FileDocCategorySizeDatePackage
SHA384Digest.javaAPI DocAzureus 3.0.3.41677Tue Jun 08 05:12:58 BST 2004org.bouncycastle.crypto.digests

SHA384Digest

public class SHA384Digest extends LongDigest
Draft FIPS 180-2 implementation of SHA-384. Note: As this is based on a draft this implementation is subject to change. 
block word digest
SHA-1 512 32 160
SHA-256 512 32 256
SHA-384 1024 64 384
SHA-512 1024 64 512

Fields Summary
private static final int
DIGEST_LENGTH
Constructors Summary
public SHA384Digest()
Standard constructor
public SHA384Digest(SHA384Digest t)
Copy constructor. This will copy the state of the provided message digest.

		super(t);
Methods Summary
public intdoFinal(byte[] out, int outOff)

        finish();

        unpackWord(H1, out, outOff);
        unpackWord(H2, out, outOff + 8);
        unpackWord(H3, out, outOff + 16);
        unpackWord(H4, out, outOff + 24);
        unpackWord(H5, out, outOff + 32);
        unpackWord(H6, out, outOff + 40);

        reset();

        return DIGEST_LENGTH;
public java.lang.StringgetAlgorithmName()

		return "SHA-384";
public intgetDigestSize()

		return DIGEST_LENGTH;
public voidreset()
reset the chaining variables

        super.reset();

		/* SHA-384 initial hash value
		 * The first 64 bits of the fractional parts of the square roots
		 * of the 9th through 16th prime numbers
		 */
		H1 = 0xcbbb9d5dc1059ed8l;
		H2 = 0x629a292a367cd507l;
		H3 = 0x9159015a3070dd17l;
		H4 = 0x152fecd8f70e5939l;
		H5 = 0x67332667ffc00b31l;
		H6 = 0x8eb44a8768581511l;
		H7 = 0xdb0c2e0d64f98fa7l;
		H8 = 0x47b5481dbefa4fa4l;