Re: CryptAqcuireContext logn delays

From: Ryan Menezes [MSFT] (ryanmen_at_online.microsoft.com)
Date: 04/09/04

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    Date: Fri, 9 Apr 2004 14:08:03 -0700
    
    

    You probably never created any DSA/DH keys so that explains the abscence of
    that folder.

    8 is a very small number of keys so I will rule out the perf hit due to # of
    keys.

    -- 
    Thanks,
    Ryan Menezes [MS]
    This posting is provided "AS IS" with no warranties, and confers no rights.
    "George Nentidis" <gnentid@msn.com> wrote in message
    news:uyq0iNHHEHA.2876@TK2MSFTNGP09.phx.gbl...
    >
    > I don't have a DSS folder, I only have an RSA which contains 8 files of 1K
    > each.
    > This happens for domain accounts with no roaming profile.
    > Could this be some kind of a virus? My Anti-virus software doesn't show
    > anything though.
    > CryptoAPI is a very good place for trojan hourses.
    >
    > Thank you once again Ryan
    > George Nentidis
    >
    > "Ryan Menezes [MSFT]" <ryanmen@online.microsoft.com> wrote in message
    > news:O8SUq8AHEHA.688@tk2msftngp13.phx.gbl...
    > > For W2K and beyond keys are maintained under the userprofile at
    > >
    > > %userprofile%\Application Data\Microsoft\Crypto\RSA\<userSID>\* ,and
    > > %userprofile%\Application Data\Microsoft\Crypto\DSS\<userSID>\*
    > >
    > > Hard to tell why it would happen all of a sudden. Does this occur for
    > local,
    > > domain or roaming accounts ?
    > >
    > > -- 
    > > Thanks,
    > > Ryan Menezes [MS]
    > > This posting is provided "AS IS" with no warranties, and confers no
    > rights.
    > >
    > >
    > > "George Nentidis" <gnentid@msn.com> wrote in message
    > > news:uvcBnt6GEHA.3068@TK2MSFTNGP11.phx.gbl...
    > > >
    > > > Thanx Ryan! CRYPT_VERIFYCONTEXT did the job.
    > > > This means that I have a large number of persisted keys on my system?
    > > > How can I check this out? And why did this happen so suddenly in 80%
    of
    > my
    > > > installations?
    > > > Anyway, thanks again...
    > > >
    > > > "Ryan Menezes [MSFT]" <ryanmen@online.microsoft.com> wrote in message
    > > > news:eDSAWa5GEHA.740@tk2msftngp13.phx.gbl...
    > > > > Which platform are we talking about ? Do you have a large number of
    > > > > persisted keys on your system. ?
    > > > >
    > > > > If you dont need access to private keys, consider using the
    > > > > CRYPT_VERIFYCONTEXT flag.
    > > > >
    > > > > -- 
    > > > > Thanks,
    > > > > Ryan Menezes [MS]
    > > > > This posting is provided "AS IS" with no warranties, and confers no
    > > > rights.
    > > > >
    > > > >
    > > > > "George Nentidis" <gnentid@msn.com> wrote in message
    > > > > news:OL0rTRxGEHA.2768@tk2msftngp13.phx.gbl...
    > > > > >
    > > > > > Hi there All
    > > > > >
    > > > > > All of a sadden, my encryption and hashing routines became
    terribly
    > > > slow,
    > > > > > without changing a single line of code.
    > > > > >
    > > > > > After enough profiling, I found out that the CryptAcquireContect
    API
    > > > call
    > > > > >
    > > > > > which I called in each of my routines, was considerably slow.
    About
    > a
    > > > sec.
    > > > > > long.
    > > > > >
    > > > > > The same thing happened in many of applications that use this API
    > > call.
    > > > > >
    > > > > > All of a sadden I hear complains of how slow it suddenly became.
    > > > > >
    > > > > >
    > > > > >
    > > > > > Could it be that any patch or service pack has to do anything with
    > > that?
    > > > > >
    > > > > > No viruses are present at the system.
    > > > > >
    > > > > > Anybody seen anything like that?
    > > > > >
    > > > > >
    > > > > >
    > > > > > Thank you all in advance
    > > > > >
    > > > > > George Nentidis
    > > > > >
    > > > > >
    > > > > >
    > > > >
    > > > >
    > > >
    > > >
    > >
    > >
    >
    >
    

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