Secure Hash Algorithms SHA-384 and SHA-512

Implements the Secure Hash Algorithms SHA 384 and SHA-521

Used in Qt Core (QCryptographicHash and QMessageAuthenticationCode)

The sources can be found in qt-everywhere-src-5.15.2/qtbase/src/3rdparty/rfc6234.

 Copyright (c) 2011 IETF Trust and the persons identified as authors of the code.

BSD 3-clause "New" or "Revised" License.

 Copyright (c) 2011 IETF Trust and the persons identified as
 authors of the code.  All rights reserved.

 Redistribution and use in source and binary forms, with or
 without modification, are permitted provided that the following
 conditions are met:

 - Redistributions of source code must retain the above
   copyright notice, this list of conditions and
   the following disclaimer.

 - Redistributions in binary form must reproduce the above
   copyright notice, this list of conditions and the following
   disclaimer in the documentation and/or other materials provided
   with the distribution.

 - Neither the name of Internet Society, IETF or IETF Trust, nor
   the names of specific contributors, may be used to endorse or
   promote products derived from this software without specific
   prior written permission.

 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.