e-CryptIt Engine - Checksums Xojo Plugin |
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CRC32 Class
A class to calculate CRC32 checksums. On strings, bytes or streams.
The class supports the following CRC32 variations:
GENERIC
BZIP2
MPEG2
POSIX
JAMCRC
C
D
Q
XFER
Constructors
CRC32 (console safe) | Constructor that takes CRC32MethodEnum selector to choose CRC32 variation. |
CRC32 (console safe) | A constructor to create instance of CRC32 with settings for custom variation. |
Properties
ReferenceInitValue (console safe) | A reference starting value for the CRC for the selected CRC variation. |
Methods
Final (console safe) | Gets the final checksum from the CRC. |
shared PluginVersion | Returns the version number of the plugin. |
Reset (console safe) | Resets the CRC stream. |
Update (console safe) | Updates the CRC checksum with a string. |
UpdateByte (console safe) | Updates the CRC checksum with a single byte |
UpdateMemoryBlock (console safe) | Updates the CRC checksum with a memory block taking all bytes from the block. |
UpdateMemoryBlock (console safe) | Updates the CRC checksum with a memory block taking selected bytes from the block. |
Enumerations
CRC32MethodEnum | A enum to supply for the CRC32 constructor to choose CRC132 variation. |
Examples
Dim crc as CRC32 = new CRC32(CRC32.CRC32MethodEnum.CRC32_GENERIC)
Dim value32 as UInt32
Dim testData as String = "123456789"
testData = testData.ConvertEncoding(Encodings.ASCII)
value32 = crc.Update(testData, crc.ReferenceInitValue)
MsgBox Hex(crc.Final(value32))
Supported Platforms:
macOS Intel 64 bitmacOS Apple SiliconWindows 32 bitWindows 64 bitWindows ARM 64 bitLinux 32 bitLinux 64 bitLinux ARM 32 bitLinux ARM 64 bitiOS