/// <summary>
/// Set the key name in keyHandle according to identityName and params.
/// </summary>
///
protected static internal void setKeyName(TpmKeyHandle keyHandle, Name identityName,
KeyParams paras)
{
Name.Component keyId;
if (paras.getKeyIdType() == net.named_data.jndn.security.KeyIdType.USER_SPECIFIED)
{
keyId = paras.getKeyId();
}
else if (paras.getKeyIdType() == net.named_data.jndn.security.KeyIdType.SHA256)
{
byte[] digest = net.named_data.jndn.util.Common.digestSha256(keyHandle.derivePublicKey()
.buf());
keyId = new Name.Component(digest);
}
else if (paras.getKeyIdType() == net.named_data.jndn.security.KeyIdType.RANDOM)
{
if (paras.getKeyId().getValue().size() == 0)
{
throw new TpmBackEnd.Error(
"setKeyName: The keyId is empty for type RANDOM");
}
keyId = paras.getKeyId();
}
else
{
throw new TpmBackEnd.Error("setKeyName: unrecognized params.getKeyIdType()");
}
keyHandle.setKeyName(net.named_data.jndn.security.pib.PibKey.constructKeyName(identityName, keyId));
}
/// <summary>
/// Get the public portion of an asymmetric key pair with name keyName.
/// </summary>
///
/// <param name="keyName">The name of the key.</param>
/// <returns>The encoded public key, or an isNull Blob if the key does not exist.</returns>
public Blob getPublicKey(Name keyName)
{
TpmKeyHandle key = findKey(keyName);
if (key == null)
{
return(new Blob());
}
else
{
return(key.derivePublicKey());
}
}
