AWS Security Blog

Tag: Asymmetric Cryptography

Figure 1: The steps for hybrid encryption

How to use AWS KMS RSA keys for offline encryption

This blog post discusses how you can use AWS Key Management Service (AWS KMS) RSA public keys on end clients or devices and encrypt data, then subsequently decrypt data by using private keys that are secured in AWS KMS. Asymmetric cryptography is a cryptographic system that uses key pairs. Each pair consists of a public […]

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Combining encryption and signing with AWS KMS asymmetric keys

August 31, 2021: AWS KMS is replacing the term customer master key (CMK) with AWS KMS key and KMS key. The concept has not changed. To prevent breaking changes, AWS KMS is keeping some variations of this term. More info. In this post, I discuss how to use AWS Key Management Service (KMS) to combine […]

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How to verify AWS KMS asymmetric key signatures locally with OpenSSL

August 31, 2021: AWS KMS is replacing the term customer master key (CMK) with AWS KMS key and KMS key. The concept has not changed. To prevent breaking changes, AWS KMS is keeping some variations of this term. More info. In this post, I demonstrate a sample workflow for generating a digital signature within AWS […]

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