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Add an instruction for querying stored data

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This commit is contained in:
Manuel Thalmann 2023-10-13 01:20:36 +02:00
parent a673b7ecd0
commit 39948e42f2
1 changed files with 12 additions and 3 deletions
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15
hwb1/src/hwb1/MyApplet.java
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@ -60,14 +60,23 @@ public class MyApplet extends Applet {
switch (instruction) { switch (instruction) {
case 0x00: case 0x00:
case 0x04:
byte[] response;
length = apdu.setOutgoing(); length = apdu.setOutgoing();
if (length > AuthorName.length) { if (instruction == 0x00) {
length = (short)AuthorName.length; response = AuthorName;
}
else {
response = storage;
}
if (length > response.length) {
length = (short)response.length;
} }
apdu.setOutgoingLength(length); apdu.setOutgoingLength(length);
apdu.sendBytesLong(AuthorName, (short)0, length); apdu.sendBytesLong(response, (short)0, length);
break; break;
case 0x02: case 0x02:
length = apdu.setIncomingAndReceive(); length = apdu.setIncomingAndReceive();