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KeyGenerator: Check that dsax is greater than zero

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zzz
2016-01-27 13:42:58 +00:00
parent 6ab814a649
commit d2d5a464a3
1 changed files with 2 additions and 2 deletions
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4
core/java/src/net/i2p/crypto/KeyGenerator.java
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@ -208,10 +208,10 @@ public final class KeyGenerator {
SimpleDataStructure[] keys = new SimpleDataStructure[2]; SimpleDataStructure[] keys = new SimpleDataStructure[2];
BigInteger x = null; BigInteger x = null;
// make sure the random key is less than the DSA q // make sure the random key is less than the DSA q and greater than zero
do { do {
x = new NativeBigInteger(160, _context.random()); x = new NativeBigInteger(160, _context.random());
} while (x.compareTo(CryptoConstants.dsaq) >= 0); } while (x.compareTo(CryptoConstants.dsaq) >= 0 || x.equals(BigInteger.ZERO));
BigInteger y = CryptoConstants.dsag.modPow(x, CryptoConstants.dsap); BigInteger y = CryptoConstants.dsag.modPow(x, CryptoConstants.dsap);
keys[0] = new SigningPublicKey(); keys[0] = new SigningPublicKey();