gcr: Move key size code to gcr-subject-public-key.c

Refactor things to key size calculation code is in one place

3 files changed, 63 insertions, 54 deletions

diff --git a/gcr/gcr-subject-public-key.c b/gcr/gcr-subject-public-key.c
index 5b7dc28..359307c 100644
--- a/gcr/gcr-subject-public-key.c
+++ b/gcr/gcr-subject-public-key.c
@@ -786,6 +786,24 @@ calculate_rsa_key_size (GBytes *data)
 }
 
 static guint
+attributes_rsa_key_size (GckAttributes *attrs)
+{
+	const GckAttribute *attr;
+	gulong bits;
+
+	attr = gck_attributes_find (attrs, CKA_MODULUS);
+
+	/* Calculate the bit length, and remove the complement */
+	if (attr != NULL)
+		return (attr->length / 2) * 2 * 8;
+
+	if (gck_attributes_find_ulong (attrs, CKA_MODULUS_BITS, &bits))
+		return (gint)bits;
+
+	return 0;
+}
+
+static guint
 calculate_dsa_params_size (GNode *params)
 {
 	GNode *asn;
@@ -808,6 +826,24 @@ calculate_dsa_params_size (GNode *params)
 	return key_size;
 }
 
+static guint
+attributes_dsa_key_size (GckAttributes *attrs)
+{
+	const GckAttribute *attr;
+	gulong bits;
+
+	attr = gck_attributes_find (attrs, CKA_PRIME);
+
+	/* Calculate the bit length, and remove the complement */
+	if (attr != NULL)
+		return (attr->length / 2) * 2 * 8;
+
+	if (gck_attributes_find_ulong (attrs, CKA_PRIME_BITS, &bits))
+		return (gint)bits;
+
+	return 0;
+}
+
 guint
 _gcr_subject_public_key_calculate_size (GNode *subject_public_key)
 {
@@ -840,3 +876,22 @@ _gcr_subject_public_key_calculate_size (GNode *subject_public_key)
 
 	return key_size;
 }
+
+guint
+_gcr_subject_public_key_attributes_size (GckAttributes *attrs)
+{
+	gulong key_type;
+
+	if (!gck_attributes_find_ulong (attrs, CKA_KEY_TYPE, &key_type))
+		return 0;
+
+	switch (key_type) {
+	case CKK_RSA:
+		return attributes_rsa_key_size (attrs);
+	case CKK_DSA:
+		return attributes_dsa_key_size (attrs);
+	default:
+		g_message ("unsupported key algorithm: %lu", key_type);
+		return 0;
+	}
+}
diff --git a/gcr/gcr-subject-public-key.h b/gcr/gcr-subject-public-key.h
index 4a45bd0..9e7c1d9 100644
--- a/gcr/gcr-subject-public-key.h
+++ b/gcr/gcr-subject-public-key.h
@@ -48,6 +48,8 @@ GNode *        _gcr_subject_public_key_load_finish      (GAsyncResult *result,
 
 guint          _gcr_subject_public_key_calculate_size   (GNode *subject_public_key);
 
+guint          _gcr_subject_public_key_attributes_size  (GckAttributes *attributes);
+
 G_END_DECLS
 
 #endif /* GCR_CERTIFICATE_H */
diff --git a/ui/gcr-key-renderer.c b/ui/gcr-key-renderer.c
index a4dbdb9..1383d31 100644
--- a/ui/gcr-key-renderer.c
+++ b/ui/gcr-key-renderer.c
@@ -114,53 +114,6 @@ calculate_fingerprint (GcrKeyRenderer *self,
 	return gcr_fingerprint_from_attributes (attrs, algorithm, n_fingerprint);
 }
 
-static gint
-calculate_rsa_key_size (GckAttributes *attrs)
-{
-	const GckAttribute *attr;
-	gulong bits;
-
-	attr = gck_attributes_find (attrs, CKA_MODULUS);
-
-	/* Calculate the bit length, and remove the complement */
-	if (attr != NULL)
-		return (attr->length / 2) * 2 * 8;
-
-	if (gck_attributes_find_ulong (attrs, CKA_MODULUS_BITS, &bits))
-		return (gint)bits;
-
-	return -1;
-}
-
-static guint
-calculate_dsa_key_size (GckAttributes *attrs)
-{
-	const GckAttribute *attr;
-	gulong bits;
-
-	attr = gck_attributes_find (attrs, CKA_PRIME);
-
-	/* Calculate the bit length, and remove the complement */
-	if (attr != NULL)
-		return (attr->length / 2) * 2 * 8;
-
-	if (gck_attributes_find_ulong (attrs, CKA_PRIME_BITS, &bits))
-		return (gint)bits;
-
-	return -1;
-}
-
-static gint
-calculate_key_size (GckAttributes *attrs, gulong key_type)
-{
-	if (key_type == CKK_RSA)
-		return calculate_rsa_key_size (attrs);
-	else if (key_type == CKK_DSA)
-		return calculate_dsa_key_size (attrs);
-	else
-		return -1;
-}
-
 static void
 on_subject_public_key (GObject *source,
                        GAsyncResult *result,
@@ -362,7 +315,7 @@ gcr_key_renderer_real_render (GcrRenderer *renderer, GcrViewer *viewer)
 	gchar *display;
 	gulong klass;
 	gulong key_type;
-	gint size;
+	guint size;
 
 	self = GCR_KEY_RENDERER (renderer);
 
@@ -415,9 +368,9 @@ gcr_key_renderer_real_render (GcrRenderer *renderer, GcrViewer *viewer)
 
 	_gcr_display_view_append_content (view, renderer, text, NULL);
 
-	size = calculate_key_size (attrs, key_type);
-	if (size >= 0) {
-		display = g_strdup_printf (g_dngettext (GETTEXT_PACKAGE, "%d bit", "%d bits", size), size);
+	size = _gcr_subject_public_key_attributes_size (attrs);
+	if (size > 0) {
+		display = g_strdup_printf (g_dngettext (GETTEXT_PACKAGE, "%u bit", "%u bits", size), size);
 		_gcr_display_view_append_content (view, renderer, _("Strength"), display);
 		g_free (display);
 	}
@@ -432,11 +385,10 @@ gcr_key_renderer_real_render (GcrRenderer *renderer, GcrViewer *viewer)
 		text = _("Unknown");
 	_gcr_display_view_append_value (view, renderer, _("Algorithm"), text, FALSE);
 
-	size = calculate_key_size (attrs, key_type);
-	if (size < 0)
+	if (size == 0)
 		display = g_strdup (_("Unknown"));
 	else
-		display = g_strdup_printf ("%d", size);
+		display = g_strdup_printf ("%u", size);
 	_gcr_display_view_append_value (view, renderer, _("Size"), display, FALSE);
 	g_free (display);