add pairing cryptos

2026-08-10 07:53:57 +08:00 · 2017-02-15 17:13:47 +08:00
parent 6b019b488c
commit 5eedfacd04
37 changed files with 5920 additions and 3 deletions
--- a/crypto/sm9/sm9_lib.c
+++ b/crypto/sm9/sm9_lib.c
@@ -0,0 +1,98 @@
+/* ====================================================================
+ * Copyright (c) 2016 The GmSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the GmSSL Project.
+ *    (http://gmssl.org/)"
+ *
+ * 4. The name "GmSSL Project" must not be used to endorse or promote
+ *    products derived from this software without prior written
+ *    permission. For written permission, please contact
+ *    guanzhi1980@gmail.com.
+ *
+ * 5. Products derived from this software may not be called "GmSSL"
+ *    nor may "GmSSL" appear in their names without prior written
+ *    permission of the GmSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the GmSSL Project
+ *    (http://gmssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE GmSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+#include <openssl/err.h>
+#include <openssl/sm9.h>
+#include "sm9_lcl.h"
+
+int SM9_hash1(const EVP_MD *md, BIGNUM **r,
+	const char *id, size_t idlen,
+	unsigned char hid,
+	const BIGNUM *range,
+	BN_CTX *ctx)
+{
+	unsigned char *buf;
+
+	if (!(buf = OPENSSL_malloc(idlen + 1))) {
+		return 0;
+	}
+	memcpy(buf, id, idlen);
+	buf[idlen] = hid;
+
+	if (!BN_hash_to_range(md, r, buf, idlen + 1, range, ctx)) {
+		OPENSSL_free(buf);
+		return 0;
+	}
+
+	OPENSSL_free(buf);
+	return 1;
+}
+
+int SM9_hash2(const EVP_MD *md, BIGNUM **r,
+	const unsigned char *data, size_t datalen,
+	const unsigned char *elem, size_t elemlen,
+	const BIGNUM *range, BN_CTX *ctx)
+{
+	unsigned char *buf;
+
+	if (!(buf = OPENSSL_malloc(datalen + elemlen))) {
+		return 0;
+	}
+	memcpy(buf, data, datalen);
+	memcpy(buf + datalen, elem, elemlen);
+
+	if (!BN_hash_to_range(md, r, buf, datalen + elemlen, range, ctx)) {
+		OPENSSL_free(buf);
+		return 0;
+	}
+
+	OPENSSL_free(buf);
+	return 1;
+}
+