# File lib/Dnsruby/resource/NSEC3.rb, line 33 def decode32hex(str) str.gsub(%r\G\s*(#{HEX}{8}|#{HEX}{7}=|#{HEX}{5}={3}|#{HEX}{4}={4}|#{HEX}{2}={6}|(\S))/mno) do raise "invalid base32" if $2 s = $1 s.tr("=", "0").to_i(32).divmod(256).pack("NC")[0, (s.count("^=")*5).div(8)] end end
# File lib/Dnsruby/resource/NSEC3.rb, line 19 def encode32hex(str) str.gsub(%r\G(.{5})|(.{1,4}\z)/n) do full = $1; frag = $2 n, c = (full || frag.ljust(5, "\00"")).unpack("NC") full = ((n << 8) | c).to_s(32).rjust(8, "0") if frag full[0, (frag.length*8+4).div(5)].ljust(8, "=").upcase else full.upcase end end end