PKI: Added p12 retreival method

git-svn-id: https://ehi.svn.codeplex.com/svn@29936 555e8bc2-ad3d-4a22-a156-a42dcab9bd6f
GMF: work in progress

git-svn-id: https://ehi.svn.codeplex.com/svn@29938 555e8bc2-ad3d-4a22-a156-a42dcab9bd6f