Module | Base32 |
In: |
lib/Dnsruby/resource/NSEC3.rb
|
HEX | = | '[0-9a-v]' |
# File lib/Dnsruby/resource/NSEC3.rb, line 33 33: def decode32hex(str) 34: str.gsub(/\G\s*(#{HEX}{8}|#{HEX}{7}=|#{HEX}{5}={3}|#{HEX}{4}={4}|#{HEX}{2}={6}|(\S))/imno) do 35: raise "invalid base32" if $2 36: s = $1 37: s.tr("=", "0").to_i(32).divmod(256).pack("NC")[0, 38: (s.count("^=")*5).div(8)] 39: end 40: end
# File lib/Dnsruby/resource/NSEC3.rb, line 19 19: def encode32hex(str) 20: str.gsub(/\G(.{5})|(.{1,4}\z)/mn) do 21: full = $1; frag = $2 22: n, c = (full || frag.ljust(5, "\0")).unpack("NC") 23: full = ((n << 8) | c).to_s(32).rjust(8, "0") 24: if frag 25: full[0, (frag.length*8+4).div(5)].ljust(8, "=").upcase 26: else 27: full.upcase 28: end 29: end 30: end