i ▁Party ▁in ▁ 1 9 4 1 . ▁During ▁World ▁War ▁II , ▁he ▁had ▁no ▁exact ▁knowledge ▁of ▁the ▁messages ▁passed ▁between ▁different ▁parties , ▁and ▁took ▁no ▁part ▁in ▁any ▁matters ▁per tain ing ▁to ▁diplom acy . ▁ ▁He ▁remained ▁head ▁of ▁the ▁ci pher ▁b ureau ▁until ▁May ▁ 1 9 4 5 . ▁ ▁After ▁World ▁War ▁II ▁In ▁ 1 9 5 0 , ▁the ▁Federal ▁Foreign ▁Office ▁task ed ▁Sel ch ow ▁along ▁with ▁Er ich ▁H ütt en h ain , ▁Hein z ▁K unt ze ▁and ▁Rudolf ▁Sch auff ler ▁to ▁form ▁a ▁crypt ographic ▁service ▁under ▁the ▁direction ▁of ▁Adolf ▁Pas ch ke ▁that ▁was ▁called ▁Section ▁ 1 1 4 . ▁The ▁service ▁was ▁to ▁act ▁as ▁a ▁cy pher ▁b ureau ▁for ▁the ▁Central ▁office ▁of ▁Enc ryption ▁( Z f Ch ) ▁() ▁that ▁had ▁been ▁previously ▁created ▁in ▁ 1 9 4 7 ▁and ▁was ▁located ▁at ▁Camp ▁King . ▁ ▁In ▁ 1 9 5 5 ▁the ▁unit ▁was ▁dis band ed ▁as ▁West ▁Germany ▁was ▁re arm ing ▁and ▁a ▁new ▁unit ▁was ▁to ▁be ▁created . ▁In ▁ 1 9 5 6 ▁all ▁the ▁equipment ▁and ▁resources ▁of ▁the ▁unit ▁were ▁transferred ▁to ▁the ▁Federal ▁Int elligence ▁Service ▁( G erm any ). ▁In ▁ 1 9 8 9 ▁the ▁unit ▁was ▁renamed ▁to ▁Z FI ▁( ). ▁In ▁ 1 9 9 1 ▁it ▁became ▁the ▁B SI ▁( F eder al ▁Office ▁for