An implementation of Groth-Kohlweiss one-of-N knowledge of discrete logs

Ian Goldberg 09fecd374b Make all of the arrays 0-based %!s(int64=5) %!d(string=hai) anos
gk15.go 09fecd374b Make all of the arrays 0-based %!s(int64=5) %!d(string=hai) anos
main.go 7e2b0506e7 Verification %!s(int64=5) %!d(string=hai) anos