From b4ab7322605ce5050fa8d56024fd02bbe23d488c Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Wed, 15 Oct 2025 13:21:12 +0200
Subject: [PATCH] mfulc_des_brute: add unit tests and make check

---
 Makefile           |  3 +++
 tools/pm3_tests.sh | 19 +++++++++++++++++--
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 3a92341a2..4c9cc8dee 100644
--- a/Makefile
+++ b/Makefile
@@ -124,6 +124,9 @@ mfc_card_reader/check: FORCE
 mfd_aes_brute/check: FORCE
 	$(info [*] CHECK $(patsubst %/check,%,$@))
 	$(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@)
+mfulc_des_brute/check: FORCE
+	$(info [*] CHECK $(patsubst %/check,%,$@))
+	$(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@)
 fpga_compress/check: FORCE
 	$(info [*] CHECK $(patsubst %/check,%,$@))
 	$(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@)
diff --git a/tools/pm3_tests.sh b/tools/pm3_tests.sh
index e7d149848..9d23f4f7a 100755
--- a/tools/pm3_tests.sh
+++ b/tools/pm3_tests.sh
@@ -22,6 +22,7 @@ TESTSTATICNESTED=false
 TESTNONCE2KEY=false
 TESTMFNONCEBRUTE=false
 TESTMFDAESBRUTE=false
+TESTMFULCDESBRUTE=false
 TESTHITAG2CRACK=false
 TESTCRYPTORF=false
 TESTFPGACOMPRESS=false
@@ -37,7 +38,7 @@ while (( "$#" )); do
   case "$1" in
     -h|--help)
       echo """
-Usage: $0 [--long] [--opencl] [--clientbin /path/to/proxmark3] [mfkey|nonce2key|mf_nonce_brute|staticnested|mfd_aes_brute|cryptorf|fpga_compress|bootrom|armsrc|client|recovery|common]
+Usage: $0 [--long] [--opencl] [--clientbin /path/to/proxmark3] [mfkey|nonce2key|mf_nonce_brute|staticnested|mfd_aes_brute|mfulc_des_brute|cryptorf|fpga_compress|bootrom|armsrc|client|recovery|common]
     --long:          Enable slow tests
     --opencl:        Enable tests requiring OpenCL (preferably a Nvidia GPU)
     --clientbin ...: Specify path to proxmark3 binary to test
@@ -92,6 +93,11 @@ Usage: $0 [--long] [--opencl] [--clientbin /path/to/proxmark3] [mfkey|nonce2key|
       TESTMFDAESBRUTE=true
       shift
       ;;
+    mfulc_des_brute)
+      TESTALL=false
+      TESTMFULCDESBRUTE=true
+      shift
+      ;;
     fpga_compress)
       TESTALL=false
       TESTFPGACOMPRESS=true
@@ -350,7 +356,16 @@ while true; do
       if ! CheckExecute      "mfd_aes_brute test 1/2"         "$MFDASEBRUTEBIN 1629394800 bb6aea729414a5b1eff7b16328ce37fd 82f5f498dbc29f7570102397a2e5ef2b6dc14a864f665b3c54d11765af81e95c" "key.................... .*261C07A23F2BC8262F69F10A5BDF3764"; then break; fi
       if ! CheckExecute slow "mfd_aes_brute test 2/2"         "$MFDASEBRUTEBIN 1546300800 3fda933e2953ca5e6cfbbf95d1b51ddf 97fe4b5de24188458d102959b888938c988e96fb98469ce7426f50f108eaa583" "key.................... .*E757178E13516A4F3171BC6EA85E165A"; then break; fi
     fi
-
+    if $TESTALL || $TESTMFULCDESBRUTE; then
+      echo -e "\n${C_BLUE}Testing mfulc_des_brute:${C_NC} ${MFULCDESBRUTEBIN:=./tools/mfulc_des_brute/mfulc_des_brute}"
+      if ! CheckFileExist "mfulc_des_brute exists"        "$MFULCDESBRUTEBIN"; then break; fi
+      # USCUID-UL
+      if ! CheckExecute "mfulc_des_brute test 1/3"        "$MFULCDESBRUTEBIN -c F35C740106ECED87 E9E0DC67B35919FC 00000000000000000000000000000000 2 4" "00000000404452420000000000000000"; then break; fi
+      # ULCG
+      if ! CheckExecute "mfulc_des_brute test 2/3"        "$MFULCDESBRUTEBIN -c 49C1603621CCAA72 8122262EF5FA8DEB 48444C4A4044524200000000544E5846 3 4" "48444C4A40445242204E4042544E5846"; then break; fi
+      # Reader RndB nonce key recovery
+      if ! CheckExecute "mfulc_des_brute test 2/3"        "$MFULCDESBRUTEBIN -r EC9C5CF763244367 2283BFE8DEBE1780922327794D0706EF 48444C4A4044524200000000544E5846 3 4" "48444C4A40445242204E4042544E5846"; then break; fi
+    fi
     if $TESTALL || $TESTCRYPTORF; then
       echo -e "\n${C_BLUE}Testing CryptoRF sma:${C_NC} ${CRYPTRFBRUTEBIN:=./tools/cryptorf/sma} ${CRYPTRF_MULTI_BRUTEBIN:=./tools/cryptorf/sma_multi}"
       if ! CheckFileExist "sma exists"               "$CRYPTRFBRUTEBIN"; then break; fi