@aws-sdk/middleware-flexible-checksums
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This package provides AWS SDK for JavaScript middleware that applies a checksum of the request body as a header.
The 'aws-sdk' package is the official AWS SDK for JavaScript. It provides a comprehensive set of tools for interacting with AWS services, including S3. While it does not specifically focus on flexible checksums, it offers a wide range of functionalities for AWS services.
The 'aws4' package is a lightweight library for signing AWS requests using AWS Signature Version 4. It does not provide checksum functionality but is useful for securely signing requests to AWS services.
The 's3-upload-stream' package is a Node.js library for streaming uploads to Amazon S3. It focuses on streaming data to S3 and does not provide checksum functionality, but it is useful for handling large file uploads.
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