Some minor improvements to passphrase_to_key().
Some minor improvements to passphrase_to_key().


git-svn-id: b1dee0d48e635e16c3b356ce77271b225d4db9f7@553 7dcaeef0-15fb-0310-b436-a5af3365683c

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