/// <summary>
/// Imports an RFC 7468 PEM-encoded key, replacing the keys for this object.
/// </summary>
/// <param name="input">The PEM text of the key to import.</param>
/// <exception cref="ArgumentException">
/// <para>
/// <paramref name="input"/> does not contain a PEM-encoded key with a recognized label.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="input"/> contains multiple PEM-encoded keys with a recognized label.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="input"/> contains an encrypted PEM-encoded key.
/// </para>
/// </exception>
/// <remarks>
/// <para>
/// Unsupported or malformed PEM-encoded objects will be ignored. If multiple supported PEM labels
/// are found, an exception is raised to prevent importing a key when
/// the key is ambiguous.
/// </para>
/// <para>
/// This method supports the following PEM labels:
/// <list type="bullet">
/// <item><description>PUBLIC KEY</description></item>
/// <item><description>PRIVATE KEY</description></item>
/// <item><description>RSA PRIVATE KEY</description></item>
/// <item><description>RSA PUBLIC KEY</description></item>
/// </list>
/// </para>
/// </remarks>
public override void ImportFromPem(ReadOnlySpan <char> input)
{
PemKeyHelpers.ImportPem(input, label => {
if (label.SequenceEqual(PemLabels.RsaPrivateKey))
{
return(ImportRSAPrivateKey);
}
else if (label.SequenceEqual(PemLabels.Pkcs8PrivateKey))
{
return(ImportPkcs8PrivateKey);
}
else if (label.SequenceEqual(PemLabels.RsaPublicKey))
{
return(ImportRSAPublicKey);
}
else if (label.SequenceEqual(PemLabels.SpkiPublicKey))
{
return(ImportSubjectPublicKeyInfo);
}
else
{
return(null);
}
});
}
/// <summary>
/// Imports an RFC 7468 textually encoded key, replacing the keys for this object.
/// </summary>
/// <param name="input">The text of the PEM key to import.</param>
/// <exception cref="ArgumentException">
/// <para>
/// <paramref name="input"/> does not contain a PEM-encoded key with a recognized label.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="input"/> contains multiple PEM-encoded keys with a recognized label.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="input"/> contains an encrypted PEM-encoded key.
/// </para>
/// </exception>
/// <exception cref="NotImplementedException">
/// A derived type has not provided an implementation for <see cref="ImportPkcs8PrivateKey" />
/// or <see cref="ImportSubjectPublicKeyInfo" />.
/// </exception>
/// <remarks>
/// <para>
/// Unsupported or malformed PEM-encoded objects will be ignored. If multiple supported PEM labels
/// are found, an exception is raised to prevent importing a key when
/// the key is ambiguous.
/// </para>
/// <para>
/// This method supports the following PEM labels:
/// <list type="bullet">
/// <item><description>PUBLIC KEY</description></item>
/// <item><description>PRIVATE KEY</description></item>
/// </list>
/// </para>
/// <para>
/// Types that override this method may support additional PEM labels.
/// </para>
/// </remarks>
public virtual void ImportFromPem(ReadOnlySpan <char> input)
{
PemKeyHelpers.ImportPem(input, label =>
label switch
{
PemLabels.Pkcs8PrivateKey => ImportPkcs8PrivateKey,
PemLabels.SpkiPublicKey => ImportSubjectPublicKeyInfo,
_ => null,
});