hash Archives - Page 4 of 4

Fundamental difference between Hashing and Encryption algorithms

I see a lot of confusion between hashes and encryption algorithms and I would like to hear some more expert advice about: When ...

May 2, 2022
0 Comments

Why does Java’s hashCode() in String use 31 as a multiplier?

Per the Java documentation, the hash code for a String object is computed as: s[0]*31^(n-1) + s[1]*31^(n-2) + ... + s...

May 2, 2022
0 Comments

How can bcrypt have built-in salts?

Coda Hale’s article “How To Safely Store a Password” claims that: bcrypt has salts built-in to prevent rainbow table attacks. He cites this ...

April 26, 2022
0 Comments

Generate a Hash from string in Javascript

I need to convert strings to some form of hash. Is this possible in JavaScript? I’m not utilizing a server-side language so I ...

April 21, 2022
0 Comments

How can I generate an MD5 hash in Java?

Is there any method to generate MD5 hash of a string in Java? 33 s 33

April 15, 2022
0 Comments

Secure hash and salt for PHP passwords

It is currently said that MD5 is partially unsafe. Taking this into consideration, I’d like to know which mechanism to use for password ...

April 14, 2022
0 Comments

How to decrypt a SHA-256 encrypted string?

SHA-256 is a cryptographic (one-way) hash function, so there is no direct way to decode it. The entire purpose of a cryptographic hash ...

April 8, 2022
0 Comments

Good Hash Function for Strings

Usually hashes wouldn’t do sums, otherwise stop and pots will have the same hash. and you wouldn’t limit it to the first n ...

April 5, 2022
0 Comments

NullPointerExcetion Native Method Accessor… Hashing Words Issue

This whileloop is strange: while (scanner.hasNextLine()) { String line = scanner.nextLine(); while (line != null) { String word = scanner.next(); addWord(word, linecount); } ...

April 4, 2022
0 Comments