Keil Studio Cloud
Mistake on this page?
Report an issue in GitHub or email us
crys_pka_defs_hw.h
Go to the documentation of this file.
1 /**************************************************************************************
2 * Copyright (c) 2016-2017, ARM Limited or its affiliates. All rights reserved *
3 * *
4 * This file and the related binary are licensed under the following license: *
5 * *
6 * ARM Object Code and Header Files License, v1.0 Redistribution. *
7 * *
8 * Redistribution and use of object code, header files, and documentation, without *
9 * modification, are permitted provided that the following conditions are met: *
10 * *
11 * 1) Redistributions must reproduce the above copyright notice and the *
12 * following disclaimer in the documentation and/or other materials *
13 * provided with the distribution. *
14 * *
15 * 2) Unless to the extent explicitly permitted by law, no reverse *
16 * engineering, decompilation, or disassembly of is permitted. *
17 * *
18 * 3) Redistribution and use is permitted solely for the purpose of *
19 * developing or executing applications that are targeted for use *
20 * on an ARM-based product. *
21 * *
22 * DISCLAIMER. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
23 * CONTRIBUTORS "AS IS." ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT *
24 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, NON-INFRINGEMENT, *
25 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE *
26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED *
28 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
29 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
30 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
31 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
32 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
33 **************************************************************************************/
34 
35 
36 
37 
38 #ifndef _CRYS_PKA_DEFS_HW_H_
39 #define _CRYS_PKA_DEFS_HW_H_
40 
41 #include "ssi_pal_types.h"
42 #include "ssi_pka_hw_plat_defs.h"
43 
44 /*!
45 @defgroup cryptocell_pka CryptoCell PKA group
46 @{
47 @ingroup cryptocell_api
48 @brief This group is the cryptocell PKA root group
49 @}
50 
51 @file
52 @brief The file contains all of the enums and definitions that are used in the PKA related code.
53 @defgroup crys_pka_defs_hw CryptoCell PKA specific definitions
54 @{
55 @ingroup cryptocell_pka
56 */
57 
58 
59 /* The valid key sizes in bits for RSA primitives (exponentiation) */
60 /*! Maximal RSA modulus size */
61 #define CRYS_RSA_MAXIMUM_MOD_BUFFER_SIZE_IN_WORDS ((CRYS_RSA_MAX_VALID_KEY_SIZE_VALUE_IN_BITS + SASI_PKA_WORD_SIZE_IN_BITS) / SASI_BITS_IN_32BIT_WORD )
62 /*! Maximal EC modulus size */
63 #define CRYS_ECPKI_MODUL_MAX_LENGTH_IN_BITS 521
64 
65 /*! size of buffers for Barrett modulus tag NP, used in PKI algorithms. */
66 #define CRYS_PKA_BARRETT_MOD_TAG_BUFF_SIZE_IN_WORDS 5
67 /*! size of buffers for Barrett modulus tag NP, used in ECC. */
68 #define CRYS_PKA_ECPKI_BARRETT_MOD_TAG_BUFF_SIZE_IN_WORDS CRYS_PKA_BARRETT_MOD_TAG_BUFF_SIZE_IN_WORDS
69 /*! Maximal PKA modulus size */
70 #define CRYS_PKA_MAXIMUM_MOD_BUFFER_SIZE_IN_WORDS CRYS_RSA_MAXIMUM_MOD_BUFFER_SIZE_IN_WORDS
71 /*! Maximal PKA public key size in words */
72 #define CRYS_PKA_PUB_KEY_BUFF_SIZE_IN_WORDS (2*CRYS_PKA_BARRETT_MOD_TAG_BUFF_SIZE_IN_WORDS)
73 /*! Maximal PKA private key size in words */
74 #define CRYS_PKA_PRIV_KEY_BUFF_SIZE_IN_WORDS (2*CRYS_PKA_BARRETT_MOD_TAG_BUFF_SIZE_IN_WORDS)
75 /*! Maximal PKA KG buffer size in words */
76 #define CRYS_PKA_KGDATA_BUFF_SIZE_IN_WORDS (3*CRYS_PKA_MAXIMUM_MOD_BUFFER_SIZE_IN_WORDS)
