/posts/ Exuslab (Posts) Hugo -- gohugo.io en-us Sun, 03 Aug 2025 15:51:49 +0800 /posts/tpm2-note/ Sun, 03 Aug 2025 15:51:49 +0800 /posts/tpm2-note/ <hr> <p>最近使用開發infineon家的TPM2.0筆記 <br> <br> SLB9670/SLM9670給Raspberry用的TPM2.0模組加密演算法支援比較少<br> 規格:</p> <ol> <li>CPU: 16bit</li> <li>NV memory 6962 Bytes</li> </ol> <br> 加密演算法僅支援:<br> Asymmetric Cryptography :<br> <ol> <li>ECC / ECC BN-256 / ECC NIST P-256 / ECC256 / ECDH</li> <li>RSA1024 / RSA2048</li> </ol> Symmetric Cryptography :<br> <ol> <li>HMAC / SHA-1 / SHA-256</li> </ol> <p><br/><br/> OPTIGA TPM SLB9672FW16/SLB9673FW26給Raspberry用的TPM2.0模組加密演算法支援比較多且支援AES對稱加密<br> 有兩張PI使用開發版 <a href="https://www.mouser.tw/c/embedded-solutions/engineering-tools/analog-digital-ic-development-tools/security-authentication-development-tools/?m=Infineon&amp;instock=y">參考連結</a></p> <ol> <li>SLB 9673 RPI evaluation board </li> <li>SLB 9672 RPI evaluation board</li> </ol> <p>規格:</p> <ol> <li>CPU: 32bit</li> <li>NV memory: 51 kByte</li> </ol> <br> 加密演算法僅支援:<br> Asymmetric Cryptography :<br> <ol> <li>ECC NIST P256, ECC BN256, ECC NIST P384</li> <li>RSA1024, RSA2048, RSA3072, RSA4096, </li> </ol> Symmetric Cryptography :<br> <ol> <li>HMAC, SHA-1, SHA2-256, SHA2-384, AES-128, AES-192, AES-256 </li> </ol> <br> <p>開發會遇到問題<br/> 用tpm2_getcap commands指令查<br/> 9670系列會沒有TPM2_CC_EncryptDecrypt, TPM2_CC_EncryptDecrypt2<br> 會不支援AES對稱加密<br></p> <br/> <br/> <p><a href="https://www.infineon.com/products/security-smart-card-solutions/optiga-embedded-security-solutions/optiga-tpm">Infineon TPM2晶片列表</a><br/> <a href="https://community.infineon.com/t5/Knowledge-Base-Articles/Enabling-amp-testing-Infineon-OPTIGA-TPM-on-Raspberry-Pi-under-Linux/ta-p/623548">開發工具連結</a><br/> <a href="https://github.com/Infineon/eltt2">開發工具連結</a><br/></p>