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f9ae6fddfd
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Fix Blowfish and Blowfish2 correctness issues and improve initialization safety
In Blowfish
- Fix incorrect F-function byte extraction (critical bug).
- Correct key-schedule handling by using `uint8_t` key bytes.
- Initialize local variables in `initialize()` to prevent UB.
- Improve decrypt loop and XOR usage for clarity and correctness.
In Blowfish2
- Zero-initialize P-array and S-boxes to guarantee deterministic state.
- Fix incorrect key size comment (448 bits, not 4224 bits).
- Improve F-function byte extraction clarity.
- Normalize round loop logic and use XOR-assignment.
Others
- Replace macro `N` with `constexpr N`.
- Add `noexcept` to internal operations.
- Add `initialize(const uint8_t*, size_t)` overload for binary keys.
- Clean up readability and internal consistency across both ciphers.
Signed-off-by: Avinal Kumar <avinal.xlvii@gmail.com>
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2025-12-04 21:11:16 +05:30 |
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ee4bd0d21d
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fix: fix blowfish2 and add more tests
Signed-off-by: Avinal Kumar <avinal.xlvii@gmail.com>
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2024-10-15 15:39:07 +05:30 |
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960c48573e
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feat: add blowfish2 128 bit implementation
- regular blowfish only uses 64 bits
- blowfish2 uses 128 bits like AES
Signed-off-by: Avinal Kumar <avinal.xlvii@gmail.com>
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2024-09-17 12:25:32 +05:30 |
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avinal
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279aaf34a4
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source files updated with uint32_t
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2021-03-07 23:46:04 +05:30 |
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avinal
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4394ff0b0d
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changed according to Google Guidelines
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2021-03-06 23:13:10 +05:30 |
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avinal
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00fb066d2d
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blowfish source file added
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2021-02-16 17:49:04 +05:30 |
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