feat: add gmssl headers

include/gmssl/sm3_x8_avx2.h

@@ -0,0 +1,33 @@
+/*
+ *  Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the License); you may
+ *  not use this file except in compliance with the License.
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+#ifndef GMSSL_SM3_X8_AVX2_H
+#define GMSSL_SM3_X8_AVX2_H
+
+#include <stdint.h>
+#include <immintrin.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+typedef struct {
+	__m256i digest[8];
+} SM3_X8_CTX;
+
+void sm3_x8_init(SM3_X8_CTX *ctx);
+void sm3_x8_compress_blocks(__m256i digest[8], const uint8_t *data, size_t datalen);
+void sm3_x8_digest(const uint8_t *data, size_t datalen, uint8_t dgst[8][32]);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif