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输入80E3，可执行算法正确性检验，验证通过，对len=38Bytes明文加密结果符合预期、解密结果符合输入;

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输入80E2，可写入密钥到flash，若算法类型、key id, key版本一致，就写入，已满就报错，无记录就写入新记录;
输入80CA，可执行伪位置加密，原封不动将输入的data返回回来。
This commit is contained in:
zcy
2025-09-08 23:46:46 +08:00
parent b41fff9d09
commit 5456e990e6
6 changed files with 231 additions and 127 deletions
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79
Project/Src/com/cscn/XwSecurity.java
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@@ -1,6 +1,3 @@
/**
*
*/
package com.cscn;
import javacard.framework.APDU;
@@ -16,20 +13,25 @@ import org.globalplatform.SecureChannel;
*/
public class XwSecurity extends Applet {
public static final byte INS_PROCESS_DATA = (byte)0xCA;
public static final byte INS_PROCESS_DATA = (byte)0xE3;
public static final byte INS_STORE_DATA = (byte)0xE2;
public static final byte INS_LOCATION_ENCRYPT = (byte)0xCA;
public static final byte INS_INITIAL_UPDATE = (byte)0x50;
public static final byte INS_STORE_KEY = (byte)0xE2;
// public static final byte INS_INITIAL_UPDATE = (byte)0x50;
//
// public static final byte INS_EXTERNAL_AUTH = (byte)0x82;
public static final byte INS_EXTERNAL_AUTH = (byte)0x82;
private Method method;
byte[] key_store_byte;
public XwSecurity(byte[] bArray, short bOffset, byte bLength) {
// TODO Auto-generated constructor stub
method = new Method();
key_store_byte = new byte[80];
register(bArray, (short)(bOffset + 1), bArray[bOffset]);
}
@@ -50,33 +52,44 @@ public class XwSecurity extends Applet {
if(method == null) {
return;
}
byte[] buf = apdu.getBuffer();
short off = ISO7816.OFFSET_CDATA;
short len = apdu.setIncomingAndReceive();
switch (buf[ISO7816.OFFSET_INS])
{
case INS_INITIAL_UPDATE:
SecureChannel sc = GPSystem.getSecureChannel();
sc.processSecurity(apdu);
break;
case INS_EXTERNAL_AUTH:
sc = GPSystem.getSecureChannel();
sc.processSecurity(apdu);
break;
case INS_PROCESS_DATA:
method.processData(apdu);
break;
case INS_STORE_DATA:
method.updateKey(apdu);
break;
default:
// good practice: If you don't know the INStruction, say so:
ISOException.throwIt(ISO7816.SW_INS_NOT_SUPPORTED);
// case INS_INITIAL_UPDATE:
// SecureChannel sc = GPSystem.getSecureChannel();
// sc.processSecurity(apdu);
// break;
//
// case INS_EXTERNAL_AUTH:
// sc = GPSystem.getSecureChannel();
// sc.processSecurity(apdu);
// break;
case INS_PROCESS_DATA:
method.processData(apdu);
break;
case INS_LOCATION_ENCRYPT:
len = method.processDataFake(buf, off, len, key_store_byte);
apdu.setOutgoingAndSend(off, len);
break;
case INS_STORE_KEY:
len = method.updateKey(buf, off, len, key_store_byte);
apdu.setOutgoingAndSend(off, len);
break;
default:
// good practice: If you don't know the INStruction, say so:
ISOException.throwIt(ISO7816.SW_INS_NOT_SUPPORTED);
}
}
}