hmac ---- Software implementation in C of the FIPS 198 Keyed-Hash Message Authentication Code HMAC for SHA2 (namely HMAC-SHA-224, HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512). Homepage: https://github.com/ogay/hmac Copyright: Copyright (C) 2005 Olivier Gay License: BSD-3-Clause Version: 2013-03-04 (5efc450f9dd204059b2f29808deaf2f8239b8129)