Jivin goon863 lays it down ...
> hi,
> I am doing pptpd on bf537 board.While i add mppe in pppd and cross compile 
> the kernel,it has errors that "des.h can't be found" and some parameters 
> undefined in the file extra_crypto.c .So i search des.h in the kernel,but 
> only a blank des.h in kernel lib and another des.h in openswan.
> I copy the openswan des.h to pppd and compile ok.But it seems that the pppd 
> dose not support mppe.
> While connect to the server and disable crypto in windows xp,it connect 
> ok.But when enable crypto and try to connect,it shows error "619"in xp.



Have you enabled MPPE in the kernel ?

Cheers,
Davidm


> here is my messages:
> <7>Apr 19 14:44:47 pppd[56]: rcvd [CHAP Response id=0x1 
> <714f9ff501a72254f00380d
> <7>Apr 19 14:44:47 pppd[56]: sent [CHAP Success id=0x1 
> "S=D4461080C9B55BF6CC7826
> <7>Apr 19 14:44:47 pppd[56]: sent [IPCP ConfReq id=0x1 <addr 192.168.1.126> 
> <com
> <7>Apr 19 14:44:47 pppd[56]: sent [CCP ConfReq id=0x1]
> <5>Apr 19 14:44:47 pppd[56]: MSCHAP-v2 peer authentication succeeded for 
> goon862
> <7>Apr 19 14:44:47 pppd[56]: rcvd [CCP ConfReq id=0x5 <mppe 1 0 0 e1]
> <7>Apr 19 14:44:47 pppd[56]: sent [CCP ConfRej id=0x5 <mppe 1 0 0 40]
> <7>Apr 19 14:44:47 pppd[56]: rcvd [IPCP ConfReq id=0x6 <addr 0.0.0.0> 
> <ms-dns1 0
> <7>Apr 19 14:44:47 pppd[56]: sent [IPCP ConfRej id=0x6 <ms-dns1 0.0.0.0> 
> <ms-win
> <7>Apr 19 14:44:47 pppd[56]: rcvd [IPCP ConfRej id=0x1 <compress VJ 0f 01>]
> <7>Apr 19 14:44:47 pppd[56]: sent [IPCP ConfReq id=0x2 <addr 192.168.1.126>]
> <7>Apr 19 14:44:47 pppd[56]: rcvd [CCP ConfNak id=0x1 <mppe 0 0 0 0]
> <7>Apr 19 14:44:47 pppd[56]: sent [CCP ConfReq id=0x2]
> <7>Apr 19 14:44:47 pppd[56]: rcvd [IPCP ConfReq id=0x7 <addr 0.0.0.0>]
> <7>Apr 19 14:44:47 pppd[56]: sent [IPCP ConfNak id=0x7 <addr 192.168.1.20>]
> <7>Apr 19 14:44:47 pppd[56]: rcvd [IPCP ConfAck id=0x2 <addr 192.168.1.126>]
> <7>Apr 19 14:44:47 pppd[56]: rcvd [CCP ConfNak id=0x2 <mppe 0 0 0 0]
> <7>Apr 19 14:44:47 pppd[56]: sent [CCP ConfReq id=0x3]
> <7>Apr 19 14:44:47 pppd[56]: rcvd [IPCP ConfReq id=0x8 <addr 192.168.1.20>]
> <7>Apr 19 14:44:47 pppd[56]: sent [IPCP ConfAck id=0x8 <addr 192.168.1.20>]
> <6>Apr 19 14:44:47 pppd[56]: found interface eth0 for proxy arp
> <5>Apr 19 14:44:47 pppd[56]: local  IP address 192.168.1.126
> <5>Apr 19 14:44:47 pppd[56]: remote IP address 192.168.1.20
> <5>Apr 19 14:44:47 pppd[56]: remote IP address 192.168.1.20
> <7>Apr 19 14:44:47 pppd[56]: rcvd [CCP ConfNak id=0x3 <mppe 0 0 0 0]
> <7>Apr 19 14:44:47 pppd[56]: sent [CCP ConfReq id=0x4]
> <7>Apr 19 14:44:48 pppd[56]: rcvd [CCP ConfNak id=0x4 <mppe 0 0 0 0]
> <7>Apr 19 14:44:48 pppd[56]: sent [CCP ConfReq id=0x5]
> <7>Apr 19 14:44:48 pppd[56]: rcvd [CCP ConfNak id=0x5 <mppe 0 0 0 0]
> <7>Apr 19 14:44:48 pppd[56]: sent [CCP ConfReq id=0x6]
> <7>Apr 19 14:44:48 pppd[56]: rcvd [CCP ConfNak id=0x6 <mppe 0 0 0 0]
> <7>Apr 19 14:44:48 pppd[56]: sent [CCP ConfReq id=0x7]
> <7>Apr 19 14:44:48 pppd[56]: rcvd [CCP ConfNak id=0x7 <mppe 0 0 0 0]
> <7>Apr 19 14:44:48 pppd[56]: sent [CCP ConfReq id=0x8]
> <7>Apr 19 14:44:48 pppd[56]: rcvd [CCP ConfNak id=0x8 <mppe 0 0 0 0]
> <7>Apr 19 14:44:48 pppd[56]: sent [CCP ConfReq id=0x9]
