mirror of
https://github.com/LongSoft/UEFITool.git
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109 lines
1.8 KiB
Plaintext
109 lines
1.8 KiB
Plaintext
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meta:
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id: intel_keym_v2
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title: Intel BootGuard Key Manifest v2
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application: Intel x86 firmware
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file-extension: keym_v2
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tags:
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- firmware
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license: CC0-1.0
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ks-version: 0.9
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endian: le
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enums:
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structure_ids:
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0x5f5f4d59454b5f5f: keym
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km_usage_flags:
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1: boot_policy_manifest
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2: fit_patch_manifest
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4: acm_manifest
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8: sdev
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seq:
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- id: header
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type: header
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- id: key_signature_offset
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type: u2
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- id: reserved
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type: u1
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repeat: expr
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repeat-expr: 3
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- id: km_version
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type: u1
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- id: km_svn
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type: u1
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- id: km_id
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type: u1
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- id: fpf_hash_algorithm_id
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type: u2
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- id: num_km_hashes
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type: u2
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- id: km_hashes
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type: km_hash
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repeat: expr
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repeat-expr: num_km_hashes
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- id: key_signature
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type: key_signature
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types:
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header:
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seq:
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- id: structure_id
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type: u8
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enum: structure_ids
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valid: structure_ids::keym
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- id: version
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type: u1
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valid:
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expr: _ >= 0x20
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- id: header_specific
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type: u1
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- id: total_size
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type: u2
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valid: 0x0
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km_hash:
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seq:
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- id: usage_flags
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type: u8
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- id: hash_algorithm_id
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type: u2
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- id: len_hash
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type: u2
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- id: hash
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size: len_hash
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public_key:
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seq:
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- id: version
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type: u1
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- id: size_bits
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type: u2
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- id: exponent
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type: u4
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- id: modulus
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size: size_bits / 8
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signature:
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seq:
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- id: version
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type: u1
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- id: size_bits
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type: u2
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- id: hash_algorithm_id
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type: u2
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- id: signature
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size: size_bits / 8
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key_signature:
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seq:
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- id: version
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type: u1
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- id: key_id
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type: u2
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- id: public_key
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type: public_key
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- id: sig_scheme
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type: u2
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- id: signature
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type: signature
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