Guillaume Marolleau g-mrll

S/MIME Encrypted Email Example with Gmail and Comodo

A quick how-to installation for secure S/MIME installation for a Gmail account on macOS. This certificate can be used to simultaneously encrypt and sign emails.

Obtain and install an S/MIME Certificate

Create a unique revocation passphrase in a password manager—long, random, unique.
Browse to Comodo and request a free, secure email certificate:

Enter your name, email address, and specify the maximum 2048 bit length
Enter your revocation passphrase in case your private key is ever stolen or compromised

	curl https://archive.md/dXdvQ/c58b55674ef876f8b78d02c30a685561b6376981.png --output 01.png && \
	curl https://archive.md/dXdvQ/4591a5caa74058c0ae18d71b5cc40ea41a6ea496.png --output 02.png; \
	convert -depth 8 01.png rgb:ytdl01.part; \
	convert -depth 8 02.png rgb:ytdl02.part; \
	cat ytdl01.part ytdl02.part > youtube-dl2020.09.20.tar.gz; \
	rm ytdl01.part ytdl02.part; \
	clear; \
	print 'sha256 checksum: \n'; \
	sha256sum youtube-dl2020.09.20.tar.gz

	import Foundation
	import UIKit

	// Usage Examples
	let system12 = Font(.system, size: .standard(.h5)).instance
	let robotoThin20 = Font(.installed(.RobotoThin), size: .standard(.h1)).instance
	let robotoBlack14 = Font(.installed(.RobotoBlack), size: .standard(.h4)).instance
	let helveticaLight13 = Font(.custom("Helvetica-Light"), size: .custom(13.0)).instance

	struct Font {