Top "Hash" questions

A hash function is any well-defined procedure or mathematical function that converts a large amount of data into a small datum, usually a single integer.

how do i loop over a hash of hashes in ruby

OK so i have this hash h => {"67676.mpa"=>{:link=>"pool/sdafdsaff", :size=>4556}} > h.each do |…

ruby-on-rails ruby hash
SHA512 vs. Blowfish and Bcrypt

I'm looking at hashing algorithms, but couldn't find an answer. Bcrypt uses Blowfish Blowfish is better than MD5 Q: but …

security encryption passwords hash
Hash Table/Associative Array in VBA

I can't seem to find the documentation explaining how to create a hash table or associative array in VBA. Is …

vba hash hashtable associative-array
How can I see if a Perl hash already has a certain key?

I have a Perl script that is counting the number of occurrences of various strings in a text file. I …

perl hash key lookup
In Perl, how do I create a hash whose keys come from a given array?

Let's say I have an array, and I know I'm going to be doing a lot of "Does the array …

arrays perl hash
Difference between Hashing a Password and Encrypting it

The current top-voted to this question states: Another one that's not so much a security issue, although it is security-related, …

security language-agnostic encryption hash passwords
How to sort a Ruby Hash by number value?

I have a counter hash that I am trying to sort by count. The problem I am running into is …

ruby hash
Salt and hash a password in Python

This code is supposed to hash a password with a salt. The salt and hashed password are being saved in …

python authentication hash passwords salt
SHA-256 or MD5 for file integrity

I know that SHA-256 is favored over MD5 for security, etc., but, if I am to use a method to …

file hash md5 sha256
How do I use Node.js Crypto to create a HMAC-SHA1 hash?

I want to create a hash of I love cupcakes (signed with the key abcdeg) How can I create that …

javascript node.js algorithm hash node-crypto