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 reproducible-path/qtbase-opensource-src-5.15.8+dfsg/src/3rdparty/rfc6234.

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

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