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Apr
25
reviewed Leave Closed How to solve this public-key cryptography system?
Apr
21
reviewed Approve How to construct a collision resistant hash function that is not a one-way function?
Apr
15
reviewed Approve How to attack polyalphabetic affine cipher with only ciphertext?
Apr
13
reviewed Approve SHA-1: number of possible inputs, number of possible outputs, how many inputs have the same output,
Apr
13
reviewed Reject OTP - Why not reuse key? EDITED!
Apr
13
reviewed Edit Huffman coding is a prefix code, proof
Apr
11
reviewed Edit What is the security strength of an n-bit HMAC?
Apr
11
reviewed Approve PRNG that takes input a $n$-bit string and gives output a $2n$-bit string?
Apr
7
reviewed Approve Is TrueCrypt's multiple/cascading encryption safe?
Apr
6
reviewed Approve How secure is AES-256?
Mar
30
reviewed Approve ECDSA vs ECIES vs ECDH
Mar
26
reviewed Leave Closed How secure is a client-side javascript encrypter?
Mar
26
reviewed Close Probability of factoring keys as a function of bit length
Mar
26
reviewed Close What is the difference between discrete logarithm and logarithm?
Mar
26
reviewed Leave Open Is “reused one time pad” safe to encrypt a message like “random number + mod”?
Mar
26
reviewed Close Public key encryption without ciphertext expansion
Mar
22
reviewed Approve Security of Diffie Hellman in specific cyclic group
Mar
21
reviewed Edit what is DHE_EXPORT cipher suite
Mar
17
reviewed Edit Which encryption is recommended for own messenger
Mar
9
reviewed Looks OK Fast algorithm for reduction modulo a prime