MSMutableProtectedData appendBytes:length:error method

Článek
05/31/2018

Appends the specified number of plaintext bytes from a given buffer to the receiver. First the bytes are encrypted, and then the cipher text bytes are appended to the receiver.

Signature

- (BOOL)appendBytes:(const void *)bytes length:(NSUInteger)length error:(NSError **)errorPtr;

Parameters

Name	Datatype	Notes
bytes	const void *	Required. The buffer that contains the plaintext data to be encrypted and appended.
length	NSUInteger	Required. The number of bytes to copy.
errorPtr	NSError **	Optional. If an error occurs, contains the error code and details.

Returns

Type: BOOL

YES if the operation is successful; otherwise, NO. If the operation isn't successful, the errorPtr parameter references an NSError object that contains more information about the error.

Defined in

MSMutableProtectedData.h

Supported Platforms


Minimum supported OS versions	iOS 7.0 and OS X 10.8

Remarks

The specified number of bytes are copied from the buffer, encrypted, and appended to the receiver's data.

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