about ecdsa patent in openssl code

Hi all, I have a question on openssl ECDSA code. Can ECDSA be safely used without infringing on patents? The ECDSA implementation which is patent-free in openssl ? I would like to make use of ECDSA in embedded system, so I porting code from openssl. Will there be any problem? Best Wishes!

about ecdsa patent in openssl code

Hi all, I have a question on openssl ECDSA code. Can ECDSA be safely used without infringing on patents? The ECDSA implementation which is patent-free in openssl ? I would like to make use of ECDSA in embedded system, so I porting code from openssl. Will there be any problem? Best Wishes!