Fix to check for zero s value in sign function
If r OR s are zero then recalculate both r and s until they are both non-zero values.
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@ -120,9 +120,8 @@ Key.prototype.signSync = function(hash) {
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var G = ecparams.getG();
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var Q = G.multiply(k);
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var r = Q.getX().toBigInteger().mod(n);
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} while (r.compareTo(BigInteger.ZERO) <= 0);
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var s = k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n);
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var s = k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n);
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} while (r.compareTo(BigInteger.ZERO) <= 0 || s.compareTo(BigInteger.ZERO) <= 0);
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return serializeSig(r, s);
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};
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