CCID | package provides the source code | Change Data Capture library
kandi X-RAY | CCID Summary
kandi X-RAY | CCID Summary
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QUESTION
ISO/IEC 7816-3:2006 (12.1.2) defines the bytestring for a command to a Smart Card that sends data and is expected to produce some beyond a status word:
A command APDU of case 4 consists of a header, a LC field, a data field and a LE field.
ISO/IEC 7816-4:2020 (5.2) is similar. I restrict to the short case (4S) where
- LC is a byte in 01H…FFH directly coding integer NC (the number of bytes in the data field, thus discounting the 4-byte header)
- LE is a byte in 01H…FFH directly coding integer NE (the number of bytes expected from the card in response when no error occurs, discounting status words), or 00H meaning maximum (or equivalently NE=256).
In such case 4S, can LE be part of the data passed to PCSC SCardTransmit regardless of the protocol?
In other words, when passing such command to PCSC SCardTransmit, can we set cbSendLength to NC+6 regardless of the protocol?
I ask because I have a reproducible issue where including LE in a command (e.g. 00 A4 09 00 02 20 03 42 with cbSendLength = 8 in a context where the card will actually return a status word 6A 82 and no data) causes SCardTransmit to fail. The value of the LE byte is immaterial. That's with T=0 cards from different manufacturers and applications, several readers of different models but all with the same manufacturer-recommended Windows driver (GemPcCCID 4.1.4.0 of 2016-08-08 signed 2018-07-26, there). The problem vanishes with Microsoft's default CCID WUDF driver, or if I set cbSendLength to one less (thus removing LE). I have so far found no other reader/driver configuration triggering that issue, so I'm tented to say that's a driver issue (or at least an issue of the combination of that driver and the PCSC service it's supposed to work with).
I'd like some specification that tells if it's legit to include the LE byte to SCardTransmit, and I'd prefer something not Windows-specific.
I understand that if somewhat the application knows that the protocol T=0 is used, it's easy to omit the LE byte from the initial SCardTransmit, and I see how LE can be handled subsequently when the card sends a 61xx status word. However some contactless Smart Card readers pretend to be T=0 when they really use the ISO/IEC 14443-4 protocol, and then the LE byte is useful in some cases, thus I don't want to use that option.
Addition: the spec of ScardTransmit has:
For T=0, in the special case where no data is sent to the card and no data expected in return, this length (of the data passed to ScardTransmit) must reflect that the
bP3member is not being sent; the length should besizeof(CmdBytes) - sizeof(BYTE)(that is4, the length of the C-APDU).
Therefore, under in T=0, in cases 1, 2S, 3S, what's passed to ScardTransmit is the C-APDU, and in case 1 that differs from the C-TPDU. I'm asking if there is a reference settling about the imperative, in case 4S under T=0 specifically, to strip LE from a C-APDU (making it the C-TPDU) before passing it to ScardTransmit, similar to the above prescription to not make such conversion from C-APDU to C-TPDU in case 1 under T=0 (which ScardTransmit, the driver, or the reader will perform).
...ANSWER
Answered 2021-Sep-28 at 10:46According to ISO/IEC 7816-3:2006(E) command for T=0 protocol consists of CLA-INS-P1-P2-P3-Data, i.e. there is no any field behind data.
Clause 12.2.5 Case 4S is related to command-response pair transmission by T=0. It says: The command APDU is mapped onto the command TPDU by cutting off the Le field.
So, no Le byte is allowed at the end of command int the case 4S.
QUESTION
I finished writing multiple SQL statements in order to generate my final table CCtbase2. What I want to do next is to package the entire SQL code into a single SQL statement avoiding creating multiple temporary tables. I just want to write my query in a way in which I will be creating my final table without creating multiple temporary tables but I am not sure how to go about it and I apologise for not providing sample of the tables.
ANSWER
Answered 2021-Aug-06 at 02:09Can you try this solution
QUESTION
I'm trying to do a simple query. I want to have a list with a string and a Guid and a sub-list with a decimal and a string. I have my query this way but it keeps getting error when translated to Entity Framework what am I doing wrong?
Thanks in advance
...ANSWER
Answered 2021-May-31 at 06:06It is SQL limitation. You cannot select grouped items, only Key and aggregation result is allowed.
Add AsEnumerable to your LINQ query to do grouping on the client side:
QUESTION
How can I create a self join SQL query in MS SQL Server that: Displays the CCName of the client and the CCName of the client who referred him or her, for every client referred by a client in the Music industry.
