Reputation
14,465
Next tag badge:
102/100 score
17/20 answers
Badges
1 36 76
Newest
 Nice Answer
Impact
~288k people reached

18h
answered Strength of $H(k\|H(m))$ as a MAC algorithm
Apr
13
answered How to reverse this hash function?
Apr
7
answered What info should be signed with a digital signature to provide entity authenticaton for DH?
Mar
15
answered Why is Pearson hash not used as a cryptographic hash?
Mar
6
answered Why is $Mac_k(m_1||m_2) = ⟨F_k(m_1), F_k(m_1 \oplus \overline{m_2})⟩$ not a secure MAC?
Feb
17
answered Do Carter–Wegman MACs allow key reuse if the MAC tag is kept secret?
Jan
28
answered Is $H'(M) = 5M + 9H(M) \pmod{2^n}$ a secure hash function?
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 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?