AWS Key Management Service

Create and control keys used to encrypt or digitally sign your data

Start with 20,000 free requests

per month with the AWS Free Tier

Centrally manage keys and define policies across integrated services and applications from a single point.

Encrypt data within your applications with the AWS Encryption SDK data encryption library.

Perform signing operations using asymmetric key pairs to validate digital signatures.

Securely generate hash-based message authentication codes (HMACs) that ensure message integrity and authenticity.

How it works

AWS Key Management Service (AWS KMS) lets you create, manage, and control cryptographic keys across your applications and AWS services.
What is AWS KMS? (1:33)
What is AWS KMS?

Use AWS KMS to encrypt data across your AWS workloads, digitally sign data, encrypt within your  applications using AWS Encryption SDK, and generate and verify message authentication codes (MACs).

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What is AWS KMS?

Use AWS KMS to encrypt data across your AWS workloads, digitally sign data, encrypt within your  applications using AWS Encryption SDK, and generate and verify message authentication codes (MACs).

To watch in your local language, select this video, choose the settings icon, and pick your preferred subtitle option.

Use cases

Protect your data at rest

Activate server-side encryption with AWS KMS using KMS keys that you control and manage.

Learn more about AWS service integration »

Encrypt and decrypt data

Use the AWS Encryption SDK to securely handle cryptographic operations in your applications.

Learn more about the AWS Encryption SDK »

Sign and verify digital signatures

Protect signing operations with AWS KMS using asymmetric KMS keys.

Learn more about secure data signing »

Build secure multi-tenant databases

Use the AWS Database Encryption SDK to easily encrypt and securely search sensitive records in your databases.

Learn more about the AWS Database Encryption SDK »

How to get started

Learn more about AWS KMS

Explore the AWS KMS developer guide.

Read the guide »

Contact an expert

Speak with an expert to learn more about AWS KMS.

Contact us »

Start using AWS KMS

Create, manage, and control cryptographic keys with AWS KMS.

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