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Sep
17
answered Is it secure to concatenate two 16-bit random numbers into a 32-bit one?
Jun
22
asked What is the danger if a non-prime is chosen for RSA?
Jun
22
comment How much would it cost in U.S. dollars to brute force a 256 bit key in a year?
I so love the absolute ambiguity, the concrete confusion, the exact existentialism of "something other than matter" and "something other than space".
Jun
22
awarded  Caucus
Jun
22
awarded  Constituent
Jun
5
awarded  Critic
Apr
28
comment What does ⊕ mean in cryptography?
Welcome to Stack Overflow! I've edited your question a bit for readability, hope you don't mind. Your question reads like it might be for homework, so I suggest you read this as well as the general question guide.
Apr
28
answered What does ⊕ mean in cryptography?
Apr
27
revised How does asymmetric encryption work?
Paragraphs and quote blocks, couldn't find a source for the quotation.
Apr
27
suggested approved edit on How does asymmetric encryption work?
Mar
16
awarded  Yearling
Mar
14
comment Can we reverse a hash when we know part of the input?
See also stackoverflow.com/questions/22852175
Mar
14
answered Can we reverse a hash when we know part of the input?
Aug
27
awarded  Student
Aug
26
asked Are variable-length crypto hash functions still susceptible to collisions?
Mar
25
revised Can a “pattern” in a series of passwords be detected from their hashes (and maybe a single raw password)?
corrected several mistakes and added some new information and examples
Mar
25
awarded  Editor
Mar
25
revised Can a “pattern” in a series of passwords be detected from their hashes (and maybe a single raw password)?
corrected several mistakes and added some new information
Mar
19
awarded  Supporter
Mar
19
comment What makes a hash function good for password hashing?
Ah, that is much clearer. But I can't think of any brute force attack that isn't parallelizable... botnet to attack a server or if you have the list of hashes, throw more hardware at it and spin up more threads/vms.