Merge pull request #128 from shutter-network/fix/buffer-too-small

Fix/buffer too small

Author: ulope

shlib/go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/ethereum/go-ethereum v1.13.4
 	github.com/google/go-cmp v0.6.0
 	github.com/pkg/errors v0.9.1
-	github.com/supranational/blst v0.3.11
+	github.com/supranational/blst v0.3.12
 	golang.org/x/crypto v0.14.0
 	gotest.tools v2.2.0+incompatible
 	gotest.tools/v3 v3.5.1

shlib/go.sum

@@ -46,8 +46,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-github.com/supranational/blst v0.3.11 h1:LyU6FolezeWAhvQk0k6O/d49jqgO52MSDDfYgbeoEm4=
-github.com/supranational/blst v0.3.11/go.mod h1:jZJtfjgudtNl4en1tzwPIV3KjUnQUvG3/j+w+fVonLw=
+github.com/supranational/blst v0.3.12 h1:Vfas2U2CFHhniv2QkUm2OVa1+pGTdqtpqm9NnhUUbZ8=
+github.com/supranational/blst v0.3.12/go.mod h1:jZJtfjgudtNl4en1tzwPIV3KjUnQUvG3/j+w+fVonLw=
 golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200115085410-6d4e4cb37c7d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=

shlib/shcrypto/encryption_test.go

@@ -219,6 +219,7 @@ func makeKeys(t *testing.T) (*EonPublicKey, *EpochSecretKey, *EpochID) {
 	eonSecretKey := big.NewInt(0)
 	for i := 0; i < n; i++ {
 		eonSecretKey.Add(eonSecretKey, ps[i].Eval(big.NewInt(0)))
+		eonSecretKey.Mod(eonSecretKey, order)
 
 		ss := []*big.Int{}
 		for j := 0; j < n; j++ {

shlib/shcrypto/keys_test.go

@@ -165,7 +165,9 @@ func TestEonPublicKeyMatchesSecretKey(t *testing.T) {
 	esk := big.NewInt(0)
 	for _, p := range []*Polynomial{p1, p2, p3} {
 		esk = esk.Add(esk, p.Eval(big.NewInt(0)))
+		esk = esk.Mod(esk, order)
 	}
+
 	epkExp := generateP2(esk)
 
 	gammas := []*Gammas{p1.Gammas(), p2.Gammas(), p3.Gammas()}