Check whether metadata could be parsed

a142ebc9 · Ivar Derksen · David Venhoek · 0dbc22f8 · a142ebc9
Commit a142ebc9 authored Jul 03, 2019 by Ivar Derksen Committed by David Venhoek Aug 06, 2019
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timestamp.go timestamp.go +3 -0

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--- a/timestamp.go
+++ b/timestamp.go
@@ -46,6 +46,9 @@ func TimestampRequest(message string, sigs []*big.Int, disclosed [][]*big.Int, n
 	var d interface{} = disclosedint
 	for i, _ := range disclosed {
 		meta := MetadataFromInt(disclosed[i][1], conf)
+		if meta.CredentialType() == nil {
+			return nil, "", errors.New("Cannot compute timestamp request involving unknown credential types")
+		}
 		if !new {
 			disclosedint[i] = make([]*gobig.Int, len(disclosed[i]))
 			for j, k := range disclosed[i] {