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Updated on 2026-08-14

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This commit is contained in:
Tangem 2019-04-04 12:31:19 +03:00
parent 156ab295eb
commit ddf613590c
14 changed files with 165 additions and 167 deletions
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23
card-common/src/main/java/com/tangem/card_common/data/Issuer.java
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@ -1,6 +1,7 @@
package com.tangem.card_common.data;
import com.tangem.card_common.reader.CardCrypto;
import com.tangem.card_common.util.PBKDF2;
import com.tangem.card_common.util.Util;
import java.util.ArrayList;
@ -15,11 +16,25 @@ public class Issuer {
static class KeyPair {
String privateKey;
String privateKeyEncrypted;
String publicKey;
byte[] getPrivateKey() throws Exception {
if (privateKey != null) {
return Util.hexToBytes(privateKey);
} else if (privateKeyEncrypted != null) {
byte[] A = PBKDF2.deriveKey(Util.calculateSHA256(Tangem().getPrivateTransactionKey()),Util.calculateSHA256(Tangem().getPrivateDataKey()), 100);
//String B = Util.bytesToHex(CardCrypto.Encrypt(A, Util.hexToBytes(""), true));
try {
return CardCrypto.Decrypt(A, Util.hexToBytes(privateKeyEncrypted), true);
}
catch (Exception e)
{
e.printStackTrace();
throw new Exception("No private key!");
}
} else {
throw new Exception("No private key!");
}
@ -57,8 +72,7 @@ public class Issuer {
instances.add(unknown);
}
public static void fillIssuers(List<Issuer> issuers)
{
public static void fillIssuers(List<Issuer> issuers) {
instances.addAll(issuers);
}
@ -119,4 +133,9 @@ public class Issuer {
public static Issuer Unknown() {
return instances.get(0);
}
public static Issuer Tangem() {
return instances.get(1);
}
}