How to enum CSPs in C#?

mRbEn

Hi:
I'm trying to write a web page by using c# under dotnet framwork. My target
is lets the user to choose a csp to get a certificate from CA. But, I only
know how to enum providers by cryptoapi like: CryptEnumProvid ers(...).
Who can tell me how to enum csps by using C#?
thanks

Nov 17 '05 #1

Subscribe Reply

4622

Brendan Grant

There is no reason you cannot use the existing CryptEnumProvid ers() call,
youâ€™d just need to P/Invoke it and lucky for you, recently Nicholas Paldino
posted a C# signature for it over on
http://pinvoke.net/default.aspx/adva...Providers.html

Brendan
"mRbEn" wrote:

Hi:
I'm trying to write a web page by using c# under dotnet framwork. My target
is lets the user to choose a csp to get a certificate from CA. But, I only
know how to enum providers by cryptoapi like: CryptEnumProvid ers(...).
Who can tell me how to enum csps by using C#?
thanks

Nov 17 '05 #2

Nicholas Paldino [.NET/C# MVP]

Brendan,

That's pretty funky. How did you know it was me who posted it? =)

--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard. caspershouse.co m

"Brendan Grant" <gr****@NOSPAMd ahat.com> wrote in message
news:51******** *************** ***********@mic rosoft.com...

There is no reason you cannot use the existing CryptEnumProvid ers() call,
you'd just need to P/Invoke it and lucky for you, recently Nicholas
Paldino
posted a C# signature for it over on
http://pinvoke.net/default.aspx/adva...Providers.html

Brendan
"mRbEn" wrote:
Hi:
I'm trying to write a web page by using c# under dotnet framwork. My
target
is lets the user to choose a csp to get a certificate from CA. But, I
only
know how to enum providers by cryptoapi like: CryptEnumProvid ers(...).
Who can tell me how to enum csps by using C#?
thanks

Nov 17 '05 #3

mRbEn

thanks!

"Brendan Grant" <gr****@NOSPAMd ahat.com> Ð´ÈëÓÊ¼þ
news:51******** *************** ***********@mic rosoft.com...

There is no reason you cannot use the existing CryptEnumProvid ers() call,
you¡¯d just need to P/Invoke it and lucky for you, recently Nicholas Paldino posted a C# signature for it over on
http://pinvoke.net/default.aspx/adva...Providers.html

Brendan
"mRbEn" wrote:
Hi:
I'm trying to write a web page by using c# under dotnet framwork. My target is lets the user to choose a csp to get a certificate from CA. But, I only know how to enum providers by cryptoapi like: CryptEnumProvid ers(...).
Who can tell me how to enum csps by using C#?
thanks

Nov 17 '05 #4

mRbEn

one more question!
When I call the cryptenumprovid ers in my C# project. I got an error it's
said that the module could not be found. Why can't my project load
advapi32.dll and find the module CryptEnumProvid ers ? !!!

"mRbEn" <mr********@126 .com> Ð´ÈëÓÊ¼þ
news:uC******** ******@TK2MSFTN GP09.phx.gbl...

thanks!

"Brendan Grant" <gr****@NOSPAMd ahat.com> Ð´ÈëÓÊ¼þ
news:51******** *************** ***********@mic rosoft.com...
There is no reason you cannot use the existing CryptEnumProvid ers() call,
you¡¯d just need to P/Invoke it and lucky for you, recently Nicholas

Paldino
posted a C# signature for it over on
http://pinvoke.net/default.aspx/adva...Providers.html

Brendan
"mRbEn" wrote:
Hi:
I'm trying to write a web page by using c# under dotnet framwork. My

target is lets the user to choose a csp to get a certificate from CA. But, I only know how to enum providers by cryptoapi like: CryptEnumProvid ers(...).
Who can tell me how to enum csps by using C#?
thanks

Nov 17 '05 #5

Nicholas Paldino [.NET/C# MVP]

mRbEn,

What does the declaration in your code look like? You arent setting a
reference to advapi32.dll, are you?
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard. caspershouse.co m

"mRbEn" <mr********@126 .com> wrote in message
news:eW******** *****@TK2MSFTNG P12.phx.gbl...

one more question!
When I call the cryptenumprovid ers in my C# project. I got an error it's
said that the module could not be found. Why can't my project load
advapi32.dll and find the module CryptEnumProvid ers ? !!!

