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Updated on 2026-08-14

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Tangem 2018-09-28 10:23:03 +03:00
parent 8f77a7ab99
commit cd6da4efe7
8 changed files with 56 additions and 46 deletions
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1
app/src/main/java/com/tangem/domain/cardReader/CardCrypto.java
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@ -38,6 +38,7 @@ import javax.crypto.spec.SecretKeySpec;
public class CardCrypto {
public static PublicKey LoadPublicKey(byte[] publicKeyArray) throws Exception {
if( publicKeyArray==null ) throw new Exception("Public key not specified!");
ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec("secp256k1");
KeyFactory factory = KeyFactory.getInstance("EC", "SC");

8
app/src/main/java/com/tangem/domain/cardReader/CardProtocol.java
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@ -498,19 +498,19 @@ public class CardProtocol {
try {
if (mCard.getFirmwareVersion().compareTo("1.05") < 0) {
mCard.setIssuer(Issuer.FindIssuer(tlvCardData.getTLV(TLV.Tag.TAG_Issuer_ID).getAsString(), readResult.getTLV(TLV.Tag.TAG_Issuer_Transaction_PublicKey).Value));
mCard.setIssuer(tlvCardData.getTLV(TLV.Tag.TAG_Issuer_ID).getAsString(), readResult.getTLV(TLV.Tag.TAG_Issuer_Transaction_PublicKey).Value);
} else {
mCard.setIssuer(Issuer.FindIssuer(tlvCardData.getTLV(TLV.Tag.TAG_Issuer_ID).getAsString(), readResult.getTLV(TLV.Tag.TAG_Issuer_Data_PublicKey).Value));
mCard.setIssuer(tlvCardData.getTLV(TLV.Tag.TAG_Issuer_ID).getAsString(), readResult.getTLV(TLV.Tag.TAG_Issuer_Data_PublicKey).Value);
}
} catch (Exception e) {
e.printStackTrace();
Log.e(logTag, "Cannot get issuer, try a version for older cards");
try {
mCard.setIssuer(Issuer.FindIssuer(tlvCardData.getTLV(TLV.Tag.TAG_Issuer_ID).getAsString(), readResult.getTLV(TLV.Tag.TAG_Issuer_Transaction_PublicKey).Value));
mCard.setIssuer(tlvCardData.getTLV(TLV.Tag.TAG_Issuer_ID).getAsString(), readResult.getTLV(TLV.Tag.TAG_Issuer_Transaction_PublicKey).Value);
} catch (Exception ee) {
ee.printStackTrace();
Log.e(logTag, "Cannot get issuer");
mCard.setIssuer(Issuer.Unknown());
mCard.setIssuer(Issuer.Unknown().getID(), null);
}
}