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Code Issues Releases Wiki Activity

ignore revoked user ids for primary key expiry

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This commit is contained in:
Vincent Breitmoser 2015-02-26 18:52:54 +01:00
parent ad8209bd94
commit d7888d4666
5 changed files with 82 additions and 23 deletions
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5
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedKeyRing.java
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@ -79,9 +79,8 @@ public abstract class CanonicalizedKeyRing extends KeyRing {
public boolean isExpired() {
// Is the master key expired?
Date creationDate = getRing().getPublicKey().getCreationTime();
Date expiryDate = getRing().getPublicKey().getValidSeconds() > 0
? new Date(creationDate.getTime() + getRing().getPublicKey().getValidSeconds() * 1000) : null;
Date creationDate = getPublicKey().getCreationTime();
Date expiryDate = getPublicKey().getExpiryTime();
Date now = new Date();
return creationDate.after(now) || (expiryDate != null && expiryDate.before(now));

74
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedPublicKey.java
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@ -20,8 +20,16 @@ package org.sufficientlysecure.keychain.pgp;
import org.spongycastle.bcpg.sig.KeyFlags;
import org.spongycastle.openpgp.PGPPublicKey;
import org.spongycastle.openpgp.PGPSignature;
import org.spongycastle.openpgp.operator.jcajce.JcePublicKeyKeyEncryptionMethodGenerator;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.util.IterableIterator;
import org.sufficientlysecure.keychain.util.Log;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Iterator;
/** Wrapper for a PGPPublicKey.
*
@ -100,6 +108,72 @@ public class CanonicalizedPublicKey extends UncachedPublicKey {
return false;
}
public boolean isRevoked() {
return mPublicKey.getSignaturesOfType(isMasterKey()
? PGPSignature.KEY_REVOCATION
: PGPSignature.SUBKEY_REVOCATION).hasNext();
}
public boolean isExpired () {
Date expiry = getExpiryTime();
return expiry != null && expiry.before(new Date());
}
public long getValidSeconds() {
long seconds;
// the getValidSeconds method is unreliable for master keys. we need to iterate all
// user ids, then use the most recent certification from a non-revoked user id
if (isMasterKey()) {
Date latestCreation = null;
seconds = 0;
for (byte[] rawUserId : getUnorderedRawUserIds()) {
Iterator<WrappedSignature> sigs = getSignaturesForRawId(rawUserId);
// there is always a certification, so this call is safe
WrappedSignature sig = sigs.next();
// we know a user id has at most two sigs: one certification, one revocation.
// if the sig is a revocation, or there is another sig (which is a revocation),
// the data in this uid is not relevant
if (sig.isRevocation() || sigs.hasNext()) {
continue;
}
// this is our revocation, UNLESS there is a newer certificate!
if (latestCreation == null || latestCreation.before(sig.getCreationTime())) {
latestCreation = sig.getCreationTime();
seconds = sig.getKeyExpirySeconds();
}
}
} else {
seconds = mPublicKey.getValidSeconds();
}
return seconds;
}
public Date getExpiryTime() {
long seconds = getValidSeconds();
if (seconds > Integer.MAX_VALUE) {
Log.e(Constants.TAG, "error, expiry time too large");
return null;
}
if (seconds == 0) {
// no expiry
return null;
}
Date creationDate = getCreationTime();
Calendar calendar = GregorianCalendar.getInstance();
calendar.setTime(creationDate);
calendar.add(Calendar.SECOND, (int) seconds);
return calendar.getTime();
}
/** Same method as superclass, but we make it public. */
public Integer getKeyUsage() {
return super.getKeyUsage();

4
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java
View File

@ -439,8 +439,8 @@ public class PgpKeyOperation {
// since this is the master key, this contains at least CERTIFY_OTHER
PGPPublicKey masterPublicKey = masterSecretKey.getPublicKey();
int masterKeyFlags = readKeyFlags(masterPublicKey) | KeyFlags.CERTIFY_OTHER;
long masterKeyExpiry = masterPublicKey.getValidSeconds() == 0L ? 0L :
masterPublicKey.getCreationTime().getTime() / 1000 + masterPublicKey.getValidSeconds();
Date expiryTime = wsKR.getPublicKey().getExpiryTime();
long masterKeyExpiry = expiryTime != null ? expiryTime.getTime() / 1000 : 0L;
return internal(sKR, masterSecretKey, masterKeyFlags, masterKeyExpiry, saveParcel, passphrase, log);

18
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedPublicKey.java
View File

@ -60,24 +60,6 @@ public class UncachedPublicKey {
return mPublicKey.getCreationTime();
}
public Date getExpiryTime() {
long seconds = mPublicKey.getValidSeconds();
if (seconds > Integer.MAX_VALUE) {
Log.e(Constants.TAG, "error, expiry time too large");
return null;
}
if (seconds == 0) {
// no expiry
return null;
}
Date creationDate = getCreationTime();
Calendar calendar = GregorianCalendar.getInstance();
calendar.setTime(creationDate);
calendar.add(Calendar.SECOND, (int) seconds);
return calendar.getTime();
}
public boolean isExpired() {
Date creationDate = mPublicKey.getCreationTime();
Date expiryDate = mPublicKey.getValidSeconds() > 0

4
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedSignature.java
View File

@ -78,6 +78,10 @@ public class WrappedSignature {
return mSig.getCreationTime();
}
public long getKeyExpirySeconds() {
return mSig.getHashedSubPackets().getKeyExpirationTime();
}
public ArrayList<WrappedSignature> getEmbeddedSignatures() {
ArrayList<WrappedSignature> sigs = new ArrayList<>();
if (!mSig.hasSubpackets()) {