[openssl-dev] Patent Issues for openssl version

Patil, Ashwini IN BLR SHC ashwini.vpatil at siemens.com
Fri Mar 11 09:54:53 UTC 2016

Hello Team,

The following procedure is used to Integrate compiled openssl-fips2.0 in openssl-1.0.1e :
 a. Extract the contents of openssl-1.0.1e.tar.gz to C:\openssl-1.0.1e-fips-compliant\
        b. Open Visual Studio 2008 Command Prompt.
        c. cd C:\openssl-1.0.1e-fips-compliant\
        d. Copy all the contents of "C:\Program Files\NASM" in this source folder

        e. perl Configure VC-WIN32 fips
           perl Configure debug-VC-WIN32 fips
        f. ms\do_nasm
        g. nmake -f ms\nt.mak
        h. For Testing, use the following command: nmake -f ms\nt.mak test
        i. nmake -f ms\nt.mak install
        j. (If you want to create DLL files then Use the following commands
nmake -f ms\ntdll.mak  &&     nmake -f ms\ntdll.mak install)

To avoid patent issues:
I have used the below compiler switches mentioned to Disable known patented or outdated algorithms .
> 1) perl Configure VC-WIN32 fips
> --with-fipslibdir=C:\usr\local\ssl\fips-2.0 no-ec2m no-idea no-mdc2
> no-rc5

Hope , this will take care of disabling the algorithms.

But please let me know how to cross verify the algorithms are disabled.
Any script files are generated mentioned that patents are disabled.. Please help.

Ashwini V Patil

With best regards,
Ashwini V Patil

Siemens Healthcare Private Limited
84, Hosur Road
Bengaluru 560100, Indien
Mobil: +91 9008132565
mailto:ashwini.vpatil at siemens.com

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