Category "hash"

How to directly assign the SOLE hash key to a scalar in perl

Is it possible to assign the only existing hash key directly to a scalar? For example can these two statements be combined into one? @the_keys = keys %the_hash;

Custom Hashing Algorithm

Out of sheer boredom, I decided to write a hashing algorithm in python. It all works, however I've got a couple problems: Results are similar (e.g. hash(1234)

How to disable laravel 5.2 password bcrypt

I want to disable the laravel password bcrypt when I try to log-in like this Auth::guard('client')->attempt( 'id' => $request['id'], 'password' => $re

How can I compare a file's SHA256 hash in PowerShell to a known value?

If I've downloaded a file with a known SHA256 hash, how can I use PowerShell to check that the file matches the expected hash?

(Python) Hash function returns different values depending on how the script is called (cmd vs IDE)

I have a script that scrapes cell value data from an excel workbook into nested tuples. Then it returns the hash of that tuple. I can run it in my IDE (Spyder

Is there a way to hash a command output without the use of a temp file?

In command-prompt you can see the md5 or other hash of a file using certutil -hashfile <filepath> <hash algorithm>. This was the only option I can f

How was the initial hash value (H(0)) of SHA-224 obtained?

RFC 6234: US Secure Hash Algorithms (SHA and SHA-based HMAC and HKDF) explains only how the initial hash values (H(0)) for SHA-256, SHA-384, and SHA-512 were ob

Unable to match results of php hash_hmac() and coldfusion hmac()

I am working on encrypting a URL and converting a working script from PHP to ColdFusion. I have completed 95% of the work but I am stuck at this point after try

Java - Hashing with HmacSHA384 and encoding with HexDigest

I'm trying to replicate the same signature outcome as the Python code in Java. Python Code Example: secret = "1234abcd".encode() encoded_payload = json.dumps(pa

VB.NET Core 6, Hashing password in (Win form) using SHA512 - Visual Basic

I am trying to build an application where security and encryption are a high concern. I am using Visual Studio 2022 and VB.NET 6.0 (I searched for 3 days now an

How to read HASH(0x1fcb970) using perl?

I'm really lost with this, how can I read this response form an API HASH(0x1fcb970) using perl. my @info= $connection->fetchrow(); When I try to print the d

Order images based on similarity

I have a lot of images in a folder that I would like to put in order based on how similar they are. The images are histological slides from a tissue microarray

Hashing a file in Python

I want python to read to the EOF so I can get an appropriate hash, whether it is sha1 or md5. Please help. Here is what I have so far: import hashlib inputFil

PHP soap wrong digest hash

I'm trying to send a SOAP message from PHP to a server, and I'm stuck at generating a SHA256 hash of the data being sent. Here is an example request provided by

How to hash a big file without having to manually process chunks of data?

When we want to get the hash of a big file in Python, with Python's hashlib, we can process chunks of data of size 1024 bytes like this: import hashlib m = has

Compare md5 hashes of two files in python

I want to compare hashes of two files. But no matter if files are different or not, even with different hashes comparison results True Here is the code: imp

Why Double Hashing has bad cache performance?

The Wikipedia article on Open Addressing says: linear probing has the best cache performance but is most sensitive to clustering, while double hashing has poor

How to export an associative array (hash) in bash?

Related, but not a duplicate of: How to define hash tables in Bash? I can define and use a bash hash, but I am unable to export it, even with the -x flag. For

Fast hash function with collision possibility near SHA-1

I'm using SHA-1 to detect duplicates in a program handling files. It is not required to be cryptographic strong and may be reversible. I found this list of fast

How to replicate ASP Classic SHA512 Hash function in PHP

I'm currently rewriting an asp classic site in PHP, everything so far has been simple until I reached the password hashing function. In PHP I've used hash_hmac