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Code Issues Releases Wiki Activity

Allow for creation date to be in the future up to one day to account for diverging clocks on different systems for fresh keys

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Dominik Schürmann 2014-12-28 20:57:03 +01:00
parent 7dbf0abf7b
commit a86abe04cd
1 changed files with 9 additions and 4 deletions
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13
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
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@ -49,11 +49,13 @@ import java.io.InputStream;
import java.io.OutputStream; import java.io.OutputStream;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
import java.util.Calendar;
import java.util.Comparator; import java.util.Comparator;
import java.util.Date; import java.util.Date;
import java.util.HashSet; import java.util.HashSet;
import java.util.Iterator; import java.util.Iterator;
import java.util.Set; import java.util.Set;
import java.util.TimeZone;
import java.util.TreeSet; import java.util.TreeSet;
/** Wrapper around PGPKeyRing class, to be constructed from bytes. /** Wrapper around PGPKeyRing class, to be constructed from bytes.
@ -276,7 +278,10 @@ public class UncachedKeyRing {
return null; return null;
} }
final Date now = new Date(); Calendar nowCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
// allow for diverging clocks up to one day when checking creation time
nowCal.add(Calendar.DAY_OF_YEAR, 1);
final Date nowPlusOneDay = nowCal.getTime();
int redundantCerts = 0, badCerts = 0; int redundantCerts = 0, badCerts = 0;
@ -321,7 +326,7 @@ public class UncachedKeyRing {
continue; continue;
} }
if (cert.getCreationTime().after(now)) { if (cert.getCreationTime().after(nowPlusOneDay)) {
// Creation date in the future? No way! // Creation date in the future? No way!
log.add(LogType.MSG_KC_REVOKE_BAD_TIME, indent); log.add(LogType.MSG_KC_REVOKE_BAD_TIME, indent);
modified = PGPPublicKey.removeCertification(modified, zert); modified = PGPPublicKey.removeCertification(modified, zert);
@ -410,7 +415,7 @@ public class UncachedKeyRing {
continue; continue;
} }
if (cert.getCreationTime().after(now)) { if (cert.getCreationTime().after(nowPlusOneDay)) {
// Creation date in the future? No way! // Creation date in the future? No way!
log.add(LogType.MSG_KC_UID_BAD_TIME, indent); log.add(LogType.MSG_KC_UID_BAD_TIME, indent);
modified = PGPPublicKey.removeCertification(modified, rawUserId, zert); modified = PGPPublicKey.removeCertification(modified, rawUserId, zert);
@ -592,7 +597,7 @@ public class UncachedKeyRing {
continue; continue;
} }
if (cert.getCreationTime().after(now)) { if (cert.getCreationTime().after(nowPlusOneDay)) {
// Creation date in the future? No way! // Creation date in the future? No way!
log.add(LogType.MSG_KC_SUB_BAD_TIME, indent); log.add(LogType.MSG_KC_SUB_BAD_TIME, indent);
badCerts += 1; badCerts += 1;