Improve check_public_key().
Improve check_public_key().


git-svn-id: b1dee0d48e635e16c3b356ce77271b225d4db9f7@632 7dcaeef0-15fb-0310-b436-a5af3365683c

bigcat26/libssh-mod,jt1/honeypot-libssh,jahrome/libssh,substack/libssh,rofl0r/libssh,rofl0r/libssh,substack/libssh,pouete/libssh,mwgoldsmith/ssh,Distrotech/libssh,DouglasHeriot/libssh,elastichosts/libssh,substack/libssh,kedazo/libssh,bigcat26/libssh-mod,jt1/honeypot-libssh,mwgoldsmith/libssh,elastichosts/libssh,bigcat26/libssh-mod,nviennot/libssh,sebadoom/libssh,miloj/libssh-v0.5,mwgoldsmith/ssh,rofl0r/libssh,taikoo/libssh,substack/libssh,pouete/libssh,DouglasHeriot/libssh,robxu9/libssh,wangshawn/libssh,Distrotech/libssh,wangshawn/libssh,kedazo/libssh,sebadoom/libssh,DouglasHeriot/libssh,Distrotech/libssh,mwgoldsmith/ssh,kedazo/libssh,mwgoldsmith/ssh,sebadoom/libssh,elastichosts/libssh,nviennot/libssh,nviennot/libssh,pouete/libssh,rofl0r/libssh,jt1/honeypot-libssh,miloj/libssh-v0.5,miloj/libssh-v0.5,robxu9/libssh,robxu9/libssh,nviennot/libssh,jahrome/libssh,jahrome/libssh,mwgoldsmith/libssh,sebadoom/libssh,pouete/libssh,kedazo/libssh,mwgoldsmith/libssh,bigcat26/libssh-mod,jt1/honeypot-libssh,taikoo/libssh,Distrotech/libssh,mwgoldsmith/libssh,miloj/libssh-v0.5,jahrome/libssh,robxu9/libssh,wangshawn/libssh,wangshawn/libssh,taikoo/libssh,taikoo/libssh,DouglasHeriot/libssh