e-CryptIt Engine - Checksums Xojo Plugin

CRC64 Class

A class to calculate CRC64 checksums. On strings, bytes or streams.

The class supports the following CRC64 variations:
  • GENERIC
  • Jones
  • 1B
  • WE

    Object
       CRC64

    class CRC64

    Constructors

    CRC64Constructor that takes CRC64MethodEnum selector to choose CRC64 variation.

    Properties

    ReferenceInitValueA reference starting value for the CRC for the selected CRC variation.

    Methods

    FinalGets the final checksum from the CRC.
    shared PluginVersionReturns the version number of the plugin.
    ResetResets the CRC stream.
    UpdateUpdates the CRC checksum with a string.
    UpdateByteUpdates the CRC checksum with a single byte
    UpdateMemoryBlockUpdates the CRC checksum with a memory block taking all bytes from the block.
    UpdateMemoryBlockUpdates the CRC checksum with a memory block taking selected bytes from the block.

    Enumerations

    CRC64MethodEnumA enum to supply for the CRC64 constructor to choose CRC64 variation.

    Examples

    Dim crc as CRC64 = new CRC64(CRC64.CRC64MethodEnum.CRC64_GENERIC)
    Dim value64 as UInt64
    Dim testData as String = "123456789"

    testData = testData.ConvertEncoding(Encodings.ASCII)

    value64 = crc.Update(testData, crc.ReferenceInitValue)
    MsgBox Hex(crc.Final(value61))

    Supported Platforms:

  • MacOS X Cocoa 32 bit
  • MacOS X Cocoa 64 bit
  • Windows 32 bit
  • Windows 64 bit
  • Linux 32 bit
  • Linux 64 bit
  • Linux ARM

    Unsupported Platforms:

  • MacOS X Carbon