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Updated on 2026-08-14

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Tangem 2019-11-13 10:34:00 +03:00
parent 0d59469085
commit cfe8686ad6
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tangem-core/src/main/java/com/tangem/commands/ReadCardCommand.kt
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package com.tangem.commands
import com.tangem.CardEnvironment
import com.tangem.common.apdu.CommandApdu
import com.tangem.common.apdu.Instruction
import com.tangem.common.apdu.ResponseApdu
import com.tangem.common.extentions.calculateSha256
import com.tangem.common.tlv.Tlv
import com.tangem.common.tlv.TlvMapper
import com.tangem.common.tlv.TlvTag
import com.tangem.data.SettingsMask
import com.tangem.tasks.TaskError
import java.util.*
enum class SigningMethod(val code: Int) {
SignHash(0),
SignRaw(1),
SignHashValidatedByIssuer(2),
SignRawValidatedByIssuer(3),
SignHashValidatedByIssuerAndWriteIssuerData(4),
SignRawValidatedByIssuerAndWriteIssuerData(5),
SignPos(6);
companion object {
fun byCode(code: Int): SigningMethod? = values().find { it.code == code }
}
}
enum class EllipticCurve(val curve: String) {
Secp256k1("secp256k1"),
Ed25519("ed25519");
companion object {
fun byName(curve: String): EllipticCurve? = values().find { it.curve == curve }
}
}
enum class CardStatus(val code: Int) {
NotPersonalized(0),
Empty(1),
Loaded(2),
Purged(3);
companion object {
fun byCode(code: Int): CardStatus? = values().find { it.code == code }
}
}
enum class ProductMask(val code: Byte) {
Note(0x01),
Tag(0x02),
Card(0x04);
companion object {
fun byCode(code: Byte): ProductMask? = values().find { it.code == code }
}
}
class Card(
val cardId: String,
val manufacturerName: String,
val status: CardStatus,
val firmwareVersion: String?,
val cardPublicKey: ByteArray?,
val settingsMask: SettingsMask?,
val issuerPublicKey: ByteArray?,
val curve: EllipticCurve?,
val maxSignatures: Int?,
val signingMethod: SigningMethod?,
val pauseBeforePin2: Int?,
val walletPublicKey: ByteArray?,
val walletRemainingSignatures: Int?,
val walletSignedHashes: Int?,
val health: Int?,
val isActivated: Boolean,
val activationSeed: ByteArray?,
val paymentFlowVersion: ByteArray?,
val userCounter: Int?,
val terminalIsLinked: Boolean,
//Card Data
val batchId: String?,
val manufactureDateTime: Date?,
val issuerName: String?,
val blockchainName: String?,
val manufacturerSignature: ByteArray?,
val productMask: ProductMask?,
val tokenSymbol: String?,
val tokenContractAddress: String?,
val tokenDecimal: Int?
) : CommandResponse
class ReadCardCommand : CommandSerializer<Card>() {
override val instruction = Instruction.Read
override val instructionCode = instruction.code
override fun serialize(cardEnvironment: CardEnvironment): CommandApdu {
val tlvData = mutableListOf(Tlv(TlvTag.Pin, cardEnvironment.pin1.calculateSha256()))
cardEnvironment.terminalKeys?.let {
Tlv(TlvTag.TerminalPublicKey, it.publicKey)
}
return CommandApdu(instructionCode, tlvData)
}
override fun deserialize(cardEnvironment: CardEnvironment, responseApdu: ResponseApdu): Card? {
val tlvData = responseApdu.getTlvData() ?: return null
return try {
val tlvMapper = TlvMapper(tlvData)
Card(
cardId = tlvMapper.map(TlvTag.CardId),
manufacturerName = tlvMapper.map(TlvTag.ManufactureId),
status = tlvMapper.map(TlvTag.Status),
firmwareVersion = tlvMapper.mapOptional(TlvTag.Firmware),
cardPublicKey = tlvMapper.mapOptional(TlvTag.CardPublicKey),
settingsMask = tlvMapper.mapOptional(TlvTag.SettingsMask),
issuerPublicKey = tlvMapper.mapOptional(TlvTag.IssuerDataPublicKey),
curve = tlvMapper.mapOptional(TlvTag.CurveId),
maxSignatures = tlvMapper.mapOptional(TlvTag.MaxSignatures),
signingMethod = tlvMapper.mapOptional(TlvTag.SigningMethod),
pauseBeforePin2 = tlvMapper.mapOptional(TlvTag.PauseBeforePin2),
walletPublicKey = tlvMapper.mapOptional(TlvTag.WalletPublicKey),
walletRemainingSignatures = tlvMapper.mapOptional(TlvTag.RemainingSignatures),
walletSignedHashes = tlvMapper.mapOptional(TlvTag.SignedHashes),
health = tlvMapper.mapOptional(TlvTag.Health),
isActivated = tlvMapper.map(TlvTag.IsActivated),
activationSeed = tlvMapper.mapOptional(TlvTag.ActivationSeed),
paymentFlowVersion = tlvMapper.mapOptional(TlvTag.PaymentFlowVersion),
userCounter = tlvMapper.mapOptional(TlvTag.UserCounter),
terminalIsLinked = tlvMapper.map(TlvTag.TerminalIsLinked),
batchId = tlvMapper.mapOptional(TlvTag.Batch),
manufactureDateTime = tlvMapper.mapOptional(TlvTag.ManufactureDateTime),
issuerName = tlvMapper.mapOptional(TlvTag.IssuerId),
blockchainName = tlvMapper.mapOptional(TlvTag.BlockchainId),
manufacturerSignature = tlvMapper.mapOptional(TlvTag.ManufacturerSignature),
productMask = tlvMapper.mapOptional(TlvTag.ProductMask),
tokenSymbol = tlvMapper.mapOptional(TlvTag.TokenSymbol),
tokenContractAddress = tlvMapper.mapOptional(TlvTag.TokenContractAddress),
tokenDecimal = tlvMapper.mapOptional(TlvTag.TokenDecimal)
)
} catch (exception: Exception) {
throw TaskError.SerializeCommandError()
}
}
}