After two-day struggling with JarFile, ObjectInputStream and
MessageDigest, in the end, I have identified the root cause. And now I
have two panda-eyes[1] ;-)
It seems a bug of
org.apache.harmony.security.provider.crypto.SHA1Impl. As I have no
idea about SHA1. Could any one have a look at this problem?
The following test case passes on RI, but fails on Harmony.
public void testUpdate() throws NoSuchAlgorithmException {
byte[] bytes = { 0x6e, 0x61, 0x6d, 0x65};
MessageDigest sha1 = MessageDigest.getInstance("SHA1");
byte[] digest1 = sha1.digest();
byte b = 0x04;
sha1.update(b);
for (int i = 0; i < bytes.length; i++) {
sha1.update(bytes[i]);
}
byte[] digest2 = sha1.digest();
sha1.reset();
byte[] digest3 = sha1.digest();
assertTrue(MessageDigest.isEqual(digest1, digest3));
sha1.update(b);
sha1.update(bytes, 0, bytes.length);
byte[] digest4 = sha1.digest();
assertTrue(MessageDigest.isEqual(digest2, digest4));
}
[1]http://www.panda.org.cn/zhuye/bbe.jpg
Best regards,
Richard
On 9/11/06, Richard Liang <[EMAIL PROTECTED]> wrote:
On 9/9/06, Geir Magnusson Jr. <[EMAIL PROTECTED]> wrote:
> I was trying the latest snapshot with the JBoss installer (4.0.1) and
> found a problem processing the SHA signatures int the jar manifest.
>
> I've entered a JIRA - HARMONY-1412
>
I will have a look at it. ;-)
> geir
>
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--
Richard Liang
China Software Development Lab, IBM
--
Richard Liang
China Development Lab, IBM
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