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  2. Endianness - Wikipedia

    en.wikipedia.org/wiki/Endianness

    For instance, the 32-bit desktop-oriented PowerPC processors in little-endian mode act as little-endian from the point of view of the executing programs, but they require the motherboard to perform a 64-bit swap across all 8 byte lanes to ensure that the little-endian view of things will apply to I/O devices. In the absence of this unusual ...

  3. LEB128 - Wikipedia

    en.wikipedia.org/wiki/LEB128

    LEB128 or Little Endian Base 128 is a variable-length code compression used to store arbitrarily large integers in a small number of bytes. LEB128 is used in the DWARF debug file format [ 1 ] [ 2 ] and the WebAssembly binary encoding for all integer literals.

  4. Comparison of data-serialization formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_data...

    int32: 32-bit little-endian 2's complement or int64: 64-bit little-endian 2's complement: Double: little-endian binary64: UTF-8-encoded, preceded by int32-encoded string length in bytes BSON embedded document with numeric keys BSON embedded document Concise Binary Object Representation (CBOR) \xf6 (1 byte)

  5. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    00 00 49 49 58 50 52 (little-endian) 00 00 4D 4D 58 50 52 ␀␀IIXPR ␀␀MMXPR: 0 qxd Quark Express document 50 57 53 33: PWS3: 0 psafe3 Password Gorilla Password Database D4 C3 B2 A1 (little-endian) Ôò¡ 0 pcap Libpcap File Format [2] A1 B2 C3 D4 ¡²ÃÔ: 4D 3C B2 A1 (little-endian) M<²¡ 0 pcap

  6. Byte order mark - Wikipedia

    en.wikipedia.org/wiki/Byte_order_mark

    The BOM for little-endian UTF-32 is the same pattern as a little-endian UTF-16 BOM followed by a UTF-16 NUL character, an unusual example of the BOM being the same pattern in two different encodings. Programmers using the BOM to identify the encoding will have to decide whether UTF-32 or UTF-16 with a NUL first character is more likely.

  7. Comparison of Unicode encodings - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_Unicode...

    This may be achieved by using a byte-order mark at the start of the text or assuming big-endian (RFC 2781). UTF-8, UTF-16BE, UTF-32BE, UTF-16LE and UTF-32LE are standardised on a single byte order and do not have this problem. If the byte stream is subject to corruption then some encodings recover better than others. UTF-8 and UTF-EBCDIC are ...

  8. Fletcher's checksum - Wikipedia

    en.wikipedia.org/wiki/Fletcher's_checksum

    An ordering problem that is easy to envision occurs when the data word is transferred byte-by-byte between a big-endian system and a little-endian system and the Fletcher-32 checksum is computed. If blocks are extracted from the data word in memory by a simple read of a 16-bit unsigned integer, then the values of the blocks will be different in ...

  9. Hexspeak - Wikipedia

    en.wikipedia.org/wiki/Hexspeak

    In little endian this reads FEEDFACE, "Feed Face". 0x0D15EA5E: 219540062 ("zero disease") is a flag that indicates regular boot on the GameCube and Wii consoles. [17] [18] 0xDABBAD00: 3669732608 ("dabba doo") is the name of a blog on computer security. [19] 0xDEAD2BAD: 3735890861