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Code Issues Releases Wiki Activity

improve robustness of SecretKeyType handling

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This commit is contained in:
Vincent Breitmoser 2015-05-28 22:34:02 +02:00
parent c8f788b925
commit c4d392051c
3 changed files with 11 additions and 9 deletions
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12
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedSecretKey.java
View File

@ -123,9 +123,10 @@ public class CanonicalizedSecretKey extends CanonicalizedPublicKey {
}
public SecretKeyType getSecretKeyType() {
if (mSecretKey.getS2K() != null && mSecretKey.getS2K().getType() == S2K.GNU_DUMMY_S2K) {
S2K s2k = mSecretKey.getS2K();
if (s2k != null && s2k.getType() == S2K.GNU_DUMMY_S2K) {
// divert to card is special
if (mSecretKey.getS2K().getProtectionMode() == S2K.GNU_PROTECTION_MODE_DIVERT_TO_CARD) {
if (s2k.getProtectionMode() == S2K.GNU_PROTECTION_MODE_DIVERT_TO_CARD) {
return SecretKeyType.DIVERT_TO_CARD;
}
// no matter the exact protection mode, it's some kind of dummy key
@ -156,9 +157,10 @@ public class CanonicalizedSecretKey extends CanonicalizedPublicKey {
*/
public boolean unlock(Passphrase passphrase) throws PgpGeneralException {
// handle keys on OpenPGP cards like they were unlocked
if (mSecretKey.getS2K() != null
&& mSecretKey.getS2K().getType() == S2K.GNU_DUMMY_S2K
&& mSecretKey.getS2K().getProtectionMode() == S2K.GNU_PROTECTION_MODE_DIVERT_TO_CARD) {
S2K s2k = mSecretKey.getS2K();
if (s2k != null
&& s2k.getType() == S2K.GNU_DUMMY_S2K
&& s2k.getProtectionMode() == S2K.GNU_PROTECTION_MODE_DIVERT_TO_CARD) {
mPrivateKeyState = PRIVATE_KEY_STATE_DIVERT_TO_CARD;
return true;
}

6
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java
View File

@ -1478,13 +1478,13 @@ public class PgpKeyOperation {
private static boolean isDummy(PGPSecretKey secretKey) {
S2K s2k = secretKey.getS2K();
return s2k.getType() == S2K.GNU_DUMMY_S2K
&& s2k.getProtectionMode() == S2K.GNU_PROTECTION_MODE_NO_PRIVATE_KEY;
return s2k != null && s2k.getType() == S2K.GNU_DUMMY_S2K
&& s2k.getProtectionMode() != S2K.GNU_PROTECTION_MODE_DIVERT_TO_CARD;
}
private static boolean isDivertToCard(PGPSecretKey secretKey) {
S2K s2k = secretKey.getS2K();
return s2k.getType() == S2K.GNU_DUMMY_S2K
return s2k != null && s2k.getType() == S2K.GNU_DUMMY_S2K
&& s2k.getProtectionMode() == S2K.GNU_PROTECTION_MODE_DIVERT_TO_CARD;
}

2
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
View File

@ -831,7 +831,7 @@ public class ProviderHelper {
mIndent -= 1;
// this implicitly leaves all keys which were not in the secret key ring
// with has_secret = 0
// with has_secret = 1
}
log(LogType.MSG_IS_SUCCESS);