[xeroxmalf]

It actually does require sed, and either python or openssl.

"Requirements

bash curl sed openssl or python"

[jingo]

"GNU sed" has "features" not always found in all other sed's elsewhere, outside of GNU/Linux.

You can substitute other tcp clients for curl.

And the openssl binary is ubiquitous, so he is smart to use it for generating base64 versus other userland utilities for generating base64 that are not always found outside of GNU/Linux.