public static void ObjectIdentifier(byte[] value, byte[] expected)
{
var reader = new Asn1Reader(value);
Assert.Equal(expected, reader.ObjectIdentifier().ToArray());
Assert.True(reader.SuccessComplete);
}
internal override bool TryReadAlgorithmIdentifier(
ref Asn1Reader reader,
out ReadOnlySpan <byte> nonce)
{
bool success = true;
reader.BeginSequence();
success &= reader.ObjectIdentifier().SequenceEqual(s_oid.Bytes);
nonce = reader.OctetString();
success &= (nonce.Length == crypto_aead_chacha20poly1305_ietf_NPUBBYTES);
reader.End();
success &= reader.Success;
return(success);
}
public static void PkixPublicKey()
{
var a = KeyAgreementAlgorithm.X25519;
var b = Utilities.RandomBytes.Slice(0, a.PrivateKeySize);
using var k = Key.Import(a, b, KeyBlobFormat.RawPrivateKey);
var publicKeyBytes = k.Export(KeyBlobFormat.RawPublicKey);
var blob = k.Export(KeyBlobFormat.PkixPublicKey);
var reader = new Asn1Reader(blob);
reader.BeginSequence();
reader.BeginSequence();
Assert.Equal(s_oid, reader.ObjectIdentifier().ToArray());
reader.End();
Assert.Equal(publicKeyBytes, reader.BitString().ToArray());
reader.End();
Assert.True(reader.SuccessComplete);
}
public static void PkixPrivateKey()
{
var a = new X25519();
var b = Utilities.RandomBytes.Slice(0, a.PrivateKeySize);
using (var k = Key.Import(a, b, KeyBlobFormat.RawPrivateKey, KeyExportPolicies.AllowPlaintextExport))
{
var blob = k.Export(KeyBlobFormat.PkixPrivateKey);
var reader = new Asn1Reader(blob);
reader.BeginSequence();
Assert.Equal(0, reader.Integer32());
reader.BeginSequence();
Assert.Equal(s_oid, reader.ObjectIdentifier().ToArray());
reader.End();
var curvePrivateKey = new Asn1Reader(reader.OctetString());
Assert.Equal(b.ToArray(), curvePrivateKey.OctetString().ToArray());
Assert.True(curvePrivateKey.SuccessComplete);
reader.End();
Assert.True(reader.SuccessComplete);
}
}
public static void PkixPrivateKey()
{
var a = new X25519();
var b = Utilities.RandomBytes.Slice(0, a.PrivateKeySize);
using (var k = Key.Import(a, b, KeyBlobFormat.RawPrivateKey, KeyFlags.AllowExport))
{
var blob = new ReadOnlySpan <byte>(k.Export(KeyBlobFormat.PkixPrivateKey));
var reader = new Asn1Reader(ref blob);
reader.BeginSequence();
Assert.Equal(0, reader.Integer32());
reader.BeginSequence();
Assert.Equal(s_oid, reader.ObjectIdentifier().ToArray());
reader.End();
var edPrivateKey = reader.OctetString();
reader.End();
Assert.True(reader.SuccessComplete);
var reader2 = new Asn1Reader(ref edPrivateKey);
Assert.Equal(b.ToArray(), reader2.OctetString().ToArray());
Assert.True(reader2.SuccessComplete);
}
}