63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
|
#ifndef UNIQUE_ID_INCLUDED
|
||
|
|
#define UNIQUE_ID_INCLUDED
|
||
|
|
|
||
|
|
// length of a unique ID (only first 6 bytes of SHA1 needed)
|
||
|
|
#define U 6
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct uniqueID {
|
||
|
|
unsigned char bytes[U];
|
||
|
|
} uniqueID;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
extern uniqueID defaultID;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
uniqueID makeUniqueID( unsigned char *inData, int inLength );
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#include "minorGems/crypto/hashes/sha1.h"
|
||
|
|
|
||
|
|
typedef SHA_CTX partialUniqueID;
|
||
|
|
|
||
|
|
|
||
|
|
// for building a unique ID from several chunks of data
|
||
|
|
partialUniqueID startUniqueID();
|
||
|
|
partialUniqueID addToUniqueID( partialUniqueID inPartial,
|
||
|
|
unsigned char *inData, int inLength );
|
||
|
|
uniqueID makeUniqueID( partialUniqueID inPartial );
|
||
|
|
|
||
|
|
|
||
|
|
// reads a unique ID from a data string
|
||
|
|
uniqueID readUniqueID( unsigned char *inBytes, int inLength,
|
||
|
|
int *outNumUsed );
|
||
|
|
|
||
|
|
|
||
|
|
// reads an array of unique IDs from a data string
|
||
|
|
// stored in space pointed to by outDest
|
||
|
|
// returns true on success
|
||
|
|
char readUniqueIDs( uniqueID *outDest, int inNumToRead,
|
||
|
|
unsigned char *inBytes, int inLength,
|
||
|
|
int *outNumUsed);
|
||
|
|
|
||
|
|
|
||
|
|
char equal( uniqueID inA, uniqueID inB );
|
||
|
|
|
||
|
|
|
||
|
|
// gets ID in hex as a \0-terminated string
|
||
|
|
// destroyed by caller
|
||
|
|
char *getHumanReadableString( uniqueID inID );
|
||
|
|
|
||
|
|
|
||
|
|
// returns true on success
|
||
|
|
char parseHumanReadableString( char *inString, uniqueID *outResult );
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|