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answered Repeatable crypto
Aug
28
answered Security of very simple XOR with random?
Aug
26
answered Good challenges for a crypto competition for teenagers
Aug
26
answered Good challenges for a crypto competition for teenagers
Aug
8
answered How feasible is word-level frequency analysis over English (or any language)?
Jul
28
answered How does a rolling code work?
Jul
5
answered Encrypting text file line by line with stable encryption
May
3
answered Encrypting a short phrase into two keys. both with length of 32letters
Apr
22
answered How to calculate Modulo using a standard calculator for a one time pad encryption
Mar
15
answered Analogue encryption algorithms
Feb
28
answered Can a zero knowledge proof (or MAC) be generated from human-typable input?
Feb
22
answered Can the passphrase of a PGP key be deduced from an old backup?
Jan
24
answered ASCII to same-length ASCII encryption?
Jan
21
answered Asymmetric algorithm to generate compact unique messages that can be validated
Jan
21
answered Messages exchanged between Bob Alice are encrypted safe?
Jan
13
answered AES Algorithm processing time in Arduino vs Raspberry Pi
Nov
23
answered Is the following symmetric design secure?
Nov
13
answered Determine the Key given ciphertexts and plaintexts?
Nov
12
asked Is there a cryptographic hash function that can be performed with pencil and paper?
Aug
13
answered Is it possible to subtract/multiply numbers using homomorphic encryption?