概述
描述
Topics
The RSA, AES, and SHA libraries for the RX family now support SBOM.
While network technology and digital devices have improved in terms of performance and convenience, there is also a growing concern about security issues such as data eavesdropping, tampering, privacy violations, and unauthorized copying of copyrighted works.
Renesas provides robust cryptographic libraries for the development of various systems that require security.
特性
- RZ/A1H Group Cryptographic Software Library
- RSA Library
- AES Library
- SHA Library
- Learn More
发布信息
| Target Device | Product Name | Supported Compilers | Latest Ver. / Released | Providing Method |
|---|---|---|---|---|
| RZ/A1H Group | RZ/A1H Group Cryptographic Software Library | Arm® Compiler v5 | Latest Ver.: V.1.01 Release 00 Released: Jan. 26, 2015 | Contact us |
| RL78 Family *1 | RSA Library for RL78 Family | CC-RL, IAR, LLVM | Latest Ver.: V.2.01 Release 00 Released: Jun. 30, 2022 | Download: RL78 Family RSA Library: Introduction Guide Rev.2.01 - Sample Code (ZIP) |
| AES Library for RL78 Family | Latest Ver.: V.2.01 Release 00 Released: Jun. 30, 2022 | Download: RL78 Family AES Library: Introduction Guide Rev.2.01 - Sample Code (ZIP) | ||
| SHA Library for RL78 Family | Latest Ver.: V.2.03 Release 00 Released: Aug. 1, 2025 | Download: RL78 Family SHA Hash Function Library: Introduction Guide Rev.2.03 - Sample Code (ZIP) | ||
| RL78/G24 FAA *1 | AES Library for RL78/G24 FAA | CC-RL, IAR | Latest Ver.: V.1.01 Release 00 Released: Aug. 1, 2025 | Download: RL78/G24 FAA AES Library Introduction Guide Rev.1.01 - Sample Code (ZIP) |
| SHA Library for RL78/G24 FAA *2 | Latest Ver.: V.2.03 Release 00 Released: Aug. 1, 2025 | Download: RL78 Family SHA Hash Function Library: Introduction Guide Rev.2.03 - Sample Code (ZIP) | ||
| RX Family | RSA Library for RX Family | CC-RX, GCC, IAR | Latest Ver.: V.1.06 Release 00 Released: Apr. 20, 2026 | Download: RX Family RSA Library Firmware Integration Technology Rev.1.06 - Sample Code (ZIP) |
| AES Library for RX Family | Latest Ver.: V.1.09 Release 00 Released: Apr. 20, 2026 | Download: RX Family AES Library Firmware Integration Technology Rev.1.09 - Sample Code (ZIP) | ||
| SHA Library for RX Family | Latest Ver.: V.1.07 Release 00 Released: Apr. 20, 2026 | Download: RX Family SHA Library Firmware Integration Technology Rev.1.07 - Sample Code (ZIP) |
*1.It can not be used for automotive applications.
*2.This library is included in the release package of the SHA Library for RL78 family.
目标设备
文档
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| 类型 | 文档标题 | 日期 |
| 应用说明 |
PDF
296 KB
日本語
"This document is an application note for the RX Family AES Library Firmware Integration Technology.
This application note describes the configuration, API information, and usage of the RX AES Library, as well as sample application programs included in this package.
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| 应用说明 |
PDF
229 KB
日本語
This document is an application note for the RX Family RSA Library Firmware Integration Technology.
This application note describes the configuration, API information, and usage of the RX RSA Library, as well as sample application programs included in this package.
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PDF
244 KB
日本語
This document is an application note for the RX Family SHA Library Firmware Integration Technology.
This application note describes the configuration, API information, and usage of the RX SHA Library, as well as sample application programs included in this package.
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| 应用说明 |
PDF
1.20 MB
日本語
Describes the procedures for migrating the driver and middleware sample code projects to other RL78 family devices.
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| 应用说明 |
PDF
522 KB
日本語
AI 生成的摘要:
The RL78 Family SHA Hash Function Library includes various source files, sample programs, and documentation to support SHA-1 and SHA-256 hash functions. It provides API functions to generate SHA-1 and SHA-256 hash digests, with SHA-256 support enhanced when combined with the RL78/G24 FAA accelerator. The library supports specific compiler environments and requires building designated source files depending on the API used. The FAA accelerator improves SHA processing speed and supports only SHA-256 with certain compilers.
