private void WriteChildren(ASN1Object value)
{
foreach (var elem in value.Elements)
{
Write(elem);
}
}
public RSAPrivateKey(ASN1Object asn1Key)
{
// NOTE: currently only supporting PKCS#1 without optional OtherPrimeInfos
var keySeq = asn1Key as ASN1Sequence;
SecurityAssert.NotNull(keySeq);
SecurityAssert.SAssert(keySeq.Count == 9);
Modulus = GetInteger(keySeq, 1);
PublicExponent = GetInteger(keySeq, 2);
PrivateExponent = GetInteger(keySeq, 3);
Prime1 = GetInteger(keySeq, 4);
Prime2 = GetInteger(keySeq, 5);
Exponent1 = GetInteger(keySeq, 6);
Exponent2 = GetInteger(keySeq, 7);
Coefficent = GetInteger(keySeq, 8);
SecurityAssert.SAssert(Modulus == Prime1 * Prime2);
SecurityAssert.SAssert(Exponent1 == (PrivateExponent % (Prime1 - 1)));
SecurityAssert.SAssert(Exponent2 == (PrivateExponent % (Prime2 - 1)));
// TODO assert Coefficent == ((inverse of q) mod p)
}
public void Write(ASN1Object obj)
{
obj.Accept(this);
}
public void Write(ASN1Object obj)
{
obj.Accept(this);
}
private void WriteChildren(ASN1Object value)
{
foreach (var elem in value.Elements)
{
Write(elem);
}
}
public X509Extension(string id, bool critical, ASN1Object value)
{
this.Id = id;
this.Critical = critical;
this.Value = value;
}