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path: root/libs/libsodium/src/crypto_stream/chacha20/dolbeau/u0.h
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Diffstat (limited to 'libs/libsodium/src/crypto_stream/chacha20/dolbeau/u0.h')
-rw-r--r--libs/libsodium/src/crypto_stream/chacha20/dolbeau/u0.h172
1 files changed, 86 insertions, 86 deletions
diff --git a/libs/libsodium/src/crypto_stream/chacha20/dolbeau/u0.h b/libs/libsodium/src/crypto_stream/chacha20/dolbeau/u0.h
index 17c3ff8e08..f790a8625f 100644
--- a/libs/libsodium/src/crypto_stream/chacha20/dolbeau/u0.h
+++ b/libs/libsodium/src/crypto_stream/chacha20/dolbeau/u0.h
@@ -1,86 +1,86 @@
-if (bytes > 0) {
- __m128i x_0, x_1, x_2, x_3;
- __m128i t_1;
- const __m128i rot16 =
- _mm_set_epi8(13, 12, 15, 14, 9, 8, 11, 10, 5, 4, 7, 6, 1, 0, 3, 2);
- const __m128i rot8 =
- _mm_set_epi8(14, 13, 12, 15, 10, 9, 8, 11, 6, 5, 4, 7, 2, 1, 0, 3);
- uint8_t partialblock[64];
-
- unsigned int i;
-
- x_0 = _mm_loadu_si128((__m128i*) (x + 0));
- x_1 = _mm_loadu_si128((__m128i*) (x + 4));
- x_2 = _mm_loadu_si128((__m128i*) (x + 8));
- x_3 = _mm_loadu_si128((__m128i*) (x + 12));
-
- for (i = 0; i < ROUNDS; i += 2) {
- x_0 = _mm_add_epi32(x_0, x_1);
- x_3 = _mm_xor_si128(x_3, x_0);
- x_3 = _mm_shuffle_epi8(x_3, rot16);
-
- x_2 = _mm_add_epi32(x_2, x_3);
- x_1 = _mm_xor_si128(x_1, x_2);
-
- t_1 = x_1;
- x_1 = _mm_slli_epi32(x_1, 12);
- t_1 = _mm_srli_epi32(t_1, 20);
- x_1 = _mm_xor_si128(x_1, t_1);
-
- x_0 = _mm_add_epi32(x_0, x_1);
- x_3 = _mm_xor_si128(x_3, x_0);
- x_0 = _mm_shuffle_epi32(x_0, 0x93);
- x_3 = _mm_shuffle_epi8(x_3, rot8);
-
- x_2 = _mm_add_epi32(x_2, x_3);
- x_3 = _mm_shuffle_epi32(x_3, 0x4e);
- x_1 = _mm_xor_si128(x_1, x_2);
- x_2 = _mm_shuffle_epi32(x_2, 0x39);
-
- t_1 = x_1;
- x_1 = _mm_slli_epi32(x_1, 7);
- t_1 = _mm_srli_epi32(t_1, 25);
- x_1 = _mm_xor_si128(x_1, t_1);
-
- x_0 = _mm_add_epi32(x_0, x_1);
- x_3 = _mm_xor_si128(x_3, x_0);
- x_3 = _mm_shuffle_epi8(x_3, rot16);
-
- x_2 = _mm_add_epi32(x_2, x_3);
- x_1 = _mm_xor_si128(x_1, x_2);
-
- t_1 = x_1;
- x_1 = _mm_slli_epi32(x_1, 12);
- t_1 = _mm_srli_epi32(t_1, 20);
- x_1 = _mm_xor_si128(x_1, t_1);
-
- x_0 = _mm_add_epi32(x_0, x_1);
- x_3 = _mm_xor_si128(x_3, x_0);
- x_0 = _mm_shuffle_epi32(x_0, 0x39);
- x_3 = _mm_shuffle_epi8(x_3, rot8);
-
- x_2 = _mm_add_epi32(x_2, x_3);
- x_3 = _mm_shuffle_epi32(x_3, 0x4e);
- x_1 = _mm_xor_si128(x_1, x_2);
- x_2 = _mm_shuffle_epi32(x_2, 0x93);
-
- t_1 = x_1;
- x_1 = _mm_slli_epi32(x_1, 7);
- t_1 = _mm_srli_epi32(t_1, 25);
- x_1 = _mm_xor_si128(x_1, t_1);
- }
- x_0 = _mm_add_epi32(x_0, _mm_loadu_si128((__m128i*) (x + 0)));
- x_1 = _mm_add_epi32(x_1, _mm_loadu_si128((__m128i*) (x + 4)));
- x_2 = _mm_add_epi32(x_2, _mm_loadu_si128((__m128i*) (x + 8)));
- x_3 = _mm_add_epi32(x_3, _mm_loadu_si128((__m128i*) (x + 12)));
- _mm_storeu_si128((__m128i*) (partialblock + 0), x_0);
