Re: Weakness in Social Security Numbers Is Found

2009-07-12 Thread Darren J Moffat
d...@geer.org wrote: I don't honestly think that this is new, but even if it is, a 9-digit random number has a 44% chance of being a valid SSN (442 million issued to date). I wonder if the UK NI numbers suffer from a similar problem. The look a little like this: AB 12 34 56 C Information on

112-bit prime ECDLP solved

2009-07-12 Thread Joppe Bos
Hi all, We are pleased to announce that we have set a new record for the elliptic curve discrete logarithm problem (ECDLP) by solving it over a 112-bit finite field. The previous record was for a 109-bit prime field and dates back from October 2002. Our calculation was done on a cluster of more

Re: Weakness in Social Security Numbers Is Found

2009-07-12 Thread Jerry Leichter
On Jul 8, 2009, at 8:46 PM, d...@geer.org wrote: I don't honestly think that this is new, but even if it is, a 9-digit random number has a 44% chance of being a valid SSN (442 million issued to date). Different attack. What they are saying is that given date and place of birth - not normally