/**
* Do we know about the following key?
*
* @since 0.7.12
*/
public boolean haveKey(String key) {
if (key.length() != KEYSIZE_B64_BYTES) return false;
SigningPublicKey signingPublicKey = new SigningPublicKey();
try {
signingPublicKey.fromBase64(key);
} catch (DataFormatException dfe) {
return false;
}
return _trustedKeys.containsKey(signingPublicKey);
}
/**
* Duplicate keys or names rejected, except that duplicate empty names are allowed
*
* @param key 172 character base64 string
* @param name non-null but "" ok
* @since 0.7.12
* @return true if successful
*/
public boolean addKey(String key, String name) {
if (_log.shouldLog(Log.DEBUG)) _log.debug("Adding " + name + ": " + key);
SigningPublicKey signingPublicKey = new SigningPublicKey();
try {
// fromBase64() will throw a DFE if length is not right
signingPublicKey.fromBase64(key);
} catch (DataFormatException dfe) {
_log.error("Invalid signing key for " + name + " : " + key, dfe);
return false;
}
String oldName = _trustedKeys.get(signingPublicKey);
// already there?
if (name.equals(oldName)) return true;
if (oldName != null && !oldName.equals("")) {
_log.error("Key for " + name + " already stored for different name " + oldName + " : " + key);
return false;
}
if ((!name.equals("")) && _trustedKeys.containsValue(name)) {
_log.error("Key mismatch for " + name + ", spoof attempt? : " + key);
return false;
}
_trustedKeys.put(signingPublicKey, name);
return true;
}
