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18/20 answers
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May
24
answered Why does TLS do Authenticate-then-Encrypt instead of Encrypt-then-Authenticate?
May
19
answered How can a block cipher in counter mode be a reasonable PRNG when it's a PRP?
May
18
answered Inversion Free Direct Conversion between Twisted Edwards (X,Y,Z) and Montgomery (X,Z)
May
1
answered Can Winternitz be easily converted to a many-time encryption scheme?
May
1
answered Block cipher does not provide security by itself
Apr
26
asked Can cycle finding techniques reduce the memory usage of the MitM attack against 2DES and 3DES?
Apr
25
answered SHACAL-2 vs. AES as underlying block cipher for Secure Hash (aka SHA-256)
Apr
22
asked Can Grover's algorithm be parallized?
Apr
22
answered What is the “compression function” in Merkle-Damgård?
Apr
12
answered Use cases for “online” authenticated encryption?
Apr
2
answered Coding of unsigned int to prevent guessing next ID
Apr
1
answered Probability of SHA256 Collisions for Certain Amount of Hashed Values
Apr
1
answered Is it safe to encrypt random data using ECB mode?
Mar
4
answered Multiple encryption of part of block
Mar
4
answered Is CBC theoretically harder to brute force when compared with ECB?
Feb
19
answered What are the computational benefits of primes close to the power of 2?
Feb
14
answered Anonymous Gravatar Problem
Feb
10
answered 3DES Modes EED orEDE?
Feb
10
answered Attacking multi block MAC constructions
Feb
10
answered Why does NaCL have different keys for signing and encryption?