IWRecoveryManager

This framework is written with the Objective-C

Constructor

Constructor

initWithName

- (instancetype)initWithKeyManager:(IWKeyManager *)keyManager

Description

• Initialize the IWRecoveryManager object by letting IWKeyManager be a parameter.

Parameters

Type	Parameter	Description
IWKeyManager	keyManager	IWKeyManager object

Return Value

• Initialized IWRecoveryManager object

Back Up

backUpStoredData

- (void)backUpStoredData:(BACKUP_OPTION)range
          encryptionType:(ENCRYPTION_TYPE)type
               backUpKey:(NSString *)key
             extraString:(nullable NSString *)extraString
            successBlock:(void(^)(NSData *backedUpData))successBlock
            failureBlock:(void(^)(NSString *errorMessage,NSUInteger errorCode))failureBlock

Description

• Creates recoverable back-up data

  Status of Key Manager must be unlocked state

Parameters

Type	Parameter	Description
BACKUP_OPTION	range	Scope of recovery
encryptionType	type	encryption type
NSString	key	Encryption key
NSString	extraString	additional data to back-up. Cannot input a nil
successBlock	successBlock	Back-up completion block
failureBlock	failureBlock	Back-up failure block

successBlock

Type	Parameter	Description
NSString	backedUpData	backed-up data

failureBlock

Type	Parameter	Description
NSString	errorMessage	failure message
NSUInteger	errorCode	failure error code

For Errorcode and other relevant message, please refer to BACKUP_Option and EXCRYPTION_TYPE.

Restore

restoreBackedUpData

- (void)restoreBackedUpData:(NSData *)backedUpData
                        key:(NSString *)key
               successBlock:(void(^)(NSString * _Nullable extraString))successBlock
               failureBlock:(void(^)(NSString *errorMessage, NSUInteger errorCode))failureBlock

Description

• Restoes data by using the recoverable back-up data. Status of Key Manager must be in unlocked status.

Parameters

Type	Parameter	Description
NSData	backedUpData	Scope of recovery
NSString	key	Recovery key
successBlock	successBlock	Recovery completion block
failureBlock	failureBlock	Recovery failure block

successBlock

Type	Parameter	Description
NSString	extraString	Additional data message to back up, it may be nil

failureBlock

Type	Parameter	Description
NSString	errorMessage	failure message
NSUInteger	errorCode	failure error code

For error code and message, please refer to IWErrorDef.h.