bap | simple protocol to create a chain trust for any kind | Identity Management library
kandi X-RAY | bap Summary
kandi X-RAY | bap Summary
A simple protocol to create a chain of trust for any kind of data on the Bitcoin blockchain. Special thanks to Attila Aros & Satchmo. Inspired by the AUTHOR IDENTITY Protocol. NOTE: All examples in this document use fake identity keys, addresses and signatures. See the test data sets for real world examples that can be used in a test suite when developing a library.
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QUESTION
I am trying to deploy an app using netlify, but the deploys are failing with the following error:
...ANSWER
Answered 2021-Jun-07 at 16:19If you run the following command you will get the error locally: ng build --prod
Since you are using the toolbar component in multiple modules, I would advise moving the component into a SharedModule and instead of importing the component into multiple modules, you need to import that module.
QUESTION
This is my code
...ANSWER
Answered 2021-May-20 at 15:48Solved problem. It needs to be a string
QUESTION
I am new to Flutter. I was trying deserialize json string and make dart objects. But I can't.
When I try to map, it won't execute debugPrint(). I don't know why and there is no erorr? please help me. API is working fine. When I print data using response.body - it also prints the real json data.
...ANSWER
Answered 2021-Apr-13 at 06:51use this for fetch List of User from json
QUESTION
hi:) im currently working on something using python/ pycharm for which i need to access multiple excel worksheets and use the data stored within them. I managed to access the sheets individually, however, there was a lot of repeated code and in an attempt to reduce redundancy, i tried using a for loop (as all the data that i need from each excel worksheet is found in the same rows and columns). this is the code i used to open each sheet:
...ANSWER
Answered 2021-Feb-09 at 14:53Try something like this:
QUESTION
I have data like this:
...ANSWER
Answered 2021-Jan-18 at 14:35You need to change the conditions a bit because it's different from your previous question (and my previous answer). You can use lead
in addition to lag
to achieve what you wanted.
QUESTION
help please...I have data like this:
...ANSWER
Answered 2020-Dec-10 at 08:02Add two columns begin0 and begin1 to help with parsing your data using window functions:
QUESTION
N.B, the problem I'm facing is not related to the business logic, but rather, with the stored procedured itself. it's a very weird problem I'm facing and I haven't had this kind of problem before.
I'm modifying a stored procedure written in PL/SQL - called "MY_STORED_PROC
" - and, each time I change its content, the previous changes still in the result of the execution of the SP.
This is the sample of the stored procedure:
...ANSWER
Answered 2020-Oct-23 at 22:35Okay, that does sounds weird. There should be no "refresh" required, the stored procedure is stored in the database and that's the one that gets executed. As long as you aren't using EBR then there's no risk of different versions being called as long as you are executing exactly the same procedure.
The most likely explanation is some silly mistake that you've overlooked, so start by simplifying your procedure further. You've already confirmed with the error message that it is being called each time. Remove the other parts of your code so it's just the insert into t_debug statement, maybe make it so that it selects from dual rather than your other table with a filter. Remove the arguments for the procedure. Try inserting into a different new table (maybe you have a trigger). If you still manage to replicate the behaviour when you have simplified it to:
QUESTION
I have several txt files which consists of different values, e.g:
...ANSWER
Answered 2020-Oct-04 at 10:10at the moment you are counting lines
QUESTION
ANSWER
Answered 2020-Sep-17 at 16:04Here's a start:
QUESTION
Using android device to nfc read my country ID card and Driver license (hint: both had 3 lines MRZ of Type TD1 and the Driver card has a number 8digits+'E' near the chip, witch I don't know what is used for!?)
for ID card part I used jmrtd library (BAC protocol, and I successfully read all what I want Data Group {1,2,11,12})
for Driver License, after reading some standards I supposed to do BAP instead-of BAC So I implemented a DLicenseService class the same as PassportService but with some minor changes:
- changed EF_COM to 001F and AID to A0000002480200 (witch worked in the first tries) ...
- I'm doing BAC as BAP with a custom key derivation algorithm the triplet (docNumber, dateOfBirth, dateOfExpiry) did not work...
My questions are:
- Is there any protection against a wrong key derivation multiple attempts (assuming BAP == BAC) because the scuba service now is failing!!...please don't tell me there is and my card is blocked...
- Are BAP and BAC equivalent? should I try other protocol?
- Do you know the most used key seed derivation algorithm for Driver License (like SHA1 of last 6 doc digits...)
- Is there a library to deal with Driver License like jmrtd for travel document?
ANSWER
Answered 2020-Jul-18 at 07:12- Yes, BAC and BAP are equivalent
- The triplet worked for Driver licence
- I implemented all my logic on top of jmrtd code and every think worked fine, basically I implemented :
- DLicenseService class
- COMFile and all DGxFile that I'm interested in taking into account the correct SFI and Tags values from the iso/IEC FCD 18013-2 standard.
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