Class: Sigstore::Internal::Key::ED25519

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

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Sigstore::Internal::Key

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

Methods included from Loggable

included, #logger

Constructor Details

#initialize ⇒ ED25519

Returns a new instance of ED25519.

Raises:

  • (ArgumentError) 


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# File 'lib/sigstore/internal/key.rb', line 157

def initialize(...)
  super
  unless @key_type == "ed25519"
    raise ArgumentError,
          "key_type must be ed25519, given #{@key_type}"
  end
  unless @key.is_a?(OpenSSL::PKey::PKey) && @key.oid == "ED25519"
    raise ArgumentError,
          "key must be an OpenSSL::PKey::PKey with oid ED25519, is #{@key.inspect}"
  end
  raise ArgumentError, "schema must be #{schema}" unless @schema == schema

  case @schema
  when "ed25519"
    # supported
  else
    raise ArgumentError, "Unsupported schema #{schema}"
  end
end

Class Method Details

.pkey_from_der(raw) ⇒ Object 



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# File 'lib/sigstore/internal/key.rb', line 144

def self.pkey_from_der(raw)
  if OpenSSL::PKey.respond_to?(:new_raw_public_key)
    OpenSSL::PKey.new_raw_public_key("ed25519", raw)
  else
    pem = <<~PEM
      -----BEGIN PUBLIC KEY-----
      MCowBQYDK2VwAyEA#{Internal::Util.base64_encode(raw)}
      -----END PUBLIC KEY-----
    PEM
    OpenSSL::PKey.read(pem)
  end
end

Instance Method Details

#verify(_algo, signature, data) ⇒ Object 



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# File 'lib/sigstore/internal/key.rb', line 177

def verify(_algo, signature, data)
  super(nil, signature, data)
end