RSA --- 
n = 2^137-1 e = 17 
message = "This is my text." 
signature = 68767027465671577191073128495082795700768 
n = (6^67-1)/5 e = 17 
message = "Please feed my dog!" 
signature = 1703215098456351993605104919259566435843590978852633 

Rabin ----- 
n = (3^59-1)/2 
message = "Leave now." 
signature = 
n = (7^47-1)/6 
message = "Arrive Thursday." 
signature = 189479723122534414019783447271411895509 

El Gamal -------- 
p = next prime after 2^150 
a = 2 
B = 1369851585774063312693119161120024351761244461 
message = "Leave AT ONCE!" 
signature r = 1389080525305754392111976715361069425353578198 
s = 1141326468070168229982976133801721430306004477 

DSS --- 
p = next prime after 2^170 
q = 143441505468590696209 
g = 672396402136852996799074813867123583326389281120278 
B = 1394256880659595564848116770226045673904445792389839 
message = "Now's your chance!" 
signature r = 64609209464638355801 
s = 13824808741200493330