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Diffstat (limited to 'src/3rd_party-static/message_broker/src/lib_messagebroker/md5.h')
| -rw-r--r-- | src/3rd_party-static/message_broker/src/lib_messagebroker/md5.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/3rd_party-static/message_broker/src/lib_messagebroker/md5.h b/src/3rd_party-static/message_broker/src/lib_messagebroker/md5.h new file mode 100644 index 0000000000..2c54c03b1b --- /dev/null +++ b/src/3rd_party-static/message_broker/src/lib_messagebroker/md5.h @@ -0,0 +1,93 @@ +/* MD5 + converted to C++ class by Frank Thilo (thilo@unix-ag.org) + for bzflag (http://www.bzflag.org) + + based on: + + md5.h and md5.c + reference implementation of RFC 1321 + + Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All + rights reserved. + + License to copy and use this software is granted provided that it + is identified as the "RSA Data Security, Inc. MD5 Message-Digest + Algorithm" in all material mentioning or referencing this software + or this function. + + License is also granted to make and use derivative works provided + that such works are identified as "derived from the RSA Data + Security, Inc. MD5 Message-Digest Algorithm" in all material + mentioning or referencing the derived work. + + RSA Data Security, Inc. makes no representations concerning either + the merchantability of this software or the suitability of this + software for any particular purpose. It is provided "as is" + without express or implied warranty of any kind. + + These notices must be retained in any copies of any part of this + documentation and/or software. + + */ + +#ifndef BZF_MD5_H +#define BZF_MD5_H + +#include <string> +#include <iostream> + +// a small class for calculating MD5 hashes of strings or byte arrays +// it is not meant to be fast or secure +// +// usage: 1) feed it blocks of uchars with update() +// 2) finalize() +// 3) get hexdigest() string +// or +// MD5(std::string).hexdigest() +// +// assumes that char is 8 bit and int is 32 bit +class MD5 +{ +public: + typedef unsigned int size_type; // must be 32bit + + MD5(); + MD5(const std::string& text); + void update(const unsigned char *buf, size_type length); + void update(const char *buf, size_type length); + MD5& finalize(); + void getdigest(char *digest) const; // digest must be 16 bytes long + std::string hexdigest() const; + friend std::ostream& operator<<(std::ostream&, MD5 md5); + +private: + void init(); + typedef unsigned char uint1; // 8bit + typedef unsigned int uint4; // 32bit + enum {blocksize = 64}; // VC6 won't eat a const static int here + + void transform(const uint1 block[blocksize]); + static void decode(uint4 output[], const uint1 input[], size_type len); + static void encode(uint1 output[], const uint4 input[], size_type len); + + bool finalized; + uint1 buffer[blocksize]; // bytes that didn't fit in last 64 byte chunk + uint4 count[2]; // 64bit counter for number of bits (lo, hi) + uint4 state[4]; // digest so far + uint1 digest[16]; // the result + + // low level logic operations + static inline uint4 F(uint4 x, uint4 y, uint4 z); + static inline uint4 G(uint4 x, uint4 y, uint4 z); + static inline uint4 H_(uint4 x, uint4 y, uint4 z); + static inline uint4 I(uint4 x, uint4 y, uint4 z); + static inline uint4 rotate_left(uint4 x, int n); + static inline void FF(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac); + static inline void GG(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac); + static inline void HH(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac); + static inline void II(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac); +}; + +std::string md5(const std::string str); + +#endif
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