29 lines
723 B
C
29 lines
723 B
C
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// //////////////////////////////////////////////////////////
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// hash.h
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// Copyright (c) 2014,2015 Stephan Brumme. All rights reserved.
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// see http://create.stephan-brumme.com/disclaimer.html
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//
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#pragma once
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#include <string>
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/// abstract base class
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class Hash
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{
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public:
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/// compute hash of a memory block
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virtual std::string operator()(const void* data, size_t numBytes) = 0;
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/// compute hash of a string, excluding final zero
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virtual std::string operator()(const std::string& text) = 0;
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/// add arbitrary number of bytes
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virtual void add(const void* data, size_t numBytes) = 0;
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/// return latest hash as hex characters
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virtual std::string getHash() = 0;
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/// restart
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virtual void reset() = 0;
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};
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