net.named_data.jndn.security.tpm

Class TpmKeyHandle

java.lang.Object

net.named_data.jndn.security.tpm.TpmKeyHandle

Direct Known Subclasses:

TpmKeyHandleMemory

public abstract class TpmKeyHandle
extends Object

TpmKeyHandle is an abstract base class for a TPM key handle, which provides an interface to perform cryptographic operations with a key in the TPM.

Constructor Summary

Constructors

Constructor and Description
TpmKeyHandle()

Method Summary

Modifier and Type	Method and Description
Blob	decrypt(ByteBuffer cipherText) Return the plain text which is decrypted from cipherText using this key.
Blob	derivePublicKey() Get the encoded public key derived from this key.
protected abstract Blob	doDecrypt(ByteBuffer cipherText)
protected abstract Blob	doDerivePublicKey()
protected abstract Blob	doSign(DigestAlgorithm digestAlgorithm, ByteBuffer data)
Name	getKeyName()
void	setKeyName(Name keyName)
Blob	sign(DigestAlgorithm digestAlgorithm, ByteBuffer data) Compute a digital signature from the byte buffer using this key with digestAlgorithm.

Methods inherited from class java.lang.Object

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

Constructor Detail

TpmKeyHandle

public TpmKeyHandle()

Method Detail

sign

public final Blob sign(DigestAlgorithm digestAlgorithm,
                       ByteBuffer data)
                throws TpmBackEnd.Error

Compute a digital signature from the byte buffer using this key with digestAlgorithm.

Parameters:

digestAlgorithm - The digest algorithm.

data - The input byte buffer.

Returns:

The signature Blob, or an isNull Blob for an unrecognized digestAlgorithm.

Throws:

TpmBackEnd.Error

decrypt

public final Blob decrypt(ByteBuffer cipherText)
                   throws TpmBackEnd.Error

Return the plain text which is decrypted from cipherText using this key.

Parameters:

cipherText - The cipher text byte buffer.

Returns:

The decrypted data.

Throws:

TpmBackEnd.Error

derivePublicKey

public final Blob derivePublicKey()
                           throws TpmBackEnd.Error

Get the encoded public key derived from this key.

Returns:

The public key encoding Blob.

Throws:

TpmBackEnd.Error

setKeyName

public final void setKeyName(Name keyName)

getKeyName

public final Name getKeyName()

doSign

protected abstract Blob doSign(DigestAlgorithm digestAlgorithm,
                               ByteBuffer data)
                        throws TpmBackEnd.Error

Throws:

TpmBackEnd.Error

doDecrypt

protected abstract Blob doDecrypt(ByteBuffer cipherText)
                           throws TpmBackEnd.Error

Throws:

TpmBackEnd.Error

doDerivePublicKey

protected abstract Blob doDerivePublicKey()
                                   throws TpmBackEnd.Error

Throws:

TpmBackEnd.Error