text: #ifdef WITH_XMSS
  /* $OpenBSD: xmss_hash.h,v 1.2 2018/02/26 03:56:44 dtucker Exp $ */
  /*
  hash.h version 20160722
  Andreas Hülsing
  Joost Rijneveld
  Public domain.
  */
  
  #ifndef HASH_H
  #define HASH_H
  
  #define IS_LITTLE_ENDIAN 1
  
  unsigned char* addr_to_byte(unsigned char *bytes, const uint32_t addr[8]);
  int prf(unsigned char *out, const unsigned char *in, const unsigned char *key, unsigned int keylen);
  int h_msg(unsigned char *out,const unsigned char *in,unsigned long long inlen, const unsigned char *key, const unsigned int keylen, const unsigned int n);
  int hash_h(unsigned char *out, const unsigned char *in, const unsigned char *pub_seed, uint32_t addr[8], const unsigned int n);
  int hash_f(unsigned char *out, const unsigned char *in, const unsigned char *pub_seed, uint32_t addr[8], const unsigned int n);
  
  #endif
  #endif /* WITH_XMSS */
  