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use random string generator instead of BigInteger in DigestMd5

This commit is contained in:
Daniel Gultsch 2017-08-01 12:27:26 +02:00
parent 82c5924434
commit 768eadde36
1 changed files with 1 additions and 2 deletions
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3
src/main/java/eu/siacs/conversations/crypto/sasl/DigestMd5.java
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@ -2,7 +2,6 @@ package eu.siacs.conversations.crypto.sasl;
import android.util.Base64; import android.util.Base64;
import java.math.BigInteger;
import java.nio.charset.Charset; import java.nio.charset.Charset;
import java.security.MessageDigest; import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException; import java.security.NoSuchAlgorithmException;
@ -52,7 +51,7 @@ public class DigestMd5 extends SaslMechanism {
+ account.getPassword(); + account.getPassword();
final MessageDigest md = MessageDigest.getInstance("MD5"); final MessageDigest md = MessageDigest.getInstance("MD5");
final byte[] y = md.digest(x.getBytes(Charset.defaultCharset())); final byte[] y = md.digest(x.getBytes(Charset.defaultCharset()));
final String cNonce = new BigInteger(100, rng).toString(32); final String cNonce = CryptoHelper.random(100,rng);
final byte[] a1 = CryptoHelper.concatenateByteArrays(y, final byte[] a1 = CryptoHelper.concatenateByteArrays(y,
(":" + nonce + ":" + cNonce).getBytes(Charset.defaultCharset())); (":" + nonce + ":" + cNonce).getBytes(Charset.defaultCharset()));
final String a2 = "AUTHENTICATE:" + digestUri; final String a2 = "AUTHENTICATE:" + digestUri;