25bd5d8adb
subrepo: subdir: "deps/juce" merged: "b13f9084e" upstream: origin: "https://github.com/essej/JUCE.git" branch: "sono6good" commit: "b13f9084e" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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//==============================================================================
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/**
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SHA-256 secure hash generator.
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Create one of these objects from a block of source data or a stream, and it
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calculates the SHA-256 hash of that data.
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You can retrieve the hash as a raw 32-byte block, or as a 64-digit hex string.
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@see MD5
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@tags{Cryptography}
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*/
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class JUCE_API SHA256
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{
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public:
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//==============================================================================
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/** Creates an empty SHA256 object.
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The default constructor just creates a hash filled with zeros. (This is not
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equal to the hash of an empty block of data).
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*/
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SHA256();
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/** Destructor. */
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~SHA256();
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/** Creates a copy of another SHA256. */
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SHA256 (const SHA256&);
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/** Copies another SHA256. */
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SHA256& operator= (const SHA256&);
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//==============================================================================
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/** Creates a hash from a block of raw data. */
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explicit SHA256 (const MemoryBlock& data);
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/** Creates a hash from a block of raw data. */
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SHA256 (const void* data, size_t numBytes);
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/** Creates a hash from the contents of a stream.
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This will read from the stream until the stream is exhausted, or until
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maxBytesToRead bytes have been read. If maxBytesToRead is negative, the entire
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stream will be read.
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*/
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SHA256 (InputStream& input, int64 maxBytesToRead = -1);
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/** Reads a file and generates the hash of its contents.
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If the file can't be opened, the hash will be left uninitialised (i.e. full
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of zeros).
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*/
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explicit SHA256 (const File& file);
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/** Creates a checksum from a UTF-8 buffer.
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E.g.
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@code SHA256 checksum (myString.toUTF8());
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@endcode
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*/
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explicit SHA256 (CharPointer_UTF8 utf8Text) noexcept;
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//==============================================================================
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/** Returns the hash as a 32-byte block of data. */
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MemoryBlock getRawData() const;
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/** Returns the checksum as a 64-digit hex string. */
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String toHexString() const;
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//==============================================================================
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bool operator== (const SHA256&) const noexcept;
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bool operator!= (const SHA256&) const noexcept;
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private:
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//==============================================================================
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uint8 result[32] = {};
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void process (const void*, size_t);
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JUCE_LEAK_DETECTOR (SHA256)
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};
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} // namespace juce
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