diff options
| author | Alexander Harkness <bearbin@gmail.com> | 2013-11-24 15:21:13 +0100 |
|---|---|---|
| committer | Alexander Harkness <bearbin@gmail.com> | 2013-11-24 15:21:13 +0100 |
| commit | 3438e5d3ddf8444f0e31009ffbe8237ef3752c22 (patch) | |
| tree | 7c2f76d5e9281c130e60fb932c4dda89a49863b6 /CryptoPP/gf256.cpp | |
| parent | Moved source to src (diff) | |
| download | cuberite-3438e5d3ddf8444f0e31009ffbe8237ef3752c22.tar cuberite-3438e5d3ddf8444f0e31009ffbe8237ef3752c22.tar.gz cuberite-3438e5d3ddf8444f0e31009ffbe8237ef3752c22.tar.bz2 cuberite-3438e5d3ddf8444f0e31009ffbe8237ef3752c22.tar.lz cuberite-3438e5d3ddf8444f0e31009ffbe8237ef3752c22.tar.xz cuberite-3438e5d3ddf8444f0e31009ffbe8237ef3752c22.tar.zst cuberite-3438e5d3ddf8444f0e31009ffbe8237ef3752c22.zip | |
Diffstat (limited to 'CryptoPP/gf256.cpp')
| -rw-r--r-- | CryptoPP/gf256.cpp | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/CryptoPP/gf256.cpp b/CryptoPP/gf256.cpp deleted file mode 100644 index 72026d1e1..000000000 --- a/CryptoPP/gf256.cpp +++ /dev/null @@ -1,34 +0,0 @@ -// gf256.cpp - written and placed in the public domain by Wei Dai - -#include "pch.h" -#include "gf256.h" - -NAMESPACE_BEGIN(CryptoPP) - -GF256::Element GF256::Multiply(Element a, Element b) const -{ - word result = 0, t = b; - - for (unsigned int i=0; i<8; i++) - { - result <<= 1; - if (result & 0x100) - result ^= m_modulus; - - t <<= 1; - if (t & 0x100) - result ^= a; - } - - return (GF256::Element) result; -} - -GF256::Element GF256::MultiplicativeInverse(Element a) const -{ - Element result = a; - for (int i=1; i<7; i++) - result = Multiply(Square(result), a); - return Square(result); -} - -NAMESPACE_END |