function scardlistreaders returned error code The Plains Virginia

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function scardlistreaders returned error code The Plains, Virginia

SCARD_STATE_INUSE The card in the reader is in use by one or more other applications, but may be connected to in shared mode. If *pcchReaders is equal to SCARD_AUTOALLOCATE then the function will allocate itself the needed memory. Is it possible to update admin key by apdu command....any idea? –codedip May 27 '13 at 10:39 Yes, it may be possible. Value of pioSendPci Meaning SCARD_PCI_T0 Pre-defined T=0 PCI structure SCARD_PCI_T1 Pre-defined T=1 PCI structure from smartcard.scard import * hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER) hresult, hcard, dwActiveProtocol = SCardConnect( hcontext, 'SchlumbergerSema Reflex USB

Take it as a help and check every line for validity. Password Register Forum Help Today's Posts Search Search Forums Show Threads Show Posts Advanced Search Go to Page... SCARD_PROTOCOL_RAW - Use with memory type cards. LONGSCardFreeMemory (SCARDCONTEXT hContext, LPCVOID pvMem) Releases memory that has been returned from the resource manager using the SCARD_AUTOALLOCATE length designator.

SCARD_LEAVE_CARD - Do nothing. If either of these is too small, the function will return with SCARD_E_INSUFFICIENT_BUFFER and the necessary size in pcchReaderLen and pcbAtrLen. Parameters [in]pcscErrorError code to be translated to text. In a multi application environment it is possible for an application to reset the card in shared mode.

Parameters [in]hCardConnection made from SCardConnect(). [in]dwDispositionAction to be taken on the reader. LONG SCardBeginTransaction ( SCARDHANDLE hCard) Establishes a temporary exclusive access mode for doing a serie of commands in a transaction. SCARD_STATE_UNKNOWN The given reader name is not recognized by the resource manager. We appreciate your feedback.

This buffer is in the format of an SCARD_IO_REQUEST structure, followed by the specific protocol control information (PCI). It's another one hard to grasp at first but you can't live without it when you get the idea. :-) Pierre Comment Post Cancel Pierre Bellisle Member Join Date: Dec 2001 And some dwAttrId values not listed here may be implemented. SCARD_STATE_EMPTY There is no card in the reader.

Return values SCARD_S_SUCCESSSuccessful(SCARD_S_SUCCESS) SCARD_E_INVALID_HANDLEInvalid hCard handle (SCARD_E_INVALID_HANDLE) SCARD_E_INVALID_VALUEInvalid dwDisposition (SCARD_E_INVALID_VALUE) SCARD_E_NO_SERVICEThe server is not running (SCARD_E_NO_SERVICE) SCARD_E_NO_SMARTCARDNo smart card present (SCARD_E_NO_SMARTCARD) SCARD_F_COMM_ERRORAn internal communications error has been detected (SCARD_F_COMM_ERROR) 1SCARDCONTEXT hContext; establish context ... SCARD_PROTOCOL_T1 - Use the T=1 protocol. Return values SCARD_S_SUCCESSSuccessful (SCARD_S_SUCCESS) SCARD_E_INVALID_HANDLEInvalid hCard handle (SCARD_E_INVALID_HANDLE) SCARD_E_NO_SERVICEThe server is not running (SCARD_E_NO_SERVICE) SCARD_E_READER_UNAVAILABLEThe reader has been removed (SCARD_E_READER_UNAVAILABLE) SCARD_E_SHARING_VIOLATIONSomeone else has exclusive rights (SCARD_E_SHARING_VIOLATION) SCARD_F_COMM_ERRORAn internal communications error has

Returns: SCARDRETCODE SCardGetAttrib(hcard, dwAttrId) sourcecode Parameters: hcard: card handle return from SCardConnect() dwAttrId: value of attribute to get This function get an attribute from the IFD Handler. The new event state will be contained in dwEventState. For information about other access functions, see Smart Card and Reader Access Functions. SCARD_PRESENT - There is a card in the reader, but it has not been moved into position for use.

More... The card is not powered. You might want to use this when you are selecting a few files and then writing a large file so you can make sure that another application will not change the More...

