Amazon S3 now supports five additional checksum algorithms
News
This article announces that Amazon S3 now supports five additional checksum algorithms, bringing the total to ten supported algorithms for data integrity verification.
- New algorithms: MD5, XXHash3, XXHash64, XXHash128, and SHA-512
- S3 validates and stores checksums alongside objects automatically
- Supports checksum validation on upload and download
- Multipart uploads use part-level checksums with composite calculation
- Default CRC64NVME checksum applied if none provided
- Works with S3 Replication and S3 Inventory for audit trails
- S3 Batch Operations can calculate checksums for existing objects at scale
- Available at no additional cost across 37 AWS Regions
Amazon S3 now provides comprehensive checksum support for end-to-end data integrity verification without additional tools or costs.
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