ed25519/amd64-51-30k/sc25519.h

   1 #ifndef SC25519_H
   2 #define SC25519_H
   3
   4 #define sc25519                  crypto_sign_ed25519_amd64_51_30k_batch_sc25519
   5 #define shortsc25519             crypto_sign_ed25519_amd64_51_30k_batch_shortsc25519
   6 #define sc25519_from32bytes      crypto_sign_ed25519_amd64_51_30k_batch_sc25519_from32bytes
   7 #define shortsc25519_from16bytes crypto_sign_ed25519_amd64_51_30k_batch_shortsc25519_from16bytes
   8 #define sc25519_from64bytes      crypto_sign_ed25519_amd64_51_30k_batch_sc25519_from64bytes
   9 #define sc25519_from_shortsc     crypto_sign_ed25519_amd64_51_30k_batch_sc25519_from_shortsc
  10 #define sc25519_to32bytes        crypto_sign_ed25519_amd64_51_30k_batch_sc25519_to32bytes
  11 #define sc25519_iszero_vartime   crypto_sign_ed25519_amd64_51_30k_batch_sc25519_iszero_vartime
  12 #define sc25519_isshort_vartime  crypto_sign_ed25519_amd64_51_30k_batch_sc25519_isshort_vartime
  13 #define sc25519_lt               crypto_sign_ed25519_amd64_51_30k_batch_sc25519_lt
  14 #define sc25519_add              crypto_sign_ed25519_amd64_51_30k_batch_sc25519_add
  15 #define sc25519_sub_nored        crypto_sign_ed25519_amd64_51_30k_batch_sc25519_sub_nored
  16 #define sc25519_mul              crypto_sign_ed25519_amd64_51_30k_batch_sc25519_mul
  17 #define sc25519_mul_shortsc      crypto_sign_ed25519_amd64_51_30k_batch_sc25519_mul_shortsc
  18 #define sc25519_window4          crypto_sign_ed25519_amd64_51_30k_batch_sc25519_window4
  19 #define sc25519_window5          crypto_sign_ed25519_amd64_51_30k_batch_sc25519_window5
  20 #define sc25519_slide           crypto_sign_ed25519_amd64_51_30k_batch_sc25519_slide
  21 #define sc25519_2interleave2     crypto_sign_ed25519_amd64_51_30k_batch_sc25519_2interleave2
  22 #define sc25519_barrett crypto_sign_ed25519_amd64_51_30k_batch_sc25519_barrett
  23
  24 typedef struct
  25 {
  26   unsigned long long v[4];
  27 }
  28 sc25519;
  29
  30 typedef struct
  31 {
  32   unsigned long long v[2];
  33 }
  34 shortsc25519;
  35
  36 void sc25519_from32bytes(sc25519 *r, const unsigned char x[32]);
  37
  38 void sc25519_from64bytes(sc25519 *r, const unsigned char x[64]);
  39
  40 void sc25519_from_shortsc(sc25519 *r, const shortsc25519 *x);
  41
  42 void sc25519_to32bytes(unsigned char r[32], const sc25519 *x);
  43
  44 int sc25519_iszero_vartime(const sc25519 *x);
  45
  46 int sc25519_lt(const sc25519 *x, const sc25519 *y);
  47
  48 void sc25519_add(sc25519 *r, const sc25519 *x, const sc25519 *y);
  49
  50 void sc25519_sub_nored(sc25519 *r, const sc25519 *x, const sc25519 *y);
  51
  52 void sc25519_mul(sc25519 *r, const sc25519 *x, const sc25519 *y);
  53
  54 void sc25519_mul_shortsc(sc25519 *r, const sc25519 *x, const shortsc25519 *y);
  55
  56 /* Convert s into a representation of the form \sum_{i=0}^{63}r[i]2^(4*i)
  57  * with r[i] in {-8,...,7}
  58  */
  59 void sc25519_window4(signed char r[64], const sc25519 *s);
  60
  61 void sc25519_window5(signed char r[51], const sc25519 *s);
  62
  63 void sc25519_slide(signed char r[256], const sc25519 *s, int swindowsize);
  64
  65 void sc25519_2interleave2(unsigned char r[127], const sc25519 *s1, const sc25519 *s2);
  66
  67 void sc25519_barrett(sc25519 *r, unsigned long long x[8]);
  68
  69 #endif