## Security

| Function | Description |
| -------- | ----------- |
| [OpenWithPassword](./openwithpassword/) | Open a password-protected PDF-document. |
| [Encrypt](./encrypt/) | Encrypt PDF-document. |
| [Decrypt](./decrypt/) | Decrypt PDF-document. |
| [SetPermissions](./setpermissions/) | Set permissions for PDF-document. |
| [GetPermissions](./getpermissions/) | Get current permissions of PDF-document. |
| [IsEncrypted](./isencrypted/) | Get encrypted status of PDF-document. |
| [SignPKCS7](./signpkcs7/) | Sign a PDF-document using PKCS#7 digital signatures. |
| [SignPKCS7Detached](./signpkcs7detached/) | Sign a PDF-document using PKCS#7 Detached digital signatures. |
| [IsSigned](./issigned/) | Get signed status of PDF-document. |
| [RemoveSigns](./removesigns/) | Remove signs from PDF-document. |


## Detailed Description

Security functions.