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PDF
549 KB
日本語
AI 生成的摘要:
The RL78/G24 FAA AES library enables efficient AES cryptographic processing on the RL78 MCU by leveraging the Flexible Application Accelerator (FAA) with Harvard architecture. It supports AES encryption and decryption with 128-bit and 256-bit keys in ECB and CBC modes. The library integrates with Smart Configurator for code generation and provides various API functions for key scheduling and cryptographic operations. The package includes sample programs, user manuals, and project files compatible with CS+, e2 studio, and IAR development environments, facilitating easy integration and development.
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PDF
303 KB
日本語
AI 生成的摘要:
The AES Library for RL78 Family MCUs provides hardware-optimized AES encryption and decryption functions supporting 128-bit and 256-bit keys in ECB and CBC modes, along with a GCM library for Galois/Counter Mode operations. It supports RL78 MCUs with S2 and S3 cores, excluding smaller memory variants like RL78/G10. The package includes source code, header files, sample projects for various development environments (CC-RL, IAR, LLVM), and detailed API functions for encryption, decryption, and key scheduling. Users must select appropriate source files based on the API functions they intend to use. The library is fully tuned in assembly for performance and memory efficiency.
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PDF
245 KB
日本語
AI 生成的摘要:
The RSA Library for RL78 Family MCUs provides software functions for RSA encryption, including signature generation, verification, and modular exponentiation. It is optimized with assembly language for performance and supports RL78/G14 and RL78/G23 devices. The library includes source code, sample projects for various IDEs (CS+, e2 studio, IAR, LLVM), and detailed API functions. Memory usage, stack size, and performance metrics such as processing times for 2048-bit keys are specified, enabling efficient cryptographic operations on embedded systems.
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| 工具新闻 - 注意事项 | PDF 121 KB 日本語 | |
9 项目
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设计和开发
样例程序
样例程序
筛选
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| 类型 | 文档标题 | 日期 日期 |
| 示例代码 | RX Family AES Library Firmware Integration Technology Rev.1.09 - Sample Code
[Toolchains=CC-RX|V3.04.00;GNURX|8.3.0.202104;IAR Compiler for RX|v.4.20.3]
ZIP
9.48 MB
应用:
工业, 消费电子产品
Compiler:
CC-RX, GNURX
Function:
Security, Driver or Library
IDE:
e2 studio, IAR EWRX, ICCRX
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| 示例代码 | RX Family RSA Library Firmware Integration Technology Rev.1.06 - Sample Code
[Toolchains=CC-RX|V3.04.00;GNURX|8.3.0.202104;IAR Compiler for RX|v.4.20.3]
ZIP
9.35 MB
应用:
工业, 消费电子产品
Compiler:
CC-RX, GNURX, ICCRX
Function:
Security, Driver or Library
IDE:
e2 studio
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| 示例代码 | RX Family SHA Library Firmware Integration Technology Rev.1.07 - Sample Code
应用:
消费电子产品
Compiler:
CC-RX, GNURX, ICCRX
Function:
Driver or Library, Security
IDE:
CS+, e2 studio, IAR EWRX
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| 示例代码 | RL78 Family SHA Hash Function Library: Introduction Guide Rev.2.03 - Sample Code
[Toolchains=CC-RL|V1.09.00;CC-RL|V1.12.01;IAR Compiler for RL78|v.4.20.1.2260;IAR Compiler for RL78|v.5.20.1.2826;LLVM for Renesas RL78|10.0.0.202203]
ZIP
12.00 MB
应用:
工业
Compiler:
CC-RL, ICCRL78, LLVM
Function:
Driver or Library, Security
IDE:
CS+, e2 studio, IAR EWRL78
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| 示例代码 | RL78/G24 FAA AES Library Introduction Guide Rev.1.01 - Sample Code
