▁Sch erb ius ▁had ▁limited ▁commercial ▁success . ▁However , ▁the ▁German ▁armed ▁forces , ▁respond ing ▁in ▁part ▁to ▁revel ations ▁that ▁their ▁codes ▁had ▁been ▁broken ▁during ▁World ▁War ▁I , ▁adopted ▁the ▁En igma ▁to ▁secure ▁their ▁communic ations . ▁The ▁Reichs marine ▁adopted ▁En igma ▁in ▁ 1 9 2 6 , ▁and ▁the ▁German ▁Army ▁began ▁to ▁use ▁a ▁different ▁variant ▁around ▁ 1 9 2 8 . ▁ ▁The ▁En igma ▁( in ▁several ▁variants ) ▁was ▁the ▁rot or ▁machine ▁that ▁Sch erb ius ' s ▁company ▁and ▁its ▁successor , ▁He ims oth ▁& ▁Rein ke , ▁supplied ▁to ▁the ▁German ▁military ▁and ▁to ▁such ▁ag encies ▁as ▁the ▁Naz i ▁party ▁security ▁organization , ▁the ▁SD . ▁ ▁The ▁Pol es ▁broke ▁the ▁German ▁Army ▁En igma ▁beginning ▁in ▁December ▁ 1 9 3 2 , ▁not ▁long ▁after ▁it ▁had ▁been ▁put ▁into ▁service . ▁On ▁July ▁ 2 5 , ▁ 1 9 3 9 , ▁just ▁five ▁weeks ▁before ▁Hitler ' s ▁invasion ▁of ▁Poland , ▁the ▁Polish ▁General ▁Staff ' s ▁Ci pher ▁Bureau ▁shared ▁its ▁En igma - dec ryption ▁methods ▁and ▁equipment ▁with ▁the ▁French ▁and ▁British ▁as ▁the ▁Pol es ' ▁contribution ▁to ▁the ▁common ▁defense ▁against ▁Naz i ▁Germany . ▁D illy ▁Kno x ▁had ▁already ▁broken ▁Spanish ▁National ist ▁messages ▁on ▁a ▁commercial ▁En igma ▁machine ▁in ▁ 1 9 3 7 ▁during ▁the ▁Spanish ▁Civil ▁War . ▁ ▁A ▁few ▁months ▁later , ▁using