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Feb
20
answered Implications of reversing CBC encryption
Feb
18
answered How to show that a function is not a PRP?
Feb
8
answered Is $f(x)\oplus x$ a one-way function?
Feb
2
answered Definition of ciphertext security
Jan
29
answered Definition of the Decryption oracle
May
21
answered One-time pad, zero key and Shannon
May
1
answered PRF and hash functions
Aug
14
answered Is there a way to encrypt multiple sets of data into one result, with separate keys decrypting each set of data
Jul
15
answered Primality testing (deterministic vs. non-deterministic)
Jul
5
answered Lamport-Diffie + Security Proof
Jun
27
answered P = NP and current cryptographic systems
May
16
answered Generate fixed length cipher text from arbitrary length plaintext
May
6
answered Indistinguishability attack example
Apr
5
answered Why constrain the message lengths in indistinguishability in the presence of an eavesdropper?
Dec
13
answered Probability that an attacker wins the discrete logarithm game when exponents are drawn from a subset
Dec
13
answered Can one have an authentic, but repudiable, message without a previously shared secret?
Dec
5
answered Non-Interactive Zero-Knowledge-Proof for discret Logarithm?
Nov
28
answered Why does Schnorr's Digital Signature scheme necessitate two prime numbers?
Nov
25
answered Looking for examples for “proof by reduction”
Nov
24
answered Pseudorandom generator and AE-secure encryption