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68251Re: Encryption: Vim should use authenticated encryption mode

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  • Ulrik
    Feb 14, 2013
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      Hi,

      On 2013-02-15 03:05, Mosh wrote:
      > Ulrik,
      >
      > Any one random bit flip will cause to one block (8 bytes) to be
      > corrupted at that point,

      This is my experience too.

      > and then all bytes thereafter will be corrupted.

      But not this!

      > Not just 1 bit
      > corruption in encrypted text.

      Just one 1 bit change works fine if you modify near the end of the file.

      -ulrik

      >
      > And if you encrypt two text files with 1 bit difference, they should
      > be completely
      > different when encrypted. Even same text file will come out different
      > each time it is
      > written encrypted. Because a random seed is also used.
      >
      > Let me do more tests, and check how you got 1 bit difference. I am
      > using an older gvim73,
      > that I compiled myself.
      >
      > thanks for the report,
      > mohsin

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