diff options
Diffstat (limited to 'libs/libsodium/src/crypto_generichash/blake2b/ref/blake2b-compress-ref.c')
| -rw-r--r-- | libs/libsodium/src/crypto_generichash/blake2b/ref/blake2b-compress-ref.c | 186 |
1 files changed, 93 insertions, 93 deletions
diff --git a/libs/libsodium/src/crypto_generichash/blake2b/ref/blake2b-compress-ref.c b/libs/libsodium/src/crypto_generichash/blake2b/ref/blake2b-compress-ref.c index b0422c93f1..05bd59b7ee 100644 --- a/libs/libsodium/src/crypto_generichash/blake2b/ref/blake2b-compress-ref.c +++ b/libs/libsodium/src/crypto_generichash/blake2b/ref/blake2b-compress-ref.c @@ -1,93 +1,93 @@ - -#include <stdint.h> -#include <string.h> - -#include "blake2.h" -#include "private/common.h" - -CRYPTO_ALIGN(64) -static const uint64_t blake2b_IV[8] = { - 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, 0x3c6ef372fe94f82bULL, - 0xa54ff53a5f1d36f1ULL, 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL, - 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL -}; - -static const uint8_t blake2b_sigma[12][16] = { - { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, - { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 }, - { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 }, - { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 }, - { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 }, - { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 }, - { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 }, - { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 }, - { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 }, - { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0 }, - { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, - { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } -}; - -int -blake2b_compress_ref(blake2b_state *S, const uint8_t block[BLAKE2B_BLOCKBYTES]) -{ - uint64_t m[16]; - uint64_t v[16]; - int i; - - for (i = 0; i < 16; ++i) { - m[i] = LOAD64_LE(block + i * sizeof(m[i])); - } - for (i = 0; i < 8; ++i) { - v[i] = S->h[i]; - } - v[8] = blake2b_IV[0]; - v[9] = blake2b_IV[1]; - v[10] = blake2b_IV[2]; - v[11] = blake2b_IV[3]; - v[12] = S->t[0] ^ blake2b_IV[4]; - v[13] = S->t[1] ^ blake2b_IV[5]; - v[14] = S->f[0] ^ blake2b_IV[6]; - v[15] = S->f[1] ^ blake2b_IV[7]; -#define G(r, i, a, b, c, d) \ - do { \ - a = a + b + m[blake2b_sigma[r][2 * i + 0]]; \ - d = ROTR64(d ^ a, 32); \ - c = c + d; \ - b = ROTR64(b ^ c, 24); \ - a = a + b + m[blake2b_sigma[r][2 * i + 1]]; \ - d = ROTR64(d ^ a, 16); \ - c = c + d; \ - b = ROTR64(b ^ c, 63); \ - } while (0) -#define ROUND(r) \ - do { \ - G(r, 0, v[0], v[4], v[8], v[12]); \ - G(r, 1, v[1], v[5], v[9], v[13]); \ - G(r, 2, v[2], v[6], v[10], v[14]); \ - G(r, 3, v[3], v[7], v[11], v[15]); \ - G(r, 4, v[0], v[5], v[10], v[15]); \ - G(r, 5, v[1], v[6], v[11], v[12]); \ - G(r, 6, v[2], v[7], v[8], v[13]); \ - G(r, 7, v[3], v[4], v[9], v[14]); \ - } while (0) - ROUND(0); - ROUND(1); - ROUND(2); - ROUND(3); - ROUND(4); - ROUND(5); - ROUND(6); - ROUND(7); - ROUND(8); - ROUND(9); - ROUND(10); - ROUND(11); - - for (i = 0; i < 8; ++i) { - S->h[i] = S->h[i] ^ v[i] ^ v[i + 8]; - } - -#undef G -#undef ROUND - return 0; -} +
+#include <stdint.h>
+#include <string.h>
+
+#include "blake2.h"
+#include "private/common.h"
+
+CRYPTO_ALIGN(64)
+static const uint64_t blake2b_IV[8] = {
+ 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, 0x3c6ef372fe94f82bULL,
+ 0xa54ff53a5f1d36f1ULL, 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
+ 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL
+};
+
+static const uint8_t blake2b_sigma[12][16] = {
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
+ { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 },
+ { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 },
+ { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 },
+ { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 },
+ { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 },
+ { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 },
+ { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 },
+ { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 },
+ { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0 },
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
+ { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 }
+};
+
+int
+blake2b_compress_ref(blake2b_state *S, const uint8_t block[BLAKE2B_BLOCKBYTES])
+{
+ uint64_t m[16];
+ uint64_t v[16];
+ int i;
+
+ for (i = 0; i < 16; ++i) {
+ m[i] = LOAD64_LE(block + i * sizeof(m[i]));
+ }
+ for (i = 0; i < 8; ++i) {
+ v[i] = S->h[i];
+ }
+ v[8] = blake2b_IV[0];
+ v[9] = blake2b_IV[1];
+ v[10] = blake2b_IV[2];
+ v[11] = blake2b_IV[3];
+ v[12] = S->t[0] ^ blake2b_IV[4];
+ v[13] = S->t[1] ^ blake2b_IV[5];
+ v[14] = S->f[0] ^ blake2b_IV[6];
+ v[15] = S->f[1] ^ blake2b_IV[7];
+#define G(r, i, a, b, c, d) \
+ do { \
+ a = a + b + m[blake2b_sigma[r][2 * i + 0]]; \
+ d = ROTR64(d ^ a, 32); \
+ c = c + d; \
+ b = ROTR64(b ^ c, 24); \
+ a = a + b + m[blake2b_sigma[r][2 * i + 1]]; \
+ d = ROTR64(d ^ a, 16); \
+ c = c + d; \
+ b = ROTR64(b ^ c, 63); \
+ } while (0)
+#define ROUND(r) \
+ do { \
+ G(r, 0, v[0], v[4], v[8], v[12]); \
+ G(r, 1, v[1], v[5], v[9], v[13]); \
+ G(r, 2, v[2], v[6], v[10], v[14]); \
+ G(r, 3, v[3], v[7], v[11], v[15]); \
+ G(r, 4, v[0], v[5], v[10], v[15]); \
+ G(r, 5, v[1], v[6], v[11], v[12]); \
+ G(r, 6, v[2], v[7], v[8], v[13]); \
+ G(r, 7, v[3], v[4], v[9], v[14]); \
+ } while (0)
+ ROUND(0);
+ ROUND(1);
+ ROUND(2);
+ ROUND(3);
+ ROUND(4);
+ ROUND(5);
+ ROUND(6);
+ ROUND(7);
+ ROUND(8);
+ ROUND(9);
+ ROUND(10);
+ ROUND(11);
+
+ for (i = 0; i < 8; ++i) {
+ S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];
+ }
+
+#undef G
+#undef ROUND
+ return 0;
+}
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