Reputation
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99/100 score
17/20 answers
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Impact
~260k people reached

Jan
28
answered Is H'(M)=5*M + 9*H(M) mod 2^n a secure hash?
Dec
30
answered AES key equal to IV (CBC mode)
Dec
5
answered Probability approximation of no collisions
Nov
28
answered How can there be AES-256-GCM, when GCM is defined for 128-sized blocks?
Nov
27
answered Backdoorable hash function in password database
Nov
16
answered Do low-entropy fingerprints actually make any sense?
Nov
3
answered Is there a 1:1 mapping between private and public EC keys?
Nov
2
answered Why are there so many stream ciphers out there and even ongoing research?
Oct
4
answered Why do we require a CSPRNG's output to be indistinguishable from true random?
Sep
30
answered Elliptical curve cryptography Determine if a public key point y is negative or positive, odd or even?
Jul
26
answered Why is the whole initial state used in the final addition of Salsa20 and ChaCha?
Jul
17
answered Deterministic ECDSA signatures?
Jul
12
answered How to compute two EC point multiplication?
Jul
3
answered Does XTS provide random write access?
Jun
30
answered EdDSA Signature Algorithm - hash of secret key
Jun
29
answered Double the key in block cipher - which approach is better?
Jun
29
answered Adding tweak to a block cipher
Jun
29
answered Forgery attack on OCB
Jun
25
answered Why is HMAC-SHA1 still considered secure?
Jun
22
answered What is more efficient, pairing based cryptography or non pairing based cryptography?