pinvoke.net: Edit: crypt32.CertNameToStr

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@pinvoke=http://pinvoke.net/$$$.htm

Summary: The CertNameToStr function converts an encoded name in a CERT_NAME_BLOB structure to a null-terminated character string.

!!!!C# Signature:
 [DllImport("crypt32.dll", SetLastError=true)]
 static extern TODO CertNameToStr(TODO);
!!!!VB Signature:
 Declare Function CertNameToStr Lib "crypt32.dll" (TODO) As TODO
!!!!User-Defined Types:
 public struct CERT_NAME_BLOB
 {
         public uint cbData;
         public IntPtr pbData;
 }
!!!!Alternative Managed API:
Do you know one?  Please contribute it!

!!!!Notes:
None.

!!!!Tips & Tricks:
Please add some!

!!!!Sample Code:
    private static readonly uint X509_ASN_ENCODING = 1;

private static readonly uint CERT_SIMPLE_NAME_STR = 1;
    private static readonly uint CERT_OID_NAME_STR = 2;
    private static readonly uint CERT_NAME_STR_CRLF_FLAG = 0x08000000;
    private static readonly uint CERT_NAME_STR_NO_QUOTING_FLAG = 0x10000000;
    private static readonly uint CERT_NAME_STR_REVERSE_FLAG = 0x02000000;

[DllImport("crypt32.dll", SetLastError = true, EntryPoint = "CertNameToStr")]
    private static extern uint _certNameToStr(uint dwCertEncodingType, IntPtr pName, uint dwStrType, StringBuilder psz, uint csz);

public static string CertNameToStr(byte[] certName)
    {
            uint dwStrType = CERT_SIMPLE_NAME_STR | CERT_OID_NAME_STR | CERT_NAME_STR_CRLF_FLAG | CERT_NAME_STR_NO_QUOTING_FLAG | CERT_NAME_STR_REVERSE_FLAG;
            StringBuilder psz = null;

CERT_NAME_BLOB name;
            name.pbData = Marshal.AllocHGlobal(certName.Length);
            Marshal.Copy(certName, 0, name.pbData, certName.Length);
            name.cbData = (uint)certName.Length;
    
            IntPtr pName = Marshal.AllocHGlobal(certName.Length);
            Marshal.StructureToPtr(name, pName, false);

try
            {
                    uint ret = _certNameToStr(X509_ASN_ENCODING, pName, dwStrType, psz, 0);
                    if (ret == 0) return null;

psz = new StringBuilder((int)ret);
                    ret = _certNameToStr(X509_ASN_ENCODING, pName, dwStrType, psz, ret);
            }
            finally
            {
                    Marshal.FreeHGlobal(name.pbData);
                    Marshal.FreeHGlobal(pName);
            }

return psz.ToString();
    }

Documentation: CertNameToStr@msdn on MSDN