| /* |
| * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #ifndef RSA_H |
| #define RSA_H |
| |
| /* |
| * All the includes that are needed for code using this module to |
| * compile correctly should be #included here. |
| */ |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| #include "cc_pal_types.h" |
| |
| /************************ Defines ******************************/ |
| |
| /* the modulus size in bits */ |
| #if (KEY_SIZE == 2048) |
| #define RSA_MOD_SIZE_IN_BITS 2048UL |
| #elif (KEY_SIZE == 3072) |
| #define RSA_MOD_SIZE_IN_BITS 3072UL |
| #else |
| #error Unsupported CryptoCell key size requested |
| #endif |
| |
| #define RSA_MOD_SIZE_IN_BYTES (CALC_FULL_BYTES(RSA_MOD_SIZE_IN_BITS)) |
| #define RSA_MOD_SIZE_IN_WORDS (CALC_FULL_32BIT_WORDS(RSA_MOD_SIZE_IN_BITS)) |
| #define RSA_MOD_SIZE_IN_256BITS (RSA_MOD_SIZE_IN_WORDS/8) |
| #define RSA_EXP_SIZE_IN_BITS 17UL |
| #define RSA_EXP_SIZE_IN_BYTES (CALC_FULL_BYTES(RSA_EXP_SIZE_IN_BITS)) |
| |
| /* |
| * @brief The RSA_CalcNp calculates Np value and saves it into Np_ptr: |
| * |
| * |
| |
| * @param[in] hwBaseAddress - HW base address. Relevant for HW |
| * implementation, for SW it is ignored. |
| * @N_ptr[in] - The pointer to the modulus buffer. |
| * @Np_ptr[out] - pointer to Np vector buffer. Its size must be >= 160. |
| */ |
| void RSA_CalcNp(unsigned long hwBaseAddress, |
| uint32_t *N_ptr, |
| uint32_t *Np_ptr); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |