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Implement OTP counter feature for counter values of 0.

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This commit is contained in:
Maarten Billemont 2017-08-30 09:35:55 -04:00
parent 21a3a28980
commit 40d2788ae0
1 changed files with 5 additions and 1 deletions
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6
core/c/mpw-algorithm_v0.c
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@ -18,6 +18,7 @@
#include <string.h> #include <string.h>
#include <errno.h> #include <errno.h>
#include <time.h>
#include "mpw-util.h" #include "mpw-util.h"
#include "base64.h" #include "base64.h"
@ -25,6 +26,7 @@
#define MP_N 32768LU #define MP_N 32768LU
#define MP_r 8U #define MP_r 8U
#define MP_p 2U #define MP_p 2U
#define MP_otp_window 5 * 60 /* s */
// Algorithm version helpers. // Algorithm version helpers.
static const char *mpw_templateForType_v0(MPResultType type, uint16_t templateIndex) { static const char *mpw_templateForType_v0(MPResultType type, uint16_t templateIndex) {
@ -86,7 +88,9 @@ static MPSiteKey mpw_siteKey_v0(
const char *keyScope = mpw_scopeForPurpose( keyPurpose ); const char *keyScope = mpw_scopeForPurpose( keyPurpose );
trc( "keyScope: %s\n", keyScope ); trc( "keyScope: %s\n", keyScope );
// TODO: Implement MPCounterValueTOTP // OTP counter value.
if (siteCounter == MPCounterValueTOTP)
siteCounter = ((uint32_t)time(NULL) / MP_otp_window) * MP_otp_window;
// Calculate the site seed. // Calculate the site seed.
trc( "siteSalt: keyScope=%s | #siteName=%s | siteName=%s | siteCounter=%s | #keyContext=%s | keyContext=%s\n", trc( "siteSalt: keyScope=%s | #siteName=%s | siteName=%s | siteCounter=%s | #keyContext=%s | keyContext=%s\n",