Hướng dẫn php hmac sha256 base64
I have to build an authorization hash from this string:
This secret is used for a HMAC hash function:
The authorization hash I have to generate is this:
There are some things to take care of:
There is also some pseudo-code given for the generation:
I tried various things in PHP but have not found the correct algorithm yet. This is the code I have now:
It gives this signature:
As you can see, the length of 44 characters is correct. Please help me with finding the mistake, this simple problem takes me hours yet and there is no solution. (PHP 5 >= 5.1.2, PHP 7, PHP 8, PECL hash >= 1.1) hash_hmac — Generate a keyed hash value using the HMAC method Descriptionhash_hmac( Parametersalgo Name of selected hashing algorithm (i.e. "md5", "sha256", "haval160,4", etc..) See hash_hmac_algos() for a list of supported algorithms. data Message to be hashed. key Shared secret key used for generating the HMAC variant of the message digest. binary When set to Return Values Returns a string containing the calculated message digest as lowercase hexits unless
Changelog
ExamplesExample #1 hash_hmac() example
The above example will output: b8e7ae12510bdfb1812e463a7f086122cf37e4f7 See Also
Korbendallas ¶ 4 years ago
Michiel Thalen, Thalent ¶ 5 years ago
Michael ¶ 9 years ago
hash_compare($a, $b) {
KC Cloyd ¶ 13 years ago
strlen($key) > $size) { pete dot walker at NOSPAM dot me dot com ¶ 9 years ago
$result; Siann Beck ¶ 11 years ago
havoc at NOSPAM defuse dot ca ¶ 10 years ago
$raw_output) Pawel M. ¶ 1 year ago
Peter Terence Roux ¶ 11 years ago
for ($block=1; $block<=$kb; $block++)
josefkoh at hotmail dot com ¶ 11 years ago
sha1($opad.sha1($ipad.$data, true)); relevant at celsius dot ee ¶ 10 years ago
function hash_tiger_rev($algo, $data, $raw_output = false) { droidlabour at gmail dot com ¶ 6 years ago
brent at thebrent dot net ¶ 13 years ago
oath_truncate($hash, $length = 6) Carlos Averett(caverett*@*corecodec,net) ¶ 14 years ago
oath_truncate ($hash, $length = 6) { omidbahrami1990 at gmail dot com ¶ 4 years ago
$second_hashed; martin dot papik at ipsec dot info ¶ 10 years ago
torben dot egmose at gmail dot com ¶ 13 years ago
oath_truncate($hash, $length = 6) {// Convert to dec |