ParagonIE_Sodium_Compat::crypto_sign_detached( string $message, string $secretKey ): string

3253    public static function crypto_sign_detached(3254        $message,3255        #[\SensitiveParameter]3256        $secretKey3257    ) {3258        /* Type checks: */3259        ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1);3260        ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 2);3261 3262        /* Input validation: */3263        if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_SIGN_SECRETKEYBYTES) {3264            throw new SodiumException('Argument 2 must be CRYPTO_SIGN_SECRETKEYBYTES long.');3265        }3266 3267        if (self::useNewSodiumAPI()) {3268            return sodium_crypto_sign_detached($message, $secretKey);3269        }3270        if (self::use_fallback('crypto_sign_detached')) {3271            return (string) call_user_func('\\Sodium\\crypto_sign_detached', $message, $secretKey);3272        }3273        if (PHP_INT_SIZE === 4) {3274            return ParagonIE_Sodium_Crypto32::sign_detached($message, $secretKey);3275        }3276        return ParagonIE_Sodium_Crypto::sign_detached($message, $secretKey);3277    }