Time-based one-time password algorithm: Difference between revisions
Time-based one-time password algorithm (view source)
Revision as of 10:27, 26 October 2017
, 6 years agoadd PicoLisp
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(add PicoLisp) |
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Line 306:
fmt.Println(code)
}</lang>
=={{header|PicoLisp}}==
<lang PicoLisp>(load "sha1.l")
(de hmac ("Fun" Msg Key)
(let (Key (copy Key) Len (length Key))
(and
(> Len 64)
(setq Key ("Fun" Key)) )
(setq Key (need -64 Key 0))
("Fun"
(append
(mapcar x| (need 64 `(hex "5C")) Key)
("Fun" (append (mapcar x| (need 64 `(hex "36")) Key) Msg)) ) ) ) )
(de endian64 (N)
(make
(do 8
(yoke (& N 255))
(setq N (>> 8 N)) ) ) )
(de endian32 (L)
(apply
|
(mapcar >> (-24 -16 -8 0) L) ) )
(de truncate (Lst D)
(let L (nth Lst (inc (& (last Lst) `(hex "F"))))
(set L (& (car L) `(hex "7F")))
(% (endian32 (head 4 L)) (** 10 D)) ) )
(de hotp (K N D)
(default D 6)
(truncate
(hmac 'sha1 (endian64 N) K)
D ) )
(def 'totp hotp)
# RFC4226
(for
(I . N)
(755224 287082 359152 969429 338314
254676 287922 162583 399871 520489 )
(test
N
(hotp (mapcar char (chop "12345678901234567890")) (dec I)) ) )
# RFC6238
(for L
(quote
(1 . 94287082) (37037036 . 7081804) (37037037 . 14050471)
(41152263 . 89005924) (66666666 . 69279037) (666666666 . 65353130) )
(test
(cdr L)
(totp (mapcar char (chop "12345678901234567890")) (car L) 8) ) )</lang>
=={{header|Racket}}==
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