Update Kyber-512 to ML-KEM-768

include/gmssl/sha3.h

@@ -0,0 +1,48 @@
+/*
+ *  Copyright 2014-2026 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_SHA3_H
+#define GMSSL_SHA3_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define SHA3_256_DIGEST_SIZE 32
+#define SHA3_512_DIGEST_SIZE 64
+
+typedef struct {
+	uint64_t state[25];
+	uint8_t block[168];
+	size_t rate;
+	size_t num;
+	int squeezing;
+} SHAKE_CTX;
+
+void sha3_256(const uint8_t *in, size_t inlen, uint8_t out[SHA3_256_DIGEST_SIZE]);
+void sha3_512(const uint8_t *in, size_t inlen, uint8_t out[SHA3_512_DIGEST_SIZE]);
+
+void shake128_init(SHAKE_CTX *ctx);
+void shake256_init(SHAKE_CTX *ctx);
+void shake_update(SHAKE_CTX *ctx, const uint8_t *in, size_t inlen);
+void shake_finish(SHAKE_CTX *ctx);
+void shake_squeeze(SHAKE_CTX *ctx, uint8_t *out, size_t outlen);
+
+void shake128(const uint8_t *in, size_t inlen, uint8_t *out, size_t outlen);
+void shake256(const uint8_t *in, size_t inlen, uint8_t *out, size_t outlen);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif