/// <summary>
/// works by calling EnumProviders. otherwise INVALID_PARAMETER
/// </summary>
public static ProvType [] EnumProviderTypes()
{
uint [] ia;
ProviderInfo [] providers = EnumProviders(out ia);
ProvType [] pta = new ProvType[ia.Length];
for (int i = 0; i < ia.Length; i++)
{
pta[i] = (ProvType)ia[i];
}
return(pta);
}
/// <summary>
/// works by calling EnumProviders. otherwise INVALID_PARAMETER
/// </summary>
public static ProvType[] EnumProviderTypes()
{
uint [] ia;
ProviderInfo [] providers = EnumProviders(out ia);
ProvType [] pta = new ProvType[ia.Length];
for(int i=0; i<ia.Length; i++)
{
pta[i] = (ProvType) ia[i];
}
return pta;
}
public static IntPtr AcquireContext(string conName, string provName, ProvType provType, ContextFlag conFlag)
{
IntPtr hProv;
bool retVal = Crypto.CryptAcquireContext(out hProv, conName, provName, (uint)provType, (uint)conFlag);
ErrCode ec = Error.HandleRetVal(retVal, ErrCode.NTE_BAD_KEYSET);
if (ec == ErrCode.NTE_BAD_KEYSET) //try creating a new key container
{
retVal = Crypto.CryptAcquireContext(out hProv, conName, provName, (uint)provType, (uint)ContextFlag.NEWKEYSET);
ec = Error.HandleRetVal(retVal);
}
if (hProv == IntPtr.Zero)
{
throw new Exception("bNb.Sec: " + ec.ToString());
}
return(hProv);
}
/// <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);
}
public static IntPtr AcquireContext(string conName, string provName, ProvType provType, ContextFlag conFlag)
{
IntPtr hProv;
bool retVal = Crypto.CryptAcquireContext(out hProv, conName, provName, (uint) provType, (uint) conFlag);
ErrCode ec = Error.HandleRetVal(retVal, ErrCode.NTE_BAD_KEYSET);
if(ec == ErrCode.NTE_BAD_KEYSET) //try creating a new key container
{
retVal = Crypto.CryptAcquireContext(out hProv, conName, provName, (uint) provType, (uint) ContextFlag.NEWKEYSET);
ec = Error.HandleRetVal(retVal);
}
if(hProv == IntPtr.Zero)
throw new Exception("bNb.Sec: " + ec.ToString());
return hProv;
}
public static IntPtr AcquireContext(string conName, string provName, ProvType provType)
{
return AcquireContext(conName, provName, provType, ContextFlag.NONE);
}
public static IntPtr AcquireContext(string provName, ProvType provType, ContextFlag conFlag)
{
return AcquireContext(null, provName, provType, conFlag);
}
public static IntPtr AcquireContext(ProvType provType)
{
return AcquireContext(null, null, provType, ContextFlag.NONE);
}
/// <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);
}
public static void SetProvider(string provName, ProvType provType)
{
bool retVal = Crypto.CryptSetProvider(provName, (uint) provType);
ErrCode ec = Error.HandleRetVal(retVal);
}
public static void SetProvider(string provName, ProvType provType)
{
bool retVal = Crypto.CryptSetProvider(provName, (uint)provType);
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);
}
public static IntPtr AcquireContext(string conName, string provName, ProvType provType)
{
return(AcquireContext(conName, provName, provType, ContextFlag.NONE));
}
public static IntPtr AcquireContext(string provName, ProvType provType, ContextFlag conFlag)
{
return(AcquireContext(null, provName, provType, conFlag));
}
public static IntPtr AcquireContext(ProvType provType)
{
return(AcquireContext(null, null, provType, ContextFlag.NONE));
}
