RE: Question reagrding OpenSSL recent security advisory

2006-09-07 Thread Pasi Eronen
William A. Rowe, Jr. wrote: > Hagai asks how prevalent such exponent 3 public or commercial > signing keys still are? Someone stated they are in "wide use". > This is not 'private' information, and Hagai just asked if someone > has done the actual research of affected public/commercial signing > a

Re: Question reagrding OpenSSL recent security advisory

2006-09-06 Thread Joe Gluck
Hagai,   From my research I found that there are some known CA that use exponent of 3 (and some hardware implementation that use that as default). About your ca, if you know that all your components (browsers and/or applications) that will be involved will have good PKCS#1 implementation, then you

Re: Question reagrding OpenSSL recent security advisory

2006-09-06 Thread William A. Rowe, Jr.
Marek Marcola wrote: > Hello, >> I have read the advisory an I am a bit puzzled regarding the there are >> CAs using exponent 3 in wide use comment, I have tried to check and >> could not found any CA using this exponent, all the CA’s I have seen >> are using 0x10001 (CA’s I have generate by OpenSS

Re: Question reagrding OpenSSL recent security advisory

2006-09-06 Thread Dr. Stephen Henson
On Wed, Sep 06, 2006, Hagai Yaffe wrote: > > I have read the advisory an I am a bit puzzled regarding the there are > CAs using exponent 3 in wide use comment, I have tried to check and > could not found any CA using this exponent, all the CA's I have seen are > using 0x10001 (CA's I have generat

Re: Question reagrding OpenSSL recent security advisory

2006-09-06 Thread Marek Marcola
Hello, > I have read the advisory an I am a bit puzzled regarding the there are > CAs using exponent 3 in wide use comment, I have tried to check and > could not found any CA using this exponent, all the CA’s I have seen > are using 0x10001 (CA’s I have generate by OpenSSL using default > values, w