of blockchain?

1

---

What is the primary benefit of immutability?

1

---

What are the properties of blockchain?

1

---