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- /**************************************************************************************
- * Copyright (c) 2016-2017, ARM Limited or its affiliates. All rights reserved *
- * *
- * This file and the related binary are licensed under the following license: *
- * *
- * ARM Object Code and Header Files License, v1.0 Redistribution. *
- * *
- * Redistribution and use of object code, header files, and documentation, without *
- * modification, are permitted provided that the following conditions are met: *
- * *
- * 1) Redistributions must reproduce the above copyright notice and the *
- * following disclaimer in the documentation and/or other materials *
- * provided with the distribution. *
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- * 2) Unless to the extent explicitly permitted by law, no reverse *
- * engineering, decompilation, or disassembly of is permitted. *
- * *
- * 3) Redistribution and use is permitted solely for the purpose of *
- * developing or executing applications that are targeted for use *
- * on an ARM-based product. *
- * *
- * DISCLAIMER. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
- * CONTRIBUTORS "AS IS." ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT *
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- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
- **************************************************************************************/
- #ifndef _CRYS_PKA_DEFS_HW_H_
- #define _CRYS_PKA_DEFS_HW_H_
- #include "ssi_pal_types.h"
- #include "ssi_pka_hw_plat_defs.h"
- /*!
- @defgroup cryptocell_pka CryptoCell PKA group
- @{
- @ingroup cryptocell_api
- @brief This group is the cryptocell PKA root group
- @}
- @file
- @brief The file contains all of the enums and definitions that are used in the PKA related code.
- @defgroup crys_pka_defs_hw CryptoCell PKA specific definitions
- @{
- @ingroup cryptocell_pka
- */
- /* The valid key sizes in bits for RSA primitives (exponentiation) */
- /*! Maximal RSA modulus size */
- #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 )
- /*! Maximal EC modulus size */
- #define CRYS_ECPKI_MODUL_MAX_LENGTH_IN_BITS 521
- /*! size of buffers for Barrett modulus tag NP, used in PKI algorithms. */
- #define CRYS_PKA_BARRETT_MOD_TAG_BUFF_SIZE_IN_WORDS 5
- /*! size of buffers for Barrett modulus tag NP, used in ECC. */
- #define CRYS_PKA_ECPKI_BARRETT_MOD_TAG_BUFF_SIZE_IN_WORDS CRYS_PKA_BARRETT_MOD_TAG_BUFF_SIZE_IN_WORDS
- /*! Maximal PKA modulus size */
- #define CRYS_PKA_MAXIMUM_MOD_BUFFER_SIZE_IN_WORDS CRYS_RSA_MAXIMUM_MOD_BUFFER_SIZE_IN_WORDS
- /*! Maximal PKA public key size in words */
- #define CRYS_PKA_PUB_KEY_BUFF_SIZE_IN_WORDS (2*CRYS_PKA_BARRETT_MOD_TAG_BUFF_SIZE_IN_WORDS)
- /*! Maximal PKA private key size in words */
- #define CRYS_PKA_PRIV_KEY_BUFF_SIZE_IN_WORDS (2*CRYS_PKA_BARRETT_MOD_TAG_BUFF_SIZE_IN_WORDS)
- /*! Maximal PKA KG buffer size in words */
- #define CRYS_PKA_KGDATA_BUFF_SIZE_IN_WORDS (3*CRYS_PKA_MAXIMUM_MOD_BUFFER_SIZE_IN_WORDS)
- /*! Maximal EC modulus size in words. */
- #define CRYS_ECPKI_MODUL_MAX_LENGTH_IN_WORDS 18 /*!< \internal [(CRYS_ECPKI_MODUL_MAX_LENGTH_IN_BITS + 31)/(sizeof(uint32_t)) + 1] */
- /*! Maximal EC order size in words. */
- #define CRYS_ECPKI_ORDER_MAX_LENGTH_IN_WORDS (CRYS_ECPKI_MODUL_MAX_LENGTH_IN_WORDS + 1)
- /*! Maximal EC domain size in words. */
- #define CRYS_PKA_DOMAIN_BUFF_SIZE_IN_WORDS (2*CRYS_PKA_BARRETT_MOD_TAG_BUFF_SIZE_IN_WORDS)
- /*! ECC NAF buffer definitions */
- #define COUNT_NAF_WORDS_PER_KEY_WORD 8 /*!< \internal Change according to NAF representation (? 2)*/
- /*! Maximal ECC NAF length */
- #define CRYS_PKA_ECDSA_NAF_BUFF_MAX_LENGTH_IN_WORDS (COUNT_NAF_WORDS_PER_KEY_WORD*CRYS_ECPKI_ORDER_MAX_LENGTH_IN_WORDS + 1)
- #ifndef SSI_SUPPORT_ECC_SCA_SW_PROTECT
- /* on fast SCA non protected mode required additional buffers for NAF key */
- /*! Scalar Buffer size in words */
- #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)
- #else
- /*! Scalar Buffer size in words */
- #define CRYS_PKA_ECPKI_SCALAR_MUL_BUFF_MAX_LENGTH_IN_WORDS 1 /*(4*CRYS_ECPKI_MODUL_MAX_LENGTH_IN_WORDS)*/
- #endif
- /*! ECC temp buffer size in words */
- #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)
- /*! ECC sign temp buffer size in words */
- #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)
- /*! ECC ecdh temp buffer size in words */
- #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)
- /*! PKA KG temp buffer size in words */
- #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)
- /*! ECC verify temp buffer size in words */
- #define CRYS_PKA_ECDSA_VERIFY_BUFF_MAX_LENGTH_IN_WORDS (3*CRYS_ECPKI_MODUL_MAX_LENGTH_IN_WORDS)
- /* *************************************************************************** */
- /*! Definitions of maximal size of modulus buffers for CRYS_EC_MONT and EC_EDW in bytes */
- #define CRYS_EC_MONT_EDW_MODULUS_MAX_SIZE_IN_BYTES 32U /*!< \internal for Curve25519 */
- /*! Definitions of maximal size of modulus buffers for CRYS_EC_MONT and EC_EDW in words */
- #define CRYS_EC_MONT_EDW_MODULUS_MAX_SIZE_IN_WORDS 8U /*!< \internal for Curve25519 */
- /*! ECC montgomery temp buffer size in words */
- #define CRYS_EC_MONT_TEMP_BUFF_SIZE_IN_32BIT_WORDS (8 * CRYS_EC_MONT_EDW_MODULUS_MAX_SIZE_IN_WORDS)
- /*! ECC edwards temp buffer size in words */
- #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)
- /**
- @}
- */
- /**
- @}
- */
- #endif /*_CRYS_PKA_DEFS_HW_H_*/
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