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Revert "Added PolarSSL DES library, which is necessary for MSCHAP."

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This reverts commit de70b710af.

Licence issue, we cannot include GPLed source code.
This commit is contained in:
Sylvain Rochet
2012-05-20 20:39:15 +02:00
parent f5dc6e80c0
commit a820f32ec9
7 changed files with 168 additions and 587 deletions
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35
src/netif/ppp/chap_ms.c
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@@ -93,7 +93,6 @@
#include "chap_ms.h"
#include "polarssl/md4.h"
#include "polarssl/sha1.h"
#include "polarssl/des.h"
#include "pppcrypt.h"
#include "magic.h"
@@ -448,8 +447,6 @@ ChallengeResponse(u_char *challenge,
u_char response[24])
{
u_char ZPasswordHash[21];
des_context des;
u_char des_key[8];
BZERO(ZPasswordHash, sizeof(ZPasswordHash));
BCOPY(PasswordHash, ZPasswordHash, MD4_SIGNATURE_SIZE);
@@ -459,17 +456,12 @@ ChallengeResponse(u_char *challenge,
sizeof(ZPasswordHash), ZPasswordHash);
#endif
pppcrypt_56_to_64_bit_key(ZPasswordHash + 0, des_key);
des_setkey_enc(&des, des_key);
des_crypt_ecb(&des, challenge, response +0);
pppcrypt_56_to_64_bit_key(ZPasswordHash + 7, des_key);
des_setkey_enc(&des, des_key);
des_crypt_ecb(&des, challenge, response +8);
pppcrypt_56_to_64_bit_key(ZPasswordHash + 14, des_key);
des_setkey_enc(&des, des_key);
des_crypt_ecb(&des, challenge, response +16);
(void) DesSetkey(ZPasswordHash + 0);
DesEncrypt(challenge, response + 0);
(void) DesSetkey(ZPasswordHash + 7);
DesEncrypt(challenge, response + 8);
(void) DesSetkey(ZPasswordHash + 14);
DesEncrypt(challenge, response + 16);
#if 0
dbglog("ChallengeResponse - response %.24B", response);
@@ -568,22 +560,15 @@ ChapMS_LANMan(u_char *rchallenge, char *secret, int secret_len,
int i;
u_char UcasePassword[MAX_NT_PASSWORD]; /* max is actually 14 */
u_char PasswordHash[MD4_SIGNATURE_SIZE];
des_context des;
u_char des_key[8];
/* LANMan password is case insensitive */
BZERO(UcasePassword, sizeof(UcasePassword));
for (i = 0; i < secret_len; i++)
UcasePassword[i] = (u_char)toupper(secret[i]);
pppcrypt_56_to_64_bit_key(UcasePassword +0, des_key);
des_setkey_enc(&des, des_key);
des_crypt_ecb(&des, StdText, PasswordHash +0);
pppcrypt_56_to_64_bit_key(UcasePassword +7, des_key);
des_setkey_enc(&des, des_key);
des_crypt_ecb(&des, StdText, PasswordHash +8);
(void) DesSetkey(UcasePassword + 0);
DesEncrypt( StdText, PasswordHash + 0 );
(void) DesSetkey(UcasePassword + 7);
DesEncrypt( StdText, PasswordHash + 8 );
ChallengeResponse(rchallenge, PasswordHash, &response[MS_CHAP_LANMANRESP]);
}
#endif