diff options
Diffstat (limited to 'fw/crc.py')
| -rw-r--r-- | fw/crc.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fw/crc.py b/fw/crc.py new file mode 100644 index 0000000..043c6e9 --- /dev/null +++ b/fw/crc.py @@ -0,0 +1,8 @@ +import ctypes +import os +lib = ctypes.CDLL(os.path.join(os.path.dirname(__file__), '_crc.so')) +lib.crc32.restype = ctypes.c_uint32 +def crc(data): + if type(data) is not bytes: + raise TypeError('This only works with bytes') + return lib.crc32(data, len(data)) |