| package org.bouncycastle.crypto.digests; |
| |
| /** |
| * Encodable digests allow you to download an encoded copy of their internal state. This is useful for the situation where |
| * you need to generate a signature on an external device and it allows for "sign with last round", so a copy of the |
| * internal state of the digest, plus the last few blocks of the message are all that needs to be sent, rather than the |
| * entire message. |
| */ |
| public interface EncodableDigest |
| { |
| /** |
| * Return an encoded byte array for the digest's internal state |
| * |
| * @return an encoding of the digests internal state. |
| */ |
| byte[] getEncodedState(); |
| } |