Tagencryption

February 17, 2016

Security, backdoors and control.

By laura
3 Min read
1 comment
17February

The FBI may use different words to describe this tool, but make no mistake: Building a version of iOS that bypasses security in this way would undeniably create a backdoor. And while the government may argue that its use would be limited to this case, there is no way to guarantee such control. Apple letter to customers Encryption is a way to keep private information private in the digital world...

September 17, 2014

Cryptography with Alice and Bob

By steve
3 Min read
8 comments
17September

Untrusted Communication Channels This is a story about Alice and Bob. Alice wants to send a private message to Bob, and the only easy way they have to communicate is via postal mail. Unfortunately, Alice is pretty sure that the postman is reading the mail she sends. That makes Alice sad, so she decides to find a way to send messages to Bob without anyone else being able to read them. Symmetric...

September 16, 2014

Cryptography and Email

By steve
3 Min read
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16September

A decade or so ago it was fairly rare for cryptography and email technology to intersect – there was S/MIME (which I’ve seen described as having “more implementations than users”) and PGP, which was mostly known for adding inscrutable blocks of text to mail and for some interesting political fallout, but not much else. That’s changing, though. Authentication and...

May 15, 2014

TLS and Encryption

By steve
4 Min read
4 comments
15May

Yesterday I talked about STARTTLS deployment, and how it was a good thing to support to help protect the privacy of your recipients. STARTTLS is just one aspect of protecting email from eavesdropping; encrypting traffic as the mail is being sent or read and encrypting the message itself using PGP or S/MIME are others. This table shows what approaches protect messages at different stages of the...

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