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ParagonIE_Sodium_Compat::crypto_box_seal_open() public WP 1.0

Opens a message encrypted with crypto_box_seal(). Requires the recipient's keypair (sk || pk) to decrypt successfully.

This validates ciphertext integrity.

{} It's a method of the class: ParagonIE_Sodium_Compat{}

No Hooks.

Return

String. The original plaintext message

Usage

$result = ParagonIE_Sodium_Compat::crypto_box_seal_open( $ciphertext, $keypair );
$ciphertext(string) (required)
Sealed message to be opened
$keypair(string) (required)
Your crypto_box keypair

Code of ParagonIE_Sodium_Compat::crypto_box_seal_open() WP 5.7

<?php
public static function crypto_box_seal_open($ciphertext, $keypair)
{
    /* Type checks: */
    ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1);
    ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 2);

    /* Input validation: */
    if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) {
        throw new SodiumException('Argument 2 must be CRYPTO_BOX_KEYPAIRBYTES long.');
    }

    if (self::useNewSodiumAPI()) {
        /**
         * @psalm-suppress InvalidReturnStatement
         * @psalm-suppress FalsableReturnStatement
         */
        return sodium_crypto_box_seal_open($ciphertext, $keypair);
    }
    if (self::use_fallback('crypto_box_seal_open')) {
        return call_user_func('\\Sodium\\crypto_box_seal_open', $ciphertext, $keypair);
    }
    if (PHP_INT_SIZE === 4) {
        return ParagonIE_Sodium_Crypto32::box_seal_open($ciphertext, $keypair);
    }
    return ParagonIE_Sodium_Crypto::box_seal_open($ciphertext, $keypair);
}