Upgrade Method
Upgrades existing XAdES signature to a new form.
Syntax
int Upgrade(int iToForm);
Remarks
XAdES standard defines a number of different 'forms' of signatures which can be used for different purposes. Use this method to upgrade XAdES signature to a new form specified by ToForm. Signatures can normally be upgraded from less sophisticated levels (BES, EPES) to more sophisticated (T, C, X, X-L, A).
Supported forms:
xafUnknown | 0 | |
xafBasic | 1 | XAdES form, supported by XAdES v1.1.1 |
xafBES | 2 | XAdES-BES form, supported starting from XAdES v1.2.2 |
xafEPES | 3 | XAdES-EPES form, supported starting from XAdES v1.2.2 |
xafT | 4 | XAdES-T form |
xafC | 5 | XAdES-C form |
xafX | 6 | XAdES-X form |
xafXL | 7 | XAdES-X-L form |
xafA | 8 | XAdES-A form |
xafExtendedBES | 9 | XAdES-E-BES form |
xafExtendedEPES | 10 | XAdES-E-EPES form |
xafExtendedT | 11 | XAdES-E-T form |
xafExtendedC | 12 | XAdES-E-C form |
xafExtendedX | 13 | XAdES-E-X form |
xafExtendedXLong | 14 | XAdES-E-X-Long form (type 1) |
xafExtendedXL | 15 | XAdES-E-X-L form (type 2) |
xafExtendedA | 16 | XAdES-E-A form |
Error Handling
This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)