1 files changed, 49 insertions, 0 deletions
diff --git a/libs/libsodium/src/crypto_generichash/blake2b/ref/blake2b-compress-avx2.c b/libs/libsodium/src/crypto_generichash/blake2b/ref/blake2b-compress-avx2.c
new file mode 100644
index 0000000000..7cb41fb6e7
--- /dev/null
+++ b/libs/libsodium/src/crypto_generichash/blake2b/ref/blake2b-compress-avx2.c
@@ -0,0 +1,49 @@
+
+#define BLAKE2_USE_SSSE3
+#define BLAKE2_USE_SSE41
+#define BLAKE2_USE_AVX2
+
+#include <stdint.h>
+#include <string.h>
+
+#include "blake2.h"
+#include "private/common.h"
+#include "private/sse2_64_32.h"
+
+#if defined(HAVE_AVX2INTRIN_H) && defined(HAVE_EMMINTRIN_H) && \
+    defined(HAVE_TMMINTRIN_H) && defined(HAVE_SMMINTRIN_H)
+
+# ifdef __GNUC__
+#  pragma GCC target("sse2")
+#  pragma GCC target("ssse3")
+#  pragma GCC target("sse4.1")
+#  pragma GCC target("avx2")
+# endif
+
+# include <emmintrin.h>
+# include <immintrin.h>
+# include <smmintrin.h>
+# include <tmmintrin.h>
+
+# include "blake2b-compress-avx2.h"
+
+CRYPTO_ALIGN(64)
+static const uint64_t blake2b_IV[8] = {
+    0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, 0x3c6ef372fe94f82bULL,
+    0xa54ff53a5f1d36f1ULL, 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
+    0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL
+};
+
+int
+blake2b_compress_avx2(blake2b_state *S, const uint8_t block[BLAKE2B_BLOCKBYTES])
+{
+    __m256i a = LOADU(&S->h[0]);
+    __m256i b = LOADU(&S->h[4]);
+    BLAKE2B_COMPRESS_V1(a, b, block, S->t[0], S->t[1], S->f[0], S->f[1]);
+    STOREU(&S->h[0], a);
+    STOREU(&S->h[4], b);
+
+    return 0;
+}
+
+#endif