Leon: I suggest that you write a program that uses file descriptors for IO? I'd write it in C.
On Mon, Oct 22, 2012 at 5:51 AM, Funnell, Leon <leon.funn...@catlin.com>wrote: > We have Windows application which passes data to OpenSSL.exe to encrypt as > a Windows command, then scrapes the encrypted data back from the output. > The Windows app can call external Windows commands but we cannot call APIs > or extend the functionality programmatically. Functionally it works, but > it doesn’t scale as each time you call OpenSSL.exe it takes about a second > and spikes the CPU. The application we are using is required to process > 6000 records every hour. **** > > ** ** > > I have two tests set up:**** > > **1. **A batch file which runs 6000 times, repeatedly running the > following command:**** > > *Openssl.exe aes-256-cbc -a -e -k eiccmkjd94jfgniw03ljkdlfutcnv320 –in > test.txt* > > * * > > **2. **A text file with the following line repeated 6000 times, > which I paste into the OpenSSL CLI:**** > > *aes-256-cbc -a -e -k eiccmkjd94jfgniw03ljkdlfutcnv320 –in test.txt* > > ** ** > > When I use the batch file which invokes OpenSSL.exe 6000 times, it takes > several hours to complete and spikes the CPU significantly. It seems to be > the initialisation of the OpenSSL.exe program rather than the encryption > however, as if I paste in the text file to the OpenSSL.exe CLI it completes > in several seconds and takes very little CPU.**** > > ** ** > > What I need is a way of running OpenSSL.exe as a process which I can pass > parameters to on STDIN, and output parameters to STDOUT. I would like to > be able to call another batch file or program with the unencrypted data as > the input parameter which would then pass this to the running “service”, > retrieve the encrypted data result from this “service” and pass it as the > output.**** > > ** ** > > Can anyone enlighten me on a potential solution for this?**** > > ** ** > > Thanks and Regards,**** > > ** ** > > Leon Funnell**** > > ________________________________________________________ > This e-mail is confidential and intended solely for the use of the > individual(s) to whom it is addressed. If you are not the intended > recipient, be advised that you have received this e-mail in error and that > any use, dissemination, forwarding, printing, copying of, or any action > taken in reliance upon it, is strictly prohibited and may be illegal. > > Catlin Underwriting Agencies Limited and Catlin Insurance Company (UK) > Ltd. are authorised and regulated by the Financial Services Authority. > > The registered office of Catlin Underwriting Agencies Limited > (incorporated and registered in England and Wales with company number > 1815126) and Catlin Insurance Company (UK) Ltd. (incorporated and > registered in England and Wales with company number 5328622) is 20 > Gracechurch Street, London, EC3V 0BG. > > Catlin Risk Solutions Limited is an Appointed Representative of Catlin > Underwriting Agencies Limited. > ________________________________________________________ > -- No amount of believing makes something a fact. James Randi John Zavgren 603-371-0513 (home) 603-801-2094 (cell) johnzavgren (skype) 603-821-0904 (skype) j...@zavgren.com
