public static void VerifyReadNamedBitList_KeyUsage_OneByte(AsnEncodingRules ruleSet)
{
// KeyUsage ::= BIT STRING {
// digitalSignature (0),
// nonRepudiation (1),
// keyEncipherment (2),
// dataEncipherment (3),
// keyAgreement (4),
// keyCertSign (5),
// cRLSign (6),
// encipherOnly (7),
// decipherOnly (8) }
X509KeyUsageExtension kuExt = new X509KeyUsageExtension(
X509KeyUsageFlags.KeyCertSign | X509KeyUsageFlags.CrlSign,
critical: false);
BitArray expected = new BitArray(7);
expected.Set(6, true);
expected.Set(5, true);
AsnReader reader = new AsnReader(kuExt.RawData, ruleSet);
BitArray actual = reader.ReadNamedBitList();
Assert.Equal(expected.Cast <bool>(), actual.Cast <bool>());
}
public static void ReadNamedBitList_BitArray_7993Bits(AsnEncodingRules ruleSet)
{
string inputHex;
if (ruleSet == AsnEncodingRules.CER)
{
inputHex = "A580038203E8" + new string('0', 2000) + "03020780" + "0000";
}
else
{
inputHex = "858203E907" + new string('0', 1998) + "80";
}
byte[] inputData = inputHex.HexToByteArray();
AsnReader reader = new AsnReader(inputData, ruleSet);
BitArray actual = reader.ReadNamedBitList(new Asn1Tag(TagClass.ContextSpecific, 5));
Assert.False(reader.HasData);
BitArray expected = new BitArray(7993);
expected.Set(7992, true);
Assert.Equal(expected.Cast <bool>(), actual.Cast <bool>());
}
public static void ReadNamedBitList_BitArray_Empty(AsnEncodingRules ruleSet)
{
byte[] inputData = "030100".HexToByteArray();
AsnReader reader = new AsnReader(inputData, ruleSet);
BitArray bits = reader.ReadNamedBitList();
Assert.Equal(0, bits.Length);
Assert.False(reader.HasData);
}
public static void VerifyReadNamedBitList_KeyUsage_TwoByte(AsnEncodingRules ruleSet)
{
X509KeyUsageExtension kuExt = new X509KeyUsageExtension(
X509KeyUsageFlags.KeyAgreement | X509KeyUsageFlags.DecipherOnly,
critical: false);
BitArray expected = new BitArray(9);
expected.Set(4, true);
expected.Set(8, true);
AsnReader reader = new AsnReader(kuExt.RawData, ruleSet);
BitArray actual = reader.ReadNamedBitList();
Assert.Equal(expected.Cast <bool>(), actual.Cast <bool>());
}
public static void ReadNamedBitList_BitArray_EveryPattern(AsnEncodingRules ruleSet)
{
const string InputHex =
// Tag
"DF836B" +
// Length
"820101" +
// Unused bit count
"00" +
// Reversed bits for byte patterns 0x00-0x1F
"008040C020A060E0109050D030B070F0088848C828A868E8189858D838B878F8" +
// Reversed bits for byte patterns 0x20-0x3F
"048444C424A464E4149454D434B474F40C8C4CCC2CAC6CEC1C9C5CDC3CBC7CFC" +
// Reversed bits for byte patterns 0x40-0x5F
"028242C222A262E2129252D232B272F20A8A4ACA2AAA6AEA1A9A5ADA3ABA7AFA" +
// Reversed bits for byte patterns 0x60-0x7F
"068646C626A666E6169656D636B676F60E8E4ECE2EAE6EEE1E9E5EDE3EBE7EFE" +
// Reversed bits for byte patterns 0x80-0x9F
"018141C121A161E1119151D131B171F1098949C929A969E9199959D939B979F9" +
// Reversed bits for byte patterns 0xA0-0xBF
"058545C525A565E5159555D535B575F50D8D4DCD2DAD6DED1D9D5DDD3DBD7DFD" +
// Reversed bits for byte patterns 0xC0-0xDF
"038343C323A363E3139353D333B373F30B8B4BCB2BAB6BEB1B9B5BDB3BBB7BFB" +
// Reversed bits for byte patterns 0xE0-0xFF
"078747C727A767E7179757D737B777F70F8F4FCF2FAF6FEF1F9F5FDF3FBF7FFF";
byte[] inputData = InputHex.HexToByteArray();
AsnReader reader = new AsnReader(inputData, ruleSet);
byte[] allTheBytes = new byte[256];
for (int i = 0; i < allTheBytes.Length; i++)
{
allTheBytes[i] = (byte)i;
}
BitArray bits = reader.ReadNamedBitList(new Asn1Tag(TagClass.Private, 491));
Assert.Equal(allTheBytes.Length * 8, bits.Length);
Assert.False(reader.HasData);
byte[] actual = new byte[allTheBytes.Length];
bits.CopyTo(actual, 0);
Assert.Equal(actual, actual);
}
public static void ReadNamedBitList_BitArray_7992Bits(AsnEncodingRules ruleSet)
{
string inputHex = "848203E80008" + new string('0', 1994) + "02";
byte[] inputData = inputHex.HexToByteArray();
BitArray expected = new BitArray(7992);
expected.Set(4, true);
expected.Set(7990, true);
AsnReader reader = new AsnReader(inputData, ruleSet);
BitArray actual = reader.ReadNamedBitList(new Asn1Tag(TagClass.ContextSpecific, 4));
Assert.False(reader.HasData);
Assert.Equal(expected.Cast <bool>(), actual.Cast <bool>());
}
public static void ReadNamedBitList_BitArray(AsnEncodingRules ruleSet)
{
byte[] inputData = "440406400100".HexToByteArray();
bool[] expected = new bool[18];
expected[1] = expected[15] = true;
AsnReader reader = new AsnReader(inputData, ruleSet);
BitArray bits = reader.ReadNamedBitList(new Asn1Tag(TagClass.Application, 4));
Assert.Equal(expected.Length, bits.Length);
Assert.False(reader.HasData);
bool[] actual = new bool[expected.Length];
bits.CopyTo(actual, 0);
Assert.Equal(expected, actual);
}