/*
* This is the header file for the MD5 message - digest algorithm .
* The algorithm is due to Ron Rivest . This code was
* written by Colin Plumb in 1993 , no copyright is claimed .
* This code is in the public domain ; do with it what you wish .
*
* Equivalent code is available from RSA Data Security , Inc .
* This code has been tested against that , and is equivalent ,
* except that you don ' t need to include two pages of legalese
* with every copy .
*
* To compute the message digest of a chunk of bytes , declare an
* MD5Context structure , pass it to MD5Init , call MD5Update as
* needed on buffers full of bytes , and then call MD5Final , which
* will fill a supplied 16 - byte array with the digest .
*
* Changed so as no longer to depend on Colin Plumb ' s ` usual . h '
* header definitions
* - Ian Jackson < ian @ chiark . greenend . org . uk > .
* Still in the public domain .
*/
#ifndef VPX_MD5_UTILS_H_
#define VPX_MD5_UTILS_H_
#ifdef __cplusplus
extern "C" {
#endif
#define md5byte unsigned char
#define UWORD32 unsigned int
typedef struct MD5Context MD5Context;
struct MD5Context {
UWORD32 buf[4 ];
UWORD32 bytes[2 ];
UWORD32 in[16 ];
};
void MD5Init(struct MD5Context *context);
void MD5Update(struct MD5Context *context, md5byte const *buf, unsigned len);
void MD5Final(unsigned char digest[16 ], struct MD5Context *context);
void MD5Transform(UWORD32 buf[4 ], UWORD32 const in[16 ]);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VPX_MD5_UTILS_H_
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