Chapter 4: UEFI BIOS
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Software Guard Extensions Epoch 0 (Available when "SW Guard Extensions (SGX)"
is set to Enabled and "Select Owner EPOCH input type" is set to Manual User
Dened Owner EPOCHs)
Use this feature to enter the EPOCH value. The default is 0.
Software Guard Extensions Epoch 1 (Available when "SW Guard Extensions (SGX)"
is set to Enabled and "Select Owner EPOCH input type" is set to Manual User
Dened Owner EPOCHs)
Use this feature to enter the EPOCH value. The default is 0.
SGXLEPUBKEYHASHx Write Enable (Available when "SW Guard Extensions (SGX)"
is set to Enabled)
Use this feature to enable writes to SGXLEPUBKEYHASH[3..0] from OS/SW. The options
are Disabled and Enabled. Only those CPUs that support Intel SGX Flexible Launch Control
(FLC) feature have SGXLEPUBKEYHASH, which contains the hash of the public key for the
SGX Launch Enclave (LE) to be signed with.
SGXLEPUBKEYHASH0 (Available when both "SW Guard Extensions (SGX)" and
"SGXLEPUBKEYHASHx Write Enable" are set to Enabled)
Use this feature to enter the bytes 0–7 of SGX Launch Enclave Public Key Hash.
SGXLEPUBKEYHASH1 (Available when both "SW Guard Extensions (SGX)" and
"SGXLEPUBKEYHASHx Write Enable" are set to Enabled)
Use this feature to enter the bytes 8–15 of SGX Launch Enclave Public Key Hash.
SGXLEPUBKEYHASH2 (Available when both "SW Guard Extensions (SGX)" and
"SGXLEPUBKEYHASHx Write Enable" are set to Enabled)
Use this feature to enter the bytes 16–23 of SGX Launch Enclave Public Key Hash.
SGXLEPUBKEYHASH3 (Available when both "SW Guard Extensions (SGX)" and
"SGXLEPUBKEYHASHx Write Enable" are set to Enabled)
Use this feature to enter the bytes 24–31 of SGX Launch Enclave Public Key Hash.
SGX Auto MP Registration (Available when "SW Guard Extensions (SGX)" is set to
Enabled)
Use this feature to enable/disable SGX Auto Multi-Package Registration Agent (MPA) running
automatically at boot time. The options are Disabled and Enabled.
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