https://community.nxp.com/t5/Secure-Authentication/Platform-SCP-keys/m-p/1630796#M1226 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/211159">@bboozzoo</a>&nbsp;,</P> <P>&nbsp;</P> <P>Yes, after rotation, t<SPAN>he Platform SCP03 keys used during initial authentication will be replaced&nbsp;with the new keys, but if you save the old keys somewhere, it is also possible to rotate them back.</SPAN></P> <P>&nbsp;</P> <P>Have a great day,<BR />Kan</P> <P><BR />-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!<BR />- We are following threads for 7 weeks after the last post, later replies are ignored<BR />Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P> <P>&nbsp;</P> <P>&nbsp;</P> Tue, 11 Apr 2023 01:24:56 GMT Kan_Li 2023-04-11T01:24:56Z https://community.nxp.com/t5/Secure-Authentication/Platform-SCP-keys/m-p/1630730#M1224 <P>Maybe I missed that in the documentation, but when the SCP keys are rotated using SCPInitializeUpdate as described in GlobalPlatform Technology Secure Channel Protocol '03' Card Specification v2.3 – Amendment D, do the the Platform SCP keys listed in AN12436 for the specific chip become invalid and it is no longer possible to establish SCP using those keys?</P> Mon, 10 Apr 2023 20:55:43 GMT https://community.nxp.com/t5/Secure-Authentication/Platform-SCP-keys/m-p/1630730#M1224 bboozzoo 2023-04-10T20:55:43Z https://community.nxp.com/t5/Secure-Authentication/Platform-SCP-keys/m-p/1630796#M1226 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/211159">@bboozzoo</a>&nbsp;,</P> <P>&nbsp;</P> <P>Yes, after rotation, t<SPAN>he Platform SCP03 keys used during initial authentication will be replaced&nbsp;with the new keys, but if you save the old keys somewhere, it is also possible to rotate them back.</SPAN></P> <P>&nbsp;</P> <P>Have a great day,<BR />Kan</P> <P><BR />-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!<BR />- We are following threads for 7 weeks after the last post, later replies are ignored<BR />Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P> <P>&nbsp;</P> <P>&nbsp;</P> Tue, 11 Apr 2023 01:24:56 GMT https://community.nxp.com/t5/Secure-Authentication/Platform-SCP-keys/m-p/1630796#M1226 Kan_Li 2023-04-11T01:24:56Z