Class: Sigstore::Internal::Key::EDCSA

Inherits:
Sigstore::Internal::Key show all
Defined in:
lib/sigstore/internal/key.rb

Instance Attribute Summary

Attributes inherited from Sigstore::Internal::Key

#key_id, #key_type, #schema

Instance Method Summary collapse

Methods inherited from Sigstore::Internal::Key

from_key_details, #public_to_der, read, #to_der, #to_pem, #verify

Methods included from Loggable

included, #logger

Constructor Details

#initialize ⇒ EDCSA

Returns a new instance of EDCSA.



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# File 'lib/sigstore/internal/key.rb', line 90

def initialize(...)
  super
  unless @key_type == "ecdsa" || @key_type == "ecdsa-sha2-nistp256"
    raise ArgumentError,
          "key_type must be edcsa, given #{@key_type}"
  end
  unless @key.is_a?(OpenSSL::PKey::EC)
    raise ArgumentError,
          "key must be an OpenSSL::PKey::EC, is #{@key.inspect}"
  end

  case @schema
  when "ecdsa-sha2-nistp256"
    unless @key.group.curve_name == "prime256v1"
      raise ArgumentError, "Expected prime256v1 curve, got #{@key.group.curve_name}"
    end
  else
    raise ArgumentError, "Unsupported schema #{schema}"
  end
end