Hello,

There's a C implementation at https://github.com/bitcoin-core/secp256k1 . I need help on code to compute basic operations i.e point addition, double and multiplication in C language.

The inputs / outputs must be in the form of hex. A little performance drop is acceptable.

Bounty at 12345E6kXHSKsrWJ3VLa4QBRF6UWraawU4 .
Thank you.