Example for key generate

Change-Id: I9230fdc86b738e7ba6c5d7e9ff000bfae1fe830e

diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 3eae22c..bcc54e4 100644 (file)
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -48,6 +48,7 @@ BUILD_EXAMPLE("yaca-example-encrypt"          encrypt.c)
 BUILD_EXAMPLE("yaca-example-seal"             seal.c)
 BUILD_EXAMPLE("yaca-example-encrypt-gcm-ccm"  encrypt_aes_gcm_ccm.c)
 BUILD_EXAMPLE("yaca-example-sign"             sign.c)
+BUILD_EXAMPLE("yaca-example-key-gen"          key_gen.c)
 BUILD_EXAMPLE("yaca-example-key-exchange"     key_exchange.c)
 BUILD_EXAMPLE("yaca-example-key-impexp"       key_import_export.c)
 BUILD_EXAMPLE("yaca-example-key-password"     key_password.c)

diff --git a/examples/key_gen.c b/examples/key_gen.c
new file mode 100644 (file)
index 0000000..97ad433
--- /dev/null
+++ b/examples/key_gen.c
@@ -0,0 +1,126 @@
+/*
+ *  Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *  Contact: Krzysztof Jackiewicz <k.jackiewicz@samsung.com>
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License
+ */
+
+#include <stdio.h>
+#include <yaca_crypto.h>
+#include <yaca_key.h>
+#include <yaca_types.h>
+#include <yaca_error.h>
+#include "misc.h"
+#include "../src/debug.h"
+
+int main()
+{
+       int ret;
+       yaca_key_h key = YACA_KEY_NULL;
+       yaca_key_h key_params = YACA_KEY_NULL;
+
+       yaca_debug_set_error_cb(debug_func);
+
+       ret = yaca_initialize();
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+
+       printf("This example doesn't print anything useful unless an error occured.\n"
+              "It is intended to be looked at only as a code example.\n"
+              "It might take a long time to execute though due to several keys being generated.\n");
+
+       /* Regular generation */
+
+       ret = yaca_key_generate(YACA_KEY_TYPE_SYMMETRIC, YACA_KEY_LENGTH_256BIT, &key);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       yaca_key_destroy(key);
+
+       ret = yaca_key_generate(YACA_KEY_TYPE_DES, YACA_KEY_LENGTH_192BIT, &key);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       yaca_key_destroy(key);
+
+       ret = yaca_key_generate(YACA_KEY_TYPE_RSA_PRIV, YACA_KEY_LENGTH_1024BIT, &key);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       yaca_key_destroy(key);
+
+       ret = yaca_key_generate(YACA_KEY_TYPE_DSA_PRIV, YACA_KEY_LENGTH_512BIT, &key);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       yaca_key_destroy(key);
+
+       ret = yaca_key_generate(YACA_KEY_TYPE_DH_PRIV, YACA_KEY_LENGTH_DH_GENERATOR_2 | 333, &key);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       yaca_key_destroy(key);
+
+       ret = yaca_key_generate(YACA_KEY_TYPE_DH_PRIV, YACA_KEY_LENGTH_DH_RFC_2048_224, &key);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       yaca_key_destroy(key);
+
+       ret = yaca_key_generate(YACA_KEY_TYPE_EC_PRIV, YACA_KEY_LENGTH_EC_SECP384R1, &key);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       yaca_key_destroy(key);
+
+       /* Params + key generation */
+
+       ret = yaca_key_generate(YACA_KEY_TYPE_DSA_PARAMS, YACA_KEY_LENGTH_512BIT, &key_params);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       ret = yaca_key_generate_from_parameters(key_params, &key);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       yaca_key_destroy(key);
+       yaca_key_destroy(key_params);
+
+       ret = yaca_key_generate(YACA_KEY_TYPE_DH_PARAMS,
+                               YACA_KEY_LENGTH_DH_GENERATOR_5 | YACA_KEY_LENGTH_2048BIT, &key_params);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       ret = yaca_key_generate_from_parameters(key_params, &key);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       yaca_key_destroy(key);
+       yaca_key_destroy(key_params);
+
+       ret = yaca_key_generate(YACA_KEY_TYPE_DH_PARAMS, YACA_KEY_LENGTH_DH_RFC_2048_256, &key_params);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       ret = yaca_key_generate_from_parameters(key_params, &key);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       yaca_key_destroy(key);
+       yaca_key_destroy(key_params);
+
+       ret = yaca_key_generate(YACA_KEY_TYPE_EC_PARAMS, YACA_KEY_LENGTH_EC_PRIME256V1, &key_params);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       ret = yaca_key_generate_from_parameters(key_params, &key);
+       if (ret != YACA_ERROR_NONE)
+               goto error;
+       yaca_key_destroy(key);
+       yaca_key_destroy(key_params);
+
+       return 0;
+
+error:
+       printf("Error occured.\n");
+       yaca_cleanup();
+
+       return 1;
+}