AWS AWSCloudFormation documentation change

Service: AWSCloudFormation · 2025-03-10 · Documentation low

File: AWSCloudFormation/latest/UserGuide/aws-properties-iotfleetwise-decodermanifest-obdsignal.md

Summary

Added 'IsSigned' and 'SignalValueType' properties to OBD signal documentation, including validation rules for signed messages.

Security assessment

The 'IsSigned' parameter relates to message integrity (a security feature), but there is no indication of a resolved vulnerability.

Diff

diff --git a/AWSCloudFormation/latest/UserGuide/aws-properties-iotfleetwise-decodermanifest-obdsignal.md
index 0aa81061b..1ffbe57e7 100644
--- a/AWSCloudFormation/latest/UserGuide/aws-properties-iotfleetwise-decodermanifest-obdsignal.md
+++ b/AWSCloudFormation/latest/UserGuide/aws-properties-iotfleetwise-decodermanifest-obdsignal.md
@@ -19,0 +20 @@ To declare this entity in your AWS CloudFormation template, use the following sy
+      "IsSigned" : String,
@@ -24,0 +26 @@ To declare this entity in your AWS CloudFormation template, use the following sy
+      "SignalValueType" : String,
@@ -34,0 +37 @@ To declare this entity in your AWS CloudFormation template, use the following sy
+      IsSigned: String
@@ -39,0 +43 @@ To declare this entity in your AWS CloudFormation template, use the following sy
+      SignalValueType: String
@@ -87,0 +92,11 @@ _Required_ : Yes
+`IsSigned`
+    
+
+Determines whether the message is signed (`true`) or not (`false`). If it's signed, the message can represent both positive and negative numbers. The `isSigned` parameter only applies to the `INTEGER` raw signal type, and it doesn't affect the `FLOATING_POINT` raw signal type. The default value is `false`.
+
+_Required_ : No
+
+ _Type_ : String
+
+ _Update requires_ : [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
+
@@ -148,0 +164,13 @@ _Required_ : Yes
+`SignalValueType`
+    
+
+The value type of the signal. The default value is `INTEGER`.
+
+_Required_ : No
+
+ _Type_ : String
+
+ _Allowed values_ : `INTEGER | FLOATING_POINT`
+
+ _Update requires_ : [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
+