RewriteEncryptedPkcs8PrivateKey() [2/4]

static AsnWriter System.Security.Cryptography.CngPkcs8.RewriteEncryptedPkcs8PrivateKey ( AsymmetricAlgorithm key, ReadOnlySpan< byte > passwordBytes, PbeParameters pbeParameters )

inlinestaticprivate

Definition at line 234 of file CngPkcs8.cs.

    {
        byte[] array = System.Security.Cryptography.CryptoPool.Rent(key.KeySize);
        int bytesWritten = 0;
        Span<char> span = stackalloc char[22];
        try
        {
            FillRandomAsciiString(span);
            while (!key.TryExportEncryptedPkcs8PrivateKey(span, s_platformParameters, array, out bytesWritten))
            {
                int num = array.Length;
                byte[] array2 = array;
                array = System.Security.Cryptography.CryptoPool.Rent(checked(num * 2));
                System.Security.Cryptography.CryptoPool.Return(array2, bytesWritten);
            }
            return System.Security.Cryptography.KeyFormatHelper.ReencryptPkcs8(span, array.AsMemory(0, bytesWritten), passwordBytes, pbeParameters);
        }
        finally
        {
            span.Clear();
            System.Security.Cryptography.CryptoPool.Return(array, bytesWritten);
        }
    }

References System.array, System.Span< T >.Clear(), System.Security.Cryptography.CngPkcs8.FillRandomAsciiString(), System.key, System.Security.Cryptography.KeyFormatHelper.ReencryptPkcs8(), System.Security.Cryptography.CryptoPool.Rent(), System.Security.Cryptography.CryptoPool.Return(), and System.Security.Cryptography.CngPkcs8.s_platformParameters.