Comment on Indestructible quartz crystal can store 360TB of data for billions of years

• GBU_28@lemm.ee ⁨1⁩ ⁨month⁩ ago

  Say checksum again

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  • 01189998819991197253@infosec.pub ⁨1⁩ ⁨month⁩ ago

    Checksum

    Image

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    • GBU_28@lemm.ee ⁨1⁩ ⁨month⁩ ago

      Image

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• possiblylinux127@lemmy.zip ⁨1⁩ ⁨month⁩ ago

  What would be the point? You would just know that the data is invalid. You couldn’t fix it

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  • deegeese@sopuli.xyz ⁨1⁩ ⁨month⁩ ago

    Use the checksum to correct the read, just like always. You don’t repair damaged ROM anyway.

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    • possiblylinux127@lemmy.zip ⁨1⁩ ⁨month⁩ ago

      You can’t

      That’s not what a checksum is

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      • deegeese@sopuli.xyz ⁨1⁩ ⁨month⁩ ago

        Don’t make me show you the wikipedia article.

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      • DaPorkchop_@lemmy.ml ⁨1⁩ ⁨month⁩ ago

        They probably mean EC code? That said, you can use checksums to “correct” errors if you have redundant copies of the data (by reading from the other copy if one copy has a bad checksum)

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