diff options
| -rw-r--r-- | Doc/library/binascii.rst | 6 | ||||
| -rw-r--r-- | Modules/binascii.c | 2 |
2 files changed, 5 insertions, 3 deletions
diff --git a/Doc/library/binascii.rst b/Doc/library/binascii.rst index 5eb7c4b..38f616a 100644 --- a/Doc/library/binascii.rst +++ b/Doc/library/binascii.rst @@ -101,8 +101,10 @@ The :mod:`binascii` module defines the following functions: .. function:: crc_hqx(data, crc) - Compute the binhex4 crc value of *data*, starting with an initial *crc* and - returning the result. + Compute a 16-bit CRC value of *data*, starting with an initial *crc* and + returning the result. This uses the CRC-CCITT polynomial + *x*:sup:`16` + *x*:sup:`12` + *x*:sup:`5` + 1, often represented as + 0x1021. This CRC is used in the binhex4 format. .. function:: crc32(data[, crc]) diff --git a/Modules/binascii.c b/Modules/binascii.c index 06af60f..1e785fa 100644 --- a/Modules/binascii.c +++ b/Modules/binascii.c @@ -842,7 +842,7 @@ binascii_rledecode_hqx(PyObject *self, PyObject *args) } PyDoc_STRVAR(doc_crc_hqx, -"(data, oldcrc) -> newcrc. Compute hqx CRC incrementally"); +"(data, oldcrc) -> newcrc. Compute CRC-CCITT incrementally"); static PyObject * binascii_crc_hqx(PyObject *self, PyObject *args) |