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externals/libressl/include/openssl/sm3.h

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+/*	$OpenBSD: sm3.h,v 1.1 2018/11/11 06:53:31 tb Exp $	*/
+/*
+ * Copyright (c) 2018, Ribose Inc
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef HEADER_SM3_H
+#define HEADER_SM3_H
+
+#include <stddef.h>
+#include <openssl/opensslconf.h>
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#ifdef OPENSSL_NO_SM3
+#error SM3 is disabled.
+#endif
+
+#define SM3_DIGEST_LENGTH 32
+#define SM3_WORD unsigned int
+
+#define SM3_CBLOCK 64
+#define SM3_LBLOCK (SM3_CBLOCK / 4)
+
+typedef struct SM3state_st {
+	SM3_WORD A, B, C, D, E, F, G, H;
+	SM3_WORD Nl, Nh;
+	SM3_WORD data[SM3_LBLOCK];
+	unsigned int num;
+} SM3_CTX;
+
+int SM3_Init(SM3_CTX *c);
+int SM3_Update(SM3_CTX *c, const void *data, size_t len);
+int SM3_Final(unsigned char *md, SM3_CTX *c);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* HEADER_SM3_H */