Re: Is 3DES Broken?

On 4 Feb 2005, at 10:51 AM, Greg Rose wrote: I'm surprised that no-one has said that ECB mode is "unsafe at any speed". Because if they did, some smartass would chime in and say that ECB mode is perfectly fine at some speeds. For example, you could safely encrypt one bit in ECB mode, particular

Re: link-layer encryptors for Ethernet?

http://www.google.com/search?q=ethernet+link+encryptor says that there are. There's even a widget that supposedly runs up to gigabit. http://www.atmedia.de/english/news.html I'm enough of a freenix zealot though that I'd build one out of a couple of opteron boxen with gig ether cards and run ether

[fc-announce] Transportation, Taxes, and Conference Events

--- begin forwarded text User-Agent: Microsoft-Entourage/11.1.0.040913 From: "Stuart E. Schechter" <[EMAIL PROTECTED]> To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> Subject: [fc-announce] Transportation, Taxes, and Conference Events Sender: [EMAIL PROTECTED] Date: Mon, 07 Feb 2005 15:12:11 -0500

RSA Conference, and BA Cypherpunks

Once again, the RSA Conference is upon us, and many of the corrospondents on these lists will be in San Francisco. I'd like to see if anyone is interested in getting together. We've done this before. At past conferences, we've had various levels of participation, from 50 down to 3. Since the BAC

CodeCon Reminder

e'd like to remind those of you planning to attend this year's event that CodeCon is fast approaching. CodeCon is the premier event in 2005 for application developer community. It is a workshop for developers of real-world applications with working code and active development projects. Past prese

SHA-1 passe' for US Fed

http://www.geocities.com/khlim777_my/b777cockpit4r.jpg --dan - The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]

MD5 comes in for further criticism

Techworld.com 07 February 2005 More experts warn of CAS arrays risks MD5 comes in for further criticism By Lucas Mearian, Computerworld (US) More security experts are warning against the use of the flawed hashing

Quantum crypto firm charts way to mainstream

Quantum crypto firm charts way to mainstream By Michael Kanellos URL: http://news.zdnet.com/2100-1009_22-5564288.html Magiq Technologies is creating a new line of products this year that it says could help make quantum encryption--

link-layer encryptors for Ethernet?

Are there any commercial link-layer encryptors for Ethernet available? I know that Xerox used to make them, way back when, but are there any current ones, able to deal with current speeds (and connectors)? --Prof. Steven M. Bellovin, http://www.cs.columbia.edu/~smb --

NIST moves to stronger hashing

Federal Computer Week Monday, February 7, 2005 NIST moves to stronger hashing BY Florence Olsen Published on Feb. 7, 2005 Federal agencies have been put on notice that National Institute of Standards and Technology officials plan to phase out a widely us

Security's inseparable couple

Network World Security's inseparable couple By: Bob Brown Network World (US)(07 Feb 2005) The most familiar names in network security are neither vendors nor geeks: Try Ali

Re: Simson Garfinkel analyses Skype - Open Society Institute

Actually it's not that bad: using SIP, the RTP packets can be protected by SRTP (RFC3711, with an opensource implementation from Cisco at http://srtp.sourceforge.net/ ) SRTP...heh. Take a look at RFC3711 for a second. " Specification of a key management protocol for SRTP is out of scope here.

Re: Is 3DES Broken?

| > > No, I meant CBC -- there's a birthday paradox attack to watch out for. | > > | > | > Yep. In fact, there's a birthday paradox problem for all the standard | > chaining modes at around 2^{n/2}. | > For CBC and CFB, this ends up leaking information about the XOR of a couple | > plaintex

Re: Is 3DES Broken?

| > >>I think you meant ECB mode? | > | > >No, I meant CBC -- there's a birthday paradox attack to watch out for. | > | > Yep. In fact, there's a birthday paradox problem for all the standard | > chaining modes at around 2^{n/2}. | > | > For CBC and CFB, this ends up leaking information about t

Ireland faces ¤50m e-voting write-off

The Register Biting the hand that feeds IT The Register » Internet and Law » eGovernment » Original URL: http://www.theregister.co.uk/2005/02/04/ireland_evoting_bill/ Ireland faces ¤50m e-voting write-off By electricn