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Jul
19
answered Are HMACs based on hashes with larger bit-lengths also more secure?
Jul
17
asked Generalized Merkle Signatures, SHA-3 and Sakura
Jul
13
answered Effective security of block cipher – equal the key size, or half the key size?
Jul
13
answered Does CCA security imply authenticated encryption?
Jul
11
answered In RSA, why does $p$ have to be bigger than $q$ where $n=p \times q$?
Jul
7
asked Deterministic Rand function for Winternitz One Time Signatures
Jun
24
answered How come Shamir Secret Sharing uses Lagrange interpolation?
Jun
11
answered Does this protocol provide Perfect Forward Secrecy / are there potential security flaws?
Apr
21
asked Stateless hash based public key cryptography?
Mar
31
answered TLS/SSL's usage of Non-Ephemeral DH vs DHE
Mar
28
asked What might be assumed about a PRF if the key has been chosen?
Mar
17
answered Hash Based Encryption (fast & simple), how well would this compare to AES?
Mar
3
answered How does TLS generate the shared secret?
Feb
23
answered Get permutations from password
Feb
20
asked What informal indicators exist for estimating the computational infeasibility of cryptographic problems?
Feb
5
answered Do both client and server need to implement OpenSSL protections to protect from CBC attacks
Feb
2
answered Why is CBC based on AES malleable in blocks other than the first block?
Jan
28
asked Hardness of finding mutual discrete logarithms of small generators in $\mathbb{Z}_p$
Jan
26
answered What does $\Pi$ represents in cryptography?
Jan
25
answered How can I find the prime numbers used in RSA?