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The Great SIM Heist: How Spies Stole the Keys to the Encryption Castle

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Re: The Great SIM Heist: How Spies Stole the Keys to the Encryption Castle

#5
post #4

This is yet another good argument for TextSecure and RedPhone, which don't depend on the SIM card encryption. https://whispersystems.org/

Yet they do depend on a good RNG, don't they? Is that a given on common smartphones these days?

Re: The Great SIM Heist: How Spies Stole the Keys to the Encryption Castle

#8
post #4

This is yet another good argument for TextSecure and RedPhone, which don't depend on the SIM card encryption. https://whispersystems.org/

Yet they do depend on a good RNG, don't they? Is that a given on common smartphones these days?

I'm not sure about hardware RNG, but many if not most phones have sources of 'random' enviornmental data they can use to generate a random number such as cameras and phone movement.

https://security.stackexchange.com/questions/42428/is-genera...

Re: The Great SIM Heist: How Spies Stole the Keys to the Encryption Castle

#10
>>The document noted that many SIM card manufacturers transferred the encryption keys to wireless network providers “by email or FTP with simple encryption methods that can be broken … or occasionally with no encryption at all.”

If that's true, then NSA/GCHQ aren't the only people who could have grabbed a big pile of keys.

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