| package org.bouncycastle.crypto.prng; |
| |
| /** |
| * Generic interface for objects generating random bytes. |
| */ |
| public interface RandomGenerator |
| { |
| /** |
| * Add more seed material to the generator. |
| * |
| * @param seed a byte array to be mixed into the generator's state. |
| */ |
| void addSeedMaterial(byte[] seed); |
| |
| /** |
| * Add more seed material to the generator. |
| * |
| * @param seed a long value to be mixed into the generator's state. |
| */ |
| void addSeedMaterial(long seed); |
| |
| /** |
| * Fill bytes with random values. |
| * |
| * @param bytes byte array to be filled. |
| */ |
| void nextBytes(byte[] bytes); |
| |
| /** |
| * Fill part of bytes with random values. |
| * |
| * @param bytes byte array to be filled. |
| * @param start index to start filling at. |
| * @param len length of segment to fill. |
| */ |
| void nextBytes(byte[] bytes, int start, int len); |
| |
| } |