[Toolchains=CC-RL|V1.12.01;IAR Compiler for RL78|v.5.20.1.2826]
ZIP
6.52 MB
应用:
安全性, 工业
Compiler:
CC-RL, ICCRL78
Function:
Driver or Library, Security
IDE:
CS+ for CC, e2 studio, IAR EWRL78
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| 示例代码 | RL78 Family AES Library: Introduction Guide Rev.2.01 - Sample Code
[Toolchains=CC-RL|V1.09.00;LLVM for Renesas RL78|10.0.0.202203;IAR Compiler for RL78|v.4.20.1.2260]
ZIP
7.10 MB
应用:
工业
Compiler:
CC-RL, ICCRL78, LLVM for Renesas RL78
Function:
Security
IDE:
CS+ for CC, e2 studio, IAR EWRL78
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| 示例代码 | RL78 Family RSA Library: Introduction Guide Rev.2.01 - Sample Code
[Toolchains=CC-RL|V1.09.00;LLVM for Renesas RL78|10.0.0.202203;IAR Compiler for RL78|v.4.20.1.2260]
ZIP
7.14 MB
应用:
工业
Compiler:
CC-RL, ICCRL78, LLVM for Renesas RL78
Function:
Security, Driver or Library
IDE:
CS+ for CC, e2 studio, IAR EWRL78
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7 项目
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Additional Details
Purpose
- Electronic Commerce
- Network Security
- Device Authentication
- Content Protection
- Tamper-Proofing
- Confidential Information Protection
etc.
Function
We offer cryptographic libraries for Renesas MCUs that perform software processing.
Library
| Type | Function | Target Devices | Supported Compilers |
|---|---|---|---|
| AES Library | AES encryption with a key length of 128/256 bits. Supported operation modes are ECB, CBC mode, and GCM (Galois/Counter mode). | RL78 Family *1 | CC-RL, IAR, LLVM |
| RL78/G24 FAA *1 *2 | CC-RL, IAR | ||
| RX Family | CC-RX, GCC, IAR | ||
| Hash Function Library | SHA-1, SHA-256, and SHA-384 (SHA-384 is only available for the RX family) Initial values are set and padding data is added within the library for ease of use. | RL78 Family *1 | CC-RL, IAR, LLVM |
| RL78/G24 FAA *1 *3 | CC-RL, IAR | ||
| RX Family | CC-RX, GCC, IAR | ||
| RSA Library | Key length: Maximum 2048 bits Encryption/decryption method RSAES-PKCS1-V1_5 Signature generation/verification method RSASSA-PKCS1-V1_5 Exponential remainder operation | RL78 Family *1 | CC-RL, IAR, LLVM |
| RX Family | CC-RX, GCC, IAR |
*1. It can not be used for automotive applications.
*2. It does not support GCM (Galois/Counter Mode).
*3. It only supports SHA-256.
Related Products
Driver
| Product Name | Function | Target Devices |
|---|---|---|
| AES Coprocessor Driver | High-speed execution of AES algorithm with HW | RX140(Part of a product), RX63N, RX64M, RX71M, and RX651/RX65N (ROM 1 Mbyte) groups |
| RNG Driver | Random Number Generate | RX140(Part of a product), RX63N, RX64M, RX71M, and RX651/RX65N (ROM 1 Mbyte) groups |
| SHA Coprocessor Driver | High-speed execution of SHA algorithm with HW | RX63N, RX64M, RX71M, and RX651/RX65N (ROM 1 Mbyte) groups |
| DES Coprocessor Driver | High-speed execution of DES algorithm with HW | RX63N, RX64M, RX71M, and RX651/RX65N (ROM 1 Mbyte) groups |
图像
How to Obtain
Cryptographic libraries for Renesas MCUs that perform software processing can be downloaded from this page (except for some MCUs). Please download and use the sample code.
Cryptographic libraries or hardware accelerator drivers that are not available for download are provided to customers who are using or planning to use Renesas MCUs. Please contact your Renesas Electronics sales representative.
Target Devices
- RL78 Family * It can not be used for automotive applications
- RX Family
Please refer to Function for details.
支持
知识库
- RZ/A1组: Secure的功能
RZ/A1 系列没有内置的硬件Secure的功能。不过，我们有免费的非保证 Crypto Library 软件，可通过我们的销售代表提供。
2023年12月4日
