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patch 9.0.1481: decrypting with libsodium may fail if the library changes

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Problem:    Decrypting with libsodium may fail if the library changes.
Solution:   Add parameters used to the encrypted file header. (Christian
            Brabandt, closes #12279)
This commit is contained in:
Christian Brabandt
2023-04-23 17:50:22 +01:00
committed by Bram Moolenaar
parent dcd40cfca0
commit aae583441b
16 changed files with 422 additions and 121 deletions
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7
runtime/doc/editing.txt
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@ -1533,9 +1533,10 @@ To disable the encryption, reset the 'key' option to an empty value: >
You can use the 'cryptmethod' option to select the type of encryption, use one
of these: >
:setlocal cm=zip " weak method, backwards compatible
:setlocal cm=blowfish " method with flaws
:setlocal cm=blowfish2 " medium strong method
:setlocal cm=zip " weak method, backwards compatible
:setlocal cm=blowfish " method with flaws, do not use
:setlocal cm=blowfish2 " medium strong method
:setlocal cm=xchacha20v2 " medium strong method using libsodium
Do this before writing the file. When reading an encrypted file it will be
set automatically to the method used when that file was written. You can