SSL and internet security news

Tag Archive: lies

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Whisper Tracks Users

The Guardian has reported that the app Whisper tracks users, and then published a second article explaining what it knows after Whisper denied the story. Here’s Whisper’s denial; be sure to also read the first comment from Moxie Marlinspike.

Slashdot thread. Hacker News thread.

EDITED TO ADD (10/22): Another Whisper explanation, and another Guardian article. An analysis.

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More Crypto Wars II

FBI Director James Comey again called for an end to secure encryption by putting in a backdoor. Here’s his speech:

There is a misconception that building a lawful intercept solution into a system requires a so-called “back door,” one that foreign adversaries and hackers may try to exploit.

But that isn’t true. We aren’t seeking a back-door approach. We want to use the front door, with clarity and transparency, and with clear guidance provided by law. We are completely comfortable with court orders and legal process — front doors that provide the evidence and information we need to investigate crime and prevent terrorist attacks.

Cyber adversaries will exploit any vulnerability they find. But it makes more sense to address any security risks by developing intercept solutions during the design phase, rather than resorting to a patchwork solution when law enforcement comes knocking after the fact. And with sophisticated encryption, there might be no solution, leaving the government at a dead end — all in the name of privacy and network security.

I’m not sure why he believes he can have a technological means of access that somehow only works for people of the correct morality with the proper legal documents, but he seems to believe that’s possible. As Jeffrey Vagle and Matt Blaze point out, there’s no technical difference between Comey’s “front door” and a “back door.”

As in all of these sorts of speeches, Comey gave examples of crimes that could have been solved had only the police been able to decrypt the defendant’s phone. Unfortunately, none of the three stories is true. The Intercept tracked down each story, and none of them is actually a case where encryption foiled an investigation, arrest, or conviction:

In the most dramatic case that Comey invoked — the death of a 2-year-old Los Angeles girl — not only was cellphone data a non-issue, but records show the girl’s death could actually have been avoided had government agencies involved in overseeing her and her parents acted on the extensive record they already had before them.

In another case, of a Louisiana sex offender who enticed and then killed a 12-year-old boy, the big break had nothing to do with a phone: The murderer left behind his keys and a trail of muddy footprints, and was stopped nearby after his car ran out of gas.

And in the case of a Sacramento hit-and-run that killed a man and his girlfriend’s four dogs, the driver was arrested in a traffic stop because his car was smashed up, and immediately confessed to involvement in the incident.

[…]

His poor examples, however, were reminiscent of one cited by Ronald T. Hosko, a former assistant director of the FBI’s Criminal Investigative Division, in a widely cited — and thoroughly debunked — Washington Post opinion piece last month.

In that case, the Post was eventually forced to have Hosko rewrite the piece, with the following caveat appended:

Editors note: This story incorrectly stated that Apple and Google’s new encryption rules would have hindered law enforcement’s ability to rescue the kidnap victim in Wake Forest, N.C. This is not the case. The piece has been corrected.

Hadn’t Comey found anything better since then? In a question-and-answer session after his speech, Comey both denied trying to use scare stories to make his point — and admitted that he had launched a nationwide search for better ones, to no avail.

This is important. All the FBI talk about “going dark” and losing the ability to solve crimes is absolute bullshit. There is absolutely no evidence, either statistically or even anecdotally, that criminals are going free because of encryption.

So why are we even discussing the possibility to forcing companies to provide insecure encryption to their users and customers?

The EFF points out that companies are protected by law from being required to provide insecure security to make the FBI happy.

Sadly, I don’t think this is going to go away anytime soon.

My first post on these new Crypto Wars is here.

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How Did the Feds Identity Dread Pirate Roberts?

Last month, I wrote that the FBI identified Ross W. Ulbricht as the Silk Road’s Dread Pirate Roberts through a leaky CAPTCHA. Seems that story doesn’t hold water:

The FBI claims that it found the Silk Road server by examining plain text Internet traffic to and from the Silk Road CAPTCHA, and that it visited the address using a regular browser and received the CAPTCHA page. But [Nicholas] Weaver says the traffic logs from the Silk Road server (PDF) that also were released by the government this week tell a different story.

“The server logs which the FBI provides as evidence show that, no, what happened is the FBI didn’t see a leakage coming from that IP,” he said. “What happened is they contacted that IP directly and got a PHPMyAdmin configuration page.” See this PDF file for a look at that PHPMyAdmin page. Here is the PHPMyAdmin server configuration.

But this is hardly a satisfying answer to how the FBI investigators located the Silk Road servers. After all, if the FBI investigators contacted the PHPMyAdmin page directly, how did they know to do that in the first place?

“That’s still the $64,000 question,” Weaver said. “So both the CAPTCHA couldn’t leak in that configuration, and the IP the government visited wasn’t providing the CAPTCHA, but instead a PHPMyAdmin interface. Thus, the leaky CAPTCHA story is full of holes.”

My guess is that the NSA provided the FBI with this information. We know that the NSA provides surveillance data to the FBI and the DEA, under the condition that they lie about where it came from in court.

NSA whistleblower William Binney explained how it’s done:

…when you can’t use the data, you have to go out and do a parallel construction, [which] means you use what you would normally consider to be investigative techniques, [and] go find the data. You have a little hint, though. NSA is telling you where the data is…

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