Merge branch 'hotfix/exponentSize_4096' of gitlab.com:elixxir/server into hotfix/exponentSize_4096

go.mod

@@ -23,7 +23,7 @@ require (
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/spf13/viper v1.6.3
 	gitlab.com/elixxir/comms v0.0.0-20201007164918-8331c82e4f19
-	gitlab.com/elixxir/crypto v0.0.0-20201109205009-e19a9b320f68
+	gitlab.com/elixxir/crypto v0.0.0-20201110173213-96522e94f985
 	gitlab.com/elixxir/gpumathsgo v0.0.2-0.20201007163558-0fea70f49fe0
 	gitlab.com/elixxir/primitives v0.0.0-20200929202834-811c810c6387
 	gitlab.com/xx_network/comms v0.0.0-20200916172635-6ab807c3c820

go.sum

@@ -228,6 +228,8 @@ gitlab.com/elixxir/crypto v0.0.0-20201109204028-16cccc7b94a4 h1:4ezK7fRUwl/Z+PaE
 gitlab.com/elixxir/crypto v0.0.0-20201109204028-16cccc7b94a4/go.mod h1:PFeyONfhulnM72O2wROslwhNadtnyvKAD2QLtQzAifM=
 gitlab.com/elixxir/crypto v0.0.0-20201109205009-e19a9b320f68 h1:EDN9V+77asY4Aq2JvQTbP/QeGWjkvTF6DIZardT1g3k=
 gitlab.com/elixxir/crypto v0.0.0-20201109205009-e19a9b320f68/go.mod h1:PFeyONfhulnM72O2wROslwhNadtnyvKAD2QLtQzAifM=
+gitlab.com/elixxir/crypto v0.0.0-20201110173213-96522e94f985 h1:cSGggAbP1CvYwuzhPOuLOwjiLnrhdrOH1Ls8yLc9L1s=
+gitlab.com/elixxir/crypto v0.0.0-20201110173213-96522e94f985/go.mod h1:PFeyONfhulnM72O2wROslwhNadtnyvKAD2QLtQzAifM=
 gitlab.com/elixxir/gpumathsgo v0.0.2-0.20200617001921-1de1fff56304 h1:pK9IXv2s7YZX+dGc6UfIWGrDTQjP4kHpGEo0siL/4cQ=
 gitlab.com/elixxir/gpumathsgo v0.0.2-0.20200617001921-1de1fff56304/go.mod h1:PymVIFnQSHltaQqwjUTbvSnT9FNViO3XkuNiP9m65vM=
 gitlab.com/elixxir/gpumathsgo v0.0.2-0.20201001212319-e5e5794e81ef h1:hrNi2NqazA2IAeF9sq+EcqMnFBebegBwrLaz8pBJezQ=

graphs/precomputation/generate.go

@@ -21,10 +21,6 @@ import (
 // Generate phase transforms first unpermuted internode keys
 // and partial cypher texts into the data that the permute phase needs
 
-//size of the exponent. Highly security relevant, DO NOT CHANGE
-const exponentSizeBits = 4096
-const exponentSize = exponentSizeBits / 8
-
 // GenerateStream holds the inputs for the Generate operation
 type GenerateStream struct {
 	Grp *cyclic.Group
@@ -120,10 +116,10 @@ var Generate = services.Module{
 
 		for i := chunk.Begin(); i < chunk.End(); i++ {
 			errors := []error{
-				generate(gs.Grp, gs.R.Get(i), gs.YR.Get(i), exponentSize, stream),
-				generate(gs.Grp, gs.S.Get(i), gs.YS.Get(i), exponentSize, stream),
-				generate(gs.Grp, gs.U.Get(i), gs.YU.Get(i), exponentSize, stream),
-				generate(gs.Grp, gs.V.Get(i), gs.YV.Get(i), exponentSize, stream),
+				generate(gs.Grp, gs.R.Get(i), gs.YR.Get(i), stream),
+				generate(gs.Grp, gs.S.Get(i), gs.YS.Get(i), stream),
+				generate(gs.Grp, gs.U.Get(i), gs.YU.Get(i), stream),
+				generate(gs.Grp, gs.V.Get(i), gs.YV.Get(i), stream),
 			}
 			for _, err := range errors {
 				if err != nil {