static void TestAdd()
{
asn = new AsnEncodedDataCollection() ;
try
{
asn.Add( null ) ;
Result = false ;
}
catch( ArgumentNullException )
{
Result = true ;
}
catch( Exception )
{
Result = false ;
}
//add normal case
AsnEncodedData data1 = new AsnEncodedData( oid , new byte[]{1,2,3} ) ;
AsnEncodedData data2 = new AsnEncodedData( oid , new byte[]{5,6,7} ) ;
asn = new AsnEncodedDataCollection(data1) ;
asn.Add( data2 ) ;
Result = asn.Count == 2 ;
//Add where OIDs don't match
data2 = new AsnEncodedData(badOid , new byte[]{1,2,3,4} ) ;
asn = GetCollection(data1) ;
try
{
asn.Add(data2) ;
Result = false ;
}
catch(CryptographicException)
{
Result = true ;
}
catch(Exception e)
{
Result = false ;
Console.WriteLine(e) ;
}
//add w/ a empty Oid
data2.Oid = new Oid() ;
asn = GetCollection(data1) ;
try
{
asn.Add(data2) ;
Result = false ;
}
catch(CryptographicException)
{
Result = true ;
}
catch(Exception e)
{
Result = false ;
Console.WriteLine(e) ;
}
}
public static void Add()
{
AsnEncodedData a0 = new AsnEncodedData("1.0", Array.Empty<byte>());
AsnEncodedData a1 = new AsnEncodedData("1.1", Array.Empty<byte>());
AsnEncodedData a2 = new AsnEncodedData("1.2", Array.Empty<byte>());
AsnEncodedDataCollection c = new AsnEncodedDataCollection();
int index;
index = c.Add(a0);
Assert.Equal(0, index);
index = c.Add(a1);
Assert.Equal(1, index);
index = c.Add(a2);
Assert.Equal(2, index);
AssertEquals(c, new AsnEncodedData[] { a0, a1, a2 });
}
public static void CryptographicAttributeObjectMismatch()
{
Oid oid = new Oid(Oids.DocumentDescription);
Oid wrongOid = new Oid(Oids.DocumentName);
AsnEncodedDataCollection col = new AsnEncodedDataCollection();
col.Add(new AsnEncodedData(oid, new byte[3]));
object ignore;
Assert.Throws <InvalidOperationException>(() => ignore = new CryptographicAttributeObject(wrongOid, col));
}
/// <summary>
/// Allows encoding data that the production helper does not.
/// </summary>
private static CryptographicAttributeObject GetCommitmentTypeTestAttribute(params string[] oids)
{
var commitmentTypeIndication = new Oid(Oids.CommitmentTypeIndication);
var values = new AsnEncodedDataCollection();
foreach (var oid in oids)
{
var value = DerEncoder.ConstructSequence(DerEncoder.SegmentedEncodeOid(oid));
values.Add(new AsnEncodedData(commitmentTypeIndication, value));
}
return(new CryptographicAttributeObject(commitmentTypeIndication, values));
}
public static void CopyExceptions()
{
AsnEncodedData a0 = new AsnEncodedData("1.0", Array.Empty <byte>());
AsnEncodedData a1 = new AsnEncodedData("1.1", Array.Empty <byte>());
AsnEncodedData a2 = new AsnEncodedData("1.2", Array.Empty <byte>());
AsnEncodedDataCollection c = new AsnEncodedDataCollection();
c.Add(a0);
c.Add(a1);
c.Add(a2);
Assert.Throws <ArgumentNullException>(() => c.CopyTo(null, 0));
AsnEncodedData[] a = new AsnEncodedData[3];
Assert.Throws <ArgumentOutOfRangeException>(() => c.CopyTo(a, -1));
Assert.Throws <ArgumentOutOfRangeException>(() => c.CopyTo(a, 3));
Assert.Throws <ArgumentException>(() => c.CopyTo(a, 1));
// Array has non-zero lower bound
ICollection ic = c;
Array array = Array.CreateInstance(typeof(object), new int[] { 10 }, new int[] { 10 });
Assert.Throws <IndexOutOfRangeException>(() => ic.CopyTo(array, 0));
}
private static unsafe void AddCryptAttribute(CryptographicAttributeObjectCollection collection, CRYPT_ATTRIBUTE *pCryptAttribute)
{
string oidValue = pCryptAttribute->pszObjId.ToStringAnsi();
Oid oid = new Oid(oidValue);
AsnEncodedDataCollection attributeCollection = new AsnEncodedDataCollection();
for (int i = 0; i < pCryptAttribute->cValue; i++)
{
byte[] encodedAttribute = pCryptAttribute->rgValue[i].ToByteArray();
AsnEncodedData attributeObject = PkcsHelpers.CreateBestPkcs9AttributeObjectAvailable(oid, encodedAttribute);
attributeCollection.Add(attributeObject);
}
collection.Add(new CryptographicAttributeObject(oid, attributeCollection));
}
private static unsafe void AddCryptAttribute(CryptographicAttributeObjectCollection collection, CRYPT_ATTRIBUTE *pCryptAttribute)
{
string oidValue = pCryptAttribute->pszObjId.ToStringAnsi();
Oid oid = new Oid(oidValue);
AsnEncodedDataCollection attributeCollection = new AsnEncodedDataCollection();
for (int i = 0; i < pCryptAttribute->cValue; i++)
{
// CreateBestPkcs9AttributeObjectAvailable is expected to create a copy of the data so that it has ownership
// of the underlying data.
