Digest.java
资源名称:security.rar [点击查看]
上传用户:lior1029
上传日期:2013-05-07
资源大小:209k
文件大小:1k
源码类别:
CA认证
开发平台:
Java
- package org.bouncycastle.crypto;
- /**
- * interface that a message digest conforms to.
- */
- public interface Digest
- {
- /**
- * return the algorithm name
- *
- * @return the algorithm name
- */
- public String getAlgorithmName();
- /**
- * return the size, in bytes, of the digest produced by this message digest.
- *
- * @return the size, in bytes, of the digest produced by this message digest.
- */
- public int getDigestSize();
- /**
- * update the message digest with a single byte.
- *
- * @param in the input byte to be entered.
- */
- public void update(byte in);
- /**
- * update the message digest with a block of bytes.
- *
- * @param in the byte array containing the data.
- * @param inOff the offset into the byte array where the data starts.
- * @param len the length of the data.
- */
- public void update(byte[] in, int inOff, int len);
- /**
- * close the digest, producing the final digest value. The doFinal
- * call leaves the digest reset.
- *
- * @param out the array the digest is to be copied into.
- * @param outOff the offset into the out array the digest is to start at.
- */
- public int doFinal(byte[] out, int outOff);
- /**
- * reset the digest back to it's initial state.
- */
- public void reset();
- }