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Add support for hash chaining to detect modifications in postings #2300

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Add support for hash chaining to detect modifications in postings #2300

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Commits on Nov 23, 2023

  1. Add support for hash chaining to detect modifications in postings 

    The following details of a posting contribute to its hash:

  fullname of account
  string representation of amount

Each posting hashes contributes to the transaction hash, which is compromised
of:

  previous transaction’s hash (as encountered in parsing order)
  actual date
  optional auxiliary date
  optional code
  payee
  hashes of all postings

Note that this means that changes in the “code” or any of the comments
    @jwiegley
    jwiegley committed Nov 23, 2023
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  2. --hashes option requires an argument to specify the algorithm 

    At the moment only "sha512" or "SHA512" is accepted, but this could extend to
more algorithms in the future.
    @jwiegley
    jwiegley committed Nov 23, 2023
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  3. Add positive and negative tests for the --hashes option

    @jwiegley
    jwiegley committed Nov 23, 2023
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  4. Add documentation for the --hashes option

    @jwiegley
    jwiegley committed Nov 23, 2023
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Commits on Nov 25, 2023

  1. Make xact hashes independent of posting order 

    Also, support matching provided hashes against a prefixed of the generated
hash.
    @jwiegley
    jwiegley committed Nov 25, 2023
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Commits on Nov 27, 2023

  1. Improvements to the hashing tests

    @jwiegley
    jwiegley committed Nov 27, 2023
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Commits on Nov 28, 2023

  1. Add further documentation on the --hashes option

    @jwiegley
    jwiegley committed Nov 28, 2023
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Commits on Nov 30, 2023

  1. Add support for --hashes=sha512_256 as another algorithm

    @jwiegley
    jwiegley committed Nov 30, 2023
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Commits on Dec 6, 2023

  1. Update doc/ledger.1 

    Co-authored-by: Alexis Hildebrandt <afh@surryhill.net>
    @jwiegley @afh
    jwiegley and afh committed Dec 6, 2023
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  2. Update doc/ledger.1 

    Co-authored-by: Alexis Hildebrandt <afh@surryhill.net>
    @jwiegley @afh
    jwiegley and afh committed Dec 6, 2023
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  3. Update src/sha512.cc 

    Co-authored-by: Alexis Hildebrandt <afh@surryhill.net>
    @jwiegley @afh
    jwiegley and afh committed Dec 6, 2023
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Commits on Dec 11, 2023

  1. Update src/sha512.cc 

    Co-authored-by: Alexis Hildebrandt <afh@surryhill.net>
    @jwiegley @afh
    jwiegley and afh committed Dec 11, 2023
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  2. Minor doc update

    @jwiegley
    jwiegley committed Dec 11, 2023
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Commits on Dec 12, 2023

  1. Type signature fix

    @jwiegley
    jwiegley committed Dec 12, 2023
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  2. Revert a type change

    @jwiegley
    jwiegley committed Dec 12, 2023
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  3. Try something else

    @jwiegley
    jwiegley committed Dec 12, 2023
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  4. Fix return type of SHA512

    @jwiegley
    jwiegley committed Dec 12, 2023
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  5. Include stdint.h in sha512.cc

    @jwiegley
    jwiegley committed Dec 12, 2023
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  6. Include sys/types.h

    @jwiegley
    jwiegley committed Dec 12, 2023
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  7. Remove most changes to sha512.cc

    @jwiegley
    jwiegley committed Dec 12, 2023
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  8. Change one prototype

    @jwiegley
    jwiegley committed Dec 12, 2023
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  9. Revert all changes to sha512.c

    @jwiegley
    jwiegley committed Dec 12, 2023
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  10. Add two missing system headers to sha512.cc

    @jwiegley
    jwiegley committed Dec 12, 2023
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Commits on Dec 13, 2023

  1. Rename SHA-512/256 to the more appropriate SHA-512Half

    @jwiegley
    jwiegley committed Dec 13, 2023
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  2. Add whitespace to xact_t::hash

    @jwiegley
    jwiegley committed Dec 13, 2023
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  3. Another whitespace change

    @jwiegley
    jwiegley committed Dec 13, 2023
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Commits on Jan 4, 2024

  1. Merge remote-tracking branch 'origin/master' into johnw/hashes

    @jwiegley
    jwiegley committed Jan 4, 2024
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Commits on Jan 18, 2024

  1. Expand the size of an arbitrary safety limit

    @jwiegley
    jwiegley committed Jan 18, 2024
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  2. Change an assertion into an if test

    @jwiegley
    jwiegley committed Jan 18, 2024
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Commits on Jan 31, 2024

  1. Merge remote-tracking branch 'origin/master' into johnw/hashes

    @jwiegley
    jwiegley committed Jan 31, 2024
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