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Fix 1.6ism 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@951016 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2010-06-03 14:58:02 +00:00
parent 390c6f797a
commit 9c68267a68
1 changed files with 9 additions and 1 deletions
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10
src/java/org/apache/poi/poifs/crypt/Decryptor.java
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@ -26,6 +26,7 @@ import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec; import javax.crypto.spec.SecretKeySpec;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset; import java.nio.charset.Charset;
import java.security.GeneralSecurityException; import java.security.GeneralSecurityException;
import java.security.MessageDigest; import java.security.MessageDigest;
@ -48,8 +49,15 @@ public class Decryptor {
private void generatePasswordHash(String password) throws NoSuchAlgorithmException { private void generatePasswordHash(String password) throws NoSuchAlgorithmException {
MessageDigest sha1 = MessageDigest.getInstance("SHA-1"); MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
byte[] passwordBytes;
try {
passwordBytes = password.getBytes("UTF-16LE");
} catch(UnsupportedEncodingException e) {
throw new RuntimeException("Your JVM is broken - UTF16 not found!");
}
sha1.update(info.getVerifier().getSalt()); sha1.update(info.getVerifier().getSalt());
byte[] hash = sha1.digest(password.getBytes(Charset.forName("UTF-16LE"))); byte[] hash = sha1.digest(passwordBytes);
byte[] iterator = new byte[4]; byte[] iterator = new byte[4];
for (int i = 0; i<50000; i++) { for (int i = 0; i<50000; i++) {