Package org.bouncycastle.operator

Interface DigestCalculator

All Known Implementing Classes:
TruncatingDigestCalculator
public interface DigestCalculator
General interface for an operator that is able to calculate a digest from a stream of output.

  • Method Summary

    Modifier and Type
    Method
    Description
    org.bouncycastle.asn1.x509.AlgorithmIdentifier
    getAlgorithmIdentifier()
    Return the algorithm identifier representing the digest implemented by this calculator.
    byte[]
    getDigest()
    Return the digest calculated on what has been written to the calculator's output stream.
    OutputStream
    getOutputStream()
    Returns a stream that will accept data for the purpose of calculating a digest.

  • Method Details

    • getAlgorithmIdentifier

      org.bouncycastle.asn1.x509.AlgorithmIdentifier getAlgorithmIdentifier()
      Return the algorithm identifier representing the digest implemented by this calculator.
      Returns:
      algorithm id and parameters.

    • getOutputStream

      OutputStream getOutputStream()
      Returns a stream that will accept data for the purpose of calculating a digest. Use org.bouncycastle.util.io.TeeOutputStream if you want to accumulate the data on the fly as well.
      Returns:
      an OutputStream

    • getDigest

      byte[] getDigest()
      Return the digest calculated on what has been written to the calculator's output stream.
      Returns:
      a digest.