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calc128.h
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1 /*************************************************************************************************/
2 /*!
3  * \file calc128.h
4  *
5  * \brief 128-bit integer utilities.
6  *
7  * Copyright (c) 2010-2018 Arm Ltd. All Rights Reserved.
8  *
9  * Copyright (c) 2019-2020 Packetcraft, Inc.
10  *
11  * Licensed under the Apache License, Version 2.0 (the "License");
12  * you may not use this file except in compliance with the License.
13  * You may obtain a copy of the License at
14  *
15  * http://www.apache.org/licenses/LICENSE-2.0
16  *
17  * Unless required by applicable law or agreed to in writing, software
18  * distributed under the License is distributed on an "AS IS" BASIS,
19  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20  * See the License for the specific language governing permissions and
21  * limitations under the License.
22  */
23 /*************************************************************************************************/
24 #ifndef CALC128_H
25 #define CALC128_H
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
31 /*! \addtogroup WSF_UTIL_API
32  * \{ */
33 
34 /**************************************************************************************************
35  Macros
36 **************************************************************************************************/
37 
38 /*! \brief 128-bit integer length in bytes */
39 #define CALC128_LEN 16
40 
41 /**************************************************************************************************
42  Global Variables
43 **************************************************************************************************/
44 
45 /*! \brief 128-bit zero value */
46 extern const uint8_t calc128Zeros[CALC128_LEN];
47 
48 /**************************************************************************************************
49  Function Declarations
50 **************************************************************************************************/
51 
52 /*************************************************************************************************/
53 /*!
54  * \brief Copy a 128-bit integer from source to destination.
55  *
56  * \param pDst Pointer to destination.
57  * \param pSrc Pointer to source.
58  */
59 /*************************************************************************************************/
60 void Calc128Cpy(uint8_t *pDst, uint8_t *pSrc);
61 
62 /*************************************************************************************************/
63 /*!
64  * \brief Copy a 64-bit integer from source to destination.
65  *
66  * \param pDst Pointer to destination.
67  * \param pSrc Pointer to source.
68  */
69 /*************************************************************************************************/
70 void Calc128Cpy64(uint8_t *pDst, uint8_t *pSrc);
71 
72 /*************************************************************************************************/
73 /*!
74  * \brief Exclusive-or two 128-bit integers and return the result in pDst.
75  *
76  * \param pDst Pointer to destination.
77  * \param pSrc Pointer to source.
78  */
79 /*************************************************************************************************/
80 void Calc128Xor(uint8_t *pDst, uint8_t *pSrc);
81 
82 /*! \} */ /* WSF_UTIL_API */
83 
84 #ifdef __cplusplus
85 };
86 #endif
87 
88 #endif /* CALC128_H */
Calc128Cpy64
void Calc128Cpy64(uint8_t *pDst, uint8_t *pSrc)
Copy a 64-bit integer from source to destination.
Calc128Xor
void Calc128Xor(uint8_t *pDst, uint8_t *pSrc)
Exclusive-or two 128-bit integers and return the result in pDst.
Calc128Cpy
void Calc128Cpy(uint8_t *pDst, uint8_t *pSrc)
Copy a 128-bit integer from source to destination.
calc128Zeros
const uint8_t calc128Zeros[16]
128-bit zero value
CALC128_LEN
#define CALC128_LEN
128-bit integer length in bytes
Definition: calc128.h:39
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