public void Decode_TagTooLargeToFitInLong_ShouldThrowNotSupportedException()
{
var data = new byte[] { 0xBF, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0x00 };
var ex = Assert.Throws <NotSupportedException>(() => DerAsnIdentifier.Decode(new Queue <byte>(data)));
Assert.That(ex.Message, Is.EqualTo("Tag number too large (more than 9 octets)"));
}
public void Equals_EqualPropertyValues_ShouldReturnTrue()
{
var a = new DerAsnIdentifier(DerAsnTagClass.Private, DerAsnEncodingType.Constructed, 1234);
var b = new DerAsnIdentifier(DerAsnTagClass.Private, DerAsnEncodingType.Constructed, 1234);
Assert.That(a.Equals(b), Is.True);
}
public void Decode_NotEnoughBytes_ShouldThrowInvalidOperationException()
{
var data = new byte[] { 0xBF, 0xC3 };
var ex = Assert.Throws <InvalidOperationException>(() => DerAsnIdentifier.Decode(new Queue <byte>(data)));
Assert.That(ex.Message, Is.EqualTo("Unexpected end of queue"));
}
public void Decode_LowTagNumberForm_ShouldDecodeCorrectly()
{
var data = new Queue <byte>();
data.Enqueue(0x85);
var identifier = DerAsnIdentifier.Decode(data);
Assert.That(data, Is.Empty);
Assert.That(identifier.TagClass, Is.EqualTo(DerAsnTagClass.ContextSpecific));
Assert.That(identifier.EncodingType, Is.EqualTo(DerAsnEncodingType.Primitive));
Assert.That(identifier.Tag, Is.EqualTo(5));
data.Enqueue(0x27);
identifier = DerAsnIdentifier.Decode(data);
Assert.That(data, Is.Empty);
Assert.That(identifier.TagClass, Is.EqualTo(DerAsnTagClass.Universal));
Assert.That(identifier.EncodingType, Is.EqualTo(DerAsnEncodingType.Constructed));
Assert.That(identifier.Tag, Is.EqualTo(7));
data.Enqueue(0x7E);
identifier = DerAsnIdentifier.Decode(data);
Assert.That(data, Is.Empty);
Assert.That(identifier.TagClass, Is.EqualTo(DerAsnTagClass.Application));
Assert.That(identifier.EncodingType, Is.EqualTo(DerAsnEncodingType.Constructed));
Assert.That(identifier.Tag, Is.EqualTo(30));
}
public void Encode_HighTagNumberForm_ShouldEncodeCorrectly()
{
var identifier = new DerAsnIdentifier(DerAsnTagClass.ContextSpecific, DerAsnEncodingType.Constructed, 1097914);
Assert.That(identifier.Encode(), Is.EqualTo(new byte[] { 0xBF, 0xC3, 0x81, 0x3A }));
identifier = new DerAsnIdentifier(DerAsnTagClass.ContextSpecific, DerAsnEncodingType.Constructed, 31);
Assert.That(identifier.Encode(), Is.EqualTo(new byte[] { 0xBF, 0x1F }));
}
public void Encode_LowTagNumberForm_ShouldEncodeCorrectly()
{
var identifier = new DerAsnIdentifier(DerAsnTagClass.ContextSpecific, DerAsnEncodingType.Primitive, 5);
Assert.That(identifier.Encode(), Is.EqualTo(new byte[] { 0x85 }));
identifier = new DerAsnIdentifier(DerAsnTagClass.Universal, DerAsnEncodingType.Constructed, 7);
Assert.That(identifier.Encode(), Is.EqualTo(new byte[] { 0x27 }));
identifier = new DerAsnIdentifier(DerAsnTagClass.Application, DerAsnEncodingType.Constructed, 30);
Assert.That(identifier.Encode(), Is.EqualTo(new byte[] { 0x7E }));
}
public void Decode_HighTagNumberForm_ShouldDecodeCorrectly()
{
// 0xBF => [10][1][1 1111]
// 0xC3 0x81 0x3A => [1]100 0011 [1]000 0001 [0]011 1010
var data = new Queue <byte>(new byte[] { 0xBF, 0xC3, 0x81, 0x3A });
var identifier = DerAsnIdentifier.Decode(data);
Assert.That(data, Is.Empty);
Assert.That(identifier.TagClass, Is.EqualTo(DerAsnTagClass.ContextSpecific));
Assert.That(identifier.EncodingType, Is.EqualTo(DerAsnEncodingType.Constructed));
Assert.That(identifier.Tag, Is.EqualTo(1097914));
}
public void Constructor_ShouldSetProperties()
{
var identifier = new DerAsnIdentifier(DerAsnTagClass.ContextSpecific, DerAsnEncodingType.Primitive, 1234);
Assert.That(identifier.TagClass, Is.EqualTo(DerAsnTagClass.ContextSpecific));
