Pointer format style.
size_t-ification and overflow checking.
mkerr.pl on v3_scts.c again.
Access X509_CINF members directly.
No need to call i2d functions twice.
Pass the issuer certificate to SCT_verify rather than the issuer public key.
Fix sct_encode_precerttbs.
Auto-detect cert_type within SCT_verify based on the presence of the CT poison extension.