86 lines
4.1 KiB
Plaintext
86 lines
4.1 KiB
Plaintext
/**
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@page PKA_ModularExponentiation PKA : Public Key Accelerator
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@verbatim
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******************************************************************************
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* @file Examples_LL/PKA/PKA_ModularExponentiation/readme.txt
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* @author MCD Application Team
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* @brief Description of the PKA_ModularExponentiation example.
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******************************************************************************
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*
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* Copyright (c) 2020 STMicroelectronics. All rights reserved.
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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@endverbatim
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@par Example Description
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How to use the low-layer PKA API to execute RSA modular exponentiation.
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Example execution:
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After startup from reset and system configuration, PKA configuration is performed.
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To demonstrate the RSA modular exponentiation, four file have been created using an
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external tool, openssl:
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Src/rsa_priv_2048.pem (Refer to rsa_priv_2048.c for its creation)
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Src/rsa_pub_2048.pem (extracted from rsa_priv_2048.pem. Refer to rsa_pub_2048.c
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for its creation)
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Src/plaintext.bin (Refer to plaintext.c for its creation)
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Src/cipher.bin (build from rsa_pub_2048.pem and plaintext.bin. Refer to
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plaintext.c for its creation)
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The example:
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Compute ciphertext.bin from plaintext.bin and rsa_pub_2048.pem (This is done
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with the public key)
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Compute plaintext.bin from ciphertext.bin and rsa_priv_2048.pem
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After successful sequence, LED2 is turned On.
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In case of errors, LED2 is slowly blinking (1sec period).
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@par Keywords
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Security, PKA, RSA, modular exponentiation, cipher ,decipher
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@par Directory contents
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- PKA/PKA_ModularExponentiation/Inc/stm32wlxx_it.h Interrupt handlers header file
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- PKA/PKA_ModularExponentiation/Inc/main.h Header for main.c module
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- PKA/PKA_ModularExponentiation/Inc/stm32_assert.h Template file to include assert_failed function
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- PKA/PKA_ModularExponentiation/Src/stm32wlxx_it.c Interrupt handlers
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- PKA/PKA_ModularExponentiation/Src/main.c Main program
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- PKA/PKA_ModularExponentiation/Src/system_stm32wlxx.c STM32WLxx system source file
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- PKA/PKA_ModularExponentiation/Src/plaintext.bin Random 2048 bits
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- PKA/PKA_ModularExponentiation/Src/plaintext.c Reflect the content of plaintext.bin in array format
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- PKA/PKA_ModularExponentiation/Inc/plaintext.h Header for plaintext.c
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- PKA/PKA_ModularExponentiation/Src/ciphertext.bin Ciphered plaintext.bin using openssl
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- PKA/PKA_ModularExponentiation/Src/ciphertext.c Reflect the content of ciphertext.bin in array format
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- PKA/PKA_ModularExponentiation/Inc/ciphertext.h Header for ciphertext.c
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- PKA/PKA_ModularExponentiation/Src/rsa_priv_2048.pem RSA private key generated using openssl
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- PKA/PKA_ModularExponentiation/Src/rsa_priv_2048.c Reflect the content of rsa_priv_2048.pem in array format
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- PKA/PKA_ModularExponentiation/Inc/rsa_priv_2048.h Header for rsa_priv_2048.c
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- PKA/PKA_ModularExponentiation/Src/rsa_pub_2048.pem RSA public key extracted from rsa_priv_2048.pem using openssl
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- PKA/PKA_ModularExponentiation/Src/rsa_pub_2048.c Reflect the content of rsa_pub_2048.pem in array format
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- PKA/PKA_ModularExponentiation/Inc/rsa_pub_2048.h Header for rsa_pub_2048.c
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@par Hardware and Software environment
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- This example runs on STM32WL55JCIx devices.
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- This example has been tested with NUCLEO-WL55JC RevC board and can be
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easily tailored to any other supported device and development board.
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@par How to use it ?
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In order to make the program work, you must do the following :
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- Open your preferred toolchain
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- Rebuild all files and load your image into target memory
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- Run the example and observe the LED status
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* <h3><center>© COPYRIGHT STMicroelectronics</center></h3>
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*/
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