antville/helma
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Fixed a bug that dropped some zeros in the message digest.

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Added a method that directly takes a byte array as input.
This commit is contained in:
hns 2002-10-28 16:46:10 +00:00
parent 01254c1a88
commit 1690b6bf58
1 changed files with 7 additions and 3 deletions
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10
src/helma/util/MD5Encoder.java
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@ -22,12 +22,16 @@ public class MD5Encoder {
} }
public static String encode(String str) throws NoSuchAlgorithmException { public static String encode(String str) throws NoSuchAlgorithmException {
return encode (str.getBytes());
}
public static String encode(byte[] message) throws NoSuchAlgorithmException {
md = MessageDigest.getInstance("MD5"); md = MessageDigest.getInstance("MD5");
byte[] b = md.digest(str.getBytes()); byte[] b = md.digest(message);
StringBuffer buf = new StringBuffer(); StringBuffer buf = new StringBuffer(b.length*2);
for ( int i=0; i<b.length; i++ ) { for ( int i=0; i<b.length; i++ ) {
int j = (b[i]<0) ? 256+b[i] : b[i]; int j = (b[i]<0) ? 256+b[i] : b[i];
if ( j<10 ) buf.append("0"); if ( j<16 ) buf.append("0");
buf.append(Integer.toHexString(j)); buf.append(Integer.toHexString(j));
} }
return buf.toString(); return buf.toString();