Adds PHP implementation of client-side OTP check #1
+63
−9
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
|
|
||
| } | ||
|
|
||
| public static function oathTruncate($hash, $otpLength) |
There was a problem hiding this comment.
What does this do? I see a lot of bit manipulation.
There was a problem hiding this comment.
Best explanation is http://en.wikipedia.org/wiki/HMAC-based_One-time_Password_Algorithm. Truncate is:
a function that selects 4 bytes from the result of the HMAC in a defined manner
This implementation is just a php port of the truncate algorithm from the oath reference implementation
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
No description provided.