Remove pub key field from UsernameValidationRequest

go.mod

@@ -54,7 +54,7 @@ require (
 	github.com/tyler-smith/go-bip39 v1.1.0 // indirect
 	github.com/zeebo/blake3 v0.1.1 // indirect
 	gitlab.com/elixxir/bloomfilter v0.0.0-20211222005329-7d931ceead6f // indirect
-	gitlab.com/elixxir/comms v0.0.4-0.20220819220424-f2328c8b26b1 // indirect
+	gitlab.com/elixxir/comms v0.0.4-0.20220826165747-4821117053d5 // indirect
 	gitlab.com/elixxir/ekv v0.1.7 // indirect
 	gitlab.com/xx_network/ring v0.0.3-0.20220222211904-da613960ad93 // indirect
 	go.uber.org/ratelimit v0.2.0 // indirect

go.sum

@@ -568,6 +568,8 @@ gitlab.com/elixxir/comms v0.0.4-0.20220819183938-d6cd8aca6de4 h1:CgI8Xb9lXxeJaMs
 gitlab.com/elixxir/comms v0.0.4-0.20220819183938-d6cd8aca6de4/go.mod h1:tlHSrtSliKWUxsck8z/Ql/VJkMdSONV2BeWaUAAXzgk=
 gitlab.com/elixxir/comms v0.0.4-0.20220819220424-f2328c8b26b1 h1:KZ8wKOenvQaYNKo+4jdVhy3YJ7Xa3obiPxGziGJWUb4=
 gitlab.com/elixxir/comms v0.0.4-0.20220819220424-f2328c8b26b1/go.mod h1:j6so9oYAj2YRjOOu11gFBldtxy4ez/oPkYfqM2J1q1k=
+gitlab.com/elixxir/comms v0.0.4-0.20220826165747-4821117053d5 h1:iFNhvChvfRN9g29HvdngQ9R613H++WS7B/XgfJJRVzs=
+gitlab.com/elixxir/comms v0.0.4-0.20220826165747-4821117053d5/go.mod h1:j6so9oYAj2YRjOOu11gFBldtxy4ez/oPkYfqM2J1q1k=
 gitlab.com/elixxir/crypto v0.0.0-20200804182833-984246dea2c4/go.mod h1:ucm9SFKJo+K0N2GwRRpaNr+tKXMIOVWzmyUD0SbOu2c=
 gitlab.com/elixxir/crypto v0.0.3/go.mod h1:ZNgBOblhYToR4m8tj4cMvJ9UsJAUKq+p0gCp07WQmhA=
 gitlab.com/elixxir/crypto v0.0.7-0.20220317172048-3de167bd9406/go.mod h1:tD6XjtQh87T2nKZL5I/pYPck5M2wLpkZ1Oz7H/LqO10=

io/validateUsername.go

@@ -26,7 +26,7 @@ const (
 func validateUsername(request *pb.UsernameValidationRequest,
 	store *storage.Storage, privKey *rsa.PrivateKey, rng io.Reader) (*pb.UsernameValidation, error) {
 	// Return an error if the request is invalid
-	if request == nil || request.Username == "" || request.ReceptionPublicKeyPem == nil {
+	if request == nil || request.Username == "" {
 		return &pb.UsernameValidation{}, errors.New("Unable to parse required " +
 			"fields in registration message")
 	}
@@ -55,7 +55,7 @@ func validateUsername(request *pb.UsernameValidationRequest,
 
 	// Create a signature verifying the user owns their username
 	verificationSignature, err := crust.SignVerification(rng, privKey,
-		request.Username, request.ReceptionPublicKeyPem)
+		request.Username, []byte(user.RsaPub))
 	if err != nil {
 		return nil, errors.Errorf("Failed to create verification signature: %v", err)
 	}