add QR code generation in the pm3 client. It's a text based version using unicode to print the generated qr code. Might not work on all things but its a MIT license and a simple to use project

CHANGELOG.md

@@ -3,6 +3,7 @@ All notable changes to this project will be documented in this file.
 This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
 
 ## [unreleased][unreleased]
+- Added basic QR code generation support. Thanks @mistial-dev for the idea! (@iceman1001)
 - Added identification of NDEF/Open print tag record (@iceman1001)
 - Added support for Bruce dump files [.rfid] (@iceman1001)
 - Added script `read_t-union.py` (@klks)
@@ -20,6 +21,9 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 - Added `Verkada 40-bit` format (@aaronmaxlevy)
 
 ## [Phrack.4.20728][2025-09-11]
+- Added `unofficial desfire bible` document (@mistial-dev)
+- Fixed desfire value file operations (@mistial-dev)
+- Added script `pm3_online_tests.sh` (@mistial-dev)
 - Changed `lf t55xx restore` - now skips writing block0 if its all zeros (@iceman1001)
 - Added `HID Simplex Grinnell 36-bit` - Improved Simplex decoder (@datafx, @henrygab)
 - Changed `lf search` - also test for chipset even if there was just signal noice (@iceman1001)

client/CMakeLists.txt

@@ -323,6 +323,7 @@ set (TARGET_SOURCES
         ${PM3_ROOT}/client/src/uart/uart_win32.c
         ${PM3_ROOT}/client/src/ui/overlays.ui
         ${PM3_ROOT}/client/src/ui/image.ui
+        ${PM3_ROOT}/client/src/qrcode/qrcode.c
         ${PM3_ROOT}/client/src/aidsearch.c
         ${PM3_ROOT}/client/src/atrs.c
         ${PM3_ROOT}/client/src/cmdanalyse.c

client/Makefile

@@ -780,6 +780,7 @@ SRCS =  mifare/aiddesfire.c \
 		scripting.c \
 		ui.c \
 		util.c \
+		qrcode/qrcode.c \
 		version_pm3.c \
 		wiegand_formats.c \
 		wiegand_formatutils.c

client/src/qrcode/qrcode.h

@@ -0,0 +1,89 @@
+/**
+ * The MIT License (MIT)
+ *
+ * This library is written and maintained by Richard Moore.
+ * Major parts were derived from Project Nayuki's library.
+ *
+ * Copyright (c) 2017 Richard Moore     (https://github.com/ricmoo/QRCode)
+ * Copyright (c) 2017 Project Nayuki    (https://www.nayuki.io/page/qr-code-generator-library)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ *  Special thanks to Nayuki (https://www.nayuki.io/) from which this library was
+ *  heavily inspired and compared against.
+ *
+ *  See: https://github.com/nayuki/QR-Code-generator/tree/master/cpp
+ */
+
+
+#ifndef __QRCODE_H_
+#define __QRCODE_H_
+
+#include <stdint.h>
+#include <stdbool.h>
+
+// QR Code Format Encoding
+#define MODE_NUMERIC        0
+#define MODE_ALPHANUMERIC   1
+#define MODE_BYTE           2
+
+// Error Correction Code Levels
+#define ECC_LOW            0
+#define ECC_MEDIUM         1
+#define ECC_QUARTILE       2
+#define ECC_HIGH           3
+
+// If set to non-zero, this library can ONLY produce QR codes at that version
+// This saves a lot of dynamic memory, as the codeword tables are skipped
+#ifndef LOCK_VERSION
+#define LOCK_VERSION       0
+#endif
+
+typedef struct QRCode {
+    uint8_t version;
+    uint8_t size;
+    uint8_t ecc;
+    uint8_t mode;
+    uint8_t mask;
+    uint8_t *modules;
+} QRCode;
+
+
+#ifdef __cplusplus
+extern "C"{
+#endif  /* __cplusplus */
+
+
+uint16_t qrcode_getBufferSize(uint8_t version);
+
+int8_t qrcode_initText(QRCode *qrcode, uint8_t *modules, uint8_t version, uint8_t ecc, const char *data);
+int8_t qrcode_initBytes(QRCode *qrcode, uint8_t *modules, uint8_t version, uint8_t ecc, uint8_t *data, uint16_t length);
+
+bool qrcode_getModule(QRCode *qrcode, uint8_t x, uint8_t y);
+void qrcode_print_matrix_utf8(QRCode *q);
+void qrcode_print_matrix_utf8_2x2(QRCode *q);
+
+
+#ifdef __cplusplus
+}
+#endif  /* __cplusplus */
+
+#endif  /* __QRCODE_H_ */