| /******************************************************************************* |
| * Copyright 2007-2018 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. |
| // Ciper-based Message Authentication Code (CMAC) see SP800-38B |
| // Internal Definitions and Internal Functions Prototypes |
| // |
| */ |
| |
| #if !defined(_PCP_CMAC_H) |
| #define _PCP_CMAC_H |
| |
| #include "pcprij.h" |
| |
| |
| /* |
| // Rijndael128 based CMAC context |
| */ |
| struct _cpAES_CMAC { |
| IppCtxId idCtx; /* CMAC identifier */ |
| int index; /* internal buffer entry (free) */ |
| int dummy[2]; /* align-16 */ |
| Ipp8u k1[MBS_RIJ128]; /* k1 subkey */ |
| Ipp8u k2[MBS_RIJ128]; /* k2 subkey */ |
| Ipp8u mBuffer[MBS_RIJ128];/* buffer */ |
| Ipp8u mMAC[MBS_RIJ128]; /* intermediate digest */ |
| __ALIGN16 /* aligned AES context */ |
| IppsRijndael128Spec mCipherCtx; |
| }; |
| |
| /* alignment */ |
| //#define CMACRIJ_ALIGNMENT (RIJ_ALIGNMENT) |
| #define AESCMAC_ALIGNMENT (RIJ_ALIGNMENT) |
| |
| /* |
| // Useful macros |
| */ |
| #define CMAC_ID(stt) ((stt)->idCtx) |
| #define CMAC_INDX(stt) ((stt)->index) |
| #define CMAC_K1(stt) ((stt)->k1) |
| #define CMAC_K2(stt) ((stt)->k2) |
| #define CMAC_BUFF(stt) ((stt)->mBuffer) |
| #define CMAC_MAC(stt) ((stt)->mMAC) |
| #define CMAC_CIPHER(stt) ((stt)->mCipherCtx) |
| |
| /* valid context ID */ |
| #define VALID_AESCMAC_ID(ctx) (CMAC_ID((ctx))==idCtxCMAC) |
| |
| #endif /* _PCP_CMAC_H */ |
