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In all modern character sets, the null character has a code point value of zero. In most encodings, this is translated to a single code unit with a zero value. For instance, in UTF-8 it is a single zero byte. However, in Modified UTF-8 the null character is encoded as two bytes : 0xC0,0x80. This allows the byte with the value of zero, which is ...
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The byte is a unit of digital information that most commonly consists of eight bits.Historically, the byte was the number of bits used to encode a single character of text in a computer [1] [2] and for this reason it is the smallest addressable unit of memory in many computer architectures.
The algorithm operates on plaintext blocks of 16 bytes. Encryption of shorter blocks is possible only by padding the source bytes, usually with null bytes . This can be accomplished via several methods, the simplest of which assumes that the final byte of the cipher identifies the number of null bytes of padding added.
The Albanian Wikipedia (Albanian: Wikipedia Shqip) is the Albanian language edition of Wikipedia started on 12 October 2003. As of 17 February 2025, the Wikipedia has 101,694 articles and is the 73rd-largest Wikipedia.
The American Peoples Encyclopedia (1948–1976); the 1948 edition was a 20-volume set published by Spencer Press, Inc., marketed by Sears Roebuck and Company; the 1962 edition was a revised 20-volume set published by Grolier Incorporated, and marketed by its subsidiary, The Richards Company, Inc. Asian Encyclopedia of Law: legal encyclopedia ...
The BSD documentation has been fixed to make this clear, but POSIX, Linux, and Windows documentation still uses "character" in many places where "byte" or "wchar_t" is the correct term. Functions for handling memory buffers can process sequences of bytes that include null-byte as part of the data.
Some operating systems or utilities go further by "sparsifying" files when writing or copying them: if a block contains only null bytes, it is not written to storage but rather marked as empty. When reading sparse files, the file system transparently converts metadata representing empty blocks into "real" blocks filled with null bytes at runtime.