moparisthebest/open-keychain
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check whether the hashed packet is non-null before using it, also checking the unhashed ones in the same manner... not sure whether that's needed, but can't hurt? Fixes issue 17.

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This commit is contained in:
Thialfihar 2010-05-04 13:11:56 +00:00
parent 95e02158d8
commit 778f51dbaa
1 changed files with 26 additions and 11 deletions
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37
src/org/thialfihar/android/apg/Apg.java
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@ -1019,13 +1019,21 @@ public class Apg {
}
for (PGPSignature sig : new IterableIterator<PGPSignature>(key.getSignatures())) {
if (!key.isMasterKey() || sig.getKeyID() == key.getKeyID()) {
PGPSignatureSubpacketVector hashed = sig.getHashedSubPackets();
if (key.isMasterKey() && sig.getKeyID() != key.getKeyID()) {
continue;
}
PGPSignatureSubpacketVector hashed = sig.getHashedSubPackets();
if ((hashed.getKeyFlags() &
(KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE)) != 0) {
return true;
}
if (hashed != null &&(hashed.getKeyFlags() &
(KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE)) != 0) {
return true;
}
PGPSignatureSubpacketVector unhashed = sig.getUnhashedSubPackets();
if (unhashed != null &&(unhashed.getKeyFlags() &
(KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE)) != 0) {
return true;
}
}
return false;
@ -1046,12 +1054,19 @@ public class Apg {
}
for (PGPSignature sig : new IterableIterator<PGPSignature>(key.getSignatures())) {
if (!key.isMasterKey() || sig.getKeyID() == key.getKeyID()) {
PGPSignatureSubpacketVector hashed = sig.getHashedSubPackets();
if (key.isMasterKey() && sig.getKeyID() != key.getKeyID()) {
continue;
}
PGPSignatureSubpacketVector hashed = sig.getHashedSubPackets();
if ((hashed.getKeyFlags() & KeyFlags.SIGN_DATA) != 0) {
return true;
}
if (hashed != null && (hashed.getKeyFlags() & KeyFlags.SIGN_DATA) != 0) {
return true;
}
PGPSignatureSubpacketVector unhashed = sig.getUnhashedSubPackets();
if (unhashed != null && (unhashed.getKeyFlags() & KeyFlags.SIGN_DATA) != 0) {
return true;
}
}