AWS ACM algorithm and encryption

Question

Hi ,
I am looking to get details in algorithms in AWS ACM . Can I modify and change the custom algorithm for encryption ? Is there any way to validate it works and is compatible for my end users ?

Mojgan-Toth · Accepted Answer

Here are high level details:

* There is a Support for different encryption algorithms such as 2048-bit RSA, 256-bit ECDSA and 384-bit ECDSA
* By default, certificates issued in ACM use RSA keys with a 2048-bit modulus and SHA-256. Additionally, you can request Elliptic Curve Digital Signature Algorithm (ECDSA) certificates with either P-256 or P-384

But keep in mind that: You cannot change the algorithm for an AWS Certificate Manager (ACM) certificate after it's created.

Giovanni Lauria · Answer

Hi, AWS ACM (AWS Certificate Manager) doesn't allow direct modification or customization of encryption algorithms. It supports standard algorithms like RSA and ECDSA for SSL/TLS certificates. If you're looking to use a custom encryption algorithm, you'd need to manage the certificates yourself outside of ACM. To validate compatibility with end users, you'd typically test the certificates in a controlled environment, ensuring that client systems and browsers can establish secure connections without issues.

EXPERT

Giovanni Lauria

answered 2 years ago

EXPERT

Adeleke Adebowale .J.

reviewed 2 years ago

AWS ACM algorithm and encryption

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