Class MD5Decryptor

Represents an MD5Decryptor.

Inheritance

System.Object

MD5Decryptor

Implements

IDecryptor

IEncryptor

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Syncfusion.XlsIO.Implementation.Security

Assembly: Syncfusion.XlsIO.Base.dll

Syntax

[CLSCompliant(false)]
public class MD5Decryptor : IDecryptor, IEncryptor

Constructors

MD5Decryptor()

Initializes a new instance of the MD5Decryptor class.

Declaration

public MD5Decryptor()

Methods

CheckPassword(String)

Checks the password.

Declaration

public bool CheckPassword(string password)

Parameters

Type	Name	Description
System.String	password	The password.

Returns

Type
System.Boolean

Decrypt(DataProvider, Int32, Int32, Int64)

Decrypts data provider and writes data back into it.

Declaration

public void Decrypt(DataProvider provider, int offset, int length, long streamPos)

Parameters

Type	Name	Description
DataProvider	provider	Provider to decrypt.
System.Int32	offset	Offset to the data.
System.Int32	length	Size of the data to decrypt.
System.Int64	streamPos	Record position in the stream position.

Decrypt(Byte[], Int32, Int32)

Decrypts buffer and puts resulting data back into it.

Declaration

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

Parameters

Type	Name	Description
System.Byte[]	buffer	Buffer to decrypt.
System.Int32	offset	Offset to the data.
System.Int32	length	Size of the data to decrypt.

Decrypt(Stream)

Decrypts the stream.

Declaration

public MemoryStream Decrypt(Stream stream)

Parameters

Type	Name	Description
System.IO.Stream	stream	The stream.

Returns

Type
System.IO.MemoryStream

Encrypt(DataProvider, Int32, Int32, Int64)

Encrypts DataProvider and writes result back into it.

Declaration

public void Encrypt(DataProvider provider, int offset, int length, long streamPosition)

Parameters

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

Encrypt(Byte[], Int32, Int32, Int64)

Encrypts DataProvider and writes result back into it.

Declaration

public void Encrypt(byte[] data, int offset, int length, long streamPosition)

Parameters

Type	Name	Description
System.Byte[]	data	Data to encrypt.
System.Int32	offset	Offset to the first byte to encrypt.
System.Int32	length	Number of bytes to encrypt.
System.Int64	streamPosition	Position of the data in the stream.

GetFilePassRecord()

Creates FilPassRecord that corresponds to this document. This method can only be called after encryption info was set.

Declaration

public FilePassRecord GetFilePassRecord()

Returns

Type	Description
FilePassRecord	Created record.

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

Sets information required to decrypt.

Declaration

public 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
System.Boolean

SetEncryptionInfo(Byte[], String)

Sets information required to encrypt the document.

Declaration

public void SetEncryptionInfo(byte[] docId, string password)

Parameters

Type	Name	Description
System.Byte[]	docId	Unique document id.
System.String	password	Encryption password.

Implements

IDecryptor

IEncryptor