s3etag

Calculate S3 ETag for multipart uploads.

Installation

cargo install --path . --features cli

Usage

Library

use s3etag;

let digest = s3etag::compute(b"hello");
println!("{:x}", digest); // 62109206880d38a4010a98e11243924a-1

CLI

# Calculate ETag with default 8MB chunk size
s3etag file.txt

# Calculate ETag with custom chunk size (in MB)
s3etag -c 16 file.txt

# Verify against expected ETag
s3etag -e "expected-etag-here" file.txt

License

MIT