Foxit PDF SDK
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Public Member Functions | |
DRMSecurityHandler () | |
Constructor function. | |
DRMSecurityHandler (SecurityHandler other) | |
Constructor, with parent class object. More... | |
string | GetDRMValue (string key) |
Get the DRM value for a specified parameter. More... | |
bool | Initialize (DRMEncryptData encrypt_data, string file_id, string initial_key) |
Initialize current DRM security handler. More... | |
bool | SetDRMValue (string key, string value) |
Set the DRM value for a specified parameter. More... | |
bool | VerifyEncryptionParams () |
Verify encryption parameters. More... | |
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SecurityHandler () | |
Constructor. | |
SecurityHandler (SecurityHandler other) | |
Constructor, with another security handler object. More... | |
virtual PDFDoc.EncryptType | GetSecurityType () |
Get the encryption type of current security handler. More... | |
bool | IsEmpty () |
Check whether current object is empty or not. More... | |
Additional Inherited Members | |
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enum | CipherType { CipherType.e_CipherNone = 0, CipherType.e_CipherRC4 = 1, CipherType.e_CipherAES = 2 } |
Enumeration for Encryption Algorithm. More... | |
This class represents a Foxit DRM(Digital Right Management) security handler, used for Foxit DRM encryption.
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Constructor, with parent class object.
[in] | other | Parent class object. |
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Get the DRM value for a specified parameter.
[in] | key | A parameter string as the key name. It should not be an empty string. Followings are pre-defined key names:
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Initialize current DRM security handler.
[in] | encrypt_data | A certificate encrypt data object. In the encryption data, cipher type should not be foxit.pdf.SecurityHandler.CipherType.e_CipherNone . |
[in] | file_id | The file identity string. |
[in] | initial_key | The user specified initial key for encryption. |
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Set the DRM value for a specified parameter.
[in] | key | A parameter string as the key name. It should not be an empty string. Followings are pre-defined key names:
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[in] | value | New value string for specified parameter. |
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Verify encryption parameters.
Foxit DRM maintains a set of encryption parameters for application purpose. Encryption parameters are stored in PDF file and protected by verification algorithm. So application can call this function to verify a DRM encrypted PDF document. If the verification is failed, that means the PDF document might be distorted.