public static void TestSubkeyMethods(CryptoImplementation cryptoImplementation)
{
SetupAssembly.AssemblySetupCrypto(cryptoImplementation);
SymmetricKey key = new SymmetricKey(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 });
Subkey subkey = null;
Assert.Throws <ArgumentNullException>(() =>
{
subkey = new Subkey(null, HeaderSubkey.Data);
});
Assert.Throws <InternalErrorException>(() =>
{
subkey = new Subkey(key, HeaderSubkey.None);
});
subkey = new Subkey(key, HeaderSubkey.Data);
Assert.That(subkey.Key.Size, Is.EqualTo(128), "A Subkey is exactly 16 bytes.");
Assert.That(subkey.Key.GetBytes(), Is.EquivalentTo(new byte[] { 0x5f, 0xfe, 0x14, 0x56, 0xd5, 0x94, 0xf9, 0x22, 0x42, 0xe3, 0x66, 0x8f, 0x8c, 0xe6, 0xea, 0xc6 }), "Comparing with a pre-calculated value assumed to be correct.");
subkey = new Subkey(key, HeaderSubkey.Headers);
Assert.That(subkey.Key.Size, Is.EqualTo(128), "A Subkey is exactly 16 bytes.");
Assert.That(subkey.Key.GetBytes(), Is.EquivalentTo(new byte[] { 0x1c, 0x81, 0x0e, 0xe7, 0x65, 0xe7, 0x0b, 0x8f, 0x7a, 0xa3, 0x2b, 0x03, 0x05, 0x07, 0xf8, 0x8a }), "Comparing with a pre-calculated value assumed to be correct.");
subkey = new Subkey(key, HeaderSubkey.Hmac);
Assert.That(subkey.Key.Size, Is.EqualTo(128), "A Subkey is exactly 16 bytes.");
Assert.That(subkey.Key.GetBytes(), Is.EquivalentTo(new byte[] { 0xdb, 0xf1, 0x84, 0x11, 0x2e, 0xb9, 0x11, 0x16, 0x59, 0x71, 0x2b, 0xaf, 0xcf, 0xf2, 0xab, 0x24 }), "Comparing with a pre-calculated value assumed to be correct.");
subkey = new Subkey(key, HeaderSubkey.Validator);
Assert.That(subkey.Key.Size, Is.EqualTo(128), "A Subkey is exactly 16 bytes.");
Assert.That(subkey.Key.GetBytes(), Is.EquivalentTo(new byte[] { 0x45, 0x22, 0xa0, 0x3d, 0x98, 0x00, 0x9d, 0x55, 0x45, 0xed, 0x42, 0xfb, 0xd8, 0x35, 0x78, 0xd0 }), "Comparing with a pre-calculated value assumed to be correct.");
Assert.That(new Subkey(key, HeaderSubkey.Hmac).Key.GetBytes(), Is.EquivalentTo(new Subkey(key, HeaderSubkey.Hmac).Key.GetBytes()), "The subkey generation should be stable.");
}
internal void Encode(AsnWriter writer, Asn1Tag tag)
{
writer.PushSequence(tag);
writer.PushSequence(new Asn1Tag(TagClass.ContextSpecific, 0));
writer.WriteInteger(AuthenticatorVersionNumber);
writer.PopSequence(new Asn1Tag(TagClass.ContextSpecific, 0));
writer.PushSequence(new Asn1Tag(TagClass.ContextSpecific, 1));
writer.WriteCharacterString(UniversalTagNumber.GeneralString, Realm);
writer.PopSequence(new Asn1Tag(TagClass.ContextSpecific, 1));
writer.PushSequence(new Asn1Tag(TagClass.ContextSpecific, 2));
CName?.Encode(writer);
writer.PopSequence(new Asn1Tag(TagClass.ContextSpecific, 2));
if (Asn1Extension.HasValue(Checksum))
{
writer.PushSequence(new Asn1Tag(TagClass.ContextSpecific, 3));
Checksum?.Encode(writer);
writer.PopSequence(new Asn1Tag(TagClass.ContextSpecific, 3));
}
writer.PushSequence(new Asn1Tag(TagClass.ContextSpecific, 4));
writer.WriteInteger(CuSec);
writer.PopSequence(new Asn1Tag(TagClass.ContextSpecific, 4));
writer.PushSequence(new Asn1Tag(TagClass.ContextSpecific, 5));
writer.WriteGeneralizedTime(CTime);
writer.PopSequence(new Asn1Tag(TagClass.ContextSpecific, 5));
