A flip/flop unit test to give you a sample:
<?php
use PHPUnit\Framework\TestCase;
class SodiumTest extends TestCase
{
public function testSodium()
{
// or 32 cryptographically secure bytes
// store the key securely with other secrets in your app
$key = sodium_crypto_aead_xchacha20poly1305_ietf_keygen();
// 8-bytes nonce should be stored along with the ciphertext (will be needed for decryption)
// It is not sensitive, you may just prepend it before the ciphertext.
$nonce = random_bytes(SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES);
$flip = 'Hello, world!';
$ciphertext = sodium_crypto_aead_chacha20poly1305_encrypt($flip, $nonce, $nonce, $key);
$flop = sodium_crypto_aead_chacha20poly1305_decrypt($ciphertext, $nonce, $nonce, $key);
$this->assertEquals($flip, $flop);
}
}
?>
Side note: the nonce is used twice in this test, but you can use a username, an identifier or whatever you like in `$additional_data`
sodium_crypto_aead_chacha20poly1305_encrypt
(PHP 7 >= 7.2.0)
sodium_crypto_aead_chacha20poly1305_encrypt — Encrypt a message
Descrierea
sodium_crypto_aead_chacha20poly1305_encrypt
( string
$message
, string $additional_data
, string $nonce
, string $key
) : string
Avertizare
Această funcție nu este documentată în prezent; este disponibilă numai lista sa de argumente.
Parametri
-
message -
-
additional_data -
-
nonce -
-
key -
Valorile întoarse
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User Contributed Notes 1 note
alain at fuz dot org ¶
1 year ago
