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May
19
revised Is the hash function defined in this exercise collision-resistant?
Correcting errors
May
4
revised Are well designed crypographic codes unbreakable? (NOT ciphers)
added 1328 characters in body
Apr
29
revised Zero knowledge / proof of knowledge sudoku solution
added 381 characters in body
Mar
30
revised Is this a valid scheme to authenticate through a 'human-readable' certificate?
changed the large part, for better understanding
Mar
23
revised Should I remove these use cases of MD5/SHA1 from my program?
added 81 characters in body
Mar
4
revised Which characters to take into account when calculating unicity distance?
added 27 characters in body
Feb
27
revised If we can find prime numbers larger than 17 milion digits, why can't we find all 1024bit primes?
edited body
Feb
27
revised Multiple keys for the same ciphertext
added 689 characters in body
Jan
26
revised Number of keys when using symmetric and asymmetric encryption?
[Edit removed during grace period]
Jan
15
revised Comparison among algorithm based on key length
added 135 characters in body
Nov
27
revised Minimum number of independent trials needed to detect a bias
Changed tag
Jul
28
revised Vigenère cipher: Security when key length and plaintext length are the same
added 102 characters in body
Jun
24
revised Choose a random number that is different from a bunch of other secret numbers
revised my statement
Jun
23
revised In public key cryptography, how many keys are required for secure communication between n parties?
removed "cryptanalysis" tag
Jun
12
revised Given $n$ bits, how many “truly random” sequences/numbers can be constructed?
added 887 characters in body
Jun
3
revised One Time Pad for large changing files
added 210 characters in body
May
23
revised weaknesses in ElGamal with public key of small order
homework tag
Apr
17
revised Is ElGamal still unforgable if the adversary knows r
formatting and latex
Apr
10
revised What are some disadvantages of homomorphic encryption schemes?
Changed first sentence, due to comment.
Mar
27
revised Times of nested algorithms in proofs of security
added 1176 characters in body