release/src/router/libsodium/src/libsodium/crypto_pwhash/argon2/blamka-round-ref.h

   1 #ifndef blamka_round_ref_H
   2 #define blamka_round_ref_H
   3
   4 #include "argon2-impl.h"
   5
   6 /*designed by the Lyra PHC team */
   7 static inline uint64_t fBlaMka(uint64_t x, uint64_t y) {
   8     const uint64_t m = UINT64_C(0xFFFFFFFF);
   9     const uint64_t xy = (x & m) * (y & m);
  10     return x + y + 2 * xy;
  11 }
  12
  13 #define G(a, b, c, d)                                                          \
  14     do {                                                                       \
  15         a = fBlaMka(a, b);                                                     \
  16         d = rotr64(d ^ a, 32);                                                 \
  17         c = fBlaMka(c, d);                                                     \
  18         b = rotr64(b ^ c, 24);                                                 \
  19         a = fBlaMka(a, b);                                                     \
  20         d = rotr64(d ^ a, 16);                                                 \
  21         c = fBlaMka(c, d);                                                     \
  22         b = rotr64(b ^ c, 63);                                                 \
  23     } while ((void)0, 0)
  24
  25 #define BLAKE2_ROUND_NOMSG(v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,   \
  26                            v12, v13, v14, v15)                                 \
  27     do {                                                                       \
  28         G(v0, v4, v8, v12);                                                    \
  29         G(v1, v5, v9, v13);                                                    \
  30         G(v2, v6, v10, v14);                                                   \
  31         G(v3, v7, v11, v15);                                                   \
  32         G(v0, v5, v10, v15);                                                   \
  33         G(v1, v6, v11, v12);                                                   \
  34         G(v2, v7, v8, v13);                                                    \
  35         G(v3, v4, v9, v14);                                                    \
  36     } while ((void)0, 0)
  37
  38 #endif