50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/*
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ROM functions for hardware bigint support.
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It is not recommended to use these functions directly,
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use the wrapper functions in hwcrypto/mpi.h instead.
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*/
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _ROM_BIGINT_H_
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#define _ROM_BIGINT_H_
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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void ets_bigint_enable(void);
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void ets_bigint_disable(void);
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int ets_bigint_multiply(const uint32_t *x, const uint32_t *y, uint32_t len_words);
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int ets_bigint_modmult(const uint32_t *x, const uint32_t *y, const uint32_t *m, uint32_t m_dash, const uint32_t *rb, uint32_t len_words);
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int ets_bigint_modexp(const uint32_t *x, const uint32_t *y, const uint32_t *m, uint32_t m_dash, const uint32_t *rb, bool constant_time, uint32_t len_words);
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void ets_bigint_wait_finish(void);
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int ets_bigint_getz(uint32_t *z, uint32_t len_words);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ROM_BIGINT_H_ */
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