Fix a SIGSEGV in key-exchange example. It's still not implemented though.

Change-Id: I2ea56f1109d799d77c1a322567250afca68da13b

diff --git a/examples/key_exchange.c b/examples/key_exchange.c
index 919cfaa8c77fd3ce7aec2316585db2dc6c0affcb..2377c208b7ee00b330cc9dd36346c551671c455f 100644 (file)
--- a/examples/key_exchange.c
+++ b/examples/key_exchange.c
@@ -36,19 +36,19 @@ void key_exchange_dh(void)
        yaca_key_h peer_key = YACA_KEY_NULL;
        yaca_key_h secret = YACA_KEY_NULL;
 
+       FILE *fp = NULL;
+       char *buffer = NULL;
+       long size;
+
        // generate  private, public key
        // add KEY_TYPE_PAIR_DH or use KEY_TYPE_PAIR_ECC and proper len?
        // imo add KEY_TYPE_PAIR_DH
-       ret = yaca_key_gen_pair(&private_key, &public_key, YACA_KEY_2048BIT, YACA_KEY_TYPE_PAIR_DH);
+       ret = yaca_key_gen_pair(&private_key, &public_key, YACA_KEY_TYPE_PAIR_DH, YACA_KEY_2048BIT);
        if (ret < 0)
                goto clean;
 
        // get peer public key from file
        // add helper to read key from file to buffer?
-       FILE *fp;
-       long size;
-       char *buffer;
-
        fp = fopen("key.pub", "r");
        if (!fp) goto clean;
 
@@ -81,7 +81,8 @@ clean:
        yaca_key_free(public_key);
        yaca_key_free(peer_key);
        yaca_key_free(secret);
-       fclose(fp);
+       if (fp != NULL)
+               fclose(fp);
        yaca_free(buffer);
 }
 
@@ -94,16 +95,16 @@ void key_exchange_ecdh(void)
        yaca_key_h peer_key = YACA_KEY_NULL;
        yaca_key_h secret = YACA_KEY_NULL;
 
+       FILE *fp = NULL;
+       char *buffer = NULL;
+       long size;
+
        // generate  private, public key
-       ret = yaca_key_gen_pair(&private_key, &public_key, YACA_KEY_CURVE_P256, YACA_KEY_TYPE_PAIR_ECC);
+       ret = yaca_key_gen_pair(&private_key, &public_key, YACA_KEY_TYPE_PAIR_ECC, YACA_KEY_CURVE_P256);
        if (ret < 0)
                goto clean;
 
        // get peer public key from file
-       FILE *fp;
-       long size;
-       char *buffer;
-
        fp = fopen("key.pub", "r");
        if (fp == NULL)
                goto clean;
@@ -135,7 +136,8 @@ clean:
        yaca_key_free(public_key);
        yaca_key_free(peer_key);
        yaca_key_free(secret);
-       fclose(fp);
+       if (fp != NULL)
+               fclose(fp);
        yaca_free(buffer);
 }