feat: add gmssl headers

include/gmssl/sha3.h

@@ -0,0 +1,92 @@
+/*
+ *  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_SHA3_H
+#define GMSSL_SHA3_H
+
+
+#include <string.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define SHA3_KECCAK_P_SIZE (1600/8)
+
+#define SHA3_224_DIGEST_SIZE (224/8)
+#define SHA3_256_DIGEST_SIZE (256/8)
+#define SHA3_384_DIGEST_SIZE (384/8)
+#define SHA3_512_DIGEST_SIZE (512/8)
+
+#define SHA3_224_CAPACITY (SHA3_224_DIGEST_SIZE * 2)
+#define SHA3_256_CAPACITY (SHA3_256_DIGEST_SIZE * 2)
+#define SHA3_384_CAPACITY (SHA3_384_DIGEST_SIZE * 2)
+#define SHA3_512_CAPACITY (SHA3_512_DIGEST_SIZE * 2)
+
+#define SHA3_224_BLOCK_SIZE (SHA3_KECCAK_P_SIZE - SHA3_224_CAPACITY) // 144
+#define SHA3_256_BLOCK_SIZE (SHA3_KECCAK_P_SIZE - SHA3_224_CAPACITY) // 136
+#define SHA3_384_BLOCK_SIZE (SHA3_KECCAK_P_SIZE - SHA3_224_CAPACITY) // 104
+#define SHA3_512_BLOCK_SIZE (SHA3_KECCAK_P_SIZE - SHA3_224_CAPACITY) // 72
+
+
+typedef struct {
+	uint64_t A[5][5];
+	uint8_t buf[SHA3_224_BLOCK_SIZE];
+	int num;
+} SHA3_224_CTX;
+
+void sha3_224_init(SHA3_224_CTX *ctx);
+void sha3_224_update(SHA3_224_CTX *ctx, const uint8_t *data, size_t datalen);
+void sha3_224_finish(SHA3_224_CTX *ctx, uint8_t dgst[SHA3_224_DIGEST_SIZE]);
+
+typedef struct {
+	uint64_t A[5][5];
+	uint8_t buf[SHA3_256_BLOCK_SIZE];
+	int num;
+} SHA3_256_CTX;
+
+void sha3_256_init(SHA3_256_CTX *ctx);
+void sha3_256_update(SHA3_256_CTX *ctx, const uint8_t *data, size_t datalen);
+void sha3_256_finish(SHA3_256_CTX *ctx, uint8_t dgst[SHA3_256_DIGEST_SIZE]);
+
+typedef struct {
+	uint64_t A[5][5];
+	uint8_t buf[SHA3_384_BLOCK_SIZE];
+	int num;
+} SHA3_384_CTX;
+
+void sha3_384_init(SHA3_384_CTX *ctx);
+void sha3_384_update(SHA3_384_CTX *ctx, const uint8_t *data, size_t datalen);
+void sha3_384_finish(SHA3_384_CTX *ctx, uint8_t dgst[SHA3_384_DIGEST_SIZE]);
+
+typedef struct {
+	uint64_t A[5][5];
+	uint8_t buf[SHA3_512_BLOCK_SIZE];
+	int num;
+} SHA3_512_CTX;
+
+void sha3_512_init(SHA3_512_CTX *ctx);
+void sha3_512_update(SHA3_512_CTX *ctx, const uint8_t *data, size_t datalen);
+void sha3_512_finish(SHA3_512_CTX *ctx, uint8_t dgst[SHA3_512_DIGEST_SIZE]);
+
+void sha3_shake128(const uint8_t *in, size_t *inlen, size_t outlen, uint8_t *out);
+void sha3_shake256(const uint8_t *in, size_t *inlen, size_t outlen, uint8_t *out);
+void sha3_keccak_p(uint8_t state[SHA3_KECCAK_P_SIZE]);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif