BuildCertFuncMap build a template.FuncMap with some extras.

Colorize colorizes the given string.

ExtKeyUsage returns extended key usage string from a certificate.

Hexadecimalize returns a colon separated, hexadecimal representation of a given byte array.

HighlightAlgorithm changes the color of the signing algorithm.

KeyUsage returns key usage string from a certificate.

NotAfter takes a given NotAfter time of a certificate and returns that colorized time properly based on how close it is to expiry.

NotBefore takes a given NotBefore time of a certificate and returns that colorized time properly based on how.

OidDesc returns a human-readable name, a short acronym from RFC1485, a snake_case slug suitable as a json key, and a boolean describing whether multiple copies can appear on an X509 cert.