From: Markus Schirp <mbj@...>
Date: 2008-01-09T02:27:34+09:00
Subject: Re: where is that method defined?

Am Wed, 9 Jan 2008 02:20:26 +0900
schrieb Alex Ma <alessio.spam@gmail.com>:

> I'm looking at ruby code for a class, for which I can call a method
> but which I don't find in the class source code.
> 
> I suppose this is a feature of Ruby that I have yet to learn.
> Can anyone help me please?
> 
> Specifically, the class is Cipher in openssl module (fully qualified
> class name s OpenSSL::Cipher::Cipher) and its source code in Ruby
> library is:
> 
>     class Cipher
>       def random_key
>         str = OpenSSL::Random.random_bytes(self.key_len)
>         self.key = str
>         return str
>       end
> 
>       def random_iv
>         str = OpenSSL::Random.random_bytes(self.iv_len)
>         self.iv = str
>         return str
>       end
>     end
> 
> Where does this class defines the cipher method?
> 
> Thanks!

The method may be defined in an C extension. Download ruby sources
and lookup under 'ext' directory.

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