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mschaputil: Adapt mschapv2 to re-use mschap ops

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In addition, it refactors code to use l_util_hexstring_upper
This commit is contained in:
Tim Kourt 2019-01-10 14:34:18 -08:00 committed by Denis Kenzior
parent 6ffa1cf58a
commit 5d9d00fac3
1 changed files with 5 additions and 9 deletions
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14
src/mschaputil.c
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@ -172,13 +172,13 @@ bool mschapv2_generate_nt_response(const uint8_t password_hash[static 16],
challenge)) challenge))
return false; return false;
if (!mschapv2_des_encrypt(challenge, buffer + 0, response + 0)) if (!mschap_des_encrypt(challenge, buffer + 0, response + 0))
return false; return false;
if (!mschapv2_des_encrypt(challenge, buffer + 7, response + 8)) if (!mschap_des_encrypt(challenge, buffer + 7, response + 8))
return false; return false;
if (!mschapv2_des_encrypt(challenge, buffer + 14, response + 16)) if (!mschap_des_encrypt(challenge, buffer + 14, response + 16))
return false; return false;
return true; return true;
@ -223,7 +223,6 @@ bool mschapv2_generate_authenticator_response(
uint8_t digest[20]; uint8_t digest[20];
uint8_t challenge[8]; uint8_t challenge[8];
char *ascii; char *ascii;
int i;
struct l_checksum *check; struct l_checksum *check;
check = l_checksum_new(L_CHECKSUM_SHA1); check = l_checksum_new(L_CHECKSUM_SHA1);
@ -253,14 +252,11 @@ bool mschapv2_generate_authenticator_response(
response[0] = 'S'; response[0] = 'S';
response[1] = '='; response[1] = '=';
ascii = l_util_hexstring(digest, sizeof(digest)); ascii = l_util_hexstring_upper(digest, sizeof(digest));
if (!ascii) if (!ascii)
return false; return false;
for (i = 0; i < 40; ++i) { memcpy(response + 2, ascii, 40);
response[i + 2] = toupper(ascii[i]);
}
l_free(ascii); l_free(ascii);
return true; return true;