Assert.That(identifier.EncodingType, Is.EqualTo(DerAsnEncodingType.Primitive));
Assert.That(identifier.Tag, Is.EqualTo(1234));
identifier = new DerAsnIdentifier(DerAsnTagClass.Universal, DerAsnEncodingType.Constructed, 5432);
Assert.That(identifier.TagClass, Is.EqualTo(DerAsnTagClass.Universal));
Assert.That(identifier.EncodingType, Is.EqualTo(DerAsnEncodingType.Constructed));
Assert.That(identifier.Tag, Is.EqualTo(5432));
}
public void Equals_DifferentPropertyValues_ShouldReturnFalse()
{
var a = new DerAsnIdentifier(DerAsnTagClass.Private, DerAsnEncodingType.Constructed, 1234);
var b = new DerAsnIdentifier(DerAsnTagClass.ContextSpecific, DerAsnEncodingType.Constructed, 1234);
Assert.That(a.Equals(b), Is.False);
b = new DerAsnIdentifier(DerAsnTagClass.Private, DerAsnEncodingType.Primitive, 1234);
Assert.That(a.Equals(b), Is.False);
b = new DerAsnIdentifier(DerAsnTagClass.Private, DerAsnEncodingType.Constructed, 123);
Assert.That(a.Equals(b), Is.False);
}
protected Base(DerAsnIdentifier identifier)
{
Identifier = identifier;
DecoderMock = new Mock <IDerAsnDecoder>();
EncoderMock = new Mock <IDerAsnEncoder>();
_valueConstructor = typeof(TDerAsnType) == typeof(DerAsnNull)
? typeof(TDerAsnType).GetConstructor(Array.Empty <Type>())
: typeof(TDerAsnType).GetConstructor(new[] { typeof(TValue) });
_decodeConstructor = typeof(TDerAsnType).GetConstructor(
types: new[] { typeof(IDerAsnDecoder), typeof(DerAsnIdentifier), typeof(Queue <byte>) },
bindingAttr: BindingFlags.NonPublic | BindingFlags.Instance,
modifiers: null,
binder: null);
}
internal DerAsnEnumerated(IDerAsnDecoder decoder, DerAsnIdentifier identifier, Queue <byte> rawData)
: base(decoder, identifier, rawData)
{
}
internal DerAsnObjectIdentifier(IDerAsnDecoder decoder, DerAsnIdentifier identifier, Queue <byte> rawData)
: base(decoder, identifier, rawData)
{
}
public DerAsnObjectIdentifier(DerAsnIdentifier identifier, int[] value)
: base(identifier, value)
{
}
public DerAsnPrintableString(DerAsnIdentifier identifier, string value)
: base(identifier, value)
{
}
public DerAsnInteger(DerAsnIdentifier identifier, BigInteger value)
: base(identifier, value)
{
}
public DerAsnBoolean(DerAsnIdentifier identifier, bool value)
: base(identifier, value)
{
}
public DerAsnNull(DerAsnIdentifier identifier)
: base(identifier, null)
{
}
public DerAsnIa5String(DerAsnIdentifier identifier, string value)
: base(identifier, value)
{
}
public OctetStringSequence(IDerAsnDecoder decoder, DerAsnIdentifier identifier, Queue <byte> rawData)
: base(decoder, identifier, rawData)
{
}
public DerAsnSequence(DerAsnIdentifier identifier, DerAsnType[] value)
: base(identifier, value)
{
}
internal DerAsnSequence(IDerAsnDecoder decoder, DerAsnIdentifier identifier, Queue <byte> rawData)
: base(decoder, identifier, rawData)
{
}
public ContextSpecificSequence(IDerAsnDecoder decoder, DerAsnIdentifier identifier, Queue <byte> rawData)
: base(decoder, identifier, rawData)
{
}
public DerAsnUtcTime(DerAsnIdentifier identifier, DateTimeOffset value)
: base(identifier, value)
{
}
public DerAsnOctetString(DerAsnIdentifier identifier, byte[] value)
: base(identifier, value)
{
}
internal DerAsnBoolean(IDerAsnDecoder decoder, DerAsnIdentifier identifier, Queue <byte> rawData)
: base(decoder, identifier, rawData)
{
}
public DerAsnBitString(DerAsnIdentifier identifier, BitArray value)
: base(identifier, value)
{
}
internal DerAsnIa5String(IDerAsnDecoder decoder, DerAsnIdentifier identifier, Queue <byte> rawData)
: base(decoder, identifier, rawData)
{
}
internal ContextSpecificString(IDerAsnDecoder decoder, DerAsnIdentifier identifier, Queue <byte> rawData)
: base(decoder, identifier, rawData)
{
}
