€•+Œsphinx.addnodes”Œdocument”“”)�”}”(Œ rawsource”Œ”Œchildren”]”(Œ translations”Œ LanguagesNode”“”)�”}”(hhh]”(hŒ pending_xref”“”)�”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…”�”}”Œparent”hsbaŒ attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ refdomain”Œstd”Œreftype”Œdoc”Œ reftarget”Œ-/translations/zh_CN/security/tpm/tpm_ftpm_tee”Œmodname”NŒ classname”NŒ refexplicit”ˆuŒtagname”hhh ubh)�”}”(hhh]”hŒChinese (Traditional)”…”�”}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ-/translations/zh_TW/security/tpm/tpm_ftpm_tee”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)�”}”(hhh]”hŒItalian”…”�”}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ-/translations/it_IT/security/tpm/tpm_ftpm_tee”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)�”}”(hhh]”hŒJapanese”…”�”}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ-/translations/ja_JP/security/tpm/tpm_ftpm_tee”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)�”}”(hhh]”hŒKorean”…”�”}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ-/translations/ko_KR/security/tpm/tpm_ftpm_tee”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)�”}”(hhh]”hŒPortuguese (Brazilian)”…”�”}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ-/translations/pt_BR/security/tpm/tpm_ftpm_tee”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)�”}”(hhh]”hŒSpanish”…”�”}”hh–sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ-/translations/sp_SP/security/tpm/tpm_ftpm_tee”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h hhŒ _document”hŒsource”NŒline”NubhŒsection”“”)�”}”(hhh]”(hŒtitle”“”)�”}”(hŒFirmware TPM Driver”h]”hŒFirmware TPM Driver”…”�”}”(hh¼h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhh·h²hh³ŒG/var/lib/git/docbuild/linux/Documentation/security/tpm/tpm_ftpm_tee.rst”h´KubhŒ paragraph”“”)�”}”(hŒRThis document describes the firmware Trusted Platform Module (fTPM) device driver.”h]”hŒRThis document describes the firmware Trusted Platform Module (fTPM) device driver.”…”�”}”(hhÍh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khh·h²hubh¶)�”}”(hhh]”(h»)�”}”(hŒ Introduction”h]”hŒ Introduction”…”�”}”(hhÞh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhhÛh²hh³hÊh´K ubhÌ)�”}”(hŒ»This driver is a shim for firmware implemented in ARM's TrustZone environment. The driver allows programs to interact with the TPM in the same way they would interact with a hardware TPM.”h]”hŒ½This driver is a shim for firmware implemented in ARM’s TrustZone environment. The driver allows programs to interact with the TPM in the same way they would interact with a hardware TPM.”…”�”}”(hhìh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K hhÛh²hubeh}”(h]”Œ introduction”ah ]”h"]”Œ introduction”ah$]”h&]”uh1hµhh·h²hh³hÊh´K ubh¶)�”}”(hhh]”(h»)�”}”(hŒDesign”h]”hŒDesign”…”�”}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhjh²hh³hÊh´KubhÌ)�”}”(hŒÕThe driver acts as a thin layer that passes commands to and from a TPM implemented in firmware. The driver itself doesn't contain much logic and is used more like a dumb pipe between firmware and kernel/userspace.”h]”hŒ×The driver acts as a thin layer that passes commands to and from a TPM implemented in firmware. 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