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Versions: 210
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Contents
# frozen_string_literal: true
require 'base64'
module Aws
module S3
module Encryption
class Materials
# @option options [required, OpenSSL::PKey::RSA, String] :key
# The master key to use for encrypting/decrypting all objects.
#
# @option options [String<JSON>] :description ('{}')
# The encryption materials description. This is must be
# a JSON document string.
#
def initialize(options = {})
@key = validate_key(options[:key])
@description = validate_desc(options[:description])
end
# @return [OpenSSL::PKey::RSA, String]
attr_reader :key
# @return [String<JSON>]
attr_reader :description
private
def validate_key(key)
case key
when OpenSSL::PKey::RSA then key
when String
if [32, 24, 16].include?(key.bytesize)
key
else
msg = 'invalid key, symmetric key required to be 16, 24, or '\
'32 bytes in length, saw length ' + key.bytesize.to_s
raise ArgumentError, msg
end
else
msg = 'invalid encryption key, expected an OpenSSL::PKey::RSA key '\
'(for asymmetric encryption) or a String (for symmetric '\
'encryption).'
raise ArgumentError, msg
end
end
def validate_desc(description)
Json.load(description)
description
rescue Json::ParseError, EncodingError
msg = 'expected description to be a valid JSON document string'
raise ArgumentError, msg
end
end
end
end
end
Version data entries
210 entries across 210 versions & 2 rubygems