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 http://windows.php.net/downloads/pecl/releases/libsodium/1.0.6/
Download "php_libsodium-1.0.6-5.5-nts-vc11-x64.zip" and extract files.
Copy "libsodium.dll" in my directory "C:\Program Files (x86)\PHP\v5.5" where is "php.exe"
Copy "php_libsodium.dll" in my directory "C:\Program Files (x86)\PHP\v5.5\ext"
Enable "extension=php_libsodium.dll" in php.ini file
Restart the server
But when I tested it by writing a simple PHP test file:
<?php
error_reporting(E_ALL);
ini_set('display_errors', TRUE);
ini_set('display_startup_errors', TRUE);
// hash the password and return an ASCII string suitable for storage
$hash_str = sodium_crypto_pwhash_str(
"mypassword",
SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE,
SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE
);
echo "hash: " . $hash_str;
?>
The result page shows the error:
Fatal error: Call to undefined function sodium_crypto_pwhash_str() in C:\PHP\testLibsodium.php on line 7
The library Libsodium seems not installed because it doesn't know the function. What things I need to do to install PHP Libsodium in PHP version 5.5? Thank you very much.
Update: I've installed the X86 version as advised by @iann and run this code:
$storeInDatabase = \Sodium\crypto_pwhash_str(
"safasfdwr32sfdfas234",
SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE,
SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE
);
Now seems the function is being read but I'm getting an error:
Notice: Use of undefined constant SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE - assumed 'SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE'
Notice: Use of undefined constant SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE - assumed 'SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE'
Warning: Sodium\crypto_pwhash_str() expects parameter 2 to be long
Catchable fatal error: crypto_pwhash_str(): invalid parameters
Does this mean that my libsodium is installed correctly, but why I'm getting an error? Thank you again.
The sodium_*
functions weren't in the global namespace until the library was moved into native PHP, in version 7.2. From the manual:
In PHP before 7.2 with libsodium from PECL, the functions below were defined in the Sodium name space. In PHP 7.2, the namespaces were dropped in favor of a sodium_ prefix (to conform to the PHP internal development standards).
So if you're installing from PECL, you need to use the previous function names. In your case:
$hash_str = \Sodium\crypto_pwhash_str(
...