<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:8px"><div id="yui_3_16_0_1_1449157579509_4189">Hi All,</div><div><br></div><div id="yui_3_16_0_1_1449157579509_4190">My requirement is to access TPM 2.0 from UEFI application. I want to protect/encrypt my data in such a way that this data can only be decrypted by TPM who encrypted it.</div><div id="yui_3_16_0_1_1449157579509_4198"><br></div><div id="yui_3_16_0_1_1449157579509_4191">I am very new to TPM, so I started looking at various protocols in UDK. I came across EFI_TREE_PROTOCOL, EFI_TCG2_PROTOCOL. I have also looked at SecurityPkg\Library\Tpm2DeviceLibDTpm\Tpm2Tis.c file in UDK.</div><div id="yui_3_16_0_1_1449157579509_4197"><br></div><div id="yui_3_16_0_1_1449157579509_4192">But not sure how I can achieve my requirement. I appreciate any help on this.</div><div id="yui_3_16_0_1_1449157579509_4196"><br></div><div id="yui_3_16_0_1_1449157579509_4193" dir="ltr">Thanks & Regards,<br id="yui_3_16_0_1_1449157579509_4194">Amit Kulkarni.<br id="yui_3_16_0_1_1449157579509_4195"></div></div></body></html>