Tagged Questions
3
votes
1answer
113 views
Key length and hash function in PBKDF2
On this page:
http://www.ruby-doc.org/stdlib-2.0/libdoc/openssl/rdoc/OpenSSL/PKCS5.html
they make a statement that strikes me as rather weird:
Key Length
Specifies the length in bytes of ...
-1
votes
1answer
151 views
How to find the encryption of a cipher and apply it to another key [closed]
I am very new to cryptography so please help me out with this one
I have a Question Key-1 which + some encryption gives Answer key-1. I have to find the encryption to apply it to another Question ...
2
votes
3answers
605 views
Can the salt for PBKDF2 be a hash of the user-entered password?
I want to derive a key from a password in a client application that will be used as a master key that decrypts a data key. As far as I understand the salt should be private knowledge. Would it be ...
7
votes
1answer
616 views
Would it make sense to use Bcrypt and PBKDF2 together?
I've read various opinions about whether Bcrypt or PDBKF2 is a better key derivation hashing method. The answer seems to depend on a lot of complicated factors that are not easy to analyze. Would ...
2
votes
4answers
303 views
Hash/Digest of string; multiple clients and reverse lookup must be impossible
Ok so i need a technique (could be a system or just an algorithm) to generate a hash/digest of a string on a client app without me (admin of a server app) being able to determine what the original ...
