Examples of com.sun.midp.crypto.MessageDigest.digest()

com.sun.midp.crypto.MessageDigest.digest()
Completes the hash computation by performing final operations such as padding. The digest is reset after this call is made. @param buf output buffer for the computed digest @param offset offset into the output buffer to begin storing the digest @param len number of bytes within buf allotted for the digest @return the number of bytes placed into buf @exception DigestException if an error occurs.


        byte[] tmp = new byte[20];
        try {
            MessageDigest md = MessageDigest.getInstance("SHA-1");
            md.update(data, offset, length);
            md.digest(tmp, 0, tmp.length);
        } catch (GeneralSecurityException e) {
            // algorithm not found - not in this implementation
            throw new RuntimeException(
                "SHA-1 algorithm for MessageDigest not supported");
        }

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