Visual FoxPro
Visual FoxPro
ScMinidriver - Get Smartcard Properties
See more ScMinidriver Examples
Gets information about the smart card currently inserted in the reader (or USB token).Chilkat Visual FoxPro Downloads
LOCAL lnSuccess
LOCAL loScmd
LOCAL lcReaderName
LOCAL loJson
LOCAL lcStrVal
LOCAL lnBytesAvailable
LOCAL lnContainersAvailable
LOCAL lnMaxKeyContainers
LOCAL lnCapabilitiesFCertificateCompression
LOCAL lnCapabilitiesFKeyGen
LOCAL lnKeySizesMinimumBitlen
LOCAL lnKeySizesDefaultBitlen
LOCAL lnKeySizesMaximumBitlen
LOCAL lnKeySizesIncrementalBitlen
LOCAL lnReadOnly
LOCAL lcCacheMode
LOCAL lnSupportsWinX509Enrollment
LOCAL lcGuid
LOCAL lcSerial
LOCAL lcPinUserType
LOCAL lcPinUserPurpose
LOCAL lcPinUserCachePolicy
LOCAL lcPinUserPolicyInfo
LOCAL lcPinUserFlags
LOCAL lnPinUserAcceptPlainTextPin
LOCAL lnPinUserGenerateSessionPin
LOCAL lcPinAdminType
LOCAL lcPinAdminPurpose
LOCAL lcPinAdminCachePolicy
LOCAL lcPinAdminPolicyInfo
LOCAL lcPinAdminFlags
LOCAL lcPinRole3Type
LOCAL lcPinRole3Purpose
LOCAL lcPinRole3CachePolicy
LOCAL lcPinRole3PolicyInfo
LOCAL lcPinRole3Flags
LOCAL lnPinRole3AcceptPlainTextPin
LOCAL lnPinRole3GenerateSessionPin
LOCAL lcPinRole4Type
LOCAL lcPinRole4Purpose
LOCAL lcPinRole4CachePolicy
LOCAL lcPinRole4PolicyInfo
LOCAL lcPinRole4Flags
LOCAL lnPinRole4AcceptPlainTextPin
LOCAL lnPinRole4GenerateSessionPin
LOCAL i
LOCAL lnCount_i
lnSuccess = 0
* This example requires the Chilkat API to have been previously unlocked.
* See Global Unlock Sample for sample code.
loScmd = CreateObject('Chilkat.ScMinidriver')
* Reader names (smart card readers or USB tokens) can be discovered
* via PCSC List Readers or PCSC Find Smart Cards
lcReaderName = "Alcor Micro USB Smart Card Reader 0"
lnSuccess = loScmd.AcquireContext(lcReaderName)
IF (lnSuccess = 0) THEN
? loScmd.LastErrorText
RELEASE loScmd
CANCEL
ENDIF
loJson = CreateObject('Chilkat.JsonObject')
loJson.EmitCompact = 0
lnSuccess = loScmd.GetCardProperties(loJson)
IF (lnSuccess = 0) THEN
? loScmd.LastErrorText
RELEASE loScmd
RELEASE loJson
CANCEL
ENDIF
? loJson.Emit()
* Here is sample output:
* See below for sample code to parse the JSON.
*
* NOTE: Not all smart cards support all properties.
* The GetCardProperties method will return information for all properties supported by the card.
