AWS Security ChangesHomeSearch

AWS AmazonCloudFront documentation change

Service: AmazonCloudFront · 2026-04-01 · Documentation low

File: AmazonCloudFront/latest/DeveloperGuide/CreateSignatureInCSharp.md

Summary

Added note about SHA256 support in C# RSA signing for CloudFront signatures

Security assessment

This change adds a brief note indicating SHA256 can replace SHA1 in hash algorithm parameters for CloudFront signing in C#. This promotes stronger cryptographic hashing but doesn't indicate a specific security issue being fixed.

Diff

diff --git a/AmazonCloudFront/latest/DeveloperGuide/CreateSignatureInCSharp.md b/AmazonCloudFront/latest/DeveloperGuide/CreateSignatureInCSharp.md
index fea6c43b5..f421a8bd1 100644
--- a//AmazonCloudFront/latest/DeveloperGuide/CreateSignatureInCSharp.md
+++ b//AmazonCloudFront/latest/DeveloperGuide/CreateSignatureInCSharp.md
@@ -27,0 +28,2 @@ To download the code, go to [Signature Code in C#](https://docs.aws.amazon.com/A
+  * In the RSA signing call, note that `SHA1` can be replaced with `SHA256` in the hash algorithm parameter.
+