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636eb393e0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219121 91177308-0d34-0410-b5e6-96231b3b80d8
71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
/*
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* This code is derived from (original license follows):
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*
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* This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
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* MD5 Message-Digest Algorithm (RFC 1321).
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*
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* Homepage:
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* http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5
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*
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* Author:
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* Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
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*
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* This software was written by Alexander Peslyak in 2001. No copyright is
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* claimed, and the software is hereby placed in the public domain.
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* In case this attempt to disclaim copyright and place the software in the
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* public domain is deemed null and void, then the software is
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* Copyright (c) 2001 Alexander Peslyak and it is hereby released to the
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* general public under the following terms:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted.
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*
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* There's ABSOLUTELY NO WARRANTY, express or implied.
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*
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* See md5.c for more information.
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*/
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#ifndef LLVM_SUPPORT_MD5_H
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#define LLVM_SUPPORT_MD5_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Support/DataTypes.h"
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namespace llvm {
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class MD5 {
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// Any 32-bit or wider unsigned integer data type will do.
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typedef uint32_t MD5_u32plus;
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MD5_u32plus a, b, c, d;
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MD5_u32plus hi, lo;
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uint8_t buffer[64];
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MD5_u32plus block[16];
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public:
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typedef uint8_t MD5Result[16];
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MD5();
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/// \brief Updates the hash for the byte stream provided.
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void update(ArrayRef<uint8_t> Data);
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/// \brief Updates the hash for the StringRef provided.
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void update(StringRef Str);
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/// \brief Finishes off the hash and puts the result in result.
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void final(MD5Result &Result);
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/// \brief Translates the bytes in \p Res to a hex string that is
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/// deposited into \p Str. The result will be of length 32.
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static void stringifyResult(MD5Result &Result, SmallString<32> &Str);
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private:
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const uint8_t *body(ArrayRef<uint8_t> Data);
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};
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}
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#endif
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