ExportToFile Method
Exports the key to a file.
Syntax
int ExportToFile(const QString& qsFilename, int iFormat, int iKeyType);
Remarks
Use this method to save the Key (both the public and secret parts) to the file passed via the Filename parameter.
kffUnknown | 0 | The key format was not recognized as one of the known formats. |
kffAuto | 1 | The default format in current circumstances. This depends on the key being loaded or saved. |
kffDER | 2 | DER (binary) format |
kffPEM | 3 | PEM format (base64-encoded with headers) |
kffJSON | 4 | JSON key format |
ktAuto | 0 | The default key type in current circumstances. This depends on the operation, the file content, and the storage type. |
ktPublic | 1 | The operation should be performed on a public key. |
ktSecret | 2 | The operation should be performed on a private or secret key |
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.)