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org.bouncycastle.crypto.hpke

pack-priv Class HKDF

Class Inheritance

extends Object

java.lang.Object
org.bouncycastle.crypto.hpke.HKDF

Imports

org.bouncycastle.crypto.Digest, org.bouncycastle.crypto.digests.SHA256Digest, .SHA384Digest, .SHA512Digest, org.bouncycastle.crypto.generators.HKDFBytesGenerator, org.bouncycastle.crypto.params.HKDFParameters, org.bouncycastle.util.Arrays, .Pack

Field Summary

Modifier and Type	Field and Description
private final int	hashLength
private final HKDFBytesGenerator	kdf
private static final String	versionLabel

Constructor Summary

Access	Constructor and Description
pack-priv	HKDF(short kdfId)

Method Summary

Modifier and Type	Method and Description
protected byte[]	Expand(byte[] prk, byte[] info, int L)
protected byte[]	Extract(byte[] salt, byte[] ikm)
pack-priv int	getHashSize()
protected byte[]	LabeledExpand(byte[] prk, byte[] suiteID, String label, byte[] info, int L)
protected byte[]	LabeledExtract(byte[] salt, byte[] suiteID, String label, byte[] ikm)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

hashLength	back to summary
private final int hashLength

kdf	back to summary
private final HKDFBytesGenerator kdf

versionLabel	back to summary
private static final String versionLabel

Constructor Detail

HKDF	back to summary
pack-priv HKDF(short kdfId)

Method Detail

Expand	back to summary
protected byte[] Expand(byte[] prk, byte[] info, int L)

Extract	back to summary
protected byte[] Extract(byte[] salt, byte[] ikm)

getHashSize	back to summary
pack-priv int getHashSize()

LabeledExpand	back to summary
protected byte[] LabeledExpand(byte[] prk, byte[] suiteID, String label, byte[] info, int L)

LabeledExtract	back to summary
protected byte[] LabeledExtract(byte[] salt, byte[] suiteID, String label, byte[] ikm)