"mRbEn" <mr********@126 .com> Ð´ÈëÓÊ¼þ
news:uC******** ******@TK2MSFTN GP09.phx.gbl...
thanks!

"Brendan Grant" <gr****@NOSPAMd ahat.com> Ð´ÈëÓÊ¼þ
news:51******** *************** ***********@mic rosoft.com...
> There is no reason you cannot use the existing CryptEnumProvid ers() call, > you¡¯d just need to P/Invoke it and lucky for you, recently Nicholas

Paldino
> posted a C# signature for it over on
> http://pinvoke.net/default.aspx/adva...Providers.html
>
> Brendan
>
>
> "mRbEn" wrote:
>
> > Hi:
> > I'm trying to write a web page by using c# under dotnet framwork. My

target
> > is lets the user to choose a csp to get a certificate from CA. But, I

only
> > know how to enum providers by cryptoapi like:
> > CryptEnumProvid ers(...).
> > Who can tell me how to enum csps by using C#?
> > thanks
> >
> >
> >

Nov 17 '05 #6

mRbEn

I do think so, too. But I don't know how to reference to it.It's seemed I
can't reference to it by using the reference windows in my project.
BTW, APIs imported from User32 and Kenerl32 are worked well.

[DllImport("user 32.dll", EntryPoint="Mes sageBox")]
public static extern int MsgBox(int hWnd, String text, String caption,
uint type);
above is right.

[DllImport("Adva pi32", EntryPoint="Cry ptEnumProviders W",
SetLastError=tr ue, ExactSpelling=t rue,
CharSet=CharSet .Auto)]
static extern bool CryptEnumProvid ers(
[MarshalAs(Unman agedType.U4)] int dwIndex,
[MarshalAs(Unman agedType.U4)] ref int pdwReserved,
[MarshalAs(Unman agedType.U4)] int dwFlags,
[MarshalAs(Unman agedType.U4)] ref int pdwProvType,
StringBuilder pszProvName,
[MarshalAs(Unman agedType.U4)] ref int pcbProvName);
above is wrong.
errcode=126 ERROR_MOD_NOT_F OUND
The specified module could not be found.
"Nicholas Paldino [.NET/C# MVP]" <mv*@spam.guard .caspershouse.c om> Ð´ÈëÓÊ¼þ
news:%2******** ********@TK2MSF TNGP15.phx.gbl. ..

mRbEn,

What does the declaration in your code look like? You arent setting a
reference to advapi32.dll, are you?
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard. caspershouse.co m

"mRbEn" <mr********@126 .com> wrote in message
news:eW******** *****@TK2MSFTNG P12.phx.gbl...
one more question!
When I call the cryptenumprovid ers in my C# project. I got an error it's
said that the module could not be found. Why can't my project load
advapi32.dll and find the module CryptEnumProvid ers ? !!!

"mRbEn" <mr********@126 .com> Ð´ÈëÓÊ¼þ
news:uC******** ******@TK2MSFTN GP09.phx.gbl...
thanks!

"Brendan Grant" <gr****@NOSPAMd ahat.com> Ð´ÈëÓÊ¼þ
news:51******** *************** ***********@mic rosoft.com...
> There is no reason you cannot use the existing CryptEnumProvid ers()

call,
> you¡¯d just need to P/Invoke it and lucky for you, recently Nicholas
Paldino
> posted a C# signature for it over on
> http://pinvoke.net/default.aspx/adva...Providers.html
>
> Brendan
>
>
> "mRbEn" wrote:
>
> > Hi:
> > I'm trying to write a web page by using c# under dotnet framwork. My target
> > is lets the user to choose a csp to get a certificate from CA. But, I only
> > know how to enum providers by cryptoapi like:
> > CryptEnumProvid ers(...).
> > Who can tell me how to enum csps by using C#?
> > thanks
> >
> >
> >

Nov 17 '05 #7

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