> My understanding is that to convert the form of ecc key from compressed to > uncompressed and from uncompressed to compressed require the knowledge of > the ECC private key. > Is my understanding correct?
You might want to have a look at sections 2.3.3 and 2.3.4 in http://www.secg.org/download/aid-780/sec1-v2.pdf No knowledge of the private key is needed. Regards, Martin ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org