1 /* 2 ROM functions for hardware bigint support. 3 4 It is not recommended to use these functions directly, 5 use the wrapper functions in hwcrypto/mpi.h instead. 6 7 */ 8 // Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD 9 // 10 // Licensed under the Apache License, Version 2.0 (the "License"); 11 // you may not use this file except in compliance with the License. 12 // You may obtain a copy of the License at 13 14 // http://www.apache.org/licenses/LICENSE-2.0 15 // 16 // Unless required by applicable law or agreed to in writing, software 17 // distributed under the License is distributed on an "AS IS" BASIS, 18 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 19 // See the License for the specific language governing permissions and 20 // limitations under the License. 21 22 #ifndef _ROM_BIGINT_H_ 23 #define _ROM_BIGINT_H_ 24 25 #include <stdint.h> 26 #include <stdbool.h> 27 28 #ifdef __cplusplus 29 extern "C" { 30 #endif 31 32 //TODO: add comment here 33 void ets_bigint_enable(void); 34 35 void ets_bigint_disable(void); 36 37 void ets_bigint_wait_finish(void); 38 39 bool ets_bigint_mod_power_prepare(uint32_t *x, uint32_t *y, uint32_t *m, 40 uint32_t m_dash, uint32_t *rb, uint32_t len, bool again); 41 42 bool ets_bigint_mod_power_getz(uint32_t *z, uint32_t len); 43 44 bool ets_bigint_mult_prepare(uint32_t *x, uint32_t *y, uint32_t len); 45 46 bool ets_bigint_mult_getz(uint32_t *z, uint32_t len); 47 48 bool ets_bigint_montgomery_mult_prepare(uint32_t *x, uint32_t *y, uint32_t *m, 49 uint32_t m_dash, uint32_t len, bool again); 50 51 bool ets_bigint_montgomery_mult_getz(uint32_t *z, uint32_t len); 52 53 bool ets_bigint_mod_mult_prepare(uint32_t *x, uint32_t *y, uint32_t *m, 54 uint32_t m_dash, uint32_t *rb, uint32_t len, bool again); 55 56 bool ets_bigint_mod_mult_getz(uint32_t *m, uint32_t *z, uint32_t len); 57 58 #ifdef __cplusplus 59 } 60 #endif 61 62 #endif /* _ROM_BIGINT_H_ */ 63
