public unsafe string X500DistinguishedNameFormat(byte[] encodedDistinguishedName, bool multiLine)
{
if (encodedDistinguishedName == null || encodedDistinguishedName.Length == 0)
{
return(string.Empty);
}
FormatObjectStringType stringType = multiLine ? FormatObjectStringType.CRYPT_FORMAT_STR_MULTI_LINE : FormatObjectStringType.None;
int cbFormat = 0;
if (!Interop.crypt32.CryptFormatObject(
CertEncodingType.X509_ASN_ENCODING,
FormatObjectType.None,
stringType,
IntPtr.Zero,
FormatObjectStructType.X509_NAME,
encodedDistinguishedName,
encodedDistinguishedName.Length,
null,
ref cbFormat))
{
return(encodedDistinguishedName.ToHexStringUpper());
}
int spanLength = (cbFormat + 1) / 2;
Span <char> buffer = spanLength <= 256 ? stackalloc char[spanLength] : new char[spanLength];
fixed(char *ptr = &MemoryMarshal.GetReference(buffer))
{
if (!Interop.crypt32.CryptFormatObject(
CertEncodingType.X509_ASN_ENCODING,
FormatObjectType.None,
stringType,
IntPtr.Zero,
FormatObjectStructType.X509_NAME,
encodedDistinguishedName,
encodedDistinguishedName.Length,
(byte *)ptr,
ref cbFormat))
{
return(encodedDistinguishedName.ToHexStringUpper());
}
}
return(new string(buffer.Slice(0, (cbFormat / 2) - 1)));
}
public string X500DistinguishedNameFormat(byte[] encodedDistinguishedName, bool multiLine)
{
if (encodedDistinguishedName == null || encodedDistinguishedName.Length == 0)
{
return(string.Empty);
}
FormatObjectStringType stringType = multiLine ? FormatObjectStringType.CRYPT_FORMAT_STR_MULTI_LINE : FormatObjectStringType.None;
int cbFormat = 0;
if (!Interop.crypt32.CryptFormatObject(
CertEncodingType.X509_ASN_ENCODING,
FormatObjectType.None,
stringType,
IntPtr.Zero,
FormatObjectStructType.X509_NAME,
encodedDistinguishedName,
encodedDistinguishedName.Length,
null,
ref cbFormat))
{
return(encodedDistinguishedName.ToHexStringUpper());
}
StringBuilder sb = new StringBuilder((cbFormat + 1) / 2);
if (!Interop.crypt32.CryptFormatObject(
CertEncodingType.X509_ASN_ENCODING,
FormatObjectType.None,
stringType,
IntPtr.Zero,
FormatObjectStructType.X509_NAME,
encodedDistinguishedName,
encodedDistinguishedName.Length,
sb,
ref cbFormat))
{
return(encodedDistinguishedName.ToHexStringUpper());
}
return(sb.ToString());
}
private static extern unsafe bool CryptFormatObject(CertEncodingType dwCertEncodingType, FormatObjectType dwFormatType, FormatObjectStringType dwFormatStrType, IntPtr pFormatStruct, IntPtr lpszStructType, [In] byte[] pbEncoded, int cbEncoded, byte *pbFormat, [In, Out] ref int pcbFormat);
public static unsafe bool CryptFormatObject(CertEncodingType dwCertEncodingType, FormatObjectType dwFormatType, FormatObjectStringType dwFormatStrType, IntPtr pFormatStruct, FormatObjectStructType lpszStructType, byte[] pbEncoded, int cbEncoded, byte *pbFormat, ref int pcbFormat)
{
return(CryptFormatObject(dwCertEncodingType, dwFormatType, dwFormatStrType, pFormatStruct, (IntPtr)lpszStructType, pbEncoded, cbEncoded, pbFormat, ref pcbFormat));
}
private static extern bool CryptFormatObject(CertEncodingType dwCertEncodingType, FormatObjectType dwFormatType, FormatObjectStringType dwFormatStrType, IntPtr pFormatStruct, IntPtr lpszStructType, [In] byte[] pbEncoded, int cbEncoded, [Out] StringBuilder pbFormat, [In, Out] ref int pcbFormat);
public static bool CryptFormatObject(CertEncodingType dwCertEncodingType, FormatObjectType dwFormatType, FormatObjectStringType dwFormatStrType, IntPtr pFormatStruct, FormatObjectStructType lpszStructType, byte[] pbEncoded, int cbEncoded, StringBuilder pbFormat, ref int pcbFormat)
{
return CryptFormatObject(dwCertEncodingType, dwFormatType, dwFormatStrType, pFormatStruct, (IntPtr)lpszStructType, pbEncoded, cbEncoded, pbFormat, ref pcbFormat);
}
