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Catch NullPointerException from bouncy castle signature verification. This can be triggered by a specially crafted signature. Thanks to Sergio Damian Lerner for finding this.

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This commit is contained in:
Mike Hearn 2013-02-19 22:33:15 +01:00
parent 4b4eb7b623
commit 32cc7b4880
1 changed files with 3 additions and 0 deletions
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core/src/main/java/com/google/bitcoin/core/ECKey.java
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@ -326,6 +326,9 @@ public class ECKey implements Serializable {
return signer.verifySignature(data, r.getPositiveValue(), s.getPositiveValue()); return signer.verifySignature(data, r.getPositiveValue(), s.getPositiveValue());
} catch (IOException e) { } catch (IOException e) {
throw new RuntimeException(e); throw new RuntimeException(e);
} catch (NullPointerException e) {
// Bug in BouncyCastle can cause this for invalid signatures.
return false;
} }
} }