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PPP: add a new LWIP_USE_EXTERNAL_MBEDTLS PPP option

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PPP users can now choose to use an external mbed TLS copy instead of using
our internal old version (but released under a BSDish license) PolarSSL copy.
This commit is contained in:
Sylvain Rochet 2016-05-08 21:26:19 +02:00
parent 9f3aff0cdf
commit 5df4f70a96
2 changed files with 43 additions and 2 deletions
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11
src/include/netif/ppp/ppp_opts.h
View File

@ -339,6 +339,13 @@
#define LWIP_USE_EXTERNAL_POLARSSL 0
#endif
/**
* LWIP_USE_EXTERNAL_MBEDTLS: Use external mbed TLS library
*/
#ifndef LWIP_USE_EXTERNAL_MBEDTLS
#define LWIP_USE_EXTERNAL_MBEDTLS 0
#endif
/*
* PPP Timeouts
*/
@ -538,7 +545,7 @@
/*
* Build triggers for embedded PolarSSL
*/
#if !LWIP_USE_EXTERNAL_POLARSSL
#if !LWIP_USE_EXTERNAL_POLARSSL && !LWIP_USE_EXTERNAL_MBEDTLS
/* CHAP, EAP, L2TP AUTH and MD5 Random require MD5 support */
#if CHAP_SUPPORT || EAP_SUPPORT || PPPOL2TP_AUTH_SUPPORT || PPP_MD5_RANDM
@ -562,7 +569,7 @@
#endif /* MSCHAP_SUPPORT */
#endif /* !LWIP_USE_EXTERNAL_POLARSSL */
#endif /* !LWIP_USE_EXTERNAL_POLARSSL && !LWIP_USE_EXTERNAL_MBEDTLS */
/* Default value if unset */
#ifndef LWIP_INCLUDED_POLARSSL_MD4

34
src/include/netif/ppp/pppcrypt.h
View File

@ -47,6 +47,8 @@
/*
* Map hashes and ciphers functions to PolarSSL
*/
#if !LWIP_USE_EXTERNAL_MBEDTLS
#include "netif/ppp/polarssl/md4.h"
#define lwip_md4_context md4_context
#define lwip_md4_starts md4_starts
@ -75,6 +77,38 @@
#define lwip_arc4_setup arc4_setup
#define lwip_arc4_crypt arc4_crypt
#endif /* !LWIP_USE_EXTERNAL_MBEDTLS */
/*
* Map hashes and ciphers functions to mbed TLS
*/
#if LWIP_USE_EXTERNAL_MBEDTLS
#define lwip_md4_context mbedtls_md4_context
#define lwip_md4_starts mbedtls_md4_starts
#define lwip_md4_update mbedtls_md4_update
#define lwip_md4_finish mbedtls_md4_finish
#define lwip_md5_context mbedtls_md5_context
#define lwip_md5_starts mbedtls_md5_starts
#define lwip_md5_update mbedtls_md5_update
#define lwip_md5_finish mbedtls_md5_finish
#define lwip_sha1_context mbedtls_sha1_context
#define lwip_sha1_starts mbedtls_sha1_starts
#define lwip_sha1_update mbedtls_sha1_update
#define lwip_sha1_finish mbedtls_sha1_finish
#define lwip_des_context mbedtls_des_context
#define lwip_des_setkey_enc mbedtls_des_setkey_enc
#define lwip_des_crypt_ecb mbedtls_des_crypt_ecb
#define lwip_arc4_context mbedtls_arc4_context
#define lwip_arc4_setup mbedtls_arc4_setup
#define lwip_arc4_crypt(context, buffer, length) mbedtls_arc4_crypt(context, length, buffer, buffer)
#endif /* LWIP_USE_EXTERNAL_MBEDTLS */
void pppcrypt_56_to_64_bit_key(u_char *key, u_char *des_key);
#endif /* PPPCRYPT_H */