...ANSWER
Answered 2021-Apr-19 at 12:07so youre new to this so I will try and explain it easily for you
This is the syntax:
QUESTION
Developing UEFI Based application for enabling pre-boot authentication using Feitian Auto ePass 2003 FIPS USB Token. I'm still in the initial stage of the development process.
Now I'm able to fetch Manufacturer, Product Code of the token by using UsbIo->UsbGetDeviceDescriptor protocol. But when I try to find serial number it's throwing an error.
Is there any other way to find the serial number of the USB Token? Please help me on this..
This is my sample code for finding serial number
...ANSWER
Answered 2021-Feb-07 at 08:07From what I have read, the Feitian Technologies ePass2003 uses an Infineon M7893 or SLE 78CUFX5000PH (M7893-B) security chip.
As you have found out, the serial number for the ePass2003 is not stored in the USB device descriptor but in the security chip.
To obtain chip global data such as OEM information, algorithm support, FIPS mode indicator, RAM size and serial number, the GetData primitive is used. See the M7893 programming guide. if you can obtain access to it.
The driver for ePass2003 in OpenSC is called “epass2003”. The source code is currently available at https://github.com/OpenSC/OpenSC/blob/master/src/libopensc/card-epass2003.c. It has dependencies on OpenSSL and ASN.1 and some non-EDK2 headers, but these are easily worked around.
If all you are looking for is the serial number, it should be fairly easy to write a UEFI application (or driver) to get that information either by studying how the OpenSC ePass2003 driver does it (hint - look at epass2003_get_serialnr or studying the ePass2003 SDK which is available for free from Feitain and elsewhere.
The UEFI 2.5 specification released in April 2015 detailed 2 protocols relating to smart cards, i.e. Smart Card Reader and Smart Card Edge.
QUESTION
Greetings fellow developers. I am new to ASP.NET C# so pardon me if there are areas that I missed out/
Current in my project, I have this Gridview - where I used "TemplateField" for almost every data field. My issue is, I do not know how can I pass the value in to another page. I tried using SESSION but unfortunately, it is not working. I also tried using BOUNDFIELD, it works but it does not fulfil my project requirement as the default setting for BOUNDFIELD is textbox, I want it to be a DROPDOWN LIST control instead. Any kind advice would be much appreciated. Attached below is my codes.
WebForm1.aspx
...ANSWER
Answered 2021-Jan-28 at 15:15Well, really one should hold off on the passing of the value to the next page until such time you have a working simple answer to select/get the given row that you clicked on right?
Be it a repeater, grid view, list view (details view) etc.?
In asp.net they ALL FOLLOW the same process. You want to have that button click set/move/change to the correct given row that you clicked on. Until you have that “movement” or selection of the row occur, then you will fail at attempting to grab values from that row.
So, looking at this, you have a link button (it could be a asp.net button if want – don’t matter), you need that button to trigger/set/move/cause the row you are working on to change FIRST and BEFORE you attempt to grab data/values from that given row.
The WAY you do this is to add a special command. As noted, this works for list view/grivdview/repeater and MANY more data bound controls.
so what you learn here can apply to just about ANY data aware control (that repeats data).
So, add this to the one link button in the item template:
QUESTION
I'm trying to get user_id from an async function. This is my action:
...ANSWER
Answered 2021-Jan-24 at 09:31I solved the problem. I got a Firebase login right after this action. Looks like the Firebase login action resets the state. I created another reducer called user. And dispatched the action above to that user reducer. I don't know why Firebase action resets the state, but it worked after dividing reducers.
QUESTION
So I'm trying to get ALL elements EXACTLY like this with the exception that the numbers after ccid can be anything
...ANSWER
Answered 2021-Jan-23 at 17:07So you have almost correct xpath, where you just need to indicate that you need only first occurense of element?
QUESTION
ANSWER
Answered 2021-Jan-05 at 06:42I don't know PHP but are you sure you are passing the same payload to the post endpoint in both case? Try printing the both payloads and compare.
Python:
QUESTION
In Word 2013, I need to share a variable (ccID) between ThisDocument and a regular module. Here's the code:
"Project (Toto)" → "Microsoft Word Objects" → "ThisDocument":
...ANSWER
Answered 2020-Nov-05 at 15:58This worked fine for me:
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