sober128.h

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/* About LibTomCrypt:
 * ---------------------------------------------------------------------
 * LibTomCrypt, modular cryptographic library -- Tom St Denis
 *
 * LibTomCrypt is a library that provides various cryptographic
 * algorithms in a highly modular and flexible manner.
 *
 * The library is free for all purposes without any express
 * guarantee it works.
 *
 * Tom St Denis, [email protected], http://www.libtom.net/LibTomCrypt/
 */
 
#ifndef _SOBER127_H
#define _SOBER127_H
 
#include "ws_symbol_export.h"
 
typedef struct _sober128_prng {
    unsigned long      R[17],          /* Working storage for the shift register */
                 initR[17],      /* saved register contents */
                 konst,          /* key dependent constant */
                 sbuf;           /* partial word encryption buffer */
 
    int          nbuf,           /* number of part-word stream bits buffered */
                 flag,           /* first add_entropy call or not? */
                 set;            /* did we call add_entropy to set key? */
 
} sober128_prng;
 
WS_DLL_PUBLIC
int sober128_start(sober128_prng *prng);
 
WS_DLL_PUBLIC
int sober128_add_entropy(const unsigned char *buf, unsigned long len, sober128_prng *prng);
 
WS_DLL_PUBLIC
unsigned long sober128_read(unsigned char *buf, unsigned long len, sober128_prng *prng);
 
#endif  /* sober128.h */