I got SignatureDoesNotMatch error calling Cloud Storage’s XML API using aws-sdk-go-v2. SignatureDoesNotMatch is an error occurs when signature in Authorization header is not valid. I think the cause of the issue is that Google’s internal system modifies header accept-encoding: identity to accept-e…

Hi @kofuk , Welcome to Google Cloud Community! You’re encountering a “SignatureDoesNotMatch” error when using aws-sdk-go-v2 with Cloud Storage XML API, likely due to server-side modification of the accept-encoding header. Solutions: Exclude accept-encoding from signature calculation: preferred …

Server-side modification of header seems to cause SignatureDoesNotMatch error

Google Cloud Compute Infrastructure

kofuk January 10, 2024, 2:23pm 3

Thank you for your response!

I’ll avoid the error using solution 1.

Topic		Replies	Views
How do you use gcs signed URL to do multipart upload? Compute Infrastructure cloud-storage	2	389	October 29, 2024
Using S3 interface with GCS, uploads are corrupted because server is storing embedded chunk-signatur Compute Infrastructure cloud-storage , filestore	6	87	February 14, 2025
Google Cloud Media CDN signature with headers Compute Infrastructure cloud-storage , cloud-cdn	3	133	February 12, 2025

Server-side modification of header seems to cause SignatureDoesNotMatch error

AI Suggested topics