Use new HMAC API in example

Change-Id: I4479c5ff16deda4741dd3164c49e3bd2a5ba5551

diff --git a/examples/sign.c b/examples/sign.c
index 8555f8c..e9268bb 100644 (file)
--- a/examples/sign.c
+++ b/examples/sign.c
@@ -98,7 +98,8 @@ finish:
 
 void sign_verify_hmac(void)
 {
-       char* signature = NULL;
+       char *signature1 = NULL;
+       char *signature2 = NULL;
        size_t signature_len;
 
        yaca_ctx_h ctx = YACA_CTX_NULL;
@@ -109,7 +110,7 @@ void sign_verify_hmac(void)
                return;
 
        // SIGN
-       if (yaca_sign_init(&ctx, YACA_DIGEST_SHA512, key) != 0)
+       if (yaca_sign_hmac_init(&ctx, YACA_DIGEST_SHA512, key) != 0)
                goto finish;
 
        if (yaca_sign_update(ctx, lorem4096, LOREM4096_SIZE) != 0)
@@ -118,32 +119,42 @@ void sign_verify_hmac(void)
        if (yaca_get_sign_length(ctx, &signature_len) != 0)
                goto finish;
 
-       if ((signature = yaca_malloc(signature_len)) == NULL)
+       if ((signature1 = yaca_malloc(signature_len)) == NULL)
                goto finish;
 
-       if (yaca_sign_final(ctx, signature, &signature_len) != 0)
+       if (yaca_sign_final(ctx, signature1, &signature_len) != 0)
                goto finish;
 
-       dump_hex(signature, signature_len, "HMAC Signature of lorem4096:");
+       dump_hex(signature1, signature_len, "HMAC Signature of lorem4096:");
 
        // CLEANUP
        yaca_ctx_free(ctx);
        ctx = YACA_CTX_NULL;
 
        // VERIFY
-       if (yaca_verify_init(&ctx, YACA_DIGEST_SHA512, key) != 0)
+       if (yaca_sign_hmac_init(&ctx, YACA_DIGEST_SHA512, key) != 0)
                goto finish;
 
-       if (yaca_verify_update(ctx, lorem4096, LOREM4096_SIZE) != 0)
+       if (yaca_sign_update(ctx, lorem4096, LOREM4096_SIZE) != 0)
                goto finish;
 
-       if (yaca_verify_final(ctx, signature, signature_len) != 0)
+       if (yaca_get_sign_length(ctx, &signature_len) != 0)
+               goto finish;
+
+       if ((signature2 = yaca_malloc(signature_len)) == NULL)
+               goto finish;
+
+       if (yaca_sign_final(ctx, signature2, &signature_len) != 0)
+               goto finish;
+
+       if (yaca_memcmp(signature1, signature2, signature_len) != 0)
                printf("HMAC verification failed\n");
        else
                printf("HMAC verification succesful\n");
 
 finish:
-       yaca_free(signature);
+       yaca_free(signature1);
+       yaca_free(signature2);
        yaca_key_free(key);
        yaca_ctx_free(ctx);
 }