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prevent NPE in test

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This commit is contained in:
Milos Kozak 2019-07-28 13:26:15 +02:00
parent 53b9d97f5d
commit 68d9a5af70
1 changed files with 8 additions and 6 deletions
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14
app/src/main/java/info/nightscout/androidaps/plugins/general/signatureVerifier/SignatureVerifier.java
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@ -111,12 +111,14 @@ public class SignatureVerifier extends PluginBase implements ConstraintsInterfac
synchronized ($lock) {
if (revokedCerts == null) return false;
Signature[] signatures = MainApp.instance().getPackageManager().getPackageInfo(MainApp.instance().getPackageName(), PackageManager.GET_SIGNATURES).signatures;
for (Signature signature : signatures) {
MessageDigest digest = MessageDigest.getInstance("SHA256");
byte[] fingerprint = digest.digest(signature.toByteArray());
for (byte[] cert : revokedCerts) {
if (Arrays.equals(cert, fingerprint)) {
return true;
if (signatures != null) {
for (Signature signature : signatures) {
MessageDigest digest = MessageDigest.getInstance("SHA256");
byte[] fingerprint = digest.digest(signature.toByteArray());
for (byte[] cert : revokedCerts) {
if (Arrays.equals(cert, fingerprint)) {
return true;
}
}
}
}