fixup

Author: yoziru

tests/test_ad_buffer_construction.cpp

@@ -104,7 +104,11 @@ TEST_F(ADBufferConstructionTest, ResponseMetadataFormat) {
   pb_byte_t ad_buffer[256];
   size_t ad_length;
   uint32_t expires_at = 2655;
-  uint8_t request_hash[32] = {0x11, 0x22, 0x33, 0x44};  // Sample hash
+  // BLE uses AES-GCM encryption with 16-byte tags
+  // Request hash: 1 auth method byte + 16-byte AES-GCM tag = 17 bytes
+  uint8_t request_hash[17] = {Signatures_SignatureType_SIGNATURE_TYPE_AES_GCM_PERSONALIZED,
+                              0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+                              0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F};
 
   // Test response format
   int result = vcsec_peer_->construct_ad_buffer(Signatures_SignatureType_SIGNATURE_TYPE_AES_GCM_RESPONSE,
@@ -235,7 +239,9 @@ TEST_F(ADBufferConstructionTest, ResponseAlwaysIncludesFlags) {
   pb_byte_t ad_buffer[256];
   size_t ad_length;
   uint32_t expires_at = 2655;
-  uint8_t request_hash[32] = {0};
+  // BLE uses AES-GCM encryption with 16-byte tags
+  // Request hash: 1 auth method byte + 16-byte AES-GCM tag = 17 bytes
+  uint8_t request_hash[17] = {0};
 
   // Test response format - flags should always be included even if 0
   int result = vcsec_peer_->construct_ad_buffer(Signatures_SignatureType_SIGNATURE_TYPE_AES_GCM_RESPONSE,