1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*******************************************************************************
* Copyright 2003-2018 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.
// EC over Prime Finite Field (EC Key Generation)
//
// Contents:
// ippsECCPSetKeyPair()
//
//
*/
#include "owndefs.h"
#include "owncp.h"
#include "pcpeccp.h"
/*F*
// Name: ippsECCPSetKeyPair
//
// Purpose: Generate (private,public) Key Pair
//
// Returns: Reason:
// ippStsNullPtrErr NULL == pEC
// NULL == pPrivate
// NULL == pPublic
//
// ippStsContextMatchErr illegal pEC->idCtx
// illegal pPrivate->idCtx
// illegal pPublic->idCtx
//
// ippStsNoErr no errors
//
// Parameters:
// pPrivate pointer to the private key
// pPublic pointer to the public key
// regular flag regular/ephemeral keys
// pEC pointer to the ECCP context
//
*F*/
IPPFUN(IppStatus, ippsECCPSetKeyPair, (const IppsBigNumState* pPrivate, const IppsECCPPointState* pPublic,
IppBool regular,
IppsECCPState* pEC))
{
/* use aligned EC context */
IPP_BAD_PTR1_RET(pEC);
pEC = (IppsGFpECState*)( IPP_ALIGNED_PTR(pEC, ECGFP_ALIGNMENT) );
IPP_BADARG_RET(!ECP_TEST_ID(pEC), ippStsContextMatchErr);
{
BNU_CHUNK_T* targetPrivate;
BNU_CHUNK_T* targetPublic;
if(regular) {
targetPrivate = ECP_PRIVAT(pEC);
targetPublic = ECP_PUBLIC(pEC);
}
else {
targetPrivate = ECP_PRIVAT_E(pEC);
targetPublic = ECP_PUBLIC_E(pEC);
}
/* set up private key request */
if( pPrivate ) {
pPrivate = (IppsBigNumState*)( IPP_ALIGNED_PTR(pPrivate, ALIGN_VAL) );
IPP_BADARG_RET(!BN_VALID_ID(pPrivate), ippStsContextMatchErr);
{
int privateLen = BITS_BNU_CHUNK(ECP_ORDBITSIZE(pEC));
cpGFpElementCopyPadd(targetPrivate, privateLen, BN_NUMBER(pPrivate), BN_SIZE(pPrivate));
}
}
/* set up public key request */
if( pPublic ) {
IPP_BADARG_RET( !ECP_POINT_TEST_ID(pPublic), ippStsContextMatchErr );
{
BNU_CHUNK_T* targetPublicX = targetPublic;
BNU_CHUNK_T* targetPublicY = targetPublic+ECP_POINT_FELEN(pPublic);
gfec_GetPoint(targetPublicX, targetPublicY, pPublic, pEC);
gfec_SetPoint(targetPublic, targetPublicX, targetPublicY, pEC);
//cpGFpElementCopy(targetPublic, ECP_POINT_DATA(pPublic), publicLen);
}
}
return ippStsNoErr;
}
}
|
