1259698Sdim/* 2259698Sdim * This code is derived from (original license follows): 3259698Sdim * 4259698Sdim * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc. 5259698Sdim * MD5 Message-Digest Algorithm (RFC 1321). 6259698Sdim * 7259698Sdim * Homepage: 8259698Sdim * http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5 9259698Sdim * 10259698Sdim * Author: 11259698Sdim * Alexander Peslyak, better known as Solar Designer <solar at openwall.com> 12259698Sdim * 13259698Sdim * This software was written by Alexander Peslyak in 2001. No copyright is 14259698Sdim * claimed, and the software is hereby placed in the public domain. 15259698Sdim * In case this attempt to disclaim copyright and place the software in the 16259698Sdim * public domain is deemed null and void, then the software is 17259698Sdim * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the 18259698Sdim * general public under the following terms: 19259698Sdim * 20259698Sdim * Redistribution and use in source and binary forms, with or without 21259698Sdim * modification, are permitted. 22259698Sdim * 23259698Sdim * There's ABSOLUTELY NO WARRANTY, express or implied. 24259698Sdim * 25259698Sdim * See md5.c for more information. 26259698Sdim */ 27259698Sdim 28259698Sdim#ifndef LLVM_SYSTEM_MD5_H 29259698Sdim#define LLVM_SYSTEM_MD5_H 30259698Sdim 31259698Sdim#include "llvm/ADT/SmallString.h" 32259698Sdim#include "llvm/Support/DataTypes.h" 33259698Sdim 34259698Sdimnamespace llvm { 35259698Sdim 36259698Sdimtemplate <typename T> class ArrayRef; 37259698Sdim 38259698Sdimclass MD5 { 39259698Sdim // Any 32-bit or wider unsigned integer data type will do. 40259698Sdim typedef uint32_t MD5_u32plus; 41259698Sdim 42259698Sdim MD5_u32plus a, b, c, d; 43259698Sdim MD5_u32plus hi, lo; 44259698Sdim uint8_t buffer[64]; 45259698Sdim MD5_u32plus block[16]; 46259698Sdim 47259698Sdimpublic: 48259698Sdim typedef uint8_t MD5Result[16]; 49259698Sdim 50259698Sdim MD5(); 51259698Sdim 52259698Sdim /// \brief Updates the hash for the byte stream provided. 53259698Sdim void update(ArrayRef<uint8_t> Data); 54259698Sdim 55259698Sdim /// \brief Updates the hash for the StringRef provided. 56259698Sdim void update(StringRef Str); 57259698Sdim 58259698Sdim /// \brief Finishes off the hash and puts the result in result. 59259698Sdim void final(MD5Result &result); 60259698Sdim 61259698Sdim /// \brief Translates the bytes in \p Res to a hex string that is 62259698Sdim /// deposited into \p Str. The result will be of length 32. 63259698Sdim static void stringifyResult(MD5Result &Res, SmallString<32> &Str); 64259698Sdim 65259698Sdimprivate: 66259698Sdim const uint8_t *body(ArrayRef<uint8_t> Data); 67259698Sdim}; 68259698Sdim 69259698Sdim} 70259698Sdim 71259698Sdim#endif 72