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Diffstat (limited to 'ext/ipp/sources/ippcp/pcprij128safe2.h')
| -rw-r--r-- | ext/ipp/sources/ippcp/pcprij128safe2.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/ext/ipp/sources/ippcp/pcprij128safe2.h b/ext/ipp/sources/ippcp/pcprij128safe2.h new file mode 100644 index 0000000..bed4f42 --- /dev/null +++ b/ext/ipp/sources/ippcp/pcprij128safe2.h @@ -0,0 +1,97 @@ +/******************************************************************************* +* Copyright 2015-2018 Intel Corporation +* All Rights Reserved. +* +* If this software was obtained under the Intel Simplified Software License, +* the following terms apply: +* +* The source code, information and material ("Material") contained herein is +* owned by Intel Corporation or its suppliers or licensors, and title to such +* Material remains with Intel Corporation or its suppliers or licensors. The +* Material contains proprietary information of Intel or its suppliers and +* licensors. The Material is protected by worldwide copyright laws and treaty +* provisions. No part of the Material may be used, copied, reproduced, +* modified, published, uploaded, posted, transmitted, distributed or disclosed +* in any way without Intel's prior express written permission. No license under +* any patent, copyright or other intellectual property rights in the Material +* is granted to or conferred upon you, either expressly, by implication, +* inducement, estoppel or otherwise. Any license under such intellectual +* property rights must be express and approved by Intel in writing. +* +* Unless otherwise agreed by Intel in writing, you may not remove or alter this +* notice or any other notice embedded in Materials by Intel or Intel's +* suppliers or licensors in any way. +* +* +* If this software was obtained under the Apache License, Version 2.0 (the +* "License"), the following terms apply: +* +* You may not use this file except in compliance with the License. You may +* obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 +* +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* +* See the License for the specific language governing permissions and +* limitations under the License. +*******************************************************************************/ + +/* +// +// Purpose: +// Cryptography Primitive. +// Internal Safe Rijndael Encrypt, Decrypt +// +// +*/ + +#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 */ |