topic REST API : Http Signature Authentication – Critical Security Update in cybersource APIs https://community.developer.cybersource.com/t5/cybersource-APIs/REST-API-Http-Signature-Authentication-Critical-Security-Update/m-p/88802#M1396 <P>Hello,</P><P>Can you please confirm if these recent changes regarding P12 keys are required when using the&nbsp;<SPAN><SPAN class="">SDK version 1.4.0 (released on Nov16, 2016)?&nbsp;&nbsp;</SPAN></SPAN></P><P><SPAN><SPAN class="">Thank you.</SPAN></SPAN></P> Wed, 14 Feb 2024 18:38:14 GMT sproulx 2024-02-14T18:38:14Z REST API : Http Signature Authentication – Critical Security Update https://community.developer.cybersource.com/t5/cybersource-APIs/REST-API-Http-Signature-Authentication-Critical-Security-Update/m-p/88802#M1396 <P>Hello,</P><P>Can you please confirm if these recent changes regarding P12 keys are required when using the&nbsp;<SPAN><SPAN class="">SDK version 1.4.0 (released on Nov16, 2016)?&nbsp;&nbsp;</SPAN></SPAN></P><P><SPAN><SPAN class="">Thank you.</SPAN></SPAN></P> Wed, 14 Feb 2024 18:38:14 GMT https://community.developer.cybersource.com/t5/cybersource-APIs/REST-API-Http-Signature-Authentication-Critical-Security-Update/m-p/88802#M1396 sproulx 2024-02-14T18:38:14Z