Cryptography
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hakoja
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43 Answers

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16 votes
Accepted

Why does WPA-PSK not use Diffie-Hellman key exchange?

15 votes

What are the requirements of a nonce?

14 votes
Accepted

Relationship between PRF/KDF/MAC?

11 votes
Accepted

Dan Boneh's Cryptography lecture - problem with 802.11b

10 votes
Accepted

AES CCM vs CCMP

9 votes

RSA PCKS1 v2.1 RSAES-OAEP algorithm

7 votes
Accepted

How do AES and DES ensure data integrity?

6 votes
Accepted

Why does TLS 1.3 use random-looking nonces for AEAD?

6 votes
Accepted

WPA/WPA2 Handshake -- Why are Nonces not encrypted?

6 votes
Accepted

Does Cramer-Shoup allow re-randomization?

5 votes
Accepted

Why AEAD instead of encrypting with a simple hash?

5 votes
Accepted

Difference between INT-CTXT and INT-PTXT

5 votes
Accepted

UKS attack on KEA protocol

4 votes
Accepted

Flaw in the security definition of *Stateful* Authenticated Encryption?

4 votes

McEliece key size

4 votes
Accepted

MAC in SSH packet encryption, benefits to not including it?

4 votes
Accepted

Is WPA2(PKS) AES vulnerable to 4 way hand shake and brute force attack?

3 votes

Understanding WPA2 authentication in details

3 votes

CTR and CBC-MAC Demystified

3 votes
Accepted

Fault-based transition for crypto proof (a la Shoup) with big probability of fault - does it work?

3 votes

DTLS vs direct use of AES. What are the threats unique for direct use of AES instead of DTLS?

2 votes

How to compose multiple values to MAC authenticate?

2 votes
Accepted

Prove there is PRG that is not necessarily one-to-one

2 votes

Encrypting a key with the same key, for instance using AES

2 votes
Accepted

How can a Encrypt-And-MAC scheme be insecure if the encryption is CCA secure?

2 votes
Accepted

Key Derivation Function (KDF): Can a key derived from KDF be considered as a secure key?

2 votes

Prove that if we redefine the key space, we can assume Gen chooses a key uniformly

2 votes
Accepted

how to mathematically prove a key exchange algorithm

2 votes
Accepted

Why does WPA2-PSK use 4-way handshake instead of 2-way handshake

2 votes
Accepted

Does a key exchange protocol with mutual authentication which does not provide forward secrecy can be proven secure in Bellare-Rogway model?

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