private static void Exercise(this ECDsaOpenSsl e)
{
// Make a few calls on this to ensure we aren't broken due to bad/prematurely released handles.
int keySize = e.KeySize;
byte[] data = new byte[0x10];
byte[] sig = e.SignData(data, 0, data.Length, HashAlgorithmName.SHA1);
bool verified = e.VerifyData(data, sig, HashAlgorithmName.SHA1);
Assert.True(verified);
sig[sig.Length - 1]++;
verified = e.VerifyData(data, sig, HashAlgorithmName.SHA1);
Assert.False(verified);
}
public static void VerifyDuplicateKey_ValidHandle()
{
byte[] data = ByteUtils.RepeatByte(0x71, 11);
using (ECDsaOpenSsl first = new ECDsaOpenSsl())
using (SafeEvpPKeyHandle firstHandle = first.DuplicateKeyHandle())
{
using (ECDsa second = new ECDsaOpenSsl(firstHandle))
{
byte[] signed = second.SignData(data, HashAlgorithmName.SHA512);
Assert.True(first.VerifyData(data, signed, HashAlgorithmName.SHA512));
}
}
}
public static void VerifyDuplicateKey_RefCounts()
{
byte[] data = ByteUtils.RepeatByte(0x74, 11);
byte[] signature;
ECDsa second;
using (ECDsaOpenSsl first = new ECDsaOpenSsl())
using (SafeEvpPKeyHandle firstHandle = first.DuplicateKeyHandle())
{
signature = first.SignData(data, HashAlgorithmName.SHA384);
second = new ECDsaOpenSsl(firstHandle);
}
// Now show that second still works, despite first and firstHandle being Disposed.
using (second)
{
Assert.True(second.VerifyData(data, signature, HashAlgorithmName.SHA384));
}
}
public static void VerifyDuplicateKey_RefCounts()
{
byte[] data = ByteUtils.RepeatByte(0x74, 11);
byte[] signature;
ECDsa second;
using (ECDsaOpenSsl first = new ECDsaOpenSsl())
using (SafeEvpPKeyHandle firstHandle = first.DuplicateKeyHandle())
{
signature = first.SignData(data, HashAlgorithmName.SHA384);
second = new ECDsaOpenSsl(firstHandle);
}
// Now show that second still works, despite first and firstHandle being Disposed.
using (second)
{
Assert.True(second.VerifyData(data, signature, HashAlgorithmName.SHA384));
}
}
public static void VerifyDuplicateKey_ValidHandle()
{
byte[] data = ByteUtils.RepeatByte(0x71, 11);
using (ECDsaOpenSsl first = new ECDsaOpenSsl())
using (SafeEvpPKeyHandle firstHandle = first.DuplicateKeyHandle())
{
using (ECDsa second = new ECDsaOpenSsl(firstHandle))
{
byte[] signed = second.SignData(data, HashAlgorithmName.SHA512);
Assert.True(first.VerifyData(data, signed, HashAlgorithmName.SHA512));
}
}
}