Update GCM/CCM examples

Use nonstandard tag. Fix formatting. Add missing cleanup.

Change-Id: Iec6f358ff3d05ae17ab072a72ef95401c777eb5a

diff --git a/examples/encrypt_aes_gcm_ccm.c b/examples/encrypt_aes_gcm_ccm.c
index 7ac3534..c990d79 100644 (file)
--- a/examples/encrypt_aes_gcm_ccm.c
+++ b/examples/encrypt_aes_gcm_ccm.c
@@ -113,7 +113,7 @@ void encrypt_decrypt_aes_gcm(void)
 
                /* Set the tag length and get the tag after final encryption */
                if (yaca_context_set_property(ctx, YACA_PROPERTY_GCM_TAG_LEN,
-                                      (void*)&tag_len, sizeof(tag_len)) != YACA_ERROR_NONE)
+                                             (void*)&tag_len, sizeof(tag_len)) != YACA_ERROR_NONE)
                        goto exit;
 
                if (yaca_context_get_property(ctx, YACA_PROPERTY_GCM_TAG, (void**)tag, &tag_len) != YACA_ERROR_NONE)
@@ -195,7 +195,7 @@ void encrypt_decrypt_aes_ccm(void)
        char *aad = NULL;
        char *tag = NULL;
        size_t aad_len = 16;
-       size_t tag_len = 12;
+       size_t tag_len = 14;
 
        size_t block_len;
        size_t output_len;
@@ -230,7 +230,7 @@ void encrypt_decrypt_aes_ccm(void)
 
                /* Set tag length (optionally) */
                if (yaca_context_set_property(ctx, YACA_PROPERTY_CCM_TAG_LEN,
-                                      (void*)&tag_len, sizeof(tag_len)) != YACA_ERROR_NONE)
+                                             (void*)&tag_len, sizeof(tag_len)) != YACA_ERROR_NONE)
                        goto exit;
 
                /* The total plain text length must be passed (only needed if AAD is passed) */

diff --git a/examples/seal.c b/examples/seal.c
index a7774eb..64b70f7 100644 (file)
--- a/examples/seal.c
+++ b/examples/seal.c
@@ -275,6 +275,8 @@ exit:
        yaca_context_destroy(ctx);
        yaca_key_destroy(sym_key);
        yaca_key_destroy(iv);
+       yaca_free(aad);
+       yaca_free(tag);
        yaca_key_destroy(key_pub);
        yaca_key_destroy(key_priv);
 }
@@ -299,7 +301,7 @@ void encrypt_seal_aes_ccm(void)
        char *aad = NULL;
        char *tag = NULL;
        size_t aad_len = 16;
-       size_t tag_len = 12;
+       size_t tag_len = 8;
 
        size_t block_len;
        size_t output_len;
@@ -423,6 +425,8 @@ exit:
        yaca_context_destroy(ctx);
        yaca_key_destroy(sym_key);
        yaca_key_destroy(iv);
+       yaca_free(aad);
+       yaca_free(tag);
        yaca_key_destroy(key_pub);
        yaca_key_destroy(key_priv);
 }