添加智能灯固件代码

firmware/esp-idf/wumei-smart-firmware/examples/security/flash_encryption/example_test.py

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+from __future__ import print_function
+import binascii
+from io import BytesIO
+from collections import namedtuple
+import os
+import sys
+
+import ttfw_idf
+try:
+    import espsecure
+except ImportError:
+    idf_path = os.getenv("IDF_PATH")
+    if not idf_path or not os.path.exists(idf_path):
+        raise
+    sys.path.insert(0, os.path.join(idf_path, "components", "esptool_py", "esptool"))
+    import espsecure
+
+
+# To prepare a test runner for this example:
+# 1. Generate zero flash encryption key:
+#   dd if=/dev/zero of=key.bin bs=1 count=32
+# 2.Burn Efuses:
+#   espefuse.py --do-not-confirm -p $ESPPORT burn_efuse FLASH_CRYPT_CONFIG 0xf
+#   espefuse.py --do-not-confirm -p $ESPPORT burn_efuse FLASH_CRYPT_CNT 0x1
+#   espefuse.py --do-not-confirm -p $ESPPORT burn_key flash_encryption key.bin
+@ttfw_idf.idf_example_test(env_tag='Example_Flash_Encryption')
+def test_examples_security_flash_encryption(env, extra_data):
+    dut = env.get_dut('flash_encryption', 'examples/security/flash_encryption', dut_class=ttfw_idf.ESP32DUT)
+    # start test
+    dut.start_app()
+
+    # calculate the expected ciphertext
+    flash_addr = dut.app.partition_table["storage"]["offset"]
+    plain_hex_str = '00 01 02 03 04 05 06 07  08 09 0a 0b 0c 0d 0e 0f'
+    plain_data = binascii.unhexlify(plain_hex_str.replace(' ', ''))
+
+    # Emulate espsecure encrypt_flash_data command
+    EncryptFlashDataArgs = namedtuple('EncryptFlashDataArgs', ['output', 'plaintext_file', 'address', 'keyfile', 'flash_crypt_conf'])
+    args = EncryptFlashDataArgs(BytesIO(), BytesIO(plain_data), flash_addr, BytesIO(b'\x00' * 32), 0xF)
+    espsecure.encrypt_flash_data(args)
+
+    expected_ciphertext = args.output.getvalue()
+    hex_ciphertext = binascii.hexlify(expected_ciphertext).decode('ascii')
+    expected_str = (' '.join(hex_ciphertext[i:i + 2] for i in range(0, 16, 2)) + '  ' +
+                    ' '.join(hex_ciphertext[i:i + 2] for i in range(16, 32, 2)))
+
+    lines = [
+        'FLASH_CRYPT_CNT eFuse value is 1',
+        'Flash encryption feature is enabled in DEVELOPMENT mode',
+        'with esp_partition_write',
+        plain_hex_str,
+        'with esp_partition_read',
+        plain_hex_str,
+        'with spi_flash_read',
+        expected_str
+    ]
+    for line in lines:
+        dut.expect(line, timeout=2)
+
+
+if __name__ == '__main__':
+    test_examples_security_flash_encryption()