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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/external/nrf_oberon/include/occ_rsa_key.h')
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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/nrf_oberon/include/occ_rsa_key.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/nrf_oberon/include/occ_rsa_key.h new file mode 100644 index 0000000..9e68504 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/nrf_oberon/include/occ_rsa_key.h @@ -0,0 +1,236 @@ +/** + * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +/**@file + * RSA is a number theoretic public-key encryption and signature algorithm. + * + * These functions suport the setup of 1024 and 4069 RSA secret and public keys. + */ + +#ifndef OCC_RSA_KEY_H +#define OCC_RSA_KEY_H + +#include <stdint.h> + +#include "nrf.h" +#if defined(NRF51) +#error "Oberon library currently doesn't support RSA for NRF51" +#endif + +/** + * The Public RSA Exponent. + */ +#define PUB_EXP 65537 // 2^16 + 1 + + +/**@name 1024 Bit RSA Keys. + * + * This group of keys is used for 1024 bit RSA. + */ +/**@{*/ +/** + * 1024 bit RSA public key + */ +typedef struct { + uint32_t n[32]; + // e = 65537 +} occ_rsa1024_pub_key; + +/** + * 1024 bit RSA secret key + */ +typedef struct { + uint32_t n[32]; + uint32_t d[32]; // x^(e*d) mod n == x +} occ_rsa1024_key; + +/** + * 1024 bit RSA secret key with CRT coefficients + */ +typedef struct { + uint32_t n[32]; + uint32_t p[16], q[16]; // primes, p*q = n + uint32_t dp[16], dq[16]; // d mod (p-1), d mod (q-1) + uint32_t qinv[16]; // 1/q mod p +} occ_rsa1024_crt_key; +/**@}*/ + + +/**@name 2048 Bit RSA Keys. + * + * This group of keys is used for 2048 bit RSA. + */ +/**@{*/ +/** + * 2048 bit RSA public key + */ +typedef struct { + uint32_t n[64]; + // e = 65537 +} occ_rsa2048_pub_key; + +/** + * 2048 bit RSA secret key + */ +typedef struct { + uint32_t n[64]; + uint32_t d[64]; // x^(e*d) mod n == x +} occ_rsa2048_key; + +/** + * 2048 bit RSA secret key with CRT coefficients + */ +typedef struct { + uint32_t n[64]; + uint32_t p[32], q[32]; // primes, p*q = n + uint32_t dp[32], dq[32]; // d mod (p-1), d mod (q-1) + uint32_t qinv[32]; // 1/q mod p +} occ_rsa2048_crt_key; +/**@}*/ + +/**@name 1024 Bit RSA key setup. + * + * This group of functions is used for 1024 bit RSA key setup. + */ +/**@{*/ +/** + * 1024 bit RSA public key setup. + * + * @param[out] k The initialzed public key. + * @param n,nlen The RSA modulus. Must be exactly 1024 bits. + * + * @retruns -1 If the input length is not correct + * @returns 0 Otherwise. + + * @remark The public exponent is fixed at 65537. + */ +int occ_rsa1024_init_pub_key (occ_rsa1024_pub_key *k, + const uint8_t *n, int nlen); + +/** + * 1024 bit RSA secret key setup. + * + * @param[out] k The initialzed public key. + * @param n,nlen The RSA modulus. Must be exactly 1024 bits. + * @param d,dlen The secret exponent. Must be <= 1024 bits. + * + * @retruns -1 If the input length is not correct + * @returns 0 Otherwise. + */ +int occ_rsa1024_init_key (occ_rsa1024_key *k, + const uint8_t *n, int nlen, + const uint8_t *d, int dlen); + +/** + * 1024 bit RSA secret key setup with CRT coefficients. + * + * @param[out] k The initialzed secret key. + * @param p,plen The 1. RSA prime. Must be exactly 512 bits. + * @param q,qlen The 2. RSA prime. Must be exactly 512 bits. + * @param dp,dplen The 1. CRT exponent. dp = d mod (p-1). + * @param dq,dqlen The 2. CRT exponent. dq = d mod (q-1). + * @param qinv,qilen The CRT coefficient. qinv = 1/q mod p. + * + * @retruns -1 If the input length is not correct + * @returns 0 Otherwise. + */ +int occ_rsa1024_init_crt_key (occ_rsa1024_crt_key *k, + const uint8_t *p, int plen, + const uint8_t *q, int qlen, + const uint8_t *dp, int dplen, + const uint8_t *dq, int dqlen, + const uint8_t *qinv, int qilen); +/**@}*/ + +/**@name 2048 Bit RSA key setup. + * + * This group of functions is used for 2048 bit RSA key setup. + */ +/**@{*/ +/** + * 2048 bit RSA public key setup. + * + * @param[out] k The initialzed public key. + * @param n,nlen The RSA modulus. Must be exactly 2048 bits. + * + * @retruns -1 If the input length is not correct + * @returns 0 Otherwise. + + * @remark The public exponent is fixed at 65537. + */ +int occ_rsa2048_init_pub_key (occ_rsa2048_pub_key *k, + const uint8_t *n, int nlen); + +/** + * 2048 bit RSA secret key setup. + * + * @param[out] k The initialzed public key. + * @param n,nlen The RSA modulus. Must be exactly 2048 bits. + * @param d,dlen The secret exponent. Must be <= 2048 bits. + * + * @retruns -1 If the input length is not correct + * @returns 0 Otherwise. + */ +int occ_rsa2048_init_key (occ_rsa2048_key *k, + const uint8_t *n, int nlen, + const uint8_t *d, int dlen); + +/** + * 2048 bit RSA secret key setup with CRT coefficients. + * + * @param[out] k The initialzed secret key. + * @param p,plen The 1. RSA prime. Must be exactly 1024 bits. + * @param q,qlen The 2. RSA prime. Must be exactly 1024 bits. + * @param dp,dplen The 1. CRT exponent. dp = d mod (p-1). + * @param dq,dqlen The 2. CRT exponent. dq = d mod (q-1). + * @param qinv,qilen The CRT coefficient. qinv = 1/q mod p. + * + * @retruns -1 If the input length is not correct + * @returns 0 Otherwise. + */ +int occ_rsa2048_init_crt_key (occ_rsa2048_crt_key *k, + const uint8_t *p, int plen, + const uint8_t *q, int qlen, + const uint8_t *dp, int dplen, + const uint8_t *dq, int dqlen, + const uint8_t *qinv, int qilen); +/**@}*/ + +#endif |