diff options
Diffstat (limited to 'include/drivers/arm/cryptocell/712/rsa.h')
-rw-r--r-- | include/drivers/arm/cryptocell/712/rsa.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/drivers/arm/cryptocell/712/rsa.h b/include/drivers/arm/cryptocell/712/rsa.h new file mode 100644 index 00000000..cd9925b3 --- /dev/null +++ b/include/drivers/arm/cryptocell/712/rsa.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2017, 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 ion bits */ +#define RSA_MOD_SIZE_IN_BITS 2048UL +#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)) + +/* size of buffer for Barrett modulus tag NP, used in PKA algorithms */ +#define RSA_HW_PKI_PKA_BARRETT_MOD_TAG_SIZE_IN_BITS 132 +#define RSA_HW_PKI_PKA_BARRETT_MOD_TAG_SIZE_IN_BYTES (CALC_FULL_BYTES(RSA_HW_PKI_PKA_BARRETT_MOD_TAG_SIZE_IN_BITS)) +#define RSA_HW_PKI_PKA_BARRETT_MOD_TAG_SIZE_IN_WORDS (CALC_FULL_32BIT_WORDS(RSA_HW_PKI_PKA_BARRETT_MOD_TAG_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 |