diff options
author | Azul <azul@riseup.net> | 2017-09-22 15:30:40 +0200 |
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committer | Azul <azul@riseup.net> | 2017-09-22 15:30:47 +0200 |
commit | 3f777b4cbc7eaa4d127ec31e1d625bba65a40c0d (patch) | |
tree | c352dbcf7c493afad8fad1ee343734563f311301 /lib/zbase32.rb | |
parent | bc48ac30c232f1e3fa5f5ad455f14d5fec17abeb (diff) |
wkd: implement basic lookup of keys through wkd
wkd is the web key directory. See the Readme.md in
/lib/nickserver/wkd
Diffstat (limited to 'lib/zbase32.rb')
-rw-r--r-- | lib/zbase32.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/zbase32.rb b/lib/zbase32.rb new file mode 100644 index 0000000..754213d --- /dev/null +++ b/lib/zbase32.rb @@ -0,0 +1,19 @@ +module ZBase32 + + ALPHABET = 'ybndrfg8ejkmcpqxot1uwisza345h769'.split('').freeze + + def self.encode32(bin_string) + bin_string.scan(/[01]{1,5}/).map do |bits| + ALPHABET[bits.ljust(5, '0').to_i(2)] + end.join + end + + def self.decode32(enc) + bin = enc.split('').map do |char| + ALPHABET.index(char).to_s(2).rjust(5, '0') + end.join + bin[0, (8 * (bin.length / 8))] + # .sub /10*$/ ,'1' + end + +end |