/usr/lib/ruby/vendor_ruby/net/ssh/authentication/ed25519_loader.rb is in ruby-net-ssh 1:4.2.0-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | module Net; module SSH; module Authentication
# Loads ED25519 support which requires optinal dependecies like
# rbnacl, bcrypt_pbkdf
module ED25519Loader
begin
require 'net/ssh/authentication/ed25519'
LOADED = true
ERROR = nil
rescue LoadError => e
ERROR = e
LOADED = false
end
def self.raiseUnlessLoaded(message)
description = ERROR.is_a?(LoadError) ? dependenciesRequiredForED25519 : ''
description << "#{ERROR.class} : \"#{ERROR.message}\"\n" if ERROR
raise NotImplementedError, "#{message}\n#{description}" unless LOADED
end
def self.dependenciesRequiredForED25519
result = "net-ssh requires the following gems for ed25519 support:\n"
result << " * rbnacl (>= 3.2, < 6.0)\n"
result << " * rbnacl-libsodium, if your system doesn't have libsodium installed.\n"
result << " * bcrypt_pbkdf (>= 1.0, < 2.0)\n" unless RUBY_PLATFORM == "java"
result << "See https://github.com/net-ssh/net-ssh/issues/478 for more information\n"
end
end
end; end; end
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