0
votes
1answer
98 views

Advice on using encryption and hashing

I'm going to rephrase a question I asked earlier, as I don't think anyone understood what I meant. Bascially I'm writting a web based password locker, which can have multiple accounts; so that users ...
0
votes
1answer
56 views

Using encryption and hashing

I'm writing a project to securely store and share passwords between users, I've been doing tons of research into encryption algorithms, CSPRNGs, hashing algorithms, key stretching etc... I just want ...
1
vote
1answer
87 views

Klein and PTW wep attack

I'm working on an implementation of Klein's wep attack. For that, I've set up a router with wep encryption and collected 50,000 unique IVs from it. I tried only calculating K[0], meaning - the first ...
-1
votes
1answer
111 views

Current Encryption Algorithms? [closed]

What are some encryption algorithms that are currently in use by secure websites, by operating systems, or by Secure USB thumb drive manufacturers. I am trying to do research on differences in speed ...
-5
votes
1answer
136 views

What is the excellence of RSA vs my algorithm [closed]

I was wondering that what make RSA Asymmetric Cryptography Algorithm special. So I wrote a very simple algorithm that do the same work (Generate Public and Private Key) Now I want to ask you that What ...
2
votes
4answers
364 views

For someone who has a key and ciphertext, is it possible to find out what encryption algorithm was used?

I am new in cryptography, and while learning a different questions pop up in my mind. Here is one of them. For someone who has a key and ciphertext, is it possible to find out what encryption ...
0
votes
1answer
161 views

Password algorithm to be integrated on a website

I have recently started a project to code a secure password protection algorithm to be used on both computers and mobile devices. As I have never done anything like it before, I am a bit unsure of ...
0
votes
2answers
413 views

Algorithm to generate NTLMv2 Hash in PHP

I am trying to develop a PHP function to calculate NTLMv2 hash by providing server & client challenge, domain, account and password. The resulting hash appears to be not correct. Can someone ...
-1
votes
1answer
100 views

Permutation in Block Ciphers

I was reading some e-books to understand the basics of block ciphers and how it works in AES. As i understood, Permutation plays a big part in AES and Block Ciphers, Here is what i understood by ...
3
votes
1answer
150 views

Multiple encrypted messages known to have matching (unknown) content

A recent discussion regarding ways to keep data secure through multiple iterations of a program's execution (with repeated read/write operations) raised a question regarding known-plaintext attacks ...
-6
votes
1answer
4k views

Asymmetric encryption algorithms [closed]

What are the best asymmetric encryption algorithms out there? I am trying to use RSA in my project howoever I have read that it is not quite secure as other asymmetric encryption algorithms.
0
votes
1answer
371 views

Determine hashing algorthim only with known input and output

Given the input: test A system generates the following output hash: 0x001F41B6A0534D3B851D69EFE6237F550100000010D5F4FC65E64BCFDBF2590212E4411C44942C6C734C00ACFE13B958DCAB3614 I do not know ...
5
votes
4answers
407 views

Is it a good idea to have a “master” password?

Though I do have a good memory of passwords, it is quite impossible to have one password per application. Yet, it should be... My current way to deal with passwords is to have five passwords and to ...
3
votes
5answers
1k views

Is there an asymmetric encryption algorithm that maintains the length of the plaintext?

I want to protect some registers by encrypting them without providing additional memory space. Is there a encryption algorithm that will maintain the length of the data to be encrypted? (i.e. ...