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Annotation of pgp/src/random.h, revision 1.1.1.3

1.1.1.3 ! root        1: /*     random.h - Header include file for random.c
        !             2:        Last revised 15 Dec 90
        !             3:        (c) 1989 Philip Zimmermann.  All rights reserved.
        !             4: */
        !             5: 
        !             6: 
        !             7: #include "usuals.h"  /* typedefs for byte, word16, boolean, etc. */
        !             8: 
        !             9: int pseudorand(void);  /* 16-bit LCG pseudorandom generator */
        !            10: 
        !            11: /*     Don't define PSEUDORANDOM unless you want only pseudorandom numbers.
        !            12:        If you do want PSEDORANDOM defined, it's better to define it right 
        !            13:        here in this include file because then you can be sure that all the 
        !            14:        files that include random.h will be properly affected. */
        !            15: /* #define PSEUDORANDOM */
        !            16: 
        !            17: #ifdef PSEUDORANDOM            /* use pseudorandom numbers */
        !            18: #define randombyte()  ((byte) pseudorand())    /* pseudorandom generator */
        !            19: #define randaccum(bitcount)            /* null function */
        !            20: #define randload(bitcount)     /* null function */
        !            21: #define randflush()            /* null function */
        !            22: #define capturecounter()       /* null function */
        !            23: #define keypress() kbhit()     /* TRUE iff keyboard input ready */
        !            24: #define getkey() getch()       /* returns data from keyboard (no echo). */
        !            25: #endif /* ifdef PSEUDORANDOM */
        !            26: 
        !            27: #ifndef PSEUDORANDOM           /* use truly random numbers */
        !            28: 
        !            29: extern int randcount;  /* number of random bytes accumulated in pool */
        !            30: 
        !            31: void capturecounter(void); /* capture a fast counter into the random pool. */
        !            32: /* Should be called when the user clicks the mouse, or from getkey(). */
        !            33: 
        !            34: short randombyte(void);        /* returns truly random byte from pool */
        !            35: 
        !            36: int getstring(char *strbuf,int maxlen,boolean echo);
        !            37: 
        !            38: void randaccum(short bitcount);        /* get this many raw random bits ready */
        !            39: 
        !            40: short randload(short bitcount);
        !            41: /* Get fresh load of raw random bits into recyclepool for key generation */
        !            42: 
        !            43: void randflush(void);  /* flush recycled random bytes */
        !            44: 
        !            45: boolean keypress(void);        /* TRUE iff keyboard input ready */
        !            46: #ifndef AMIGA
        !            47: short getkey(void);            /* returns data from keyboard (no echo). */
        !            48: #endif /* !AMIGA */
        !            49: 
        !            50: #endif                 /* ifndef PSEUDORANDOM */
        !            51: 

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