ReadOnlySpan <byte> encodedAttribute = pCryptAttribute->rgValue[i].DangerousAsSpan();
AsnEncodedData attributeObject = PkcsHelpers.CreateBestPkcs9AttributeObjectAvailable(oid, encodedAttribute);
attributeCollection.Add(attributeObject);
}
collection.Add(new CryptographicAttributeObject(oid, attributeCollection));
}
/// <summary>
/// Get the ANS.1 encoded data from the certificate.
/// </summary>
/// <param name="certificate">The certificate.</param>
/// <returns>The collection of ANS.1 encoded data.</returns>
public AsnEncodedDataCollection GetData(X509Certificate2 certificate)
{
// Create a new AsnEncodedDataCollection object.
AsnEncodedDataCollection asncoll = new AsnEncodedDataCollection();
// Display extensions information.
foreach (X509Extension extension in certificate.Extensions)
{
// Create an AsnEncodedData object using the extensions information.
AsnEncodedData asndata = new AsnEncodedData(extension.Oid, extension.RawData);
// Add the AsnEncodedData object to the AsnEncodedDataCollection object.
asncoll.Add(asndata);
}
// Return the ASN.1 encoded data.
return(asncoll);
}
internal unsafe CryptographicAttributeObjectCollection ReadAttributes(CRYPT_ATTRIBUTES attributes)
{
var collection = new CryptographicAttributeObjectCollection();
var attributeSize = Marshal.SizeOf <CRYPT_ATTRIBUTE>();
var blobSize = Marshal.SizeOf <CRYPTOAPI_BLOB>();
for (var i = 0; i < attributes.cAttr; i++)
{
var structure = Marshal.PtrToStructure <CRYPT_ATTRIBUTE>(attributes.rgAttr + (i * attributeSize));
var asnValues = new AsnEncodedDataCollection();
for (var j = 0; j < structure.cValue; j++)
{
var blob = Marshal.PtrToStructure <CRYPTOAPI_BLOB>(structure.rgValue + j * blobSize);
asnValues.Add(new AsnEncodedData(structure.pszObjId, ReadBlob(blob)));
}
collection.Add(new CryptographicAttributeObject(new Oid(structure.pszObjId), asnValues));
}
return(collection);
}
internal static AsnEncodedDataCollection GetAsnEncodedDataCollection(CAPI.CRYPT_ATTRIBUTE cryptAttribute)
{
AsnEncodedDataCollection encodedDataCollection = new AsnEncodedDataCollection();
Oid oid = new Oid(cryptAttribute.pszObjId);
string name = oid.Value;
for (uint index = 0U; index < cryptAttribute.cValue; ++index)
{
IntPtr pBlob = new IntPtr((long)cryptAttribute.rgValue + (long)index * (long)Marshal.SizeOf(typeof(CAPI.CRYPTOAPI_BLOB)));
Pkcs9AttributeObject pkcs9AttributeObject1 = new Pkcs9AttributeObject(oid, CAPI.BlobToByteArray(pBlob));
Pkcs9AttributeObject pkcs9AttributeObject2 = CryptoConfig.CreateFromName(name) as Pkcs9AttributeObject;
if (pkcs9AttributeObject2 != null)
{
pkcs9AttributeObject2.CopyFrom((AsnEncodedData)pkcs9AttributeObject1);
pkcs9AttributeObject1 = pkcs9AttributeObject2;
}
encodedDataCollection.Add((AsnEncodedData)pkcs9AttributeObject1);
}
return(encodedDataCollection);
}
internal static AsnEncodedDataCollection GetAsnEncodedDataCollection(System.Security.Cryptography.CAPI.CRYPT_ATTRIBUTE cryptAttribute)
