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Do SSDs use CTR mode? How does one perform a padding oracle against an SSD? I feel like we're pretty far away from the relevant context, which is users corrupting data on an SSD.

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XTS mode for block storage. Can't be CBC or CTR, where would you Store the IV or counter/nonce?

You could store it in the block metadata, which SSD flash translation layers already use for wear-leveling purposes.

This sounds more like random speculation than informed commentary.

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