2 * This code is derived from (original license follows):
4 * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
5 * MD5 Message-Digest Algorithm (RFC 1321).
8 * http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5
11 * Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
13 * This software was written by Alexander Peslyak in 2001. No copyright is
14 * claimed, and the software is hereby placed in the public domain.
15 * In case this attempt to disclaim copyright and place the software in the
16 * public domain is deemed null and void, then the software is
17 * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the
18 * general public under the following terms:
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted.
23 * There's ABSOLUTELY NO WARRANTY, express or implied.
25 * See md5.c for more information.
28 #ifndef LLVM_SUPPORT_MD5_H
29 #define LLVM_SUPPORT_MD5_H
31 #include "llvm/ADT/ArrayRef.h"
32 #include "llvm/ADT/SmallString.h"
33 #include "llvm/Support/DataTypes.h"
38 // Any 32-bit or wider unsigned integer data type will do.
39 typedef uint32_t MD5_u32plus;
41 MD5_u32plus a, b, c, d;
44 MD5_u32plus block[16];
47 typedef uint8_t MD5Result[16];
51 /// \brief Updates the hash for the byte stream provided.
52 void update(ArrayRef<uint8_t> Data);
54 /// \brief Updates the hash for the StringRef provided.
55 void update(StringRef Str);
57 /// \brief Finishes off the hash and puts the result in result.
58 void final(MD5Result &result);
60 /// \brief Translates the bytes in \p Res to a hex string that is
61 /// deposited into \p Str. The result will be of length 32.
62 static void stringifyResult(MD5Result &Res, SmallString<32> &Str);
65 const uint8_t *body(ArrayRef<uint8_t> Data);