status-im/status-keycard
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clear also some ram buffers

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Michele Balistreri 2023-06-06 15:26:18 +02:00
parent e79d84b9b4
commit 44adec536e
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1 changed files with 4 additions and 0 deletions
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src/main/java/im/status/keycard/KeycardApplet.java
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@ -1022,6 +1022,7 @@ public class KeycardApplet extends Applet {
private void clearKeys() {
keyPathLen = 0;
pinlessPathLen = 0;
tmpPathLen = 0;
isExtended = false;
masterPrivate.clearKey();
masterPublic.clearKey();
@ -1030,6 +1031,8 @@ public class KeycardApplet extends Applet {
Util.arrayFillNonAtomic(altChainCode, (short) 0, (short) altChainCode.length, (byte) 0);
Util.arrayFillNonAtomic(keyPath, (short) 0, (short) keyPath.length, (byte) 0);
Util.arrayFillNonAtomic(pinlessPath, (short) 0, (short) pinlessPath.length, (byte) 0);
Util.arrayFillNonAtomic(tmpPath, (short) 0, (short) tmpPath.length, (byte) 0);
Util.arrayFillNonAtomic(derivationOutput, (short) 0, (short) derivationOutput.length, (byte) 0);
Util.arrayFillNonAtomic(keyUID, (short) 0, (short) keyUID.length, (byte) 0);
}
@ -1059,6 +1062,7 @@ public class KeycardApplet extends Applet {
clearKeys();
pin = null;
mainPIN = null;
altPIN = null;
puk = null;
secureChannel = null;