{
AsnEncodedDataCollection datas = new AsnEncodedDataCollection();
Oid oid = new Oid(cryptAttribute.pszObjId);
string name = oid.Value;
for (uint i = 0; i < cryptAttribute.cValue; i++)
{
IntPtr pBlob = new IntPtr(((long)cryptAttribute.rgValue) + (i * Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB))));
Pkcs9AttributeObject asnEncodedData = new Pkcs9AttributeObject(oid, System.Security.Cryptography.CAPI.BlobToByteArray(pBlob));
Pkcs9AttributeObject obj3 = CryptoConfig.CreateFromName(name) as Pkcs9AttributeObject;
if (obj3 != null)
{
obj3.CopyFrom(asnEncodedData);
asnEncodedData = obj3;
}
datas.Add(asnEncodedData);
}
return(datas);
}
public static void AddNegative()
{
AsnEncodedDataCollection c = new AsnEncodedDataCollection();
Assert.Throws <ArgumentNullException>(() => c.Add(null));
}
public static void IndexOutOfBounds()
{
AsnEncodedData a0 = new AsnEncodedData("1.0", Array.Empty<byte>());
AsnEncodedData a1 = new AsnEncodedData("1.1", Array.Empty<byte>());
AsnEncodedData a2 = new AsnEncodedData("1.2", Array.Empty<byte>());
AsnEncodedDataCollection c = new AsnEncodedDataCollection();
c.Add(a0);
c.Add(a1);
c.Add(a2);
Assert.Throws<ArgumentOutOfRangeException>(() => c[-1]);
Assert.Throws<ArgumentOutOfRangeException>(() => c[3]);
}
public static void AddNegative()
{
AsnEncodedDataCollection c = new AsnEncodedDataCollection();
Assert.Throws<ArgumentNullException>(() => c.Add(null));
}
public static void CopyExceptions()
{
AsnEncodedData a0 = new AsnEncodedData("1.0", Array.Empty<byte>());
AsnEncodedData a1 = new AsnEncodedData("1.1", Array.Empty<byte>());
AsnEncodedData a2 = new AsnEncodedData("1.2", Array.Empty<byte>());
AsnEncodedDataCollection c = new AsnEncodedDataCollection();
c.Add(a0);
c.Add(a1);
c.Add(a2);
Assert.Throws<ArgumentNullException>(() => c.CopyTo(null, 0));
AsnEncodedData[] a = new AsnEncodedData[3];
Assert.Throws<ArgumentOutOfRangeException>(() => c.CopyTo(a, -1));
Assert.Throws<ArgumentOutOfRangeException>(() => c.CopyTo(a, 3));
Assert.Throws<ArgumentException>(() => c.CopyTo(a, 1));
// Array has non-zero lower bound
ICollection ic = c;
Array array = Array.CreateInstance(typeof(object), new int[] { 10 }, new int[] { 10 });
Assert.Throws<IndexOutOfRangeException>(() => ic.CopyTo(array, 0));
}
static void Main()
{
//The following example demonstrates the usage the AsnEncodedData classes.
// Asn encoded data is read from the extensions of an X509 certificate.
try
{
// Open the certificate store.
X509Store store = new X509Store("MY", StoreLocation.CurrentUser);
store.Open(OpenFlags.ReadOnly | OpenFlags.OpenExistingOnly);
X509Certificate2Collection collection = (X509Certificate2Collection)store.Certificates;
X509Certificate2Collection fcollection = (X509Certificate2Collection)collection.Find(X509FindType.FindByTimeValid, DateTime.Now, false);
// Select one or more certificates to display extensions information.
