--- title: "Asymmetric Keys Encryption Strength | Microsoft Docs" ms.custom: "" ms.date: "03/01/2017" ms.prod: sql ms.prod_service: "database-engine" ms.reviewer: "" ms.technology: security ms.topic: conceptual helpviewer_keywords: - "Best Practices [Database Engine]" ms.assetid: 235ff2ab-1c5a-45c7-a91b-9db69b958b60 author: VanMSFT ms.author: vanto --- # Asymmetric Keys Encryption Strength [!INCLUDE[appliesto-ss-xxxx-xxxx-xxx-md](../../includes/appliesto-ss-xxxx-xxxx-xxx-md.md)] This rule checks whether asymmetric keys were created by using 1024-bit or stronger encryption. ## Best Practices Recommendations Use RSA 1024-bit or stronger encryption to create asymmetric keys for data encryption. ## For More Information [Choose an Encryption Algorithm](../../relational-databases/security/encryption/choose-an-encryption-algorithm.md) ## See Also [Monitor and Enforce Best Practices by Using Policy-Based Management](../../relational-databases/policy-based-management/monitor-and-enforce-best-practices-by-using-policy-based-management.md)