Class StandardHandlerUsingStandard40

Namespace

iText.Kernel.Crypto.Securityhandler

Assembly

itext.kernel.dll

public class StandardHandlerUsingStandard40 : StandardSecurityHandler

Inheritance

object

SecurityHandler

StandardSecurityHandler

StandardHandlerUsingStandard40

Derived

StandardHandlerUsingStandard128

Inherited Members

StandardSecurityHandler.PERMS_MASK_1_FOR_REVISION_2

StandardSecurityHandler.PERMS_MASK_1_FOR_REVISION_3_OR_GREATER

StandardSecurityHandler.PERMS_MASK_2

StandardSecurityHandler.permissions

StandardSecurityHandler.usedOwnerPassword

StandardSecurityHandler.GetPermissions()

StandardSecurityHandler.IsUsedOwnerPassword()

StandardSecurityHandler.SetStandardHandlerDicEntries(PdfDictionary, byte[], byte[])

StandardSecurityHandler.GenerateOwnerPasswordIfNullOrEmpty(byte[])

StandardSecurityHandler.GetIsoBytes(PdfString)

StandardSecurityHandler.EqualsArray(byte[], byte[], int)

SecurityHandler.mkey

SecurityHandler.nextObjectKey

SecurityHandler.nextObjectKeySize

SecurityHandler.md5

SecurityHandler.extra

SecurityHandler.SetHashKeyForNextObject(int, int)

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Constructors

StandardHandlerUsingStandard40(PdfDictionary, byte[], byte[], bool)

public StandardHandlerUsingStandard40(PdfDictionary encryptionDictionary, byte[] password, byte[] documentId, bool encryptMetadata)

Parameters

encryptionDictionary PdfDictionary

password byte[]

documentId byte[]

encryptMetadata bool

StandardHandlerUsingStandard40(PdfDictionary, byte[], byte[], int, bool, bool, byte[])

public StandardHandlerUsingStandard40(PdfDictionary encryptionDictionary, byte[] userPassword, byte[] ownerPassword, int permissions, bool encryptMetadata, bool embeddedFilesOnly, byte[] documentId)

Parameters

encryptionDictionary PdfDictionary

userPassword byte[]

ownerPassword byte[]

permissions int

encryptMetadata bool

embeddedFilesOnly bool

documentId byte[]

Fields

arcfour

protected ARCFOUREncryption arcfour

Field Value

ARCFOUREncryption

documentId

protected byte[] documentId

Field Value

byte[]

keyLength

protected int keyLength

Field Value

int

metadataPad

protected static readonly byte[] metadataPad

Field Value

byte[]

pad

protected static readonly byte[] pad

Field Value

byte[]

Methods

CalculatePermissions(int)

protected virtual void CalculatePermissions(int permissions)

Parameters

permissions int

ComputeGlobalEncryptionKey(byte[], byte[], bool)

protected virtual void ComputeGlobalEncryptionKey(byte[] userPad, byte[] ownerKey, bool encryptMetadata)

Parameters

userPad byte[]

ownerKey byte[]

encryptMetadata bool

ComputeOwnerKey(byte[], byte[])

protected virtual byte[] ComputeOwnerKey(byte[] userPad, byte[] ownerPad)

Parameters

userPad byte[]

ownerPad byte[]

Returns

byte[]

ComputeUserKey()

protected virtual byte[] ComputeUserKey()

Returns

byte[]

ComputeUserPassword(byte[], PdfDictionary)

public virtual byte[] ComputeUserPassword(byte[] ownerPassword, PdfDictionary encryptionDictionary)

Parameters

ownerPassword byte[]

encryptionDictionary PdfDictionary

Returns

byte[]

GetDecryptor()

public override IDecryptor GetDecryptor()

Returns

IDecryptor

GetEncryptionStream(Stream)

public override OutputStreamEncryption GetEncryptionStream(Stream os)

Parameters

os Stream

Returns

OutputStreamEncryption

IsValidPassword(byte[], byte[])

protected virtual bool IsValidPassword(byte[] uValue, byte[] userKey)

Parameters

uValue byte[]

userKey byte[]

Returns

bool

SetSpecificHandlerDicEntries(PdfDictionary, bool, bool)

protected virtual void SetSpecificHandlerDicEntries(PdfDictionary encryptionDictionary, bool encryptMetadata, bool embeddedFilesOnly)

Parameters

encryptionDictionary PdfDictionary

encryptMetadata bool

embeddedFilesOnly bool