Class: MooTool::Models::IMG4::IMG4Manifest

Inherits:
Object
  • Object
show all
Includes:
Helpers::IMG4
Defined in:
lib/mootool/models/img4/img4_manifest.rb

Overview

IMG4 Manifests are used in multiple ways, such as an APTicket which is a combined set of acceptable hashes, or as additional properties included in data such as FDR.

Constant Summary

Constants included from Helpers::IMG4

Helpers::IMG4::DECODE_TAGS, Helpers::IMG4::FIRMWARE_TAGS, Helpers::IMG4::HASH_LENGTHS, Helpers::IMG4::KEY_INSTANCE_TAGS, Helpers::IMG4::KVP_TAGS, Helpers::IMG4::OCTET_TAGS, Helpers::IMG4::SEQUENCE_TAGS, Helpers::IMG4::SIGNATURE_TAGS

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helpers::IMG4

#construct, #construct_object, #decode_construct, parse_4cc

Constructor Details

#initialize(input) ⇒ IMG4Manifest

Returns a new instance of IMG4Manifest.



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# File 'lib/mootool/models/img4/img4_manifest.rb', line 13

def initialize(input)
  @input = input

  @data = if @input.value.size == 1
            input.value[0]
          else
            input
          end

  @version = @data.value[1].value.to_i
  @body = construct(@data.value[2])
  @signature = File.parse_signature(@data.value[3]) if @data.value[3]
  @certificates = File.parse_certificates(@data.value[4]) if @data.value[4]
end

Instance Attribute Details

#certificates ⇒ Object (readonly)

Returns the value of attribute certificates.



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# File 'lib/mootool/models/img4/img4_manifest.rb', line 11

def certificates
  @certificates
end

#signature ⇒ Object (readonly)

Returns the value of attribute signature.



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# File 'lib/mootool/models/img4/img4_manifest.rb', line 11

def signature
  @signature
end

Instance Method Details

#hashes ⇒ Object 



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# File 'lib/mootool/models/img4/img4_manifest.rb', line 45

def hashes
  [
    Models::Digest.create(::Digest::SHA384.digest(to_bytes)),
    Models::Digest.create(::Digest::SHA384.digest(@data.to_der)),
    Models::Digest.create(::Digest::SHA384.digest(@data.value[2].to_der))
  ]
end

#inspect ⇒ Object 



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# File 'lib/mootool/models/img4/img4_manifest.rb', line 37

def inspect
  to_h.ai
end

#to_bytes ⇒ Object 



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# File 'lib/mootool/models/img4/img4_manifest.rb', line 41

def to_bytes
  @input.to_der
end

#to_h ⇒ Object 



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# File 'lib/mootool/models/img4/img4_manifest.rb', line 28

def to_h
  {
    version: @version,
    body: @body,
    signature: @signature,
    certificates: @certificates
  }
end