> <7>Apr 19 14:44:48 pppd[56]: rcvd [CCP ConfNak id=0x9 <mppe 0 0 0 0]
> <7>Apr 19 14:44:48 pppd[56]: sent [CCP ConfReq id=0xa]
> <7>Apr 19 14:44:48 pppd[56]: rcvd [CCP ConfNak id=0xa <mppe 0 0 0 0]
> <7>Apr 19 14:44:48 pppd[56]: sent [CCP ConfReq id=0xb]
> cross compile my kernel as follow:
> Cryptographic options
>  --- Cryptographic API          
>   │ │ [*]   HMAC support             
>   │ │ <*>   Null algorithms
>   │ │ <*>   MD4 digest algorithm
>   │ │ <*>   MD5 digest algorithm
>   │ │ <M>   SHA1 digest algorithm   
>   │ │ <*>   SHA256 digest algorithm    
>   │ │ <*>   SHA384 and SHA512 digest algorithms
>   │ │ <*>   Whirlpool digest algorithms  
>   │ │ <*>   Tiger digest algorithms      
>   │ │ <*>   DES and Triple DES EDE cipher algorithms
>   │ │ <*>   Blowfish cipher algorithm   
>   │ │ <*>   Twofish cipher algorithm      
>   │ │ <*>   Serpent cipher algorithm                    
>   │ │ <*>   AES cipher algorithms   
>   │ │ <*>   CAST5 (CAST-128) cipher algorithm    
>   │ │ <*>   CAST6 (CAST-256) cipher algorithm  
>   │ │ <*>   TEA, XTEA and XETA cipher algorithms
>   │ │ <M>   ARC4 cipher algorithm            
>   │ │ <*>   Khazad cipher algorithm    
>   │ │ <*>   Anubis cipher algorithm  
>   │ │ <*>   Deflate compression algorithm   
>   │ │ <*>   Michael MIC keyed digest algorithm  
>   │ │ <*>   CRC32c CRC algorithm      
>   │ │ < >   Testing module   
>   │ │     Hardware crypto devices  --->    
> Network device support
>   │ │ <*> PPP (point-to-point protocol) support
>   │ │ <*> PPP multilink support (EXPERIMENTAL)
>   │ │ <*> PPP filtering                
>   │ │ <*>   PPP support for async serial ports   
>   │ │ <*>   PPP support for sync tty ports
>   │ │ <*>   PPP Deflate compression           
>   │ │ <*>   PPP BSD-Compress compression     
>   │ │ <*>   PPP MPPE compression (encryption) (EXPERIMENTAL)
>   │ │ <*>   PPP over Ethernet (EXPERIMENTAL)  
> Network Applications
>   │ │ <*> portmap                      
>   │ │ <*> pppd                              
>   │ │      <*> enable MPPE              
>   │ │      [ ]   enable PPPOE            
>   │ │      [ ]   enable PPPOA                 
>   │ │      [ ]   disable redirection of passwords starting
>   │ │ <*> pptpctrl                            
>   │ │ <*> pptpd                
>   │ │      [ ] pptp                
>   │ │      [ ] pptp_callmgr   
>  Library Configuration
>   │ │          [ ] Build libAES
>   │ │          [*] Build libDES
>   │ │          [*] Build libSSL
>   │ │          [ ] Build libGMP
> # root:~> lsmod
> Module                  Size  Used by
> sha1 1868 0 - Live 0x02d42000
> arc4 1288 0 - Live 0x00312800
> ppp_mppe 5892 0 - Live 0x02d26000
> options.pptpd:
> lock
> debug
> chap-secrets
> name pptpd
> auth
> require-chap
> proxyarp
> +chapms-v2
> mppe-128
> mppe-stateless
> pptpd.conf:
> speed 115200
> stimeout 10
> localip 192.168.1.126-130
> remoteip 192.168.1.200-230
> will you please tell me how to solve the problem?
> thanks very much!
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-- 
David McCullough,  [EMAIL PROTECTED],   Ph:+61 734352815
Secure Computing - SnapGear  http://www.uCdot.org http://www.cyberguard.com
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