How to Generate a SHA256 HMAC Hash from a String in Go
In Golang, using the crypto/hmac library is the easiest way to generate a SHA256 HMAC Hash from a string.
In cryptography, an HMAC (hash-based message authentication code) is a specific type of message authentication code (MAC) involving a cryptograp...
How to Get a SHA256 Hash from a String in Go
In Golang, using the Sum256 function is the easiest way to get a SHA256 hash from a string.Go implements several hash functions in various crypto/* packages.
Using Sum256 Function
The sha256.Sum256() function returns the SHA256 checksum of the data...
How to use hash function in Python
Secure hashes and message digests.Hash algorithms
The hashlib module implements a common interface to many different secure hash and message digest algorithms. Included are the FIPS secure hash algorithms SHA1, SHA224, SHA256, SHA384, and SHA512 (def...
How to use of hash functions in PHP
How Hashing Function Works and its Syntax.
MD5 Function
The md5() calculates the md5 hash of a string. Returns the hash as a 32-character hexadecimal number.
$str = "Google";
// 8b36e9207c24c76e6719268e49201d94
echo md5($str);
// bool(true)
md...
How to handle If-modified-since header in PHP
Reduce Bandwidth Usage by Supporting If-Modified-Since in PHP.
If-Modified-Since
The If-Modified-Since request HTTP header makes the request conditional: the server sends back the requested resource, with a 200 status, only if it has been last modif...
How to use the curl command in Linux
command line tool and library for transferring data with URLs.
cURL (pronounced 'curl') is a computer software project providing a library (libcurl) and command-line tool (curl) for transferring data using various network protocols. The name ...
How to use the Docker-compose command line
This page provides the usage information for the docker-compose Command.The following show the Docker-Compose version information:
Version information
docker-compose version
docker-compose -v
docker-compose --version
docker...