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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?
Aug
4
answered Convert old and busted password encryption to something sensible
Jun
18
answered Is it possible to cryptographically prove when was the last time a ciphertext was decrypted/encrypted?
May
24
answered Requiring a “supervisor” key pair and a “user” key pair to decrypt multiple-recipient messages
Apr
25
answered Using the output of a stream cipher, how to guarantee the integrity of 4 bytes of data?
Feb
11
answered Name for identical operations for encryption and decryption
Feb
3
answered Store hashed email and compare hash values
Jan
29
answered Cryptographic Symmetric Stream Cipher
Jan
24
answered Any efficient text-based steganographic schemes?
Dec
16
answered Contruct a protocol to determine if three secret keys are different, without revealing any of them?
Dec
6
answered How to prove membership of a list without disclosing the list members?
Dec
3
answered Is there any research on the problem of making a number more memorable to humans?
Dec
3
answered How to prove membership of a list without disclosing the list members?