Document.Encrypt

Encrypt(Permissions, CryptoAlgorithm, IList<X509Certificate2>)

Encrypts the document.

public void Encrypt(Permissions permissions, CryptoAlgorithm cryptoAlgorithm, 
    IList<X509Certificate2> publicCertificates)

Parameter	Type	Description
permissions	Permissions	Document permissions, see Permissions for details.
cryptoAlgorithm	CryptoAlgorithm	Cryptographic algorithm, see CryptoAlgorithm for details.
publicCertificates	IList`1	The public certificates used for encryption — one per recipient.

Remarks

This method prepares for encryption. To encrypt a document, you need to call the Save method to save it.

See Also

• enum Permissions
• enum CryptoAlgorithm
• class Document
• namespace Aspose.Pdf
• assembly Aspose.PDF

---

Encrypt(string, string, DocumentPrivilege, ICustomSecurityHandler)

Encrypts the document.

public void Encrypt(string userPassword, string ownerPassword, DocumentPrivilege privileges, 
    ICustomSecurityHandler customHandler)

Parameter	Type	Description
userPassword	String	User password.
ownerPassword	String	Owner password.
privileges	DocumentPrivilege	Document permissions, see Permissions for details.
customHandler	ICustomSecurityHandler	The custom security handler.

Remarks

This method prepares for encryption. To encrypt a document, you need to call the Save method to save it.

See Also

• class DocumentPrivilege
• interface ICustomSecurityHandler
• class Document
• namespace Aspose.Pdf
• assembly Aspose.PDF

---

Encrypt(string, string, Permissions, ICustomSecurityHandler)

Encrypts the document.

public void Encrypt(string userPassword, string ownerPassword, Permissions permissions, 
    ICustomSecurityHandler customHandler)

Parameter	Type	Description
userPassword	String	User password.
ownerPassword	String	Owner password.
permissions	Permissions	Document permissions, see Permissions for details.
customHandler	ICustomSecurityHandler	The custom security handler.

Remarks

This method prepares for encryption. To encrypt a document, you need to call the Save method to save it.

See Also

• enum Permissions
• interface ICustomSecurityHandler
• class Document
• namespace Aspose.Pdf
• assembly Aspose.PDF

---

Encrypt(string, string, DocumentPrivilege, CryptoAlgorithm, bool)

Encrypts the document.

public void Encrypt(string userPassword, string ownerPassword, DocumentPrivilege privileges, 
    CryptoAlgorithm cryptoAlgorithm, bool usePdf20)

Parameter	Type	Description
userPassword	String	User password.
ownerPassword	String	Owner password.
privileges	DocumentPrivilege	Document permissions, see Permissions for details.
cryptoAlgorithm	CryptoAlgorithm	Cryptographic algorithm, see CryptoAlgorithm for details.
usePdf20	Boolean	Support for revision 6 (Extension 8).

Remarks

This method prepares for encryption. To encrypt a document, you need to call the Save method to save it.

See Also

• class DocumentPrivilege
• enum CryptoAlgorithm
• class Document
• namespace Aspose.Pdf
• assembly Aspose.PDF

---

Encrypt(string, string, Permissions, CryptoAlgorithm)

Encrypts the document.

public void Encrypt(string userPassword, string ownerPassword, Permissions permissions, 
    CryptoAlgorithm cryptoAlgorithm)

Parameter	Type	Description
userPassword	String	User password.
ownerPassword	String	Owner password.
permissions	Permissions	Document permissions, see Permissions for details.
cryptoAlgorithm	CryptoAlgorithm	Cryptographic algorithm, see CryptoAlgorithm for details.

Remarks

This method prepares for encryption. To encrypt a document, you need to call the Save method to save it.

See Also

• enum Permissions
• enum CryptoAlgorithm
• class Document
• namespace Aspose.Pdf
• assembly Aspose.PDF

---

Encrypt(string, string, Permissions, CryptoAlgorithm, bool)

Encrypts the document.

public void Encrypt(string userPassword, string ownerPassword, Permissions permissions, 
    CryptoAlgorithm cryptoAlgorithm, bool usePdf20)

Parameter	Type	Description
userPassword	String	User password.
ownerPassword	String	Owner password.
permissions	Permissions	Document permissions, see Permissions for details.
cryptoAlgorithm	CryptoAlgorithm	Cryptographic algorithm, see CryptoAlgorithm for details.
usePdf20	Boolean	Support for revision 6 (Extension 8).

Remarks

This method prepares for encryption. To encrypt a document, you need to call the Save method to save it.

See Also

• enum Permissions
• enum CryptoAlgorithm
• class Document
• namespace Aspose.Pdf
• assembly Aspose.PDF