Questions tagged [string-hashing]
90 questions
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Hash-like Functions
Are there any cryptographically secure hash functions that can be given a array of strings to hash, and will always calculate the same output no matter what order the array elements are in?
I realize that one could merge the array elements into one…
Lev Knoblock
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PHP: Installing Libsodium to PHP v5.5
How to correctly install Libsodium with PHP verson 5.5.
I'm trying to follow the instruction on https://paragonie.com/book/pecl-libsodium/read/00-intro.md#installing-libsodium
Here are the steps I did:
Go to…
Jemru
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How to hash variable-length strings
I am very much a beginner in encryption/hashing. And I want to know how to hash a variable length string, maybe 10 or 100 letters to a fixed length code, e.g. 128-bit binary, regardless of the underlying programming language, while achieving…
wenduowang
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Is it possible to write hashing algorithm for following requirement?
All input will be lowercase English alphabet.
HashString("ab")= should be unique value
HashString("ba")= should give me the same value as above
I tried with assigning each alphabet with a number, but it turned out to be wrong logic
My attempt…
Mohanraja
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Generating a string hash to compare two substrings
I have a string "abcdbca" and I'm instructed to slice two subarrays, say [0:3] and [4:7], I get strings "abc" and "bca". I've to find out if the two substrings are similar(same elements, max_allowed_mismatch_error = 1).
I tried count sort, but…
ghost-sdk
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How to check if the first n bytes of a string are zeroes?
long nonce;
String message = "blahblabahlsdhqwi";
String digest = digest("SHA-256", String + nonce);
byte[] digestBytes = digest.getBytes();
I'm trying to hash through a message whilst incrementing a nonce until I find a digest that has the first 4…
Chimp_Town
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How do I show the hash of a string in a ListBox?
I have a project where I have to create my own linear hash, bucket hash and quadratic hash algorithms, so I choose to hash some strings, but I've run into a little problem where I have 2 ListBoxes:
A ListBox full of strings
A ListBox full of the…
Rutger
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Password hashing - Compare 2 strings
I've just added in a function to hash and salt passwords which are stored in an Access database "Memo" field.
The hashing/salting works fine, but I can't find anything on the internet which tells me how to then decrypt them.
I did see somewhere that…
David
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match a pattern using hashing in java
I was trying to learn how to match a pattern in a given text string using multiple hashing. I have found the following implementation in java:
void multiHashing() {
int counter = 0;
int d = 26;
int r = 10;
int [] qP = qPrimes(d,r);…
user6216509
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Hashing using md5 and sign using private certificate
I have a requirement wherein I have to generate a URL where one of the parameter is signature and signature has to be generated using below requirement in a Java Application:
The other 4 URL parameter values should be hashed (in the order specified…
Neel
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Hashing and Converting To Base64 from C# to SQL
I try to rewrite the following C# method to SQL Server 2014 code. So far to no avail.
public static string GetHash(string input)
{
HashAlgorithm hashAlgorithm = new SHA256CryptoServiceProvider();
byte[] byteValue =…
rudimenter
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convert byte array to string in java
I try to convert byte array to string in java using new String( bytes, "UTF-8") method, but they only return the object. like this @AB4634bSbbfa
So, I searched some way to solve this problem.
I finally get valid string array, by converting hex-code…
bubu uwu
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Spring Security not populating database with hashed password
I'm trying to populate the database with a hashed password and then log in to my application, by matching the data I'm submitting through my log in form, just like how a typical hashed password is suppose to work. I'm using spring security and…
dochsner
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I am not very experienced and am trying to handle collisions in my hash table. However
I am not very experienced and am trying to handle collisions in my hash table. However, it just skips over it and doesn't write it at all. I figured the while loop with the conditional if would take care of it... I have been playing around with it…
Aven
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Hashing unique strings with MD2
I have a list of unique email addresses - a very simple question. If the email is unique will the output always be unique,
hash('md2', $email);
LeBlaireau
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