[Mono-dev] Help Finding this Function?
Miguel de Icaza
miguel at xamarin.com
Thu Jun 26 15:10:10 UTC 2014
rand.c has several implementations, the CryptAcquireContext is part of the
Win32 support, and is a Win32 API call.
There is also a Native client implementation and a Unix one.
On Thu, Jun 26, 2014 at 10:11 AM, Edward Ned Harvey (mono) <
edward.harvey.mono at clevertrove.com> wrote:
> I wanted to understand where mono RNGCryptoServiceProvider gets random
> data. So I read its source, I see it uses "extern RngInitialize," so when
> I search for "RngInitialize," it leads me to
> in rand.c
> When I read rand.c, I see that it uses CryptAcquireContext. (First tries
> to use Intel PIII RNG, and falls back to RSA CSP). But I can't seem to
> find the definition for CryptAcquireContext. Anybody help?
> I search the entire source tree for CryptAcquireContext:
> $ grep -lr CryptAcquireContext .
> I suppose CapiContext.cs and CryptoAPI.cs get built to make
> Mono.Security.Win32.dll. So that explains having the phrase
> "CryptAcquireContext" in all 5 of those files ... But none of them, as far
> as I can tell, supply the definition for the function called in rand.c.
> Looking in CapiContext.cs and CryptoAPI.cs, I see they both contain the
> phrase "CryptAcquireContextA" which does not appear to be the same thing as
> "CryptAcquireContext" which is called by rand.c
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