1 /*
2  * Copyright (c) 2001-2019, Arm Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 /*
8  * All the includes that are needed for code using this module to
9  * compile correctly should be #included here.
10  */
11 #include "cc_pal_types.h"
12 #include "cc_ecpki_types.h"
13 
14 
15 /**************** The domain structure describing *************/
16 /**
17 // The structure containing EC domain parameters in little-endian form.
18 // Elliptic curve: Y^2 = X^3 + A*X + B over prime fild GFp
19 
20 typedef  struct {
21 
22     // Field modulus:  GF_Modulus = P
23     uint32_t    ecP [CC_ECPKI_MODUL_MAX_LENGTH_IN_WORDS];
24     // EC equation parameters a, b
25     uint32_t    ecA [CC_ECPKI_MODUL_MAX_LENGTH_IN_WORDS];
26     uint32_t    ecB [CC_ECPKI_MODUL_MAX_LENGTH_IN_WORDS];
27     // Order of generator: EC_GenerOrder
28     uint32_t    ecOrd [CC_ECPKI_MODUL_MAX_LENGTH_IN_WORDS + 1];
29     // Generator (EC base point) coordinates in projective form
30     uint32_t    ecGx [CC_ECPKI_MODUL_MAX_LENGTH_IN_WORDS];
31     uint32_t    ecGy [CC_ECPKI_MODUL_MAX_LENGTH_IN_WORDS];
32     // EC cofactor EC_Cofactor_K
33     uint32_t    ecH;
34     // include the specific fields that are used by the low level
35     uint32_t      barrTagBuff[CC_PKA_DOMAIN_BUFF_SIZE_IN_WORDS];
36     // Size of fields in bits
37     uint32_t    modSizeInBits;
38     uint32_t    ordSizeInBits;
39     // Size of each inserted Barret tag in words; 0 - if not inserted
40     uint32_t    barrTagSizeInWords;
41     CCEcpkiDomainID_t   DomainID;
42     int8_t  name[20];
43 
44 } CCEcpkiDomain_t;
45 
46 */
47 
48 /***********************************************************************************
49  *   Data base of ecpki_domain_secp192r1: structure of type  CCEcpkiDomain_t    *
50  *       All data is given in little endian order of words in arrays               *
51  ***********************************************************************************/
52 static const CCEcpkiDomain_t ecpki_domain_secp192r1 = {
53     /* Field modulus :  GF_Modulus =  FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF - big end*/
54     {0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFE,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF},
55     /* EC equation parameters a, b  */
56     /* a = FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC  - big end  from SEC2 */
57     {0xFFFFFFFC,0xFFFFFFFF,0xFFFFFFFE,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF},
58     /* b = 64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1 - big end  from SEC2 */
59     {0xC146B9B1,0xFEB8DEEC,0x72243049,0x0FA7E9AB,0xE59C80E7,0x64210519},
60 
61     /* Order of generator: FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831 big end  from SEC2 */
62     {0xB4D22831,0x146BC9B1,0x99DEF836,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF},
63 
64     /* Generator  coordinates in affine form: EC_Gener_X, EC_Gener_Y (in ordinary representation) */
65     /* 188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012   X - big end  from SEC2 */
66     {0x82FF1012,0xF4FF0AFD,0x43A18800,0x7CBF20EB,0xB03090F6,0x188DA80E},
67     /* 7192B95FFC8DA78631011ED6B24CDD573F977A11E794811  Y - big end  from SEC2 */
68     {0x1E794811,0x73F977A1,0x6B24CDD5,0x631011ED,0xFFC8DA78,0x07192B95},
69 
70     1, /* EC cofactor K */
71 
72     /* Barrett tags NP,RP */
73     #ifdef CC_SUPPORT_PKA_128_32
74     {0x00000080,0x00000000,0x00000000,0x00000000,0x00000080,
75         0x1083E4F5,0x00000033,0x00000000,0x00000000,0x00000080},
76     #else  // CC_SUPPORT_PKA_64_16
77     {0x00000000,0x00000000,0x00000080,0x00000000, 0x00000000,
78         0x00000000,0x00000000,0x00000080,0x00000000,0x00000000},
79     #endif
80 
81     192, /* Size of field modulus in bits */
82     192, /* Size of order of generator in bits */
83     5,   /* Size of each inserted Barret tag in words; 0 - if not inserted */
84 
85     CC_ECPKI_DomainID_secp192r1,    /* EC Domain identifier - enum */
86     "SECG_PRIME_192R1" /*NIST_P192*/
87 };
88 
89 
90 
91 
92 /**
93  @brief    the function returns the domain pointer id the domain is supported for the product;
94         otherwise return NULL
95  @return   return domain pointer or NULL
96 
97 */
CC_EcpkiGetSecp192r1DomainP(void)98 const CCEcpkiDomain_t *CC_EcpkiGetSecp192r1DomainP(void)
99 {
100     return &ecpki_domain_secp192r1;
101 }
102 
103