public string Decode(X500DistinguishedNameFlags flag)
{
uint dwStrType = CAPI.CERT_X500_NAME_STR | MapNameToStrFlag(flag);
unsafe {
byte[] encodedDistinguishedName = this.m_rawData;
fixed(byte *pbEncoded = encodedDistinguishedName)
{
CAPI.CRYPTOAPI_BLOB nameBlob;
IntPtr pNameBlob = new IntPtr(&nameBlob);
nameBlob.cbData = (uint)encodedDistinguishedName.Length;
nameBlob.pbData = new IntPtr(pbEncoded);
uint cchDecoded = CAPI.CertNameToStrW(CAPI.X509_ASN_ENCODING | CAPI.PKCS_7_ASN_ENCODING,
pNameBlob,
dwStrType,
SafeLocalAllocHandle.InvalidHandle,
0);
if (cchDecoded == 0)
{
throw new CryptographicException(CAPI.CERT_E_INVALID_NAME);
}
using (SafeLocalAllocHandle pwszDecodeName = CAPI.LocalAlloc(CAPI.LPTR, new IntPtr(2 * cchDecoded))) {
if (CAPI.CertNameToStrW(CAPI.X509_ASN_ENCODING | CAPI.PKCS_7_ASN_ENCODING,
pNameBlob,
dwStrType,
pwszDecodeName,
cchDecoded) == 0)
{
throw new CryptographicException(CAPI.CERT_E_INVALID_NAME);
}
return(Marshal.PtrToStringUni(pwszDecodeName.DangerousGetHandle()));
}
}
}
}