tweetdeck/TDOAuth — pull request #6 by stephenjames (2014-08-11 04:56:35+00:00)
Title: Fix crash when using HMAC-SHA256

This fixes a crash(EXC_BAD_ACCESS) when using HMAC-SHA256 by using
CC_SHAxxx_DIGEST_LENGTH.

Also use base64 encoding function on NSData