/* To be included only by sntrup761.c, provides

 * random and sha512 implementation from Dropbear.

 * Partially based on OpenSSH crypto_api.h */

/*

 * Assembled from generated headers and source files by Markus Friedl.

 * Placed in the public domain.

 */

#include "includes.h"

#include "dbrandom.h"

#include "sntrup761.h"

#if DROPBEAR_SNTRUP761

typedef int8_t crypto_int8;

typedef uint8_t crypto_uint8;

typedef int16_t crypto_int16;

typedef uint16_t crypto_uint16;

typedef int32_t crypto_int32;

typedef uint32_t crypto_uint32;

typedef int64_t crypto_int64;

typedef uint64_t crypto_uint64;

static inline void randombytes(unsigned char* buf, unsigned int len) {

    genrandom(buf, len);

}

static inline uint32_t small_random32(void) {

    uint32_t v;

    genrandom((unsigned char*)&v, sizeof(v));

    return v;

}

static int crypto_hash_sha512(uint8_t *out, const uint8_t *m,

    unsigned long long n)

{

  hash_state hs;

  sha512_init(&hs);

  sha512_process(&hs, m, n);

  return sha512_done(&hs, out);

}

#endif /* DROPBEAR_SNTRUP761 */