Python tool and library for decrypting and encrypting MS Office files using passwords or other keys
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Updated
Nov 4, 2026 - Python
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ms-offcrypto
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Microsoft Office's legacy password tables (XorMatrix, InitialCode) rebuilt as a CRC-16; Windows HashData's table is Pearson's 1990 Table I, transposed
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Updated
Oct 20, 2026 - Python
Microsoft Office document encryption per MS-OFFCRYPTO: detect, decrypt and encrypt, with key material that zeroizes on drop
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Updated
Oct 29, 2026 - Rust
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