– in multi-disk systems or cloud storage with deduplication, the risk changes. If the same tweak+plaintext appears across many disks, an attacker could detect duplication. Some regulatory standards (e.g., for 512e drives) now recommend AES-256 not for key strength, but to allow rekeying before hitting the bound.
Have questions about implementing XTS in your own storage system? Leave a comment or reach out. xts-aes-128
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