77 
78 
79 /*! Maximal EC modulus size in words. */
80 #define CRYS_ECPKI_MODUL_MAX_LENGTH_IN_WORDS 18 /*!< \internal [(CRYS_ECPKI_MODUL_MAX_LENGTH_IN_BITS + 31)/(sizeof(uint32_t)) + 1] */
81 /*! Maximal EC order size in words. */
82 #define CRYS_ECPKI_ORDER_MAX_LENGTH_IN_WORDS (CRYS_ECPKI_MODUL_MAX_LENGTH_IN_WORDS + 1)
83 /*! Maximal EC domain size in words. */
84 #define CRYS_PKA_DOMAIN_BUFF_SIZE_IN_WORDS (2*CRYS_PKA_BARRETT_MOD_TAG_BUFF_SIZE_IN_WORDS)
85 
86 
87 /*! ECC NAF buffer definitions */
88 #define COUNT_NAF_WORDS_PER_KEY_WORD 8 /*!< \internal Change according to NAF representation (? 2)*/
89 /*! Maximal ECC NAF length */
90 #define CRYS_PKA_ECDSA_NAF_BUFF_MAX_LENGTH_IN_WORDS (COUNT_NAF_WORDS_PER_KEY_WORD*CRYS_ECPKI_ORDER_MAX_LENGTH_IN_WORDS + 1)
91 
92 #ifndef SSI_SUPPORT_ECC_SCA_SW_PROTECT
93 /* on fast SCA non protected mode required additional buffers for NAF key */
94 /*! Scalar Buffer size in words */
95 #define CRYS_PKA_ECPKI_SCALAR_MUL_BUFF_MAX_LENGTH_IN_WORDS (CRYS_PKA_ECDSA_NAF_BUFF_MAX_LENGTH_IN_WORDS+CRYS_ECPKI_MODUL_MAX_LENGTH_IN_WORDS+2)
96 #else
97 /*! Scalar Buffer size in words */
98 #define CRYS_PKA_ECPKI_SCALAR_MUL_BUFF_MAX_LENGTH_IN_WORDS 1 /*(4*CRYS_ECPKI_MODUL_MAX_LENGTH_IN_WORDS)*/
99 #endif
100 /*! ECC temp buffer size in words */
101 #define CRYS_PKA_ECPKI_BUILD_TMP_BUFF_MAX_LENGTH_IN_WORDS (3*CRYS_ECPKI_MODUL_MAX_LENGTH_IN_WORDS+CRYS_PKA_ECPKI_SCALAR_MUL_BUFF_MAX_LENGTH_IN_WORDS)
102 /*! ECC sign temp buffer size in words */
103 #define CRYS_PKA_ECDSA_SIGN_BUFF_MAX_LENGTH_IN_WORDS (6*CRYS_ECPKI_MODUL_MAX_LENGTH_IN_WORDS+CRYS_PKA_ECPKI_SCALAR_MUL_BUFF_MAX_LENGTH_IN_WORDS)
104 /*! ECC ecdh temp buffer size in words */
105 #define CRYS_PKA_ECDH_BUFF_MAX_LENGTH_IN_WORDS (2*CRYS_ECPKI_ORDER_MAX_LENGTH_IN_WORDS + CRYS_PKA_ECPKI_SCALAR_MUL_BUFF_MAX_LENGTH_IN_WORDS)
106 /*! PKA KG temp buffer size in words */
107 #define CRYS_PKA_KG_BUFF_MAX_LENGTH_IN_WORDS (2*CRYS_ECPKI_ORDER_MAX_LENGTH_IN_WORDS + CRYS_PKA_ECPKI_SCALAR_MUL_BUFF_MAX_LENGTH_IN_WORDS)
108 /*! ECC verify temp buffer size in words */
109 #define CRYS_PKA_ECDSA_VERIFY_BUFF_MAX_LENGTH_IN_WORDS (3*CRYS_ECPKI_MODUL_MAX_LENGTH_IN_WORDS)
110 
111 /* *************************************************************************** */
112 /*! Definitions of maximal size of modulus buffers for CRYS_EC_MONT and EC_EDW in bytes */
113 #define CRYS_EC_MONT_EDW_MODULUS_MAX_SIZE_IN_BYTES 32U /*!< \internal for Curve25519 */
114 /*! Definitions of maximal size of modulus buffers for CRYS_EC_MONT and EC_EDW in words */
115 #define CRYS_EC_MONT_EDW_MODULUS_MAX_SIZE_IN_WORDS 8U /*!< \internal for Curve25519 */
116 /*! ECC montgomery temp buffer size in words */
117 #define CRYS_EC_MONT_TEMP_BUFF_SIZE_IN_32BIT_WORDS (8 * CRYS_EC_MONT_EDW_MODULUS_MAX_SIZE_IN_WORDS)
118 /*! ECC edwards temp buffer size in words */
119 #define CRYS_EC_EDW_TEMP_BUFF_SIZE_IN_32BIT_WORD (8*CRYS_EC_MONT_EDW_MODULUS_MAX_SIZE_IN_WORDS + (sizeof(CRYS_HASHUserContext_t)+SASI_32BIT_WORD_SIZE-1)/SASI_32BIT_WORD_SIZE)
120 
121 /**
122 @}
123  */
124 /**
125 @}
126  */
127 #endif /*_CRYS_PKA_DEFS_HW_H_*/
128 
ssi_pka_hw_plat_defs.h
Contains the enums and definitions that are used in the PKA code (definitions that are platform depen...
ssi_pal_types.h
This file contains the platform dependent definitions and types.
Important Information for this Arm website

This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies. If you are not happy with the use of these cookies, please review our Cookie Policy to learn how they can be disabled. By disabling cookies, some features of the site will not work.