* {
* "bytesAvailable": 74752,
* "containersAvailable": 18,
* "maxKeyContainers": 20,
* "capabilities": {
* "fCertificateCompression": false,
* "fKeyGen": true
* },
* "keySizes": {
* "minimumBitlen": 2048,
* "defaultBitlen": 2048,
* "maximumBitlen": 4096,
* "incrementalBitlen": 1024
* },
* "readOnly": false,
* "cacheMode": "global",
* "supportsWinX509Enrollment": true,
* "guid": "1201803d-03e6-772a-3d80-0112e6032a77",
* "serial": "e6032a773d800112e6032a77",
* "pins": [
* "user",
* "admin",
* "role3",
* "role4"
* ],
* "pin": {
* "user": {
* "type": "regular",
* "purpose": "primaryCard",
* "changePermission": [
* "user"
* ],
* "unblockPermission": [
* "admin"
* ],
* "cachePolicy": "normal",
* "policyInfo": "00000000",
* "flags": "00000000",
* "acceptPlainTextPin": true,
* "generateSessionPin": false
* },
* "admin": {
* "type": "challenge/response",
* "purpose": "administrator",
* "changePermission": [
* "admin"
* ],
* "cachePolicy": "normal",
* "policyInfo": "00000000",
* "flags": "00000000"
* },
* "role3": {
* "type": "regular",
* "purpose": "digitalSignature",
* "changePermission": [
* "role3"
* ],
* "unblockPermission": [
* "role4"
* ],
* "cachePolicy": "alwaysPrompt",
* "policyInfo": "00000000",
* "flags": "00000000",
* "acceptPlainTextPin": true,
* "generateSessionPin": false
* },
* "role4": {
* "type": "regular",
* "purpose": "unblockOnly",
* "changePermission": [
* "role4"
* ],
* "cachePolicy": "normal",
* "policyInfo": "00000000",
* "flags": "00000000",
* "acceptPlainTextPin": true,
* "generateSessionPin": false
* }
* },
* "importSupport": [
* "plainText",
* "rsaKeyest",
* "eccKeyest",
* "symmetric"
* ],
* "algorithms": [
* "AES"
* ],
* "paddingSchemes": [
* "block",
* "pkcs1",
* "pss",
* "oaep"
* ],
* "chainingModes": [
* "ChainingModeCBC"
* ]
* }
* Use this online tool to generate parsing code from sample JSON:
* Generate Parsing Code from JSON
lnBytesAvailable = loJson.IntOf("bytesAvailable")
lnContainersAvailable = loJson.IntOf("containersAvailable")
lnMaxKeyContainers = loJson.IntOf("maxKeyContainers")
lnCapabilitiesFCertificateCompression = loJson.BoolOf("capabilities.fCertificateCompression")
lnCapabilitiesFKeyGen = loJson.BoolOf("capabilities.fKeyGen")
lnKeySizesMinimumBitlen = loJson.IntOf("keySizes.minimumBitlen")
lnKeySizesDefaultBitlen = loJson.IntOf("keySizes.defaultBitlen")
lnKeySizesMaximumBitlen = loJson.IntOf("keySizes.maximumBitlen")
lnKeySizesIncrementalBitlen = loJson.IntOf("keySizes.incrementalBitlen")
lnReadOnly = loJson.BoolOf("readOnly")
lcCacheMode = loJson.StringOf("cacheMode")
lnSupportsWinX509Enrollment = loJson.BoolOf("supportsWinX509Enrollment")
lcGuid = loJson.StringOf("guid")
lcSerial = loJson.StringOf("serial")
lcPinUserType = loJson.StringOf("pin.user.type")
lcPinUserPurpose = loJson.StringOf("pin.user.purpose")
lcPinUserCachePolicy = loJson.StringOf("pin.user.cachePolicy")
lcPinUserPolicyInfo = loJson.StringOf("pin.user.policyInfo")
lcPinUserFlags = loJson.StringOf("pin.user.flags")
lnPinUserAcceptPlainTextPin = loJson.BoolOf("pin.user.acceptPlainTextPin")
lnPinUserGenerateSessionPin = loJson.BoolOf("pin.user.generateSessionPin")
