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14h
answered What if the p and q used in keys generation of Pailler cryptosystem are composite?
2d
answered Can a 1 byte difference in AES 128 bit keys make huge difference in output?
Jul
21
answered Are specially designed fonts sometimes used in cryptography?
Jul
13
answered Computational indistinguishability: are function parameters known?
Jul
7
answered Weakening of Pallier cryptosystem due to ciphertext equivalence and order in CryptDB
Jun
19
answered What is “witness encryption”?
Jun
12
answered What's the principle to design the functionality under UC framework?
May
29
answered Can you identify this algorithm?
May
27
answered Why don’t all AES encryption tools produce the same key from the same password?
May
26
answered Sharing a secret key between many users
May
19
answered Do hand-based hash functions / MACs exist?
May
19
answered Is the hash function defined in this exercise collision-resistant?
May
8
answered How can I map arbitrary group elements to unique integers without using Hash functions?
May
8
answered Discrete logarithm over prime modulo: small input, large exponent, larger prime
May
5
answered Encrypt file name
Apr
30
answered Are well designed crypographic codes unbreakable? (NOT ciphers)
Apr
29
answered Integer encryption preserving equality
Apr
29
answered Zero knowledge / proof of knowledge sudoku solution
Apr
28
answered How to attack the Two Time Pad?
Apr
28
answered Is a padding oracle attack possible if data is only encrypted internally on a server (e.g. for storage)?