Class: COSE::Key::Symmetric

Inherits:
Base
  • Object
show all
Defined in:
lib/cose/key/symmetric.rb

Constant Summary collapse

LABEL_K = 
-1
KTY_SYMMETRIC = 
4

Constants inherited from Base

Base::LABEL_ALG, Base::LABEL_BASE_IV, Base::LABEL_KEY_OPS, Base::LABEL_KID, Base::LABEL_KTY

Instance Attribute Summary collapse

Attributes inherited from Base

#alg, #base_iv, #key_ops, #kid

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

deserialize, from_map, #serialize

Constructor Details

#initialize(k:, **keyword_arguments) ⇒ Symmetric

rubocop:disable Naming/MethodParameterName



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# File 'lib/cose/key/symmetric.rb', line 20

def initialize(k:, **keyword_arguments) # rubocop:disable Naming/MethodParameterName
  super(**keyword_arguments)

  if !k
    raise ArgumentError, "Required key value k is missing"
  else
    @k = k
  end
end

Instance Attribute Details

#k ⇒ Object (readonly)

Returns the value of attribute k.



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# File 'lib/cose/key/symmetric.rb', line 12

def k
  @k
end

Class Method Details

.enforce_type(map) ⇒ Object 



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# File 'lib/cose/key/symmetric.rb', line 14

def self.enforce_type(map)
  if map[LABEL_KTY] != KTY_SYMMETRIC
    raise "Not a Symmetric key"
  end
end

.keyword_arguments_for_initialize(map) ⇒ Object 



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# File 'lib/cose/key/symmetric.rb', line 34

def self.keyword_arguments_for_initialize(map)
  { k: map[LABEL_K] }
end

Instance Method Details

#map ⇒ Object 



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# File 'lib/cose/key/symmetric.rb', line 30

def map
  super.merge(LABEL_KTY => KTY_SYMMETRIC, LABEL_K => k)
end