bug #32710 [Security/Core] align defaults for sodium with PHP 7.4 (nicolas-grekas)

This PR was merged into the 4.3 branch.

Discussion
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[Security/Core] align defaults for sodium with PHP 7.4

| Q             | A
| ------------- | ---
| Branch?       | 4.3
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

PHP 7.4 is going to use this by default, let's align to it.
(a teammate reported to me argon2 was to slow by default for their load testing)

Commits
-------

df7afa0 [Security/Core] align defaults for sodium with PHP 7.4

Author: Robin Chalas

src/Symfony/Component/Security/Core/Encoder/NativePasswordEncoder.php

@@ -30,7 +30,7 @@ final class NativePasswordEncoder implements PasswordEncoderInterface, SelfSalti
     public function __construct(int $opsLimit = null, int $memLimit = null, int $cost = null)
     {
         $cost = $cost ?? 13;
-        $opsLimit = $opsLimit ?? max(6, \defined('SODIUM_CRYPTO_PWHASH_OPSLIMIT_MODERATE') ? \SODIUM_CRYPTO_PWHASH_OPSLIMIT_MODERATE : 6);
+        $opsLimit = $opsLimit ?? max(4, \defined('SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE') ? \SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE : 4);
         $memLimit = $memLimit ?? max(64 * 1024 * 1024, \defined('SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE') ? \SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE : 64 * 1024 * 1024);
 
         if (3 > $opsLimit) {

src/Symfony/Component/Security/Core/Encoder/SodiumPasswordEncoder.php

@@ -34,7 +34,7 @@ public function __construct(int $opsLimit = null, int $memLimit = null)
             throw new LogicException('Libsodium is not available. You should either install the sodium extension, upgrade to PHP 7.2+ or use a different encoder.');
         }
 
-        $this->opsLimit = $opsLimit ?? max(6, \defined('SODIUM_CRYPTO_PWHASH_OPSLIMIT_MODERATE') ? \SODIUM_CRYPTO_PWHASH_OPSLIMIT_MODERATE : 6);
+        $this->opsLimit = $opsLimit ?? max(4, \defined('SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE') ? \SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE : 4);
         $this->memLimit = $memLimit ?? max(64 * 1024 * 1024, \defined('SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE') ? \SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE : 64 * 1024 * 2014);
 
         if (3 > $this->opsLimit) {