public void DecodeContextSpecificConstructedSet()
{
byte[] data = Convert.FromBase64String("MGACAQMgAwQBAAIBAiADBAEABCABfDdfwPehWBVL2KIcBZflxAraVzzPoB2bIb9ZUqt97gQQ7PlbfpnmqCgDZgrEb1eHiTARv4U9BgIEYWcoF6EFMQMCAQEwB7+FPgMCAQA=");
var element = Asn1Element.Decode(data);
Assert.Equal(Asn1Tag.Sequence, element.Tag);
Assert.Equal(8, element.Sequence.Count);
Assert.Equal(new[] { 2, 0, 2, 0, 4, 4, 16, 16 }, element.Sequence.Select(element => element.TagValue).ToArray());
var element6 = element[6];
var element6_1 = element[6][1];
var element6_1_0 = element[6][1][0];
var element6_1_0_0 = element[6][1][0][0];
Assert.True(element6.IsSequence);
Assert.Equal(701, element6[0].TagValue);
Assert.True(element6_1.IsConstructed);
Assert.Equal(TagClass.ContextSpecific, element6_1.TagClass);
Assert.Equal(1, element6_1.TagValue);
Assert.Equal(1, element6_1.Sequence.Count);
Assert.Equal(Asn1Tag.SetOf, element6_1_0.Tag);
Assert.Equal(2, element6_1_0_0.TagValue);
Assert.Equal(1, element6_1_0_0.GetInt32());
}
public void Decode()
{
byte[] data = Convert.FromBase64String("MIHPAgECCgEAAgEBCgEABCDc0UoXtU1CwwItW3ne2faKDcFCabFI31BufXEFVK/ENwQAMGm/hT0IAgYBXtPjz6C/hUVZBFcwVTEvMC0EKGNvbS5hbmRyb2lkLmtleXN0b3JlLmFuZHJvaWRrZXlzdG9yZWRlbW8CAQExIgQgdM/LUHSI9SkQhZHHpQWRnzJ3MvvB2ANSauqYAAbS2JgwMqEFMQMCAQKiAwIBA6MEAgIBAKUFMQMCAQSqAwIBAb+DeAMCAQK/hT4DAgEAv4U/AgUA");
var element = Asn1Element.Decode(data);
Assert.Equal(Asn1Tag.Sequence, element.Tag);
Assert.Equal(8, element.Sequence.Count);
Assert.Equal(new[] { 2, 10, 2, 10, 4, 4, 16, 16 }, element.Sequence.Select(element => element.TagValue).ToArray());
Assert.Equal(Asn1Tag.Integer, element[0].Tag);
Assert.Equal(Asn1Tag.Enumerated, element[1].Tag);
Assert.Equal(Asn1Tag.Integer, element[2].Tag);
Assert.Equal(Asn1Tag.Enumerated, element[3].Tag);
Assert.Equal(Asn1Tag.PrimitiveOctetString, element[4].Tag);
Assert.Equal(Asn1Tag.PrimitiveOctetString, element[5].Tag);
Assert.Equal(Asn1Tag.Sequence, element[6].Tag);
Assert.Equal(Asn1Tag.Sequence, element[7].Tag);
Assert.True(element[0].IsInteger);
Assert.Equal(2, element[0].GetInt32());
Assert.True(element[4].IsOctetString);
Assert.True(element[6].IsSequence);
Assert.Equal(new[] { 701, 709 }, element[6].Sequence.Select(element => element.TagValue).ToArray());
}
public void DecodeBitString()
{
byte[] data = Convert.FromBase64String("AwIFIA==");
var element = Asn1Element.Decode(data);
Assert.Equal(Asn1Tag.PrimitiveBitString, element.Tag);
Assert.Equal("IA==", Convert.ToBase64String(element.GetBitString()));
}
public void DecodeOctetString()
{
byte[] data = Convert.FromBase64String("MIHPAgECCgEAAgEBCgEABCDc0UoXtU1CwwItW3ne2faKDcFCabFI31BufXEFVK/ENwQAMGm/hT0IAgYBXtPjz6C/hUVZBFcwVTEvMC0EKGNvbS5hbmRyb2lkLmtleXN0b3JlLmFuZHJvaWRrZXlzdG9yZWRlbW8CAQExIgQgdM/LUHSI9SkQhZHHpQWRnzJ3MvvB2ANSauqYAAbS2JgwMqEFMQMCAQKiAwIBA6MEAgIBAKUFMQMCAQSqAwIBAb+DeAMCAQK/hT4DAgEAv4U/AgUA");
var element = Asn1Element.Decode(data);
Assert.True(element[4].IsOctetString);
Assert.Equal(Asn1Tag.PrimitiveOctetString, element[4].Tag);
Assert.Equal("3NFKF7VNQsMCLVt53tn2ig3BQmmxSN9Qbn1xBVSvxDc=", Convert.ToBase64String(element[4].GetOctetString()));
}
public void DecodeConstructedObject()
{
byte[] data = Convert.FromBase64String("MCShIgQgnGACFUCz4Zg03+N+xiRFyJ4bKU95LORrlBPDIw7zhoE=");
var element = Asn1Element.Decode(data);
Assert.True(element.IsConstructed);
element[0][0].CheckTag(Asn1Tag.PrimitiveOctetString);
Assert.Equal("nGACFUCz4Zg03+N+xiRFyJ4bKU95LORrlBPDIw7zhoE=", Convert.ToBase64String(element[0][0].GetOctetString()));
}
public void DecodeObjectIdentifierAsOctetString()
{
byte[] data = Convert.FromBase64String("MD8wPaA7oDmGN2h0dHBzOi8vbWRzMy5jZXJ0aW5mcmEuZmlkb2FsbGlhbmNlLm9yZy9jcmwvTURTQ0EtMS5jcmw=");
var decoded = Asn1Element.Decode(data);
Assert.Equal(new Asn1Tag(TagClass.ContextSpecific, (int)UniversalTagNumber.ObjectIdentifier), decoded[0][0][0][0].Tag);
var cdp = Encoding.ASCII.GetString(decoded[0][0][0][0].GetOctetString(decoded[0][0][0][0].Tag));
Assert.Equal("https://mds3.certinfra.fidoalliance.org/crl/MDSCA-1.crl", cdp);
}
public void DecodeEcDsaSig()
{
byte[] ecDsaSig = Convert.FromBase64String("MEUCIDelsTyfT/3Z6UO1KBz1j/GBoQmDN/2MXxsfGZNon1dsAiEAqsl2tTaUhnNoFTokqm4B/RegC9y5z/bSsAwtBXsQwdg=");
var decoded = Asn1Element.Decode(ecDsaSig);
Assert.Equal(Asn1Tag.Integer, decoded[0].Tag);
Assert.Equal(Asn1Tag.Integer, decoded[1].Tag);
var r = decoded[0].GetIntegerBytes();
var s = decoded[1].GetIntegerBytes();
Assert.Equal("N6WxPJ9P/dnpQ7UoHPWP8YGhCYM3/YxfGx8Zk2ifV2w=", Convert.ToBase64String(r));
Assert.Equal("AKrJdrU2lIZzaBU6JKpuAf0XoAvcuc/20rAMLQV7EMHY", Convert.ToBase64String(s));
}