Any idea, what that means? ReturnsConnection status. establish context, connect to card, begin transaction ... Return values SCARD_S_SUCCESSSuccessful (SCARD_S_SUCCESS) SCARD_E_INVALID_HANDLEInvalid hContext handle (SCARD_E_INVALID_HANDLE) SCARD_E_INVALID_PARAMETERphCard or pdwActiveProtocol is NULL (SCARD_E_INVALID_PARAMETER) SCARD_E_INVALID_VALUEInvalid sharing mode, requested protocol, or reader name (SCARD_E_INVALID_VALUE) SCARD_E_NO_SERVICEThe server is not running (SCARD_E_NO_SERVICE) SCARD_E_NO_SMARTCARDNo smart

This parameter can be NULL if no PCI is returned. More... If *pcbAttrLen is equal to SCARD_AUTOALLOCATE then the function will allocate itself the needed memory. Downloads and tools Windows 10 dev tools Visual Studio Windows SDK Windows Store badges Essentials API reference (Windows apps) API reference (desktop apps) Code samples How-to guides (Windows apps) Learning resources

LONGSCardTransmit (SCARDHANDLE hCard, const SCARD_IO_REQUEST *pioSendPci, LPCBYTE pbSendBuffer, DWORD cbSendLength, SCARD_IO_REQUEST *pioRecvPci, LPBYTE pbRecvBuffer, LPDWORD pcbRecvLength) Sends an APDU to the smart card contained in the reader connected to by SCardConnect(). pbRecvBuffer [out] Pointer to any data returned from the card. This can either be a local or remote connection. SCARD_RESET_CARD - Reset the card.

ReturnsError code. If the application sends mszGroups as NULL then this function will return the size of the buffer needed to allocate in pcchGroups. Here is exposed the API for client applications. If no data is returned from the card, then this buffer will only contain the SW1 and SW2 status bytes.

How do I say "best practice" in Esperanto? Returns: SCARDRETCODE SCardReleaseContext(hcontext) sourcecode Parameters: hcontext: context handle return from SCardEstablishContext() Returns: SCARDRETCODE SCardStatus(hcard) sourcecode Parameters: hcard: card handle return from SCardConnect() This function returns the current status of the reader This is represented by all bits set to zero. The pbRecvBuffer will receive the data returned from the card, immediately followed by the SW1 and SW2 status codes from the operation.

It then blocks waiting for a change in state to occur for a maximum blocking time of dwTimeout or forever if INFINITE is used. ReturnsText representing the error code passed. 1SCARDCONTEXT hContext; 2LONG rv; 3rv = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &hContext); 4if (rv != SCARD_S_SUCCESS) 5 printf("SCardEstablishContext: %s (0x%lX)\n", 6 pcsc_stringify_error(rv), rv); Definition at line 77 hresult = SCardEndTransaction(hcard, SCARD_LEAVE_CARD) if hresult != SCARD_S_SUCCESS: raise error, 'failed to end transaction: ' + SCardGetErrorMessage(hresult) Returns: SCARDRETCODE SCardEstablishContext(dwScope) sourcecode Parameters: dwScope: context scope This function creates a communication context Windows Server 2008, Windows Vista, Windows Server 2003, and Windows XP: This error code is not available. '%SCARD_E_READER_UNAVAILABLE 0x80100017 The specified reader is not currently available for use. '%SCARD_E_READER_UNSUPPORTED 0x8010001A The

Sending data to the card To send n bytes of data to the card, where n>0, the send and receive buffers must be formatted as follows. I am really confused. ReturnsError code. More...

If this value is NULL, SCardGetAttrib() ignores the buffer length supplied in pcbAttrLen, writes the length of the buffer that would have been returned if this parameter had not been NULL SCARD_LOCAL_READERS TEXT("SCard$LocalReaders\000") Unused legacy value. ReturnsError code. If this bit is set, SCARD_STATE_PRESENT will also be set.

The pcbRecvLength should be at least two and will be set to two upon return. SCARD_SCOPE_SYSTEM - Services on the local machine. [in]pvReserved1Reserved for future use. [in]pvReserved2Reserved for future use. [out]phContextReturned Application Context.