鍵管理の統一と重複削除

- 共通鍵ファイル追加：include/se050_scp03_keys.h, src/se050_scp03_keys.c
- test_scp03_hardware.c: 重複鍵定義削除し共通ファイルを参照
- test_scp03_se050.c: 重複鍵定義削除し共通ファイルを参照
- 鍵値はプレースホルダー (TODO: PDF から正しい値に置き換え)

構造:
  se050_scp03_keys.c
    ├─ SE050C0_ENC/MAC/DEK_KEY
    ├─ SE050C1_ENC/MAC/DEK_KEY
    └─ SE050E2_ENC/MAC/DEK_KEY

src/se050_scp03_keys.c

@@ -0,0 +1,81 @@
+/**
+ * @file se050_scp03_keys.c
+ * @brief SE050 Platform SCP03 Keys Implementation
+ * 
+ * Platform SCP03 keys for each SE050 chip type.
+ * 
+ * IMPORTANT: These are placeholder values. Replace with actual keys from:
+ * - NXP documentation
+ * - Secure provisioning process
+ * - Your organization's key management system
+ * 
+ * License: MIT (Clean-room implementation)
+ */
+
+#include "se050_scp03_keys.h"
+
+/* ============================================================================
+ * SE050C0 Platform SCP03 Keys
+ * 
+ * TODO: Replace with actual keys from NXP documentation or secure provisioning
+ * Reference: [Add PDF reference here]
+ * ============================================================================ */
+
+const uint8_t SE050C0_ENC_KEY[16] = {
+    0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
+    0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF
+};
+
+const uint8_t SE050C0_MAC_KEY[16] = {
+    0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10,
+    0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10
+};
+
+const uint8_t SE050C0_DEK_KEY[16] = {
+    0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
+    0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF
+};
+
+/* ============================================================================
+ * SE050C1 Platform SCP03 Keys
+ * 
+ * TODO: Replace with actual keys from NXP documentation or secure provisioning
+ * Reference: [Add PDF reference here]
+ * ============================================================================ */
+
+const uint8_t SE050C1_ENC_KEY[16] = {
+    0xA1, 0xB2, 0xC3, 0xD4, 0xE5, 0xF6, 0x07, 0x18,
+    0x29, 0x3A, 0x4B, 0x5C, 0x6D, 0x7E, 0x8F, 0x90
+};
+
+const uint8_t SE050C1_MAC_KEY[16] = {
+    0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88,
+    0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF, 0x00
+};
+
+const uint8_t SE050C1_DEK_KEY[16] = {
+    0x98, 0x76, 0x54, 0x32, 0x10, 0xFE, 0xDC, 0xBA,
+    0x98, 0x76, 0x54, 0x32, 0x10, 0xFE, 0xDC, 0xBA
+};
+
+/* ============================================================================
+ * SE050E2 Platform SCP03 Keys
+ * 
+ * TODO: Replace with actual keys from NXP documentation or secure provisioning
+ * Reference: [Add PDF reference here]
+ * ============================================================================ */
+
+const uint8_t SE050E2_ENC_KEY[16] = {
+    0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC,
+    0xDD, 0xEE, 0xFF, 0x00, 0x11, 0x22, 0x33, 0x44
+};
+
+const uint8_t SE050E2_MAC_KEY[16] = {
+    0x44, 0x33, 0x22, 0x11, 0x00, 0xFF, 0xEE, 0xDD,
+    0xCC, 0xBB, 0xAA, 0x99, 0x88, 0x77, 0x66, 0x55
+};
+
+const uint8_t SE050E2_DEK_KEY[16] = {
+    0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE,
+    0xFF, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66
+};