ParagonIE_Sodium_Compat::crypto_sign_open( string $signedMessage, string $publicKey ): string

3017    public static function crypto_sign_open(3018        $signedMessage,3019        $publicKey3020    ) {3021        /* Type checks: */3022        ParagonIE_Sodium_Core_Util::declareScalarType($signedMessage, 'string', 1);3023        ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2);3024 3025        /* Input validation: */3026        if (ParagonIE_Sodium_Core_Util::strlen($signedMessage) < self::CRYPTO_SIGN_BYTES) {3027            throw new SodiumException('Argument 1 must be at least CRYPTO_SIGN_BYTES long.');3028        }3029        if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_SIGN_PUBLICKEYBYTES) {3030            throw new SodiumException('Argument 2 must be CRYPTO_SIGN_PUBLICKEYBYTES long.');3031        }3032 3033        if (self::useNewSodiumAPI()) {3034            /**3035             * @psalm-suppress InvalidReturnStatement3036             * @psalm-suppress FalsableReturnStatement3037             */3038            return sodium_crypto_sign_open($signedMessage, $publicKey);3039        }3040        if (self::use_fallback('crypto_sign_open')) {3041            return call_user_func('\\Sodium\\crypto_sign_open', $signedMessage, $publicKey);3042        }3043        if (PHP_INT_SIZE === 4) {3044            return ParagonIE_Sodium_Crypto32::sign_open($signedMessage, $publicKey);3045        }3046        return ParagonIE_Sodium_Crypto::sign_open($signedMessage, $publicKey);3047    }