cosmopolitan/third_party/argon2/blamka-round-ref.h
Justine Tunney fa20edc44d
Reduce header complexity
- Remove most __ASSEMBLER__ __LINKER__ ifdefs
- Rename libc/intrin/bits.h to libc/serialize.h
- Block pthread cancelation in fchmodat() polyfill
- Remove `clang-format off` statements in third_party
2023-11-28 14:39:42 -08:00

38 lines
2.1 KiB
C

#ifndef BLAKE_ROUND_MKA_H
#define BLAKE_ROUND_MKA_H
#include "third_party/argon2/blake2-impl.h"
#include "third_party/argon2/blake2.h"
/* designed by the Lyra PHC team */
static inline uint64_t fBlaMka(uint64_t x, uint64_t y) {
const uint64_t m = UINT64_C(0xFFFFFFFF);
const uint64_t xy = (x & m) * (y & m);
return x + y + 2 * xy;
}
#define G(a, b, c, d) \
do { \
a = fBlaMka(a, b); \
d = rotr64(d ^ a, 32); \
c = fBlaMka(c, d); \
b = rotr64(b ^ c, 24); \
a = fBlaMka(a, b); \
d = rotr64(d ^ a, 16); \
c = fBlaMka(c, d); \
b = rotr64(b ^ c, 63); \
} while ((void)0, 0)
#define BLAKE2_ROUND_NOMSG(v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, \
v12, v13, v14, v15) \
do { \
G(v0, v4, v8, v12); \
G(v1, v5, v9, v13); \
G(v2, v6, v10, v14); \
G(v3, v7, v11, v15); \
G(v0, v5, v10, v15); \
G(v1, v6, v11, v12); \
G(v2, v7, v8, v13); \
G(v3, v4, v9, v14); \
} while ((void)0, 0)
#endif /* BLAKE_ROUND_MKA_H */