newlispfanclub.alh.net

Posted: **Thu Jan 24, 2013 7:31 am**

Hello I try to use md5 function on ubuntu12.10 amd64 version.
After downloading the crypto.lsp file from below:
http://www.newlisp.org/code/modules/crypto.lsp.html

I execute the load statement in interaction environment:

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> (load "crypto.lsp")

ERR: user error : cannot find crypto library

That means I haven't libcrypto library installed. I installed it like so:

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apt-get install libssl0.9.8:i386
ln -s /lib/i386-linux-gnu/libcrypto.so.0.9.8 /usr/lib/

Then got another error message here:

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> (load "crypto.lsp")

ERR: problem loading library in function import : "/usr/lib/libcrypto.so.0.9.8: wrong ELF class: ELFCLASS32"

Have no idea about this now.

Posted: **Thu Jan 24, 2013 9:18 am**

just a stab in the dark here, csfreebird, but you said you were on amd64 but then went and installed:

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apt-get install libssl0.9.8:i386

?

I am assuming the error message:

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wrong ELF class: ELFCLASS32

is saying that it expected a 64-bit ELF class...

Posted: **Thu Jan 24, 2013 1:50 pm**

Thank you and you are right!
I found the correct file under /lib/x86_64-linux-gnu/ folder after installing the 64bit version:

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apt-get install libssl0.9.8

Then create a link for this:

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ln -s /lib/x86_64-linux-gnu/libcrypto.so.0.9.8 /usr/lib/

Now it works for me.

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> (load "crypto.lsp")
(lambda (crypto:str crypto:raw-flag) 
 (if crypto:raw-flag 
  (let (crypto:buff (dup "\000" 20)) 
   (cpymem (crypto:RIPEMD160 crypto:str (length crypto:str) 0) crypto:buff 20) crypto:buff) 
  (join (map (lambda (crypto:x) (format "%02x" (& crypto:x 255))) (unpack (dup "c" 
      20) 
     (crypto:RIPEMD160 crypto:str (length crypto:str) 0))))))
> (crypto:md5 "ABC")
"902fbdd2b1df0c4f70b4a5d23525e932"

Posted: **Thu Jan 24, 2013 2:38 pm**

newlispfanclub.alh.net

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