diff options
Diffstat (limited to 'tools/crypto')
| -rw-r--r-- | tools/crypto/ccp/dbc.c | 1 | ||||
| -rw-r--r-- | tools/crypto/ccp/dbc.py | 5 |
2 files changed, 4 insertions, 2 deletions
diff --git a/tools/crypto/ccp/dbc.c b/tools/crypto/ccp/dbc.c index 7774e981849f..a807df0f0597 100644 --- a/tools/crypto/ccp/dbc.c +++ b/tools/crypto/ccp/dbc.c @@ -68,5 +68,6 @@ int process_param(int fd, int msg_index, __u8 *signature, int *data) return errno; *data = tmp.param; + memcpy(signature, tmp.signature, sizeof(tmp.signature)); return 0; } diff --git a/tools/crypto/ccp/dbc.py b/tools/crypto/ccp/dbc.py index 3956efe7537a..2b91415b1940 100644 --- a/tools/crypto/ccp/dbc.py +++ b/tools/crypto/ccp/dbc.py @@ -57,7 +57,8 @@ def process_param(device, message, signature, data=None): if type(message) != tuple: raise ValueError("Expected message tuple") arg = ctypes.c_int(data if data else 0) - ret = lib.process_param(device.fileno(), message[0], signature, ctypes.pointer(arg)) + sig = ctypes.create_string_buffer(signature, len(signature)) + ret = lib.process_param(device.fileno(), message[0], ctypes.pointer(sig), ctypes.pointer(arg)) if ret: handle_error(ret) - return arg, signature + return arg.value, sig.value |