lcPinAdminType = loJson.StringOf("pin.admin.type")
lcPinAdminPurpose = loJson.StringOf("pin.admin.purpose")
lcPinAdminCachePolicy = loJson.StringOf("pin.admin.cachePolicy")
lcPinAdminPolicyInfo = loJson.StringOf("pin.admin.policyInfo")
lcPinAdminFlags = loJson.StringOf("pin.admin.flags")
lcPinRole3Type = loJson.StringOf("pin.role3.type")
lcPinRole3Purpose = loJson.StringOf("pin.role3.purpose")
lcPinRole3CachePolicy = loJson.StringOf("pin.role3.cachePolicy")
lcPinRole3PolicyInfo = loJson.StringOf("pin.role3.policyInfo")
lcPinRole3Flags = loJson.StringOf("pin.role3.flags")
lnPinRole3AcceptPlainTextPin = loJson.BoolOf("pin.role3.acceptPlainTextPin")
lnPinRole3GenerateSessionPin = loJson.BoolOf("pin.role3.generateSessionPin")
lcPinRole4Type = loJson.StringOf("pin.role4.type")
lcPinRole4Purpose = loJson.StringOf("pin.role4.purpose")
lcPinRole4CachePolicy = loJson.StringOf("pin.role4.cachePolicy")
lcPinRole4PolicyInfo = loJson.StringOf("pin.role4.policyInfo")
lcPinRole4Flags = loJson.StringOf("pin.role4.flags")
lnPinRole4AcceptPlainTextPin = loJson.BoolOf("pin.role4.acceptPlainTextPin")
lnPinRole4GenerateSessionPin = loJson.BoolOf("pin.role4.generateSessionPin")
i = 0
lnCount_i = loJson.SizeOfArray("pins")
DO WHILE i < lnCount_i
loJson.I = i
lcStrVal = loJson.StringOf("pins[i]")
i = i + 1
ENDDO
i = 0
lnCount_i = loJson.SizeOfArray("pin.user.changePermission")
DO WHILE i < lnCount_i
loJson.I = i
lcStrVal = loJson.StringOf("pin.user.changePermission[i]")
i = i + 1
ENDDO
i = 0
lnCount_i = loJson.SizeOfArray("pin.user.unblockPermission")
DO WHILE i < lnCount_i
loJson.I = i
lcStrVal = loJson.StringOf("pin.user.unblockPermission[i]")
i = i + 1
ENDDO
i = 0
lnCount_i = loJson.SizeOfArray("pin.admin.changePermission")
DO WHILE i < lnCount_i
loJson.I = i
lcStrVal = loJson.StringOf("pin.admin.changePermission[i]")
i = i + 1
ENDDO
i = 0
lnCount_i = loJson.SizeOfArray("pin.role3.changePermission")
DO WHILE i < lnCount_i
loJson.I = i
lcStrVal = loJson.StringOf("pin.role3.changePermission[i]")
i = i + 1
ENDDO
i = 0
lnCount_i = loJson.SizeOfArray("pin.role3.unblockPermission")
DO WHILE i < lnCount_i
loJson.I = i
lcStrVal = loJson.StringOf("pin.role3.unblockPermission[i]")
i = i + 1
ENDDO
i = 0
lnCount_i = loJson.SizeOfArray("pin.role4.changePermission")
DO WHILE i < lnCount_i
loJson.I = i
lcStrVal = loJson.StringOf("pin.role4.changePermission[i]")
i = i + 1
ENDDO
i = 0
lnCount_i = loJson.SizeOfArray("importSupport")
DO WHILE i < lnCount_i
loJson.I = i
lcStrVal = loJson.StringOf("importSupport[i]")
i = i + 1
ENDDO
i = 0
lnCount_i = loJson.SizeOfArray("algorithms")
DO WHILE i < lnCount_i
loJson.I = i
lcStrVal = loJson.StringOf("algorithms[i]")
i = i + 1
ENDDO
i = 0
lnCount_i = loJson.SizeOfArray("paddingSchemes")
DO WHILE i < lnCount_i
loJson.I = i
lcStrVal = loJson.StringOf("paddingSchemes[i]")
i = i + 1
ENDDO
i = 0
lnCount_i = loJson.SizeOfArray("chainingModes")
DO WHILE i < lnCount_i
loJson.I = i
lcStrVal = loJson.StringOf("chainingModes[i]")
i = i + 1
ENDDO
* Delete the context when finished with the card.
lnSuccess = loScmd.DeleteContext()
IF (lnSuccess = 0) THEN
? loScmd.LastErrorText
ENDIF
RELEASE loScmd
RELEASE loJson