Dear Trusted Firmware,

I’m Jay, an embedded security firmware developer at Hyosung TNShttps://global.hyosunginnovue.com/?lang_switch.

We are a company that manufactures ATMs. For cryptographic communication between ATM PC software and ATM devices, we are looking for a cryptographic library to apply to ATM devices(e.g. cash dispenser). If there is an appropriate library that meets the requirements below, I would appreciate it if you could provide us an estimate. If custom development is required, I would also like to know the expected development period.

[Development environment] - CPU : TI AM1806(ARM9) - Compiler : ARM DS-5(armcc) - RTOS : ThreadX - C language - No dynamic allocation - VFP(Vectored Floating Point) not supported

[Security Features] - RSA(2048bits) : Certificate and signature verification, Data encryption and decryption - ECC(256bits) : Generating a symmetric key using ECDH and ECDSA - 3DES, AES, AEAD, SHA256, HMAC256, etc : Algorithms related to data encryption and decryption - Random : Prevent replay attacks

Please contact me if you have any questions.

Best Regards, Jay

[cid:image001.png@01DAE289.1B3D4C90]

Jaewhan Shin Performance Manager | CISSP | Firmware Development Team

Suseo Bldg., 281, Gwangpyeong-ro, Gangnam-gu, Seoul, 06349 Korea t. 82-2-6181-2480, m. 82-10-8158-3015 e. jaewhan.shin@hyosung.commailto:jaewhan.shin@hyosung.com hyosunginnovue.comhttps://hyosunginnovue.com/ [cid:image002.png@01DAE289.1B3D4C90]https://www.linkedin.com/company/hyosung-tns/ [cid:image003.png@01DAE289.1B3D4C90] https://www.youtube.com/@hyosungtns3918

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