diff options
Diffstat (limited to 'libs/libsodium/src/crypto_pwhash/argon2/blamka-round-ref.h')
| -rw-r--r-- | libs/libsodium/src/crypto_pwhash/argon2/blamka-round-ref.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libs/libsodium/src/crypto_pwhash/argon2/blamka-round-ref.h b/libs/libsodium/src/crypto_pwhash/argon2/blamka-round-ref.h new file mode 100644 index 0000000000..7a2c6eb20e --- /dev/null +++ b/libs/libsodium/src/crypto_pwhash/argon2/blamka-round-ref.h @@ -0,0 +1,40 @@ +#ifndef blamka_round_ref_H +#define blamka_round_ref_H + +#include "private/common.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 |