iaik.me.security.md
Class SHA224

java.lang.Object
  |
  +--iaik.me.security.MessageDigest
        |
        +--iaik.me.security.md.SHA256
              |
              +--iaik.me.security.md.SHA224

public class SHA224

extends SHA256

This class implements the 32-bit hash algorithm SHA-224 from NIST (FIPS PUB 186-2 Change Notice 1).

Version:

File Revision 2

See Also:

java.security.MessageDigest, SHA224

Fields inherited from class iaik.me.security.MessageDigest

buffer, count, digestLength, padding

Constructor Summary

SHA224()
Construct a new SHA-224 message digest.

Method Summary

byte[][]

getEncodedDigestInfo() Returns the pregenerated ASN1 encoding of the DigestInfo structure for the corresponding digest algorithm, see .

Methods inherited from class iaik.me.security.md.SHA256

clone, compress, digest, reset

Methods inherited from class iaik.me.security.MessageDigest

digest, digest, getAlgorithm, getDigestLength, getInstance, register, update, update, update

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SHA224

public SHA224()

Construct a new SHA-224 message digest.

Method Detail

getEncodedDigestInfo

public byte[][] getEncodedDigestInfo()

Description copied from class: MessageDigest

Returns the pregenerated ASN1 encoding of the DigestInfo structure for the corresponding digest algorithm, see . The digest value is of course NOT included. The two dimensional array cotains the enconding with (index = 0) and without the ASN1 parameter NULL (index = 1).

Overrides:

getEncodedDigestInfo in class SHA256

Following copied from class: iaik.me.security.MessageDigest

Returns:

a two dimensional byte array containing the digestinfo encodings