4749778-big.jpeg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAY55CGH2VECWAZGTW/20240308/eu-west-1/s3/
![](https://bucket-prod-01.s3.eu-west-1.amazonaws.com/uploads/content/08eb4929f247d20072178ba5ddbd0a33/talent/image/44629044aeb0b54f8e4975a3d035d93c/4/7/4749778-big.jpeg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAY55CGH2VECWAZGTW%2F20240308%2Feu-west-1%2Fs3%2Faws4_request&X-Amz-Date=20240308T215109Z&X-Amz-SignedHeaders=host&X-Amz-Expires=259200&X-Amz-Signature=ea4b9e8c6e74f688b729d981aaad9d2032ded9dff5b181e5db5ea9cdf23e4677)
![](https://global.discourse-cdn.com/getpostman/original/2X/b/b6777c1bd80368c310cc603e40d8c83d2537436d.png)
X-amz-content-sha256 - 🙋 Help - Postman Community
Adding X-Amz-Content-Sha256 to presigned URL · Issue #3708 · aws
![](https://miro.medium.com/v2/resize:fit:1400/1*ng3XNWYDMssCmmP3eo5_0A.png)
Write-up: AWS Document Signing Security Control Bypass
EC2_Examples/AWS_EC2_Example2/src/main/java/com/aws/ec2
![](https://docs.aws.amazon.com/images/marketplace/latest/userguide/images/ml-algorithm-package-images.png)
Algorithm images - AWS Marketplace
aws-sigv4 is missing the amz-content-sha256 header? · Issue #8810
![](https://miro.medium.com/v2/resize:fit:1210/1*9Vckg-0lrOCsFnxbtcs9Hw.png)
How AWS S3 Requests Are Authenticated: HMAC-SHA256
![](https://i.stack.imgur.com/KJrxY.png)
web services - AWS Upload file to S3 REST API - Missing
Missing required header for this request: x-amz-content-sha256
DevAudit/s3-upload-aws4.sh at master · sonatype-nexus-community
![](https://img-blog.csdnimg.cn/9c4a795eccd5412fa52cadc6f1296537.png)
记一次破解AWS4参数过程_aws4-hmac-sha256-CSDN博客
![](https://i.stack.imgur.com/gq1wG.png)
web services - can not add file in aws s3 bucket using