From 9f31f7c3055a3c028c54888832ed61c6912aac41 Mon Sep 17 00:00:00 2001 From: Eric Christopher Date: Tue, 21 May 2013 01:28:35 +0000 Subject: Add an md5 library derived from a public domain implementation for dwarf4 type signature computation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182348 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Support/MD5.h | 59 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 include/llvm/Support/MD5.h (limited to 'include/llvm/Support/MD5.h') diff --git a/include/llvm/Support/MD5.h b/include/llvm/Support/MD5.h new file mode 100644 index 0000000000..fd52ca54e1 --- /dev/null +++ b/include/llvm/Support/MD5.h @@ -0,0 +1,59 @@ +/* + * This code is derived from (original license follows): + * + * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc. + * MD5 Message-Digest Algorithm (RFC 1321). + * + * Homepage: + * http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5 + * + * Author: + * Alexander Peslyak, better known as Solar Designer + * + * This software was written by Alexander Peslyak in 2001. No copyright is + * claimed, and the software is hereby placed in the public domain. + * In case this attempt to disclaim copyright and place the software in the + * public domain is deemed null and void, then the software is + * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the + * general public under the following terms: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted. + * + * There's ABSOLUTELY NO WARRANTY, express or implied. + * + * See md5.c for more information. + */ + +#ifndef LLVM_SYSTEM_MD5_H +#define LLVM_SYSTEM_MD5_H + +#include "llvm/Support/DataTypes.h" + +namespace llvm { + +class MD5 { + // Any 32-bit or wider unsigned integer data type will do. + typedef uint32_t MD5_u32plus; + + MD5_u32plus a, b, c, d; + MD5_u32plus hi, lo; + unsigned char buffer[64]; + MD5_u32plus block[16]; + + public: + MD5(); + + /// \brief Updates the hash for arguments provided. + void Update(void *data, unsigned long size); + + /// \brief Finishes off the hash and puts the result in result. + void Final(unsigned char *result); + +private: + void *body(void *data, unsigned long size); +}; + +} + +#endif -- cgit v1.2.3