AWS hands-on documentation change
Summary
Updated the list of supported checksum algorithms to include MD5, XXHash64, XXHash3, XXHash128, and SHA-512 in addition to the previously listed SHA-1, SHA-256, CRC32, and CRC32-C.
Security assessment
This change expands documentation about data integrity verification features by listing additional checksum algorithms available in Amazon S3. While checksums are a security feature for ensuring data integrity during transfer and storage, there is no evidence in the diff that this change addresses a specific security vulnerability or incident. It appears to be a routine documentation update to reflect expanded feature availability.
Diff
diff --git a/hands-on/latest/amazon-s3-with-additional-checksums/amazon-s3-with-additional-checksums.md b/hands-on/latest/amazon-s3-with-additional-checksums/amazon-s3-with-additional-checksums.md index c874bd946..ec95fb3b5 100644 --- a//hands-on/latest/amazon-s3-with-additional-checksums/amazon-s3-with-additional-checksums.md +++ b//hands-on/latest/amazon-s3-with-additional-checksums/amazon-s3-with-additional-checksums.md @@ -24 +24 @@ With checksums, you can verify that assets are not altered when copied. Performi -[Amazon S3 offers multiple checksum options to accelerate integrity checking of data](https://aws.amazon.com/blogs/aws/new-additional-checksum-algorithms-for-amazon-s3/). These capabilities calculate a file’s checksum when a customer uploads an object. Customers migrating large volumes of data to Amazon S3 want to perform these integrity checks as a durability best practice, and to confirm that every byte is transferred without alteration. This allows customers to maintain end-to-end data integrity. The checksum is created the moment the object is uploaded, and it is preserved throughout the lifespan of the object. The same checksum is validated at the end when the object is downloaded, to offer end-to-end data integrity. The additional algorithms supported by Amazon S3 are: SHA-1, SHA-256, CRC32, and CRC32-C. With these new data integrity checking features, you can verify that your files were not altered during data transfer or during the upload or download. +[Amazon S3 offers multiple checksum options to accelerate integrity checking of data](https://aws.amazon.com/blogs/aws/new-additional-checksum-algorithms-for-amazon-s3/). These capabilities calculate a file’s checksum when a customer uploads an object. Customers migrating large volumes of data to Amazon S3 want to perform these integrity checks as a durability best practice, and to confirm that every byte is transferred without alteration. This allows customers to maintain end-to-end data integrity. The checksum is created the moment the object is uploaded, and it is preserved throughout the lifespan of the object. The same checksum is validated at the end when the object is downloaded, to offer end-to-end data integrity. The additional algorithms supported by Amazon S3 are: SHA-1, SHA-256, CRC32, CRC32-C, MD5, XXHash64, XXHash3, XXHash128, and SHA-512. With these new data integrity checking features, you can verify that your files were not altered during data transfer or during the upload or download.