fix current typos

Signed-off-by: Riyaz Faizullabhoy <riyaz.faizullabhoy@docker.com>

certs/certs_test.go

@@ -195,7 +195,7 @@ func TestValidateRoot(t *testing.T) {
 	}
 
 	//
-	// This call to ValidateRoot will suceed in getting to the TUF validation, since
+	// This call to ValidateRoot will succeed in getting to the TUF validation, since
 	// we are using a valid PEM encoded certificate chain of intermediate + leaf cert
 	// that are signed by a trusted root authority and the leaf cert has a correct CN.
 	// It will, however, fail to validate, because it has an invalid TUF signature

client/changelist/change.go

@@ -17,7 +17,7 @@ const (
 // Types for TufChanges are namespaced by the Role they
 // are relevant for. The Root and Targets roles are the
 // only ones for which user action can cause a change, as
-// all changes in Snapshot and Timestamp are programatically
+// all changes in Snapshot and Timestamp are programmatically
 // generated base on Root and Targets changes.
 const (
 	TypeRootRole          = "role"

client/client.go

@@ -572,7 +572,7 @@ func (r *NotaryRepository) Publish() error {
 		r.tufRepo, data.CanonicalSnapshotRole)
 
 	if err == nil {
-		// Only update the snapshot if we've sucessfully signed it.
+		// Only update the snapshot if we've successfully signed it.
 		updatedFiles[data.CanonicalSnapshotRole] = snapshotJSON
 	} else if _, ok := err.(signed.ErrNoKeys); ok {
 		// If signing fails due to us not having the snapshot key, then

tuf/README.md

@@ -29,7 +29,7 @@ however in attempting to add delegations I found I was making such
 significant changes that I could not maintain backwards compatibility
 without the code becoming overly convoluted.
 
-Some features such as pluggable verifiers have alreayd been merged upstream to flynn/go-tuf
+Some features such as pluggable verifiers have already been merged upstream to flynn/go-tuf
 and we are in discussion with [titanous](https://github.com/titanous) about working to merge the 2 implementations.
 
 This implementation retains the same 3 Clause BSD license present on 

tuf/encrypted/encrypted.go

@@ -25,7 +25,7 @@ const (
 
 const (
 	// N parameter was chosen to be ~100ms of work using the default implementation
-	// on the 2.3GHz Core i7 Haswell processor in a late-2013 Apple Retina Macbook
+	// on the 2.3GHz Core i7 processor in a late-2013 Apple Retina Macbook
 	// Pro (it takes ~113ms).
 	scryptN = 32768
 	scryptR = 8

tuf/tuf_test.go

@@ -484,7 +484,7 @@ func TestDeleteDelegationsRoleNotExist(t *testing.T) {
 	repo := initRepo(t, ed25519, keyDB)
 
 	// initRepo leaves all the roles as Dirty. Set to false
-	// to test removing a non-existant role doesn't mark
+	// to test removing a non-existent role doesn't mark
 	// a role as dirty
 	repo.Targets[data.CanonicalTargetsRole].Dirty = false