public KekRecipientInfo(
Asn1Sequence seq)
{
version = (DerInteger) seq[0];
kekID = KekIdentifier.GetInstance(seq[1]);
keyEncryptionAlgorithm = AlgorithmIdentifier.GetInstance(seq[2]);
encryptedKey = (Asn1OctetString) seq[3];
}
public KekRecipientInfo(
Asn1Sequence seq)
{
version = (DerInteger)seq[0];
kekID = KekIdentifier.GetInstance(seq[1]);
keyEncryptionAlgorithm = AlgorithmIdentifier.GetInstance(seq[2]);
encryptedKey = (Asn1OctetString)seq[3];
}
public KekRecipientInfo(
KekIdentifier kekID,
AlgorithmIdentifier keyEncryptionAlgorithm,
Asn1OctetString encryptedKey)
{
this.version = new DerInteger(4);
this.kekID = kekID;
this.keyEncryptionAlgorithm = keyEncryptionAlgorithm;
this.encryptedKey = encryptedKey;
}
public KekRecipientInfo(
KekIdentifier kekID,
AlgorithmIdentifier keyEncryptionAlgorithm,
Asn1OctetString encryptedKey)
{
this.version = new DerInteger(4);
this.kekID = kekID;
this.keyEncryptionAlgorithm = keyEncryptionAlgorithm;
this.encryptedKey = encryptedKey;
}
/**
* add a KEK recipient.
* @param key the secret key to use for wrapping
* @param keyIdentifier the byte string that identifies the key
*/
public void AddKekRecipient(
string keyAlgorithm, // TODO Remove need for this parameter
KeyParameter key,
KekIdentifier kekIdentifier)
{
KekRecipientInfoGenerator kekrig = new KekRecipientInfoGenerator();
kekrig.KekIdentifier = kekIdentifier;
kekrig.KeyEncryptionKeyOID = keyAlgorithm;
kekrig.KeyEncryptionKey = key;
recipientInfoGenerators.Add(kekrig);
}