X509Certificate2Collection scollection = X509Certificate2UI.SelectFromCollection(fcollection, "Certificate Select", "Select certificates from the following list to get extension information on that certificate", X509SelectionFlag.MultiSelection);
// Create a new AsnEncodedDataCollection object.
AsnEncodedDataCollection asncoll = new AsnEncodedDataCollection();
for (int i = 0; i < scollection.Count; i++)
{
// Display certificate information.
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Certificate name: {0}", scollection[i].GetName());
Console.ResetColor();
// Display extensions information.
foreach (X509Extension extension in scollection[i].Extensions)
{
// Create an AsnEncodedData object using the extensions information.
AsnEncodedData asndata = new AsnEncodedData(extension.Oid, extension.RawData);
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Extension type: {0}", extension.Oid.FriendlyName);
Console.WriteLine("Oid value: {0}", asndata.Oid.Value);
Console.WriteLine("Raw data length: {0} {1}", asndata.RawData.Length, Environment.NewLine);
Console.ResetColor();
Console.WriteLine(asndata.Format(true));
Console.WriteLine(Environment.NewLine);
// Add the AsnEncodedData object to the AsnEncodedDataCollection object.
asncoll.Add(asndata);
}
Console.WriteLine(Environment.NewLine);
}
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Number of AsnEncodedData items in the collection: {0} {1}", asncoll.Count, Environment.NewLine);
Console.ResetColor();
store.Close();
//Create an enumerator for moving through the collection.
AsnEncodedDataEnumerator asne = asncoll.GetEnumerator();
//You must execute a MoveNext() to get to the first item in the collection.
asne.MoveNext();
// Write out AsnEncodedData in the collection.
Console.ForegroundColor = ConsoleColor.Blue;
Console.WriteLine("First AsnEncodedData in the collection: {0}", asne.Current.Format(true));
Console.ResetColor();
asne.MoveNext();
Console.ForegroundColor = ConsoleColor.DarkBlue;
Console.WriteLine("Second AsnEncodedData in the collection: {0}", asne.Current.Format(true));
Console.ResetColor();
//Return index in the collection to the beginning.
asne.Reset();
}
catch (CryptographicException)
{
Console.WriteLine("Information could not be written out for this certificate.");
}
}
public static void CopyExceptions()
{
AsnEncodedData a0 = new AsnEncodedData("1.0", Array.Empty<byte>());
AsnEncodedData a1 = new AsnEncodedData("1.1", Array.Empty<byte>());
AsnEncodedData a2 = new AsnEncodedData("1.2", Array.Empty<byte>());
AsnEncodedDataCollection c = new AsnEncodedDataCollection();
c.Add(a0);
c.Add(a1);
c.Add(a2);
Assert.Throws<ArgumentNullException>(() => c.CopyTo(null, 0));
AsnEncodedData[] a = new AsnEncodedData[3];
Assert.Throws<ArgumentOutOfRangeException>(() => c.CopyTo(a, -1));
Assert.Throws<ArgumentOutOfRangeException>(() => c.CopyTo(a, 3));
Assert.Throws<ArgumentException>(() => c.CopyTo(a, 1));
}
static void TestAdd()
{
asn = new AsnEncodedDataCollection();
try
{
asn.Add(null);
Result = false;
}
catch (ArgumentNullException)
{
Result = true;
}
catch (Exception)
{
Result = false;
}
//add normal case
AsnEncodedData data1 = new AsnEncodedData(oid, new byte[] { 1, 2, 3 });
AsnEncodedData data2 = new AsnEncodedData(oid, new byte[] { 5, 6, 7 });
asn = new AsnEncodedDataCollection(data1);
asn.Add(data2);
Result = asn.Count == 2;
//Add where OIDs don't match
data2 = new AsnEncodedData(badOid, new byte[] { 1, 2, 3, 4 });
asn = GetCollection(data1);
try
{
asn.Add(data2);
Result = false;
}
catch (CryptographicException)
{
Result = true;
}
catch (Exception e)
{
Result = false;
Console.WriteLine(e);
}
//add w/ a empty Oid
data2.Oid = new Oid();
asn = GetCollection(data1);
try
{
asn.Add(data2);
Result = false;
}
catch (CryptographicException)
{
Result = true;
}
catch (Exception e)
{
Result = false;
Console.WriteLine(e);
}
}
