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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.
Crypto-shredding is the practice of rendering encrypted data unusable by deliberately deleting or overwriting the encryption keys: assuming the key is not later recovered and the encryption is not broken, the data should become irrecoverable, effectively permanently deleted or "shredded". [1]
In addition, password-cracking programs can brute-force attack passwords at a rate of hundreds of thousands of passwords a second, which not only lets them decrypt a document but also find the original password. In Excel 2003/XP the encryption is slightly better – a user can choose any encryption algorithm that is available in the system (see ...
Vormetric Encryption DPM Version 2.1 Header [96] 00 01 00 00 4D 53 49 53 41 4D 20 44 61 74 61 62 61 73 65 ␀␁␀␀MSISAM Database: 0 mny Microsoft Money file 00 01 00 00 53 74 61 6E 64 61 72 64 20 41 43 45 20 44 42 ␀␁␀␀Standard ACE DB: 0 accdb Microsoft Access 2007 Database 00 01 00 00 53 74 61 6E 64 61 72 64 20 4A 65 74 20 44 42
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The Encrypting File System (EFS) on Microsoft Windows is a feature introduced in version 3.0 of NTFS [1] that provides filesystem-level encryption.The technology enables files to be transparently encrypted to protect confidential data from attackers with physical access to the computer.
This feature allows you manually navigate to a PFC file on your computer and to import data from that file. 1. Sign in to Desktop Gold. 2. Click the Settings icon. 3.
In cryptography, a substitution cipher is a method of encrypting in which units of plaintext are replaced with the ciphertext, in a defined manner, with the help of a key; the "units" may be single letters (the most common), pairs of letters, triplets of letters, mixtures of the above, and so forth.