Class ZipCrc32
Crc32 implementation used in zip archive to verify data correctness.
Inheritance
System.Object
ZipCrc32
Namespace: Syncfusion.Compression.Zip
Assembly: Syncfusion.Compression.Portable.dll
Syntax
public class ZipCrc32 : ObjectConstructors
ZipCrc32()
Declaration
public ZipCrc32()Methods
ComputeCrc(Byte[], Int32, Int32, UInt32)
Computes crc-32 value for the buffer.
Declaration
public static uint ComputeCrc(byte[] buffer, int offset, int length, uint startCrc)Parameters
| Type | Name | Description |
|---|---|---|
| System.Byte[] | buffer | Buffer to compute crc-32 for. |
| System.Int32 | offset | Offset to the data start. |
| System.Int32 | length | Data length in bytes. |
| System.UInt32 | startCrc | Initial crc-32 value. |
Returns
| Type | Description |
|---|---|
| System.UInt32 | Updated crc-32 value. |
ComputeCrc(Stream, Int32)
Computes crc-32 value for the stream.
Declaration
public static uint ComputeCrc(Stream stream, int length)Parameters
| Type | Name | Description |
|---|---|---|
| System.IO.Stream | stream | Stream to compute crc-32 for. |
| System.Int32 | length | Data length in bytes. |
Returns
| Type | Description |
|---|---|
| System.UInt32 | Crc-32 value. |
EvaluateTable(UInt32)
Evaluates crc table.
Declaration
public static uint[] EvaluateTable(uint crcNumber)Parameters
| Type | Name | Description |
|---|---|---|
| System.UInt32 | crcNumber | "Magic" number. |
Returns
| Type | Description |
|---|---|
| System.UInt32[] | Create table. |