protected virtual void Serialize(
SecureMemoryHandle keyHandle,
Span <byte> span)
{
Debug.Assert(keyHandle != null);
Debug.Assert(keyHandle.Length == _keySize);
Debug.Assert(span.Length == _keySize);
keyHandle.Export(span);
}
protected override void Serialize(
SecureMemoryHandle keyHandle,
Span <byte> span)
{
Debug.Assert(keyHandle != null);
Debug.Assert(keyHandle.Length == crypto_scalarmult_curve25519_SCALARBYTES);
Debug.Assert(span.Length == crypto_scalarmult_curve25519_SCALARBYTES);
keyHandle.Export(span);
}
internal override int ExportKey(
SecureMemoryHandle keyHandle,
KeyBlobFormat format,
Span<byte> blob)
{
if (format != KeyBlobFormat.RawSymmetricKey)
throw Error.Argument_FormatNotSupported(nameof(format), format.ToString());
if (blob.Length < keyHandle.Length)
throw Error.Argument_SpanBlob(nameof(blob));
Debug.Assert(keyHandle != null);
return keyHandle.Export(blob);
}
public bool TryExport(
SecureMemoryHandle keyHandle,
Span <byte> blob,
out int blobSize)
{
Debug.Assert(keyHandle != null);
Debug.Assert(keyHandle.Length >= _minKeySize);
Debug.Assert(keyHandle.Length <= _maxKeySize);
blobSize = keyHandle.Length;
if (blob.Length < blobSize)
{
return(false);
}
keyHandle.Export(blob);
return(true);
}
public bool TryExport(
SecureMemoryHandle keyHandle,
Span <byte> blob,
out int blobSize)
{
Debug.Assert(keyHandle != null);
Debug.Assert(keyHandle.Length >= _minKeySize);
Debug.Assert(keyHandle.Length <= _maxKeySize);
blobSize = _blobHeader.Length + sizeof(uint) + keyHandle.Length;
if (blob.Length < blobSize)
{
return(false);
}
_blobHeader.CopyTo(blob);
blob.Slice(_blobHeader.Length).WriteLittleEndian((uint)keyHandle.Length);
keyHandle.Export(blob.Slice(_blobHeader.Length + sizeof(uint)));
return(true);
}