Hi David, On Wed, Dec 14, 2016 at 10:56 AM, David Laight <david.lai...@aculab.com> wrote: > ... >> +u64 siphash24(const u8 *data, size_t len, const u8 key[SIPHASH24_KEY_LEN]) > ... >> + u64 k0 = get_unaligned_le64(key); >> + u64 k1 = get_unaligned_le64(key + sizeof(u64)); > ... >> + m = get_unaligned_le64(data); > > All these unaligned accesses are going to get expensive on architectures > like sparc64.
Yes, the unaligned accesses aren't pretty. Since in pretty much all use cases thus far, the data can easily be made aligned, perhaps it makes sense to create siphash24() and siphash24_unaligned(). Any thoughts on doing something like that? Jason -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
