12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879 |
- /*
- * Copyright (C) 2016 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #if !defined(_PCP_RIJ_SAFE2_H)
- #define _PCP_RIJ_SAFE2_H
- // transpose 4x4 Ipp8u matrix
- #define TRANSPOSE(out, inp) \
- (out)[ 0] = (inp)[ 0]; \
- (out)[ 4] = (inp)[ 1]; \
- (out)[ 8] = (inp)[ 2]; \
- (out)[12] = (inp)[ 3]; \
- \
- (out)[ 1] = (inp)[ 4]; \
- (out)[ 5] = (inp)[ 5]; \
- (out)[ 9] = (inp)[ 6]; \
- (out)[13] = (inp)[ 7]; \
- \
- (out)[ 2] = (inp)[ 8]; \
- (out)[ 6] = (inp)[ 9]; \
- (out)[10] = (inp)[10]; \
- (out)[14] = (inp)[11]; \
- \
- (out)[ 3] = (inp)[12]; \
- (out)[ 7] = (inp)[13]; \
- (out)[11] = (inp)[14]; \
- (out)[15] = (inp)[15]
- __INLINE void XorRoundKey(Ipp32u* state, const Ipp32u* RoundKey)
- {
- state[0] ^= RoundKey[0];
- state[1] ^= RoundKey[1];
- state[2] ^= RoundKey[2];
- state[3] ^= RoundKey[3];
- }
- // xtime is a macro that finds the product of {02} and the argument to xtime modulo {1b}
- __INLINE Ipp32u mask4(Ipp32u x)
- {
- x &= 0x80808080;
- return (Ipp32u)((x<<1) - (x>>7));
- }
- __INLINE Ipp32u xtime4(Ipp32u x)
- {
- Ipp32u t = (x+x) &0xFEFEFEFE;
- t ^= mask4(x) & 0x1B1B1B1B;
- return t;
- }
- #endif /* _PCP_RIJ_SAFE2_H */
|