Search results
Results from the WOW.Com Content Network
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]
List of file signatures. This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes.
PDF is a standard for encoding documents in an "as printed" form that is portable between systems. However, the suitability of a PDF file for archival preservation depends on options chosen when the PDF is created: most notably, whether to embed the necessary fonts for rendering the document; whether to use encryption; and whether to preserve additional information from the original document ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 16 October 2024. Portable Document Format, a digital file format For other uses, see PDF (disambiguation). Portable Document Format Adobe PDF icon Filename extension.pdf Internet media type application/pdf, application/x-pdf application/x-bzpdf application/x-gzpdf Type code PDF (including a single ...
Microsoft Word's native file formats are denoted either by a .doc or .docx filename extension. Although the .doc extension has been used in many different versions of Word, it actually encompasses four distinct file formats: Word for DOS; Word for Windows 1 and 2; Word 3 and 4 for Mac OS; Word 6 and Word 95 for Windows; Word 6 for Mac OS
The Open Document Format for Office Applications (ODF), also known as OpenDocument, standardized as ISO 26300, is an open file format for word processing documents, spreadsheets, presentations and graphics and using ZIP-compressed [6] XML files. It was developed with the aim of providing an open, XML-based file format specification for office ...
A computer program is a sequence or set [ a ] of instructions in a programming language for a computer to execute. It is one component of software, which also includes documentation and other intangible components. [ 1 ] A computer program in its human-readable form is called source code.
Password strength is specified by the amount of information entropy, which is measured in shannon (Sh) and is a concept from information theory. It can be regarded as the minimum number of bits necessary to hold the information in a password of a given type.