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115 lines
4 KiB
C++
115 lines
4 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCE_MD5_H_INCLUDED
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#define JUCE_MD5_H_INCLUDED
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//==============================================================================
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/**
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MD5 checksum class.
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Create one of these with a block of source data or a stream, and it calculates
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the MD5 checksum of that data.
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You can then retrieve this checksum as a 16-byte block, or as a hex string.
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@see SHA256
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*/
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class JUCE_API MD5
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{
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public:
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//==============================================================================
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/** Creates a null MD5 object. */
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MD5() noexcept;
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/** Creates a copy of another MD5. */
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MD5 (const MD5& other) noexcept;
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/** Copies another MD5. */
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MD5& operator= (const MD5& other) noexcept;
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//==============================================================================
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/** Creates a checksum for a block of binary data. */
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explicit MD5 (const MemoryBlock& data) noexcept;
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/** Creates a checksum for a block of binary data. */
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MD5 (const void* data, size_t numBytes) noexcept;
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/** Creates a checksum for the input from a stream.
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This will read up to the given number of bytes from the stream, and produce the
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checksum of that. If the number of bytes to read is negative, it'll read
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until the stream is exhausted.
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*/
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MD5 (InputStream& input, int64 numBytesToRead = -1);
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/** Creates a checksum for a file. */
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explicit MD5 (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 MD5 checksum (myString.toUTF8());
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@endcode
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*/
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explicit MD5 (CharPointer_UTF8 utf8Text) noexcept;
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/** Destructor. */
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~MD5() noexcept;
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//==============================================================================
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/** Returns the checksum as a 16-byte block of data. */
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MemoryBlock getRawChecksumData() const;
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/** Returns a pointer to the 16-byte array of result data. */
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const uint8* getChecksumDataArray() const noexcept { return result; }
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/** Returns the checksum as a 32-digit hex string. */
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String toHexString() const;
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/** Creates an MD5 from a little-endian UTF-32 encoded string.
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Note that this method is provided for backwards-compatibility with the old
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version of this class, which had a constructor that took a string and performed
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this operation on it. In new code, you shouldn't use this, and are recommended to
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use the constructor that takes a CharPointer_UTF8 instead.
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*/
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static MD5 fromUTF32 (StringRef);
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//==============================================================================
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bool operator== (const MD5&) const noexcept;
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bool operator!= (const MD5&) const noexcept;
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private:
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//==============================================================================
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uint8 result [16];
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void processData (const void*, size_t) noexcept;
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void processStream (InputStream&, int64);
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JUCE_LEAK_DETECTOR (MD5)
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};
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#endif // JUCE_MD5_H_INCLUDED
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