importFromFile (method)
Loads a key from a file.
Syntax
- (void)importFromFile:(NSString*)filename :(int)format :(NSString*)keyAlgorithm :(NSString*)scheme :(NSString*)schemeParams :(int)keyType;
public func importFromFile(_ filename: String, _ format: Int32, _ keyAlgorithm: String, _ scheme: String, _ schemeParams: String, _ keyType: Int32) throws -> Void
Remarks
Use this method to load a key, either public or secret, from a file.
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 |