diff options
| -rw-r--r-- | doc/manual/building.rst | 9 | ||||
| -rw-r--r-- | news.rst | 2 |
2 files changed, 6 insertions, 5 deletions
diff --git a/doc/manual/building.rst b/doc/manual/building.rst index c09ee77ee..60525dc9e 100644 --- a/doc/manual/building.rst +++ b/doc/manual/building.rst @@ -393,11 +393,10 @@ library. All of them begin with ``BOTAN_HAS_``. For example, if ``BOTAN_HAS_BLOWFISH`` is defined, then an application can include ``<botan/blowfish.h>`` and use the Blowfish class. -``BOTAN_MP_WORD_BITS``: This macro controls the size of the words used -for calculations with the MPI implementation in Botan. You can choose -8, 16, 32, or 64. Normally this defaults to either 32 or 64, depending -on the processor. Unless you are building for a 8 or 16-bit CPU, this -isn't worth messing with. +``BOTAN_MP_WORD_BITS``: This macro controls the size of the words used for +calculations with the MPI implementation in Botan. It must be set to either 32 +or 64 bits. The default is chosen based on the target processor. There is +normally no reason to change this. ``BOTAN_DEFAULT_BUFFER_SIZE``: This constant is used as the size of buffers throughout Botan. The default should be fine for most @@ -12,6 +12,8 @@ Version 2.8.0, Not Yet Released * Add XChaCha and XChaCha20Poly1305 (GH #1640) +* Support for building with BOTAN_MP_WORD_BITS set to 8 or 16 has been removed. + * Previously SM2 had two distinct key types, one for signatures and another for encryption. They have now been merged into a single key type since in practice it seems the same key is at times used for both operations. (GH #1637) |