Adler32 Class Reference

Adler-32. More...

#include <base/security/Adler32.h>

Inherits Object, and PushInterface.

Public Member Functions
	Adler32 () noexcept
MemorySize	push (const uint8 *buffer, MemorySize size) noexcept
uint64	getTotalSize () const noexcept
uint32	getValue () const noexcept
void	setValue (uint32 value) noexcept
Public Member Functions inherited from PushInterface
virtual void	flush ()
virtual bool	pushBegin (uint64 totalSize)
virtual void	pushEnd ()

Static Public Attributes
static const unsigned int	BASE = 65521

Detailed Description

Adler-32.

Implementation of the Adler-32 checksum algorithm as specified by RFC 1950.

Should only be used for compatibility with legacy systems.

See also

CRC32

Version

1.0

Examples

testsuite/digest.cpp.

Constructor & Destructor Documentation

Adler32()

Adler32::Adler32 ( )

noexcept

Initializes object.

Member Function Documentation

getTotalSize()

uint64 Adler32::getTotalSize ( ) const

inlinenoexcept

Returns the total size of the original message.

getValue()

uint32 Adler32::getValue ( ) const

inlinenoexcept

Returns the checksum.

Examples

testsuite/digest.cpp.

push()

MemorySize Adler32::push ( const uint8 *  buffer, MemorySize  size  )

virtualnoexcept

Updates the checksum corresponding to the specified data. May be called multiple times.

Parameters

buffer	The buffer holding the data.
size	The number of octets in the buffer.

Implements PushInterface.

Examples

testsuite/digest.cpp.

setValue()

void Adler32::setValue ( uint32  value )

inlinenoexcept

Sets the checksum.

Member Data Documentation

BASE

const unsigned int Adler32::BASE = 65521

static

The largest prime smaller than 65536.