diff --git a/src/se050_scp03_keys.c b/src/se050_scp03_keys.c
index 03d436d..237b434 100644
--- a/src/se050_scp03_keys.c
+++ b/src/se050_scp03_keys.c
@@ -22,65 +22,75 @@
 /* ============================================================================
  * SE050C0 Platform SCP03 Keys
  * 
- * TODO: Replace with actual keys from AN12436 or secure provisioning
- * Reference: NXP AN12436 "SE050 configurations" - Section on PlatformSCP03
+ * Note: Official NXP source (ex_sss_tp_scp03_keys.h) does not list SE050C0.
+ * Using SE050_DEVKIT (OEF ID: 0xA1F4) values as reference.
+ * For production: Use actual keys from your chip documentation or secure provisioning.
+ * 
+ * Source: NXP plug-and-trust repository
+ * File: sss/ex/inc/ex_sss_tp_scp03_keys.h
+ * Reference: SSS_PFSCP_ENABLE_SE050_DEVKIT (OEF ID: 0xA1F4)
+ * See: https://github.com/NXP/plug-and-trust/blob/master/sss/ex/inc/ex_sss_tp_scp03_keys.h
  * ============================================================================ */
 
 const uint8_t SE050C0_ENC_KEY[16] = {
-    0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
-    0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF
+    0x35, 0xC2, 0x56, 0x45, 0x89, 0x58, 0xA3, 0x4F,
+    0x61, 0x36, 0x15, 0x5F, 0x82, 0x09, 0xD6, 0xCD
 };
 
 const uint8_t SE050C0_MAC_KEY[16] = {
-    0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10,
-    0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10
+    0xAF, 0x17, 0x7D, 0x5D, 0xBD, 0xF7, 0xC0, 0xD5,
+    0xC1, 0x0A, 0x05, 0xB9, 0xF1, 0x60, 0x7F, 0x78
 };
 
 const uint8_t SE050C0_DEK_KEY[16] = {
-    0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
-    0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF
+    0xA1, 0xBC, 0x84, 0x38, 0xBF, 0x77, 0x93, 0x5B,
+    0x36, 0x1A, 0x44, 0x25, 0xFE, 0x79, 0xFA, 0x29
 };
 
 /* ============================================================================
  * SE050C1 Platform SCP03 Keys
  * 
- * TODO: Replace with actual keys from AN12436 or secure provisioning
- * Reference: NXP AN12436 "SE050 configurations" - Section on PlatformSCP03
+ * Source: NXP plug-and-trust repository
+ * File: sss/ex/inc/ex_sss_tp_scp03_keys.h
+ * Reference: SSS_PFSCP_ENABLE_SE050C1 (OEF ID: 0xA200)
+ * See: https://github.com/NXP/plug-and-trust/blob/master/sss/ex/inc/ex_sss_tp_scp03_keys.h
  * ============================================================================ */
 
 const uint8_t SE050C1_ENC_KEY[16] = {
-    0xA1, 0xB2, 0xC3, 0xD4, 0xE5, 0xF6, 0x07, 0x18,
-    0x29, 0x3A, 0x4B, 0x5C, 0x6D, 0x7E, 0x8F, 0x90
+    0x85, 0x2B, 0x59, 0x62, 0xE9, 0xCC, 0xE5, 0xD0,
+    0xBE, 0x74, 0x6B, 0x83, 0x3B, 0xCC, 0x62, 0x87
 };
 
 const uint8_t SE050C1_MAC_KEY[16] = {
-    0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88,
-    0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF, 0x00
+    0xDB, 0x0A, 0xA3, 0x19, 0xA4, 0x08, 0x69, 0x6C,
+    0x8E, 0x10, 0x7A, 0xB4, 0xE3, 0xC2, 0x6B, 0x47
 };
 
 const uint8_t SE050C1_DEK_KEY[16] = {
-    0x98, 0x76, 0x54, 0x32, 0x10, 0xFE, 0xDC, 0xBA,
-    0x98, 0x76, 0x54, 0x32, 0x10, 0xFE, 0xDC, 0xBA
+    0x4C, 0x2F, 0x75, 0xC6, 0xA2, 0x78, 0xA4, 0xAE,
+    0xE5, 0xC9, 0xAF, 0x7C, 0x50, 0xEE, 0xA8, 0x0C
 };
 
 /* ============================================================================
  * SE050E2 Platform SCP03 Keys
  * 
- * TODO: Replace with actual keys from AN12436 or secure provisioning
- * Reference: NXP AN12436 "SE050 configurations" - Section on PlatformSCP03
+ * Source: NXP plug-and-trust repository
+ * File: sss/ex/inc/ex_sss_tp_scp03_keys.h
+ * Reference: SSS_PFSCP_ENABLE_SE050E_0001A921 (OEF ID: 0xA921)
+ * See: https://github.com/NXP/plug-and-trust/blob/master/sss/ex/inc/ex_sss_tp_scp03_keys.h
  * ============================================================================ */
 
 const uint8_t SE050E2_ENC_KEY[16] = {
-    0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC,
-    0xDD, 0xEE, 0xFF, 0x00, 0x11, 0x22, 0x33, 0x44
+    0xD2, 0xDB, 0x63, 0xE7, 0xA0, 0xA5, 0xAE, 0xD7,
+    0x2A, 0x64, 0x60, 0xC4, 0xDF, 0xDC, 0xAF, 0x64
 };
 
 const uint8_t SE050E2_MAC_KEY[16] = {
-    0x44, 0x33, 0x22, 0x11, 0x00, 0xFF, 0xEE, 0xDD,
-    0xCC, 0xBB, 0xAA, 0x99, 0x88, 0x77, 0x66, 0x55
+    0x73, 0x8D, 0x5B, 0x79, 0x8E, 0xD2, 0x41, 0xB0,
+    0xB2, 0x47, 0x68, 0x51, 0x4B, 0xFB, 0xA9, 0x5B
 };
 
 const uint8_t SE050E2_DEK_KEY[16] = {
-    0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE,
-    0xFF, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66
+    0x67, 0x02, 0xDA, 0xC3, 0x09, 0x42, 0xB2, 0xC8,
+    0x5E, 0x7F, 0x47, 0xB4, 0x2C, 0xED, 0x4E, 0x7F
 };