Interface IDecryptor

Summary description for IEncryptor.

Namespace: Syncfusion.XlsIO.Implementation.Security

Assembly: Syncfusion.XlsIO.Portable.dll

Syntax

public interface IDecryptor

Methods

Decrypt(DataProvider, Int32, Int32, Int64)

Decrypts DataProvider and writes result back into it.

Declaration

void Decrypt(DataProvider provider, int offset, int length, long streamPosition)

Parameters

Type	Name	Description
DataProvider	provider	Provider to decrypt.
System.Int32	offset	Offset to the first byte to decrypt.
System.Int32	length	Number of bytes to decrypt.
System.Int64	streamPosition	Position of the record in the stream.

Decrypt(Byte[], Int32, Int32)

Decrypts byte array and writes result back into it.

Declaration

void Decrypt(byte[] buffer, int offset, int length)

Parameters

Type	Name	Description
System.Byte[]	buffer	Array to decrypt.
System.Int32	offset	Offset to the first byte to decrypt.
System.Int32	length	Number of bytes to decrypt.

SetDecryptionInfo(Byte[], Byte[], Byte[], String)

Sets information required to decrypt.

Declaration

bool SetDecryptionInfo(byte[] docId, byte[] encryptedDocId, byte[] digest, string password)

Parameters

Type	Name	Description
System.Byte[]	docId	Unique document id.
System.Byte[]	encryptedDocId	Encrypted document id.
System.Byte[]	digest	Digest used to verify the entered password.
System.String	password	Password to use for verification and decryption.

Returns

Type	Description
System.Boolean	True if password was verified and method succeeded.