protected override bool TryDecryptEcbCore(
ReadOnlySpan <byte> ciphertext,
Span <byte> destination,
PaddingMode paddingMode,
out int bytesWritten)
{
UniversalCryptoTransform transform = _core.CreateCryptoTransform(
iv: null,
encrypting: false,
paddingMode,
CipherMode.ECB);
using (transform)
{
return(transform.TransformOneShot(ciphertext, destination, out bytesWritten));
}
}
protected override bool TryEncryptEcbCore(
ReadOnlySpan <byte> plaintext,
Span <byte> destination,
PaddingMode paddingMode,
out int bytesWritten)
{
UniversalCryptoTransform transform = _core.CreateCryptoTransform(
iv: null,
encrypting: true,
paddingMode,
CipherMode.ECB,
feedbackSizeInBits: 0);
using (transform)
{
return(transform.TransformOneShot(plaintext, destination, out bytesWritten));
}
}
protected override bool TryEncryptCbcCore(
ReadOnlySpan <byte> plaintext,
ReadOnlySpan <byte> iv,
Span <byte> destination,
PaddingMode paddingMode,
out int bytesWritten)
{
UniversalCryptoTransform transform = _core.CreateCryptoTransform(
iv: iv.ToArray(),
encrypting: true,
paddingMode,
CipherMode.CBC);
using (transform)
{
return(transform.TransformOneShot(plaintext, destination, out bytesWritten));
}
}
protected override bool TryDecryptCbcCore(
ReadOnlySpan <byte> ciphertext,
ReadOnlySpan <byte> iv,
Span <byte> destination,
PaddingMode paddingMode,
out int bytesWritten)
{
UniversalCryptoTransform transform = _core.CreateCryptoTransform(
iv: iv.ToArray(),
encrypting: false,
paddingMode,
CipherMode.CBC,
feedbackSizeInBits: 0);
using (transform)
{
return(transform.TransformOneShot(ciphertext, destination, out bytesWritten));
}
}