private void ReadX509CertificateProperties(JsonElement json)
{
foreach (JsonProperty prop in json.EnumerateObject())
{
switch (prop.Name)
{
case SubjectPropertyName:
Subject = prop.Value.GetString();
break;
case SansPropertyName:
SubjectAlternativeNames = new SubjectAlternativeNames();
((IJsonDeserializable)SubjectAlternativeNames).ReadProperties(prop.Value);
break;
case KeyUsagePropertyName:
foreach (JsonElement usageElem in prop.Value.EnumerateArray())
{
KeyUsage.Add(usageElem.GetString());
}
break;
case EkusPropertyName:
foreach (JsonElement usageElem in prop.Value.EnumerateArray())
{
EnhancedKeyUsage.Add(usageElem.GetString());
}
break;
case ValidityMonthsPropertyName:
ValidityInMonths = prop.Value.GetInt32();
break;
}
}
}
public KeyUsage GetKeyUsage(X509Certificate2 cert)
{
if (cert == null || cert.Handle == IntPtr.Zero)
{
throw new ArgumentNullException(nameof(cert));
}
if (cert.Extensions == null)
{
return(KeyUsage.None);
}
KeyUsage keyUsage = KeyUsage.None;
foreach (var extension in cert.Extensions)
{
X509EnhancedKeyUsageExtension ekus = extension as X509EnhancedKeyUsageExtension;
if (ekus != null)
{
foreach (var eku in ekus.EnhancedKeyUsages)
{
if (EnhancedKeyUsage.ContainsKey(eku.Value))
{
keyUsage = SetFlag(keyUsage, EnhancedKeyUsage[eku.Value]);
}
}
}
ekus = null;
X509BasicConstraintsExtension basicConstraintsExtension = extension as X509BasicConstraintsExtension;
if (basicConstraintsExtension != null)
{
if (basicConstraintsExtension.CertificateAuthority == true)
{
keyUsage = SetFlag(keyUsage, KeyUsage.CertificateAuthority);
}
}
basicConstraintsExtension = null;
}
return(keyUsage);
}
private void WriteX509CertificateProperties(Utf8JsonWriter json)
{
if (Subject != null)
{
json.WriteString(s_subjectPropertyNameBytes, Subject);
}
if (SubjectAlternativeNames != null)
{
json.WriteStartObject(s_sansPropertyNameBytes);
((IJsonSerializable)SubjectAlternativeNames).WriteProperties(json);
json.WriteEndObject();
}
if (!KeyUsage.IsNullOrEmpty())
{
json.WriteStartArray(s_keyUsagePropertyNameBytes);
foreach (CertificateKeyUsage usage in KeyUsage)
{
json.WriteStringValue(usage.ToString());
}
json.WriteEndArray();
}
if (!EnhancedKeyUsage.IsNullOrEmpty())
{
json.WriteStartArray(s_ekusPropertyNameBytes);
foreach (var usage in EnhancedKeyUsage)
{
json.WriteStringValue(usage);
}
json.WriteEndArray();
}
if (ValidityInMonths.HasValue)
{
json.WriteNumber(s_validityMonthsPropertyNameBytes, ValidityInMonths.Value);
}
}
void IJsonSerializable.WriteProperties(Utf8JsonWriter json)
{
// Key Props
if (KeyType.HasValue || KeyCurveName.HasValue || KeySize.HasValue)
{
json.WriteStartObject(s_keyPropsPropertyNameBytes);
WriteKeyProperties(json);
json.WriteEndObject();
}
// Secret Props
if (ContentType.HasValue)
{
json.WriteStartObject(s_secretPropsPropertyNameBytes);
WriteSecretProperties(json);
json.WriteEndObject();
}
// X509 Props
if (Subject != null || SubjectAlternativeNames != null || !KeyUsage.IsNullOrEmpty() || !EnhancedKeyUsage.IsNullOrEmpty() || ValidityInMonths.HasValue)
{
json.WriteStartObject(s_x509PropsPropertyNameBytes);
WriteX509CertificateProperties(json);
json.WriteEndObject();
}
// Issuer Props
if (IssuerName != null || CertificateType != null || CertificateTransparency.HasValue)
{
json.WriteStartObject(s_issuerPropertyNameBytes);
WriteIssuerProperties(json);
json.WriteEndObject();
}
if (Enabled.HasValue)
{
json.WriteStartObject(s_attributesPropertyNameBytes);
WriteAttributesProperties(json);
json.WriteEndObject();
}
if (!LifetimeActions.IsNullOrEmpty())
{
json.WriteStartArray(s_lifetimeActionsPropertyNameBytes);
foreach (LifetimeAction action in LifetimeActions)
{
if (action != null)
{
json.WriteStartObject();
((IJsonSerializable)action).WriteProperties(json);
json.WriteEndObject();
}
}
json.WriteEndArray();
}
}
