2025-09-30 11:56:06 +08:00
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/*
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* Copyright (c) 2022-2024, ArtInChip Technology Co., Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Authors: Xiong Hao <hao.xiong@artinchip.com>
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*/
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#ifndef _RSA_PAD_H_
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#define _RSA_PAD_H_
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#define RSA_PKCS1_PADDING 1
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#define RSA_NO_PADDING 2
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#define RSA_PKCS1_PADDING_SIZE 11
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/*
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* Reference openssl-1.1.1m rsa_pk1.c code and "RFC8017 : PKCS #1: RSA
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* Cryptography Specifications Version 2.2" implementation.
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*/
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int rsa_padding_add_pkcs1_type_1(unsigned char *to, int tlen,
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const unsigned char *from, int flen);
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int rsa_padding_check_pkcs1_type_1(unsigned char *to, int tlen,
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const unsigned char *from, int flen,
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int num);
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/*
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* PKCS#1 v1.5 encryption. See "RFC8017: PKCS #1: RSA Cryptography
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* Specifications Version 2.2" section 7.2.1.,
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*/
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int rsa_padding_add_pkcs1_type_2(unsigned char *to, int tlen,
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const unsigned char *from, int flen);
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/*
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* PKCS#1 v1.5 decryption. See "RFC8017: PKCS #1: RSA Cryptography
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* Specifications Version 2.2" section 7.2.2.,
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*/
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int rsa_padding_check_pkcs1_type_2(unsigned char *to, int tlen,
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const unsigned char *from, int flen,
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int num);
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int rsa_padding_add_none(unsigned char *to, int tlen, const unsigned char *from,
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int flen);
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int rsa_padding_check_none(unsigned char *to, int tlen,
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const unsigned char *from, int flen, int num);
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#endif
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