ExportToFile Method
Exports the key to a file.
Syntax
ANSI (Cross Platform) int ExportToFile(const char* lpszFilename, int iFormat, int iKeyType); Unicode (Windows) INT ExportToFile(LPCWSTR lpszFilename, INT iFormat, INT iKeyType);
- (void)exportToFile:(NSString*)filename :(int)format :(int)keyType;
#define MID_CRYPTOKEYMANAGER_EXPORTTOFILE 6 SECUREBLACKBOX_EXTERNAL int SECUREBLACKBOX_CALL SecureBlackbox_CryptoKeyManager_Do(void *lpObj, int methid, int cparam, void *param[], int cbparam[], int64 *lpllVal);
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 (C++)
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.)