base64 encoding with ios8/ios9 api without line length limit

Question

How to base64 encode string with ios8 and ios9 api without line length limit.

I'm preparing some custom basic authentication and I need to encode credentials according to standard which means:

The resulting string is then encoded using the RFC2045-MIME variant of Base64, except not limited to 76 char/line

In old ios7 there was a method: NSData base64Encoding but now is deprecated and instead of it I have:

- (NSString *)base64EncodedStringWithOptions:
(NSDataBase64EncodingOptions)options NS_AVAILABLE(10_9, 7_0);

and the options are:

typedef NS_OPTIONS(NSUInteger, NSDataBase64EncodingOptions) {
// Use zero or one of the following to control the maximum line length after which a line ending is inserted. No line endings are inserted by default.
NSDataBase64Encoding64CharacterLineLength = 1UL << 0,
NSDataBase64Encoding76CharacterLineLength = 1UL << 1,

// Use zero or more of the following to specify which kind of line ending is inserted. The default line ending is CR LF.
NSDataBase64EncodingEndLineWithCarriageReturn = 1UL << 4,
NSDataBase64EncodingEndLineWithLineFeed = 1UL << 5,

} NS_ENUM_AVAILABLE(10_9, 7_0);

So I can choose line length 64 or 76. The base64 encoding for basic authentication don't have line length limit so how can I approach to this.

Answer 1

如果您不选择任何选项， 则不会添加行尾 。

[myData base64EncodedStringWithOptions:0]; // One long string