if (Asn1Extension.HasValue(Subkey))
{
writer.PushSequence(new Asn1Tag(TagClass.ContextSpecific, 6));
Subkey?.Encode(writer);
writer.PopSequence(new Asn1Tag(TagClass.ContextSpecific, 6));
}
if (Asn1Extension.HasValue(SequenceNumber))
{
writer.PushSequence(new Asn1Tag(TagClass.ContextSpecific, 7));
writer.WriteInteger(SequenceNumber.Value);
writer.PopSequence(new Asn1Tag(TagClass.ContextSpecific, 7));
}
if (Asn1Extension.HasValue(AuthorizationData))
{
writer.PushSequence(new Asn1Tag(TagClass.ContextSpecific, 8));
writer.PushSequence();
for (int i = 0; i < AuthorizationData.Length; i++)
{
AuthorizationData[i]?.Encode(writer);
}
writer.PopSequence();
writer.PopSequence(new Asn1Tag(TagClass.ContextSpecific, 8));
}
writer.PopSequence(tag);
}
/// <summary>Locks all subkeys and overwrites their secret data.</summary>
public void Lock()
{
if (_ltSubkeys != null)
{
foreach (PgpSignature Subkey in _ltSubkeys)
{
Subkey.Lock();
}
}
}
/// <summary>Given a <see cref="Subkey"/>, returns a string that can be used to represent the key to a user.</summary>
public static string GetKeyName(Subkey key)
{
if(key == null) throw new ArgumentNullException();
bool signing = key.HasCapabilities(KeyCapabilities.Sign);
bool encryption = key.HasCapabilities(KeyCapabilities.Encrypt);
string type = signing && encryption ? " signing/encryption" :
encryption ? " encryption" :
signing ? " signing" : null;
return key.Length.ToString() + "-bit " + key.KeyType + type + " key, created on " +
key.CreationTime.ToShortDateString();
}
} // correctly until the form is redrawn...
/// <summary>Gets the <see cref="Subkey"/> objects selected by the user.</summary>
Subkey[] GetSelectedKeys()
{
Subkey[] keys = new Subkey[subkeys.SelectedItems.Count];
for(int i=0; i<keys.Length; i++) keys[i] = ((SubkeyItem)subkeys.SelectedItems[i]).Subkey;
return keys;
}
internal void UpdateFromMem(IntPtr keyPtr)
{
_gpgme_key key = (_gpgme_key)
Marshal.PtrToStructure(keyPtr,
typeof(_gpgme_key));
this.keyPtr = keyPtr;
revoked = key.revoked;
expired = key.expired;
disabled = key.disabled;
invalid = key.invalid;
can_encrypt = key.can_encrypt;
can_sign = key.can_sign;
can_certify = key.can_certify;
can_authenticate = key.can_authenticate;
is_qualified = key.is_qualified;
secret = key.secret;
protocol = (Protocol)key.protocol;
owner_trust = (Validity)key.owner_trust;
keylistmode = (KeylistMode)key.keylist_mode;
issuer_name = Gpgme.PtrToStringUTF8(key.issuer_name);
issuer_serial = Gpgme.PtrToStringAnsi(key.issuer_serial);
chain_id = Gpgme.PtrToStringAnsi(key.chain_id);
if (key.subkeys != (IntPtr)0)
subkeys = new Subkey(key.subkeys);
if (key.uids != (IntPtr)0)
uids = new UserId(key.uids);
}
/// <summary>Initializes a new <see cref="SubkeyItem"/> with the <see cref="PGP.Subkey"/> that it represents, and the
/// text of the item.
/// </summary>
public SubkeyItem(Subkey subkey, string text) : base(text)
{
if(subkey == null) throw new ArgumentNullException();
this.subkey = subkey;
this.Name = subkey.EffectiveId;
}
/// <summary>Initializes a new <see cref="SubkeyItem"/> with the <see cref="PGP.Subkey"/> that it represents.</summary>
public SubkeyItem(Subkey subkey) : this(subkey, string.Empty) { }