filter out whitespaces from trust domains

Author: kommendorkapten

pkg/verifier/multi.go

@@ -17,8 +17,9 @@ const (
 	GitHubIssuer = "GitHub, Inc."
 )
 
-// Multi is a Verifier that knows about multiple trust roots and inspects
-// the bundle to select the correct trust root for each provided bundle.
+// Multi is a Verifier that knows about multiple trust roots.
+// During verification each trust root are tried until a successful
+// verification is reached.
 type Multi struct {
 	V []*Verifier
 }
@@ -34,9 +35,9 @@ func NewMulti(v []*Verifier) *Multi {
 	}
 }
 
-// Verify iterates over each bundle and selects the correct verifier
-// based on the certificate's issuer. Bundles with unknown certificate
-// issuers are ignored.
+// Verify iterates over each bundle, and verifies the bundle against
+// all known trust roots. If a sucessful verification occurs, no other
+// trust roots are tried.
 func (m *Multi) Verify(bundles []*bundle.Bundle, h *v1.Hash) ([]*verify.VerificationResult, error) {
 	var res = []*verify.VerificationResult{}
 	var err error