Browsing Tag

encryption

General

Why We Encrypt

Posted on 25th June 2015

Encryption protects our data. It protects our data when it's sitting on our computers and in data centers, and it protects it when it's being transmitted around the Internet. It protects our conversations, whether video, voice, or text. It protects our privacy. It protects our anonymity. And sometimes, it protects our lives. This protection is important for everyone. It's easy to see how encryption protects journalists, human rights defenders, and political activists in authoritarian countries. But encryption protects the rest…

Tutorials

How to setup encrypted email on OS X with a digital certificate

Posted on 17th March 2015

One of the features the OS X Mail app offers is encrypted email. OS X Mail allows the user to send digitally signed or encrypted email to protect your electronic communications. I’ve written about digital certificates before. The idea is to use a special key — a digital certificate — to sign and encode your email so that only the intended recipient can read it. Encrypted email is a great way to send confidential information — passwords, social security numbers…

General

Email Self-Defense - a guide to fighting surveillance with GnuPG encryption

Posted on 15th January 2015

I found this infographic via Nicola Losito's web site. I think this infographic does an excellent job explaining how email encryption works. Read the full guide.…

Tutorials

iOS 5 Secure Mail

Posted on 18th October 2011

One of the least mentioned features of the new Mail app in iOS 5 is encrypted email. iOS 5 allows the user to send digitally signed or encrypted email to protect your electronic communications. I've written about digital certificates before on this blog. The idea is to use a unique key — a digital certificate — to sign and encode your email so that only the intended recipient can read it. I've wanted this feature in iOS for a while.…

Tutorials

Digital certificates and signatures

Posted on 14th October 2008

Digital signatures are one component of what is called a public key infrastructure ( PKI ). PKI provides mechanisms and process for ensuring the confidentiality and integrity of digital information. It allows someone to prove his/her online identity and that documents and communications ( e.g. email and banking transaction ) haven’t been tampered with.…

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