expose all functions

src/sm9_lib.c

@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2014 - 2020 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.
+ */
+
+int sm9_sign_setup(SM9_SIGN_MASTER_KEY *msk)
+{
+
+	// rand ks in [1, N-1]
+	fn_rand(ks);
+
+	// Ppubs = ks * P2
+	twist_point_mul_generator(Ppubs, ks);
+}
+
+
+
+int sm9_sign_keygen(SM9_SIGN_MASTER_KEY *msk, const char *id, size_t idlen, SM9_POINT *ds)
+{
+
+}
+
+
+int sm9_sign_init(SM3_CTX *ctx)
+{
+	uint8_t prefix[1] = {0x02};
+	if (!ctx) {
+		return -1;
+	}
+
+	sm3_init(ctx);
+	sm3_update(ctx, prefix, sizeof(prefix));
+	return 0;
+}
+
+int sm9_sign_update(SM3_CTX *ctx, const uint8_t *data, size_t datalen)
+{
+	sm3_update(ctx, data, datalen);
+	return 1;
+}
+
+int sm9_sign_finish(SM3_CTX *ctx, SM9_SIGNATURE *sig)
+{
+
+	fp12_t g;
+
+	sm9_pairing(g, SM9_P1, Ppubs);
+
+	fn_rand(r);
+
+	fp12_pow(w, g, r);
+
+
+	fn_sub(l, r, h);
+	if (fn_is_zero(l)) {
+	}
+
+
+	point_mul(S, l, ds);
+
+}
+
+int sm9_verify_init(SM9_SIGN_CTX *ctx)
+{
+	sm3_init(&ctx->sm3_ctx);
+	sm3_update(&ctx->sm3_ctx, SM9_HASH1_PREFIX, sizeof(SM9_HASH1_PREFIX));
+	return 0;
+}
+
+int sm9_verify_update(SM9_SIGN_CTX *ctx, const uint8_t *data, size_t datalen)
+{
+	sm3_update(&ctx->sm3_ctx, data, datalen);
+}
+
+int sm9_verify_finish(SM9_SIGN_CTX *ctx, const char *id, size_t idlen, const SM9_SIGNATURE *sig)
+{
+
+	if (bn_is_zero(h) || bn_cmp(h, SM9_N) >= 0) {
+	}
+
+	if (!point_is_on_curve(S)) {
+	}
+
+	sm9_pairing(g, SM9_P1, Ppubs);
+
+	fp12_pow(t, g, h);
+
+
+	sm9_hash1(h1, id, idlen);
+
+	twist_point_mul_generator(P, h1);
+	twist_point_add(P, P, Ppubs);
+	pairing(u, S, P);
+}
+
+