diff options
Diffstat (limited to 'indra/llcommon/llmd5.h')
| -rw-r--r-- | indra/llcommon/llmd5.h | 104 |
1 files changed, 51 insertions, 53 deletions
diff --git a/indra/llcommon/llmd5.h b/indra/llcommon/llmd5.h index 7d6373c20c..ad063fda46 100644 --- a/indra/llcommon/llmd5.h +++ b/indra/llcommon/llmd5.h @@ -1,24 +1,24 @@ -/** +/** * @file llmd5.h * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -26,17 +26,17 @@ #ifndef LL_LLMD5_H #define LL_LLMD5_H -// LLMD5.CC - source code for the C++/object oriented translation and +// LLMD5.CC - source code for the C++/object oriented translation and // modification of MD5. -// Translation and modification (c) 1995 by Mordechai T. Abzug +// Translation and modification (c) 1995 by Mordechai T. Abzug -// This translation/ modification is provided "as is," without express or +// This translation/ modification is provided "as is," without express or // implied warranty of any kind. -// The translator/ modifier does not claim (1) that MD5 will do what you think -// it does; (2) that this translation/ modification is accurate; or (3) that -// this software is "merchantible." (Language for this disclaimer partially +// The translator/ modifier does not claim (1) that MD5 will do what you think +// it does; (2) that this translation/ modification is accurate; or (3) that +// this software is "merchantible." (Language for this disclaimer partially // copied from the disclaimer below). /* based on: @@ -67,59 +67,57 @@ documentation and/or software. */ -#include <cstdint> // uint32_t et al. +#include <cstdint> // uint32_t et al. // use for the raw digest output const int MD5RAW_BYTES = 16; // use for outputting hex digests -const int MD5HEX_STR_SIZE = 33; // char hex[MD5HEX_STR_SIZE]; with null +const int MD5HEX_STR_SIZE = 33; // char hex[MD5HEX_STR_SIZE]; with null const int MD5HEX_STR_BYTES = 32; // message system fixed size -class LL_COMMON_API LLMD5 { -// how many bytes to grab at a time when checking files - static const int BLOCK_LEN; +class LL_COMMON_API LLMD5 +{ + // how many bytes to grab at a time when checking files + static const int BLOCK_LEN; public: -// methods for controlled operation: - LLMD5 (); // simple initializer - void update (const uint8_t *input, const size_t input_length); - void update (std::istream& stream); - void update (FILE *file); - void update (const std::string& str); - void finalize (); - -// constructors for special circumstances. All these constructors finalize -// the MD5 context. - LLMD5 (const unsigned char *string); // digest string, finalize - LLMD5 (std::istream& stream); // digest stream, finalize - LLMD5 (FILE *file); // digest file, close, finalize - LLMD5 (const unsigned char *string, const unsigned int number); - -// methods to acquire finalized result - void raw_digest(unsigned char *array) const; // provide 16-byte array for binary data - void hex_digest(char *string) const; // provide 33-byte array for ascii-hex string - - friend LL_COMMON_API std::ostream& operator<< (std::ostream&, LLMD5 context); + // methods for controlled operation: + LLMD5(); // simple initializer + void update(const uint8_t* input, const size_t input_length); + void update(std::istream& stream); + void update(FILE* file); + void update(const std::string& str); + void finalize(); + + // constructors for special circumstances. All these constructors finalize + // the MD5 context. + LLMD5(const unsigned char* string); // digest string, finalize + LLMD5(std::istream& stream); // digest stream, finalize + LLMD5(FILE* file); // digest file, close, finalize + LLMD5(const unsigned char* string, const unsigned int number); + + // methods to acquire finalized result + void raw_digest(unsigned char* array) const; // provide 16-byte array for binary data + void hex_digest(char* string) const; // provide 33-byte array for ascii-hex string + + friend LL_COMMON_API std::ostream& operator<<(std::ostream&, const LLMD5& context); private: - - -// next, the private data: - uint32_t state[4]; - uint64_t count; // number of *bits*, mod 2^64 - uint8_t buffer[64]; // input buffer - uint8_t digest[16]; - uint8_t finalized; - -// last, the private methods, mostly static: - void init (); // called by all constructors - void transform (const uint8_t *buffer); // does the real update work. Note - // that length is implied to be 64. - - static void encode (uint8_t *dest, const uint32_t *src, const size_t length); - static void decode (uint32_t *dest, const uint8_t *src, const size_t length); - + // next, the private data: + uint32_t state[4]; + uint64_t count; // number of *bits*, mod 2^64 + uint8_t buffer[64]; // input buffer + uint8_t digest[16]; + bool finalized; + + // last, the private methods, mostly static: + void init(); // called by all constructors + void transform(const uint8_t* buffer); // does the real update work. Note + // that length is implied to be 64. + + static void encode(uint8_t* dest, const uint32_t* src, const size_t length); + static void decode(uint32_t* dest, const uint8_t* src, const size_t length); }; LL_COMMON_API bool operator==(const LLMD5& a, const LLMD5& b); |