TAI64N ハードウェア実装追加

- SE050 モノトニックカウンタ使用 - リプレイ防止用タイムスタンプ - テスト実装済み
2026-03-27 05:26:46 +09:00
parent f23542f06c
commit 344f86b07f
4 changed files with 317 additions and 1 deletions
@@ -0,0 +1,103 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include "se050_tai64n_hw.h"
+
+/* Mock SE050 API functions */
+int Se05x_API_ReadCounter(void *session, uint32_t obj_id, uint32_t *counter)
+{
+    (void)obj_id;
+    if (session) {
+        mock_session_t *s = (mock_session_t*)session;
+        *counter = s->counter;
+    } else {
+        *counter = 0;
+    }
+    return 0;
+}
+
+int Se05x_API_IncrementCounter(void *session, uint32_t obj_id)
+{
+    (void)session;
+    (void)obj_id;
+    return 0;
+}
+
+static void print_hex(const char *label, const uint8_t *buf, size_t len)
+{
+    printf("%s: ", label);
+    for (size_t i = 0; i < len; i++) printf("%02x", buf[i]);
+    printf("\n");
+}
+
+int main(void)
+{
+    uint8_t tai64n[12];
+    uint32_t counter;
+    uint8_t current[12];
+    int passed = 0;
+
+    printf("SE050 Hardware TAI64N Test Suite\n");
+    printf("==================================\n\n");
+
+    printf("Test 1: Read Counter\n");
+    mock_session_t session = { .counter = 1234567890UL };
+    if (se050_tai64n_hw_read_counter(&session, &counter) == 0) {
+        printf("Counter: %u (0x%08x)\n", counter, counter);
+        printf("[PASS]\n\n"); passed++;
+    } else {
+        printf("[FAIL]\n\n");
+    }
+
+    printf("Test 2: TAI64N Now\n");
+    if (se050_tai64n_hw_now(&session, tai64n) == 0) {
+        print_hex("TAI64N", tai64n, 12);
+        printf("[PASS]\n\n"); passed++;
+    } else {
+        printf("[FAIL]\n\n");
+    }
+
+    printf("Test 3: Increment Counter\n");
+    uint32_t before = session.counter;
+    if (se050_tai64n_hw_increment(&session) == 0) {
+        printf("Before: %u, After: %u\n", before, session.counter);
+        printf("[PASS]\n\n"); passed++;
+    } else {
+        printf("[FAIL]\n\n");
+    }
+
+    printf("Test 4: Window Check\n");
+    se050_tai64n_hw_now(&session, tai64n);
+    se050_tai64n_hw_now(&session, current);
+    int result = se050_tai64n_hw_check_window(tai64n, current, 60);
+    printf("Window check (60s): %s\n", 
+           result == 1 ? "PASS (within window)" : "FAIL");
+    if (result == 1) {
+        printf("[PASS]\n\n"); passed++;
+    } else {
+        printf("[FAIL]\n\n");
+    }
+
+    printf("Test 5: Replay Detection\n");
+    uint8_t old_timestamp[12];
+    session.counter = 1000000000UL;  /* Reset to old value (1 second) */
+    se050_tai64n_hw_now(&session, old_timestamp);
+    
+    session.counter = 1060000000UL;  /* 60 seconds later */
+    se050_tai64n_hw_now(&session, current);
+    
+    result = se050_tai64n_hw_check_window(old_timestamp, current, 30);
+    printf("Old timestamp (60s old), window=30s: %s\n",
+           result == 0 ? "REJECTED (expired)" : "ACCEPTED");
+    if (result == 0) {
+        printf("[PASS] Replay correctly detected\n\n"); passed++;
+    } else {
+        printf("[FAIL]\n\n");
+    }
+
+    printf("==================================\n");
+    printf("Passed: %d/5\n", passed);
+    printf("==================================\n");
+
+    return (passed == 5) ? 0 : 1;
+}