public static void TestKeyAgreeOriginatorIdentifierOrKey_RoundTrip()
{
KeyAgreeRecipientInfo recipient = EncodeKeyAgreel();
SubjectIdentifierOrKey originator = recipient.OriginatorIdentifierOrKey;
Assert.Equal(SubjectIdentifierOrKeyType.PublicKeyInfo, originator.Type);
object value = originator.Value;
Assert.True(value is PublicKeyInfo);
PublicKeyInfo pki = (PublicKeyInfo)value;
AlgorithmIdentifier a = pki.Algorithm;
Assert.Equal(Oids.Dh, a.Oid.Value);
byte[] key = pki.KeyValue;
Assert.NotNull(key); // Key is randomly generated (and encoding makes the length unpredictable) so not much we can do here.
Assert.NotEmpty(key);
}
public static void TestKeyAgreeOriginatorIdentifierOrKey_FixedValue()
{
KeyAgreeRecipientInfo recipient = FixedValueKeyAgree1();
SubjectIdentifierOrKey originator = recipient.OriginatorIdentifierOrKey;
Assert.Equal(SubjectIdentifierOrKeyType.PublicKeyInfo, originator.Type);
object value = originator.Value;
Assert.True(value is PublicKeyInfo);
PublicKeyInfo pki = (PublicKeyInfo)value;
AlgorithmIdentifier a = pki.Algorithm;
Assert.Equal(Oids.Dh, a.Oid.Value);
byte[] key = pki.KeyValue;
byte[] expectedKey =
("0281806F96EF8C53A6919CC976E88B8F426696E7B7970ABC6BD4ABBDCF4CF34F89CEB6E8EF675000FAD2ECA3CAF9D0E51B00"
+ "4FD19A943F1779748F343FE2059E6E8208D64CB2A5BF33B2C41C20F4AE950D8F8BD720F5747D7930AF86C612088747B5315A"
+ "E68159A5AE8A80E928AA71F4E889CB2D581845EDC8F79DA5894CB7A40F9FBE").HexToByteArray();
Assert.Equal(expectedKey, key);
}
private void Reset(uint originatorChoice, uint version, CAPI.CMSG_RECIPIENT_ENCRYPTED_KEY_INFO encryptedKeyInfo, uint subIndex)
{
this.m_encryptedKeyInfo = encryptedKeyInfo;
this.m_originatorChoice = originatorChoice;
this.m_version = (int)version;
this.m_originatorIdentifier = (SubjectIdentifierOrKey)null;
this.m_userKeyMaterial = new byte[0];
this.m_encryptionAlgorithm = (AlgorithmIdentifier)null;
this.m_recipientIdentifier = (SubjectIdentifier)null;
this.m_encryptedKey = new byte[0];
this.m_date = DateTime.MinValue;
this.m_otherKeyAttribute = (CryptographicAttributeObject)null;
this.m_subIndex = subIndex;
}
