https://community.nxp.com/t5/i-MX-Processors/DMSetup-Keysize/m-p/1966101#M229233 <P>I have the same questions. Did you find the answer?</P><P>&nbsp;</P> Thu, 03 Oct 2024 06:08:17 GMT sharmilad 2024-10-03T06:08:17Z https://community.nxp.com/t5/i-MX-Processors/DMSetup-Keysize/m-p/1460197#M190542 <P>Hi</P><P>I was following i.MX Linux® User's Guide and implemented the disc encryption.</P><P><EM>.<STRONG>/caam-keygen create randomkey ecb -s 16</STRONG></EM> is used for creating the key</P><P><STRONG><EM>dmsetup -v create encrypted --table "0 $(blockdev --getsz /dev/loop0) crypt capi:tk(cbc(aes))-</EM></STRONG><BR /><EM><STRONG>plain :36:logon:logkey: 0 /dev/loop0 0 1 sector_size:512"&nbsp;</STRONG></EM> is used&nbsp; for creating the new device mapper. and&nbsp;<EM><STRONG>36:logon:logkey: </STRONG></EM>is confusing me.</P><P>I have the following doubt:</P><P>How to ensure the keysize of the algorithm</P><P>1. I ran the following command and I got the following output</P><P><STRONG><EM>dmsetup table --showkey encrypted</EM></STRONG><BR /><STRONG><EM>0 65536 crypt capi:tk(cbc(aes))-plain :36:logon:logkey: 0 7:0 0</EM></STRONG></P><P>what is this<STRONG> 36</STRONG>&nbsp;</P><P><STRONG><EM>2. </EM></STRONG>If I want to implement AES 256 what changes I have to make in the the above code.</P><P><STRONG><EM>Thanks,</EM></STRONG></P><P><STRONG><EM>Rahul B</EM></STRONG></P> Wed, 18 May 2022 17:36:19 GMT https://community.nxp.com/t5/i-MX-Processors/DMSetup-Keysize/m-p/1460197#M190542 rahulbpkl 2022-05-18T17:36:19Z https://community.nxp.com/t5/i-MX-Processors/DMSetup-Keysize/m-p/1966101#M229233 <P>I have the same questions. Did you find the answer?</P><P>&nbsp;</P> Thu, 03 Oct 2024 06:08:17 GMT https://community.nxp.com/t5/i-MX-Processors/DMSetup-Keysize/m-p/1966101#M229233 sharmilad 2024-10-03T06:08:17Z