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In Excel and Word 95 and prior editions a weak protection algorithm is used that converts a password to a 16-bit verifier and a 16-byte XOR obfuscation array [1] key. [4] Hacking software is now readily available to find a 16-byte key and decrypt the password-protected document. [5] Office 97, 2000, XP and 2003 use RC4 with 40 bits. [4]
Such password-protected documents are not encrypted, and data sources from a set password are saved in a document's header. Password to protect workbook is an exception – when it is set, a document is encrypted with the standard password "VelvetSweatshop", but since it is known to the public, it actually does not add any extra protection to ...
Cryptographic service providers can be used for encryption of Word, Excel, and PowerPoint documents starting from Microsoft Office XP.A standard encryption algorithm with a 40-bit key is used by default, but enabling a CSP enhances key length and thus makes decryption process more continuous.
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The password list is saved by default as a .kdbx file, but it can be exported to .txt, HTML, XML and CSV. [15] The XML output can be used in other applications and re-imported into KeePass using a plugin. The CSV output is compatible with many other password safes like the commercial closed-source Password Keeper and the closed-source Password ...
Microsoft Office 2007 SP2 does not support reading and writing encrypted (password protected) ODF files. [58] [59] [60] Users are presented with a message: “cannot use password protection using the ODF format.” [58] [60] The ISO/IEC 26300 OpenDocument standard has no spreadsheet formula language included (or referenced) in the standard ...
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