// Token: 0x06001C2F RID: 7215 RVA: 0x0006FDB8 File Offset: 0x0006DFB8
internal string GetIssuerDisplayNameFromCertificate(X509Certificate2 certificate)
{
IList <KeyValuePair <Oid, string> > list = X500DistinguishedNameDecoder.Decode(certificate.IssuerName);
if (list == null || list.Count == 0)
{
return(string.Empty);
}
foreach (KeyValuePair <Oid, string> keyValuePair in list)
{
if (string.Equals(keyValuePair.Key.Value, GetCertsInfo.commonNameOid.Value, StringComparison.OrdinalIgnoreCase))
{
return(keyValuePair.Value);
}
}
return(string.Empty);
}
// Token: 0x06001A0E RID: 6670 RVA: 0x00096EA0 File Offset: 0x000950A0
private static string FormatSigningCertificateId(UserContext userContext)
{
byte[] array;
try
{
array = Convert.FromBase64String(userContext.UserOptions.SigningCertificateId);
}
catch (FormatException)
{
return(null);
}
int num = 0;
if (array.Length < num + 4)
{
return(null);
}
int num2 = BitConverter.ToInt32(array, num);
num += 4;
if (num2 == 1)
{
if (array.Length < num + 4)
{
return(null);
}
int num3 = BitConverter.ToInt32(array, num);
num += 4;
if (array.Length < num + num3)
{
return(null);
}
byte[] array2 = new byte[num3];
Array.Copy(array, num, array2, 0, num3);
StringBuilder stringBuilder = new StringBuilder(num3);
foreach (KeyValuePair <Oid, string> keyValuePair in X500DistinguishedNameDecoder.Decode(new X500DistinguishedName(array2)))
{
if (stringBuilder.Length != 0)
{
stringBuilder.Append(", ");
}
stringBuilder.Append(keyValuePair.Value);
}
num += num3;
if (array.Length < num + 4)
{
return(null);
}
int num4 = BitConverter.ToInt32(array, num);
num += 4;
if (array.Length < num + num4)
{
return(null);
}
StringBuilder stringBuilder2 = new StringBuilder(num4 * 3);
for (int i = num4 - 1; i >= 0; i--)
{
stringBuilder2.AppendFormat(CultureInfo.InvariantCulture, "{0:x2}", new object[]
{
array[i + num]
});
if (i > 0)
{
stringBuilder2.Append(' ');
}
}
num += num4;
return(string.Format(LocalizedStrings.GetNonEncoded(264112142), stringBuilder.ToString(), stringBuilder2.ToString()));
}
else
{
if (num2 != 2)
{
return(null);
}
if (array.Length < num + 4)
{
return(null);
}
int num5 = BitConverter.ToInt32(array, num);
num += 4;
if (array.Length < num + num5)
{
return(null);
}
byte[] array3 = new byte[num5];
Array.Copy(array, num, array3, 0, num5);
AsnEncodedData asnEncodedData = new AsnEncodedData(array3);
num += num5;
return(string.Format(LocalizedStrings.GetNonEncoded(347942879), asnEncodedData.Format(false)));
}
string result;
return(result);
}
// Token: 0x06001C2D RID: 7213 RVA: 0x0006F8E4 File Offset: 0x0006DAE4
internal string GetIdFromCertificate(X509Certificate2 certificate)
{
string emailAdress = X509PartialCertificate.GetEmailAdress(certificate);
if (!string.IsNullOrEmpty(emailAdress))
{
return(emailAdress);
}
string senderCertificateAttributesToDisplay = this.smimeAdminOptions.SenderCertificateAttributesToDisplay;
if (string.IsNullOrEmpty(senderCertificateAttributesToDisplay))
{
return(null);
}
IList <KeyValuePair <Oid, string> > list = X500DistinguishedNameDecoder.Decode(certificate.SubjectName);
if (list == null || list.Count == 0)
{
return(null);
}
StringBuilder stringBuilder = null;
string[] array = this.smimeAdminOptions.SenderCertificateAttributesToDisplay.Split(GetCertsInfo.comma, StringSplitOptions.RemoveEmptyEntries);
bool flag = true;
bool flag2 = false;
foreach (string text in array)
{
string text2 = text.Trim();
if (!string.IsNullOrEmpty(text2))
{
Oid oid = new Oid(text2);
flag2 = false;
foreach (KeyValuePair <Oid, string> keyValuePair in list)
{
if (string.Equals(keyValuePair.Key.Value, oid.Value, StringComparison.OrdinalIgnoreCase) && !string.IsNullOrEmpty(keyValuePair.Value))
{
if (stringBuilder == null)
{
stringBuilder = new StringBuilder();
}
if (!flag)
{
stringBuilder.Append(", ");
}
else
{
flag = false;
}
stringBuilder.Append(keyValuePair.Value);
flag2 = true;
break;
}
}
if (!flag2)
{
return(null);
}
}
}
if (stringBuilder == null)
{
return(null);
}
return(stringBuilder.ToString());
}
