Update some demos

2026-08-09 15:33:58 +08:00 · 2018-10-31 11:03:21 +08:00
parent 9eadfd4cb6
commit 676076278d
37 changed files with 2277 additions and 141 deletions
--- a/demos/sm4/sms4.c
+++ b/demos/sm4/sms4.c
@@ -0,0 +1,116 @@
+/* ====================================================================
+ * Copyright (c) 2014 - 2018 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.
+ * ====================================================================
+ */
+/*
+ * This sm4 demo use the native sm3_init/update/final APIs
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <libgen.h>
+#include <openssl/err.h>
+#include <openssl/rand.h>
+#include <openssl/sms4.h>
+#include <openssl/is_gmssl.h>
+
+
+int main(int argc, char **argv)
+{
+	sms4_key_t sms4;
+	unsigned char key[SMS4_KEY_LENGTH] = {0};
+	unsigned char block[SMS4_BLOCK_SIZE] = {0};
+	int i;
+
+#if USE_RANDOM
+	if (!RAND_bytes(key, sizeof(key))
+		|| !RAND_bytes(block, sizeof(block))) {
+		ERR_print_errors_fp(stderr);
+		return -1;
+	}
+#endif
+
+	printf("key              = ");
+	for (i = 0; i < sizeof(key); i++) {
+		printf("%02X", key[i]);
+	}
+	printf("\n");
+
+	printf("plaintext block  = ");
+	for (i = 0; i < sizeof(block); i++) {
+		printf("%02X", block[i]);
+	}
+	printf("\n");
+
+	/* expand key for encryption */
+	sms4_set_encrypt_key(&sms4, key);
+
+	/* encrypt a block */
+	sms4_encrypt(block, block, &sms4);
+
+	printf("ciphertext block = ");
+	for (i = 0; i < sizeof(block); i++) {
+		printf("%02X", block[i]);
+	}
+	printf("\n");
+
+	/* expand key for decryption */
+	sms4_set_decrypt_key(&sms4, key);
+
+	/* decrypt a block */
+	sms4_decrypt(block, block, &sms4);
+
+	printf("decrypted block  = ");
+	for (i = 0; i < sizeof(block); i++) {
+		printf("%02X", block[i]);
+	}
+	printf("\n");
+
+	return 0;
+}