Find answers to your questions about Cryptography or help others by answering their Cryptography questions.
I understand that multi sig transactions exist so that X of N need to sign to release a transaction. If only 1 of N is required I guess any of...
Asked on 12/26/2020 by besch
1 answerTake an elliptic curve cryptography public key (x, y) and its additive inverse (x, -y). How do you identify which is the positive point and which is the negative point?...
Asked on 12/25/2020 by Prabu r
2 answerI am looking for some reference documentation suggesting a minimum reasonable length for a truncated hash (specifically, a truncated SHA-256 hash) to ensure preimage resistance. Obviously, truncating a SHA-256 hash...
Asked on 12/19/2020 by user975176
1 answerGiven an SBox, how can I generate its component equations (in ANF)? For example, let's say I have this SBox:6, 4, 7, 8, 0, 5, 2, 10,...
Asked on 12/14/2020 by hola
4 answerBasically I am trying to understand the difference between server salt and client salt. I know that the client salt is used to make encryption harder for hackers, but I...
Asked on 12/14/2020 by John Chen
1 answerI'm talking about when two chat users want to verify their identities via public key fingerprints. If the Client app is closed source, and we cannot see what it is...
Asked on 12/10/2020 by Dante
0 answerFor 256 bits "Double-and-add" multiplication uses about 128 addings and 256 doublings, where "Montgomery ladder" uses near 256 addings and 256 doublings."Double-and-add" in my Intel(R) Core(TM) i3-8130U CPU @...
Asked on 12/10/2020 by Andrzej
0 answerEverything I've seen so far in modern implementations (the Linux Kernel AEAD API, JVM crypto provider (AES-GCM), RFC 8439, libsodium, etc)...
Asked on 12/09/2020 by Les Hazlewood
3 answerI read a cryptography scheme that it include the following operation: $$c= H(e(g_1,g_n)^t)$$where H is a hash function.I need to know what the operation $e$ means....
Asked on 12/03/2020 by kiukige
1 answerI am having a struggle calculating (ii) and (iii), Can anybody help me with the calculation? RSA blind signature algorithm:Given two prime numbers: $p=11$ and $q=3$The...
Asked on 11/18/2020 by Navid Niknezhad
0 answerGet help from others!
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