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https://github.com/moparisthebest/Conversations
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use random string generator instead of BigInteger in DigestMd5
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@ -2,7 +2,6 @@ package eu.siacs.conversations.crypto.sasl;
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import android.util.Base64;
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import java.math.BigInteger;
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import java.nio.charset.Charset;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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@ -52,7 +51,7 @@ public class DigestMd5 extends SaslMechanism {
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+ account.getPassword();
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final MessageDigest md = MessageDigest.getInstance("MD5");
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final byte[] y = md.digest(x.getBytes(Charset.defaultCharset()));
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final String cNonce = new BigInteger(100, rng).toString(32);
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final String cNonce = CryptoHelper.random(100,rng);
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final byte[] a1 = CryptoHelper.concatenateByteArrays(y,
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(":" + nonce + ":" + cNonce).getBytes(Charset.defaultCharset()));
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final String a2 = "AUTHENTICATE:" + digestUri;
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