OpenSSL::PKey::RSA#public_decrypt

# File tmp/rubies/ruby-3.1.3/ext/openssl/lib/openssl/pkey.rb, line 394
def public_decrypt(string, padding = PKCS1_PADDING)
  n or raise OpenSSL::PKey::RSAError, "incomplete RSA"
  begin
    verify_recover(nil, string, {
      "rsa_padding_mode" => translate_padding_mode(padding),
    })
  rescue OpenSSL::PKey::PKeyError
    raise OpenSSL::PKey::RSAError, $!.message
  end
end