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EDIT :: policies.rb

# frozen_string_literal: true module Gem::Security ## # No security policy: all package signature checks are disabled. NoSecurity = Policy.new( "No Security", :verify_data => false, :verify_signer => false, :verify_chain => false, :verify_root => false, :only_trusted => false, :only_signed => false ) ## # AlmostNo security policy: only verify that the signing certificate is the # one that actually signed the data. Make no attempt to verify the signing # certificate chain. # # This policy is basically useless. better than nothing, but can still be # easily spoofed, and is not recommended. AlmostNoSecurity = Policy.new( "Almost No Security", :verify_data => true, :verify_signer => false, :verify_chain => false, :verify_root => false, :only_trusted => false, :only_signed => false ) ## # Low security policy: only verify that the signing certificate is actually # the gem signer, and that the signing certificate is valid. # # This policy is better than nothing, but can still be easily spoofed, and # is not recommended. LowSecurity = Policy.new( "Low Security", :verify_data => true, :verify_signer => true, :verify_chain => false, :verify_root => false, :only_trusted => false, :only_signed => false ) ## # Medium security policy: verify the signing certificate, verify the signing # certificate chain all the way to the root certificate, and only trust root # certificates that we have explicitly allowed trust for. # # This security policy is reasonable, but it allows unsigned packages, so a # malicious person could simply delete the package signature and pass the # gem off as unsigned. MediumSecurity = Policy.new( "Medium Security", :verify_data => true, :verify_signer => true, :verify_chain => true, :verify_root => true, :only_trusted => true, :only_signed => false ) ## # High security policy: only allow signed gems to be installed, verify the # signing certificate, verify the signing certificate chain all the way to # the root certificate, and only trust root certificates that we have # explicitly allowed trust for. # # This security policy is significantly more difficult to bypass, and offers # a reasonable guarantee that the contents of the gem have not been altered. HighSecurity = Policy.new( "High Security", :verify_data => true, :verify_signer => true, :verify_chain => true, :verify_root => true, :only_trusted => true, :only_signed => true ) ## # Policy used to verify a certificate and key when signing a gem SigningPolicy = Policy.new( "Signing Policy", :verify_data => false, :verify_signer => true, :verify_chain => true, :verify_root => true, :only_trusted => false, :only_signed => false ) ## # Hash of configured security policies Policies = { "NoSecurity" => NoSecurity, "AlmostNoSecurity" => AlmostNoSecurity, "LowSecurity" => LowSecurity, "MediumSecurity" => MediumSecurity, "HighSecurity" => HighSecurity, # SigningPolicy is not intended for use by `gem -P` so do not list it }.freeze end

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