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update README formatting for API

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Roman Shtylman 2012-06-03 18:27:32 -04:00
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@ -52,90 +52,55 @@ Note: If your label has spaces or other invalid uri characters you will need to
# API # API
##hotp.verify(token, key, opt) ##hotp.verify(token, key, opt)
Check a One Time Password based on a counter. Check a counter based one time password for validity.
First argument of callback is true if password check is successful, Returns null if token is not valid for given key and options.
or false if check fails.
Second argument is the time step difference between the client and Returns an object `{delta: #}` if the token is valid. `delta` is the count skew between client and server.
the server. This argument is only passed if the password check is
successful.
Arguments: ### opt
** window **
> The allowable margin for the counter. The function will check `window` codes in the future against the provided token.
opt > i.e. if `window = 100` and `counter = 5` all tokens between 5 and 105 will be checked against the supplied token
window - The allowable margin for the counter. The function will check > Default - 50
W codes in the future against the provided passcode. Note,
it is the calling applications responsibility to keep track of
W and increment it for each password check, and also to adjust
it accordingly in the case where the client and server become
out of sync (second argument returns non zero).
E.g. if W = 100, and C = 5, this function will check the psscode
against all One Time Passcodes between 5 and 105.
Default - 50
counter - Counter value. This should be stored by the application, must
be user specific, and be incremented for each request.
** counter **
> Counter value. This should be stored by the application on a per user basis. It is up to the application to track and increment this value as needed. It is also up to the application to increment this value if there is a skew between the client and server (`delta`)
##totp.verify(token, key, opt) ##totp.verify(token, key, opt)
Check a time based one time password for validity
Check a One Time Password based on a timer. Returns null if token is not valid for given key and options.
First argument of callback is true if password check is successful, Returns an object `{delta: #}` if the token is valid. `delta` is the count skew between client and server.
or false if check fails.
Second argument is the time step difference between the client and ### opt
the server. This argument is only passed if the password check is ** window **
successful. > The allowable margin for the counter. The function will check `window` codes in the future against the provided token.
> i.e. if `window = 5` and `counter = 1000` all tokens between 995 and 1005 will be checked against the supplied token
> Default - 6
Arguments: ** time **
> The time step of the counter. This must be the same for every request and is used to calculate C.
opt > Default - 30
window - The allowable margin for the counter. The function will check
W codes either side of the provided counter. Note,
it is the calling applications responsibility to keep track of
W and increment it for each password check, and also to adjust
it accordingly in the case where the client and server become
out of sync (second argument returns non zero).
E.g. if W = 5, and C = 1000, this function will check the psscode
against all One Time Passcodes between 995 and 1005.
Default - 6
time - The time step of the counter. This must be the same for
every request and is used to calculat C.
Default - 30
##hotp.gen(key, opt) ##hotp.gen(key, opt)
Generate a counter based One Time Password Return a counter based one time password
First argument of callback is the value of the One Time Password ### opt
** counter **
Arguments: > Counter value. This should be stored by the application, must be user specific, and be incremented for each request.
opt
counter - Counter value. This should be stored by the application, must
be user specific, and be incremented for each request.
##totp.gen(key, opt) ##totp.gen(key, opt)
Generate a time based One Time Password Return a time based one time password
First argument of callback is the value of the One Time Password ### opt
** time **
Arguments: > The time step of the counter. This must be the same for every request and is used to calculate C.
> Default - 30
opt
time - The time step of the counter. This must be the same for
every request and is used to calculate C.
Default - 30
# Migrating from 1.x to 2.x # Migrating from 1.x to 2.x