@article{SMBlog:2015-12-22,
	author = {Steven M. Bellovin},
	title = {Cryptography is Hard},
	date = {2015-12-22},
	year = {2015},
	month = {December 22,},
	journal = {SMBlog: Steve Bellovin's Blog (blog)},
	url = {https://www.cs.columbia.edu/~smb/blog/2015-12/2015-12-22.html},
}