- _mm_storeu_si128((__m128i*) (partialblock + 16), x_1);
- _mm_storeu_si128((__m128i*) (partialblock + 32), x_2);
- _mm_storeu_si128((__m128i*) (partialblock + 48), x_3);
-
- for (i = 0; i < bytes; i++) {
- c[i] = m[i] ^ partialblock[i];
- }
-
- sodium_memzero(partialblock, sizeof partialblock);
-}
+if (bytes > 0) {
+ __m128i x_0, x_1, x_2, x_3;
+ __m128i t_1;
+ const __m128i rot16 =
+ _mm_set_epi8(13, 12, 15, 14, 9, 8, 11, 10, 5, 4, 7, 6, 1, 0, 3, 2);
+ const __m128i rot8 =
+ _mm_set_epi8(14, 13, 12, 15, 10, 9, 8, 11, 6, 5, 4, 7, 2, 1, 0, 3);
+ uint8_t partialblock[64];
+
+ unsigned int i;
+
+ x_0 = _mm_loadu_si128((const __m128i*) (x + 0));
+ x_1 = _mm_loadu_si128((const __m128i*) (x + 4));
+ x_2 = _mm_loadu_si128((const __m128i*) (x + 8));
+ x_3 = _mm_loadu_si128((const __m128i*) (x + 12));
+
+ for (i = 0; i < ROUNDS; i += 2) {
+ x_0 = _mm_add_epi32(x_0, x_1);
+ x_3 = _mm_xor_si128(x_3, x_0);
+ x_3 = _mm_shuffle_epi8(x_3, rot16);
+
+ x_2 = _mm_add_epi32(x_2, x_3);
+ x_1 = _mm_xor_si128(x_1, x_2);
+
+ t_1 = x_1;
+ x_1 = _mm_slli_epi32(x_1, 12);
+ t_1 = _mm_srli_epi32(t_1, 20);
+ x_1 = _mm_xor_si128(x_1, t_1);
+
+ x_0 = _mm_add_epi32(x_0, x_1);
+ x_3 = _mm_xor_si128(x_3, x_0);
+ x_0 = _mm_shuffle_epi32(x_0, 0x93);
+ x_3 = _mm_shuffle_epi8(x_3, rot8);
+
+ x_2 = _mm_add_epi32(x_2, x_3);
+ x_3 = _mm_shuffle_epi32(x_3, 0x4e);
+ x_1 = _mm_xor_si128(x_1, x_2);
+ x_2 = _mm_shuffle_epi32(x_2, 0x39);
+
+ t_1 = x_1;
+ x_1 = _mm_slli_epi32(x_1, 7);
+ t_1 = _mm_srli_epi32(t_1, 25);
+ x_1 = _mm_xor_si128(x_1, t_1);
+
+ x_0 = _mm_add_epi32(x_0, x_1);
+ x_3 = _mm_xor_si128(x_3, x_0);
+ x_3 = _mm_shuffle_epi8(x_3, rot16);
+
+ x_2 = _mm_add_epi32(x_2, x_3);
+ x_1 = _mm_xor_si128(x_1, x_2);
+
+ t_1 = x_1;
+ x_1 = _mm_slli_epi32(x_1, 12);
+ t_1 = _mm_srli_epi32(t_1, 20);
+ x_1 = _mm_xor_si128(x_1, t_1);
+
+ x_0 = _mm_add_epi32(x_0, x_1);
+ x_3 = _mm_xor_si128(x_3, x_0);
+ x_0 = _mm_shuffle_epi32(x_0, 0x39);
+ x_3 = _mm_shuffle_epi8(x_3, rot8);
+
+ x_2 = _mm_add_epi32(x_2, x_3);
+ x_3 = _mm_shuffle_epi32(x_3, 0x4e);
+ x_1 = _mm_xor_si128(x_1, x_2);
+ x_2 = _mm_shuffle_epi32(x_2, 0x93);
+
+ t_1 = x_1;
+ x_1 = _mm_slli_epi32(x_1, 7);
+ t_1 = _mm_srli_epi32(t_1, 25);
+ x_1 = _mm_xor_si128(x_1, t_1);
+ }
+ x_0 = _mm_add_epi32(x_0, _mm_loadu_si128((const __m128i*) (x + 0)));
+ x_1 = _mm_add_epi32(x_1, _mm_loadu_si128((const __m128i*) (x + 4)));
+ x_2 = _mm_add_epi32(x_2, _mm_loadu_si128((const __m128i*) (x + 8)));
+ x_3 = _mm_add_epi32(x_3, _mm_loadu_si128((const __m128i*) (x + 12)));
+ _mm_storeu_si128((__m128i*) (partialblock + 0), x_0);
+ _mm_storeu_si128((__m128i*) (partialblock + 16), x_1);
+ _mm_storeu_si128((__m128i*) (partialblock + 32), x_2);
+ _mm_storeu_si128((__m128i*) (partialblock + 48), x_3);
+
+ for (i = 0; i < bytes; i++) {
+ c[i] = m[i] ^ partialblock[i];
+ }
+
+ sodium_memzero(partialblock, sizeof partialblock);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-01 04:08:41 +0000