# AWS Signature V4 needed for backup to S3 bucket encrypted with AWS KMS

**URL:** <https://forums.foundationdb.org/t/aws-signature-v4-needed-for-backup-to-s3-bucket-encrypted-with-aws-kms/2366>\
**Category:** Using FoundationDB\
**Created:** [September 29, 2020, 3:27am UTC](https://forums.foundationdb.org/t/aws-signature-v4-needed-for-backup-to-s3-bucket-encrypted-with-aws-kms/2366 "2020-09-29T03:27:17Z")\
**Posts on this page:** 1\
**Showing post:** 13

<div class="post-metadata">

**Author:** ![SteavedHams](https://sea1.discourse-cdn.com/foundationdb/user_avatar/forums.foundationdb.org/steavedhams/32/18_2.png) [@SteavedHams](https://forums.foundationdb.org/u/SteavedHams)\
**Post date:** [October 8, 2020, 6:49pm UTC](https://forums.foundationdb.org/t/aws-signature-v4-needed-for-backup-to-s3-bucket-encrypted-with-aws-kms/2366/13 "2020-10-08T18:49:52Z")

</div>

> <https://github.com/apple/foundationdb/issues/3866>
>
> Reference:
> https://docs.aws.amazon.com/AmazonS3/latest/API/sig-v4-authenticating-requests.html

> <https://github.com/apple/foundationdb/issues/3867>
>
> This is intended to support things like AWS session tokens via the x-amz-security-token header but in a generic way.

---

_[View the full topic](https://forums.foundationdb.org/t/aws-signature-v4-needed-for-backup-to-s3-bucket-encrypted-with-aws-kms/2366)._