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Summery Summery
AEAD Decryption with ChaCha20-Poly1305, IETF mode (96-bit nonce)
Syntax Syntax
Parameters Parameters
- $message
-
(Optional)
Default value: ''
- $ad
-
(Optional)
Default value: ''
- $nonce
-
(Optional)
Default value: ''
- $key
-
(Optional)
Default value: ''
Return Return
(string)
Source Source
File: wp-includes/sodium_compat/src/Crypto.php
public static function aead_xchacha20poly1305_ietf_decrypt(
$message = '',
$ad = '',
$nonce = '',
$key = ''
) {
$subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20(
ParagonIE_Sodium_Core_Util::substr($nonce, 0, 16),
$key
);
$nonceLast = "\x00\x00\x00\x00" .
ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8);
return self::aead_chacha20poly1305_ietf_decrypt($message, $ad, $nonceLast, $subkey);
}