Package org.bouncycastle.operator
Interface DigestCalculator
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- 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.
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Method Summary
All Methods Instance Methods Abstract Methods 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.java.io.OutputStream
getOutputStream()
Returns a stream that will accept data for the purpose of calculating a digest.
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Method Detail
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getAlgorithmIdentifier
org.bouncycastle.asn1.x509.AlgorithmIdentifier getAlgorithmIdentifier()
Return the algorithm identifier representing the digest implemented by this calculator.- Returns:
- algorithm id and parameters.
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getOutputStream
java.io.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
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getDigest
byte[] getDigest()
Return the digest calculated on what has been written to the calculator's output stream.- Returns:
- a digest.
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