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-rw-r--r--signature-standards/sigs-pades/src/main/java/at/gv/egiz/pdfas/sigs/pades/PAdESSignerKeystore.java3
1 files changed, 3 insertions, 0 deletions
diff --git a/signature-standards/sigs-pades/src/main/java/at/gv/egiz/pdfas/sigs/pades/PAdESSignerKeystore.java b/signature-standards/sigs-pades/src/main/java/at/gv/egiz/pdfas/sigs/pades/PAdESSignerKeystore.java
index 758e98dd..7772fd3a 100644
--- a/signature-standards/sigs-pades/src/main/java/at/gv/egiz/pdfas/sigs/pades/PAdESSignerKeystore.java
+++ b/signature-standards/sigs-pades/src/main/java/at/gv/egiz/pdfas/sigs/pades/PAdESSignerKeystore.java
@@ -77,6 +77,9 @@ public class PAdESSignerKeystore implements IPlainSigner {
KeyStore ks = KeyStore.getInstance(type);
ks.load(new FileInputStream(file), kspassword.toCharArray());
privKey = (PrivateKey) ks.getKey(alias, keypassword.toCharArray());
+ if(privKey == null) {
+ throw new PdfAsException("error.pdf.sig.13");
+ }
cert = new X509Certificate(ks.getCertificate(alias).getEncoded());
} catch (Throwable e) {
throw new PdfAsException("error.pdf.sig.02", e);