private byte[] addVersion(VoteBlock block, String content) throws Exception {
MessageDigest md = MessageDigest.getInstance("SHA1");
md.update(content.getBytes());
byte[] hash = md.digest();
block.addVersion(0, content.length(), 0, content.length(), hash, hash, false);
return hash;
}
private byte[] getHash(CachedUrlSet set, boolean namesOnly) throws IOException {
MessageDigest dig = null;
try {
dig = MessageDigest.getInstance("SHA-1");
} catch (NoSuchAlgorithmException ex) {
fail("No algorithm.");
}
hash(set, dig, namesOnly);
return dig.digest();
}