https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-ECC-ECDSA-ECDH/m-p/2177120#M58824 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/241074">@Tedlai99</a>&nbsp;</P> <P>The LPC55S69 microcontroller includes hardware acceleration for ECC-based cryptographic operations through its CASPER and HASHCRYPT modules. These accelerators significantly improve performance for ECC algorithms, including:</P> <P>- ECDSA (Elliptic Curve Digital Signature Algorithm)</P> <P>Supported for signing and verification using secp256r1 curve.</P> <P>- ECDH (Elliptic Curve Diffie-Hellman)</P> <P>Supported for key exchange using secp256r1.</P> <P>For more, see UM11126, Chapter 49 CASPER</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ZhangJennie_0-1759217228736.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/359009iE5D17E5449DC041A/image-size/medium?v=v2&amp;px=400" role="button" title="ZhangJennie_0-1759217228736.png" alt="ZhangJennie_0-1759217228736.png" /></span></P> <P>&nbsp;</P> <P>Hope this will help you,</P> <P>Jun Zhang</P> Tue, 30 Sep 2025 07:28:05 GMT ZhangJennie 2025-09-30T07:28:05Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-ECC-ECDSA-ECDH/m-p/2176326#M58813 <P>Hello</P><P>just see the&nbsp; LPC55S69 support ECC function, does it mean include the ECDSA、ECDH support also?</P> Fri, 26 Sep 2025 06:46:25 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-ECC-ECDSA-ECDH/m-p/2176326#M58813 Tedlai99 2025-09-26T06:46:25Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-ECC-ECDSA-ECDH/m-p/2177120#M58824 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/241074">@Tedlai99</a>&nbsp;</P> <P>The LPC55S69 microcontroller includes hardware acceleration for ECC-based cryptographic operations through its CASPER and HASHCRYPT modules. These accelerators significantly improve performance for ECC algorithms, including:</P> <P>- ECDSA (Elliptic Curve Digital Signature Algorithm)</P> <P>Supported for signing and verification using secp256r1 curve.</P> <P>- ECDH (Elliptic Curve Diffie-Hellman)</P> <P>Supported for key exchange using secp256r1.</P> <P>For more, see UM11126, Chapter 49 CASPER</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ZhangJennie_0-1759217228736.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/359009iE5D17E5449DC041A/image-size/medium?v=v2&amp;px=400" role="button" title="ZhangJennie_0-1759217228736.png" alt="ZhangJennie_0-1759217228736.png" /></span></P> <P>&nbsp;</P> <P>Hope this will help you,</P> <P>Jun Zhang</P> Tue, 30 Sep 2025 07:28:05 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-ECC-ECDSA-ECDH/m-p/2177120#M58824 ZhangJennie 2025-09-30T07:28:05Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-ECC-ECDSA-ECDH/m-p/2180433#M58840 <P>Thanks a lot</P> Mon, 06 Oct 2025 08:35:03 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-ECC-ECDSA-ECDH/m-p/2180433#M58840 Tedlai99 2025-10-06T08:35:03Z