/// <summary>
/// INVALID_PARAMETER. call Context.AcquireContext with minimal values instead
/// </summary>
public static string GetDefaultProvider(ProvType provType, ProvDefaultFlag provDefFlag)
{
uint reserved = 0;
uint flags = (uint) provDefFlag;
uint dataLen = 0;
StringBuilder provName = new StringBuilder();
bool retVal = Crypto.CryptGetDefaultProvider((uint)provType, ref reserved, flags, provName, ref dataLen);
ErrCode ec = Error.HandleRetVal(retVal, ErrCode.MORE_DATA);
if(ec == ErrCode.MORE_DATA)
{
provName = new StringBuilder((int)dataLen);
retVal = Crypto.CryptGetDefaultProvider((uint)provType, ref reserved, flags, provName, ref dataLen);
ec = Error.HandleRetVal(retVal);
}
string name = provName.ToString();
if(name == null || name == String.Empty)
throw new Exception(ec.ToString());
return name;
}
/// <summary>
/// INVALID_PARAMETER. call Context.AcquireContext with minimal values instead
/// </summary>
public static string GetDefaultProvider(ProvType provType, ProvDefaultFlag provDefFlag)
{
uint reserved = 0;
uint flags = (uint)provDefFlag;
uint dataLen = 0;
StringBuilder provName = new StringBuilder();
bool retVal = Crypto.CryptGetDefaultProvider((uint)provType, ref reserved, flags, provName, ref dataLen);
ErrCode ec = Error.HandleRetVal(retVal, ErrCode.MORE_DATA);
if (ec == ErrCode.MORE_DATA)
{
provName = new StringBuilder((int)dataLen);
retVal = Crypto.CryptGetDefaultProvider((uint)provType, ref reserved, flags, provName, ref dataLen);
ec = Error.HandleRetVal(retVal);
}
string name = provName.ToString();
if (name == null || name == String.Empty)
{
throw new Exception(ec.ToString());
}
return(name);
}
/// <summary>
/// INVALID_PARAMETER. call SetProvider instead
/// </summary>
public static void SetProviderEx(string provName, ProvType provType, ProvDefaultFlag provDefFlag)
{
uint reserved = 0;
bool retVal = Crypto.CryptSetProviderEx(provName, (uint) provType, ref reserved, (uint) provDefFlag);
ErrCode ec = Error.HandleRetVal(retVal);
}
/// <summary>
/// INVALID_PARAMETER. call SetProvider instead
/// </summary>
public static void SetProviderEx(string provName, ProvType provType, ProvDefaultFlag provDefFlag)
{
uint reserved = 0;
bool retVal = Crypto.CryptSetProviderEx(provName, (uint)provType, ref reserved, (uint)provDefFlag);
ErrCode ec = Error.HandleRetVal(retVal);
}
