/** Try with all signatures and return the name of the signature that matched */
public String verify(String sig, ByteBuffer data) {
exception = null;
for (Map.Entry<String, PublicKey> entry : keys.entrySet()) {
boolean verified;
try {
verified = CryptoKeys.verify(entry.getValue(), Base64.base64ToByteArray(sig), data);
log.info("verified {} ", verified);
if (verified) return entry.getKey();
} catch (Exception e) {
exception = e;
log.info("NOT verified ");
}
}
return null;
}
