ParagonIE_Sodium_Compat::crypto_secretbox_xchacha20poly1305() public WP 1.0
Authenticated symmetric-key encryption.
Algorithm: XChaCha20-Poly1305
{} It's a method of the class: ParagonIE_Sodium_Compat{}
No Hooks.
Return
String
. Ciphertext with Poly1305 MAC
Usage
$result = ParagonIE_Sodium_Compat::crypto_secretbox_xchacha20poly1305( $plaintext, $nonce, $key );
- $plaintext(string) (required)
- The message you're encrypting
- $nonce(string) (required)
- A Number to be used Once; must be 24 bytes
- $key(string) (required)
- Symmetric encryption key
Code of ParagonIE_Sodium_Compat::crypto_secretbox_xchacha20poly1305() ParagonIE Sodium Compat::crypto secretbox xchacha20poly1305 WP 5.7
public static function crypto_secretbox_xchacha20poly1305($plaintext, $nonce, $key)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.');
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::secretbox_xchacha20poly1305($plaintext, $nonce, $key);
}
return ParagonIE_Sodium_Crypto::secretbox_xchacha20poly1305($plaintext, $nonce, $key);
}