ECIES messages have a public key/point at start of the data. It can be either uncompressed or compressed. Adding support for decrypting and encrypting of compressed point.
The wolfSSL manual is available at: http://www.wolfssl.com/documentation/wolfSSL-Manual.pdf The wolfSSL API guide is available at: https://www.wolfssl.com/doxygen/wolfssl_API.html The wolfCrypt API guide is available at: https://www.wolfssl.com/doxygen/wolfcrypt_API.html