From 8f7e657a9c146ef6a8b508591d35592fe9b93ba4 Mon Sep 17 00:00:00 2001
From: Manuel Thalmann <m@nuth.ch>
Date: Thu, 12 Oct 2023 19:23:38 +0200
Subject: [PATCH] Add an instruction for querying the author name

---
 hwb1/scripts/MyApplet.script |  2 ++
 hwb1/src/hwb1/MyApplet.java  | 18 +++++++++++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 hwb1/scripts/MyApplet.script

diff --git a/hwb1/scripts/MyApplet.script b/hwb1/scripts/MyApplet.script
new file mode 100644
index 0000000..b94f472
--- /dev/null
+++ b/hwb1/scripts/MyApplet.script
@@ -0,0 +1,2 @@
+// Query Author Name
+0x80 0x00 0x00 0x00 0x00 0x7F;
diff --git a/hwb1/src/hwb1/MyApplet.java b/hwb1/src/hwb1/MyApplet.java
index 4231487..efd3489 100644
--- a/hwb1/src/hwb1/MyApplet.java
+++ b/hwb1/src/hwb1/MyApplet.java
@@ -53,6 +53,22 @@ public class MyApplet extends Applet {
      */
     @Override
     public void process(APDU apdu) {
-        //Insert your code here
+	short responseLength;
+	byte[] buffer = apdu.getBuffer();
+
+	byte instruction = buffer[ISO7816.OFFSET_INS];
+	
+	switch (instruction) {
+	    case 0x00:
+		responseLength = apdu.setOutgoing();
+	
+		if (responseLength > MyAppletStrings.AuthorName.length) {
+		    responseLength = (short)MyAppletStrings.AuthorName.length;
+		}
+		
+		apdu.setOutgoingLength(responseLength);
+		apdu.sendBytesLong(MyAppletStrings.AuthorName, (short)0, responseLength);
+		break;
+	}
     }
 }