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Harald Welte gerrit-no-reply at lists.osmocom.orgHarald Welte has submitted this change and it was merged. Change subject: auc_3g_test: allow to inc fake rand bytes upon rand request ...................................................................... auc_3g_test: allow to inc fake rand bytes upon rand request Preparing for upcoming unit test, in a separate commit for cosmetic reasons (setting the flag to false across the code). Change-Id: I6b9899cd898eecc95b244432f416041b194a7187 --- M tests/auc/auc_3g_test.c 1 file changed, 16 insertions(+), 10 deletions(-) Approvals: Harald Welte: Looks good to me, approved Jenkins Builder: Verified diff --git a/tests/auc/auc_3g_test.c b/tests/auc/auc_3g_test.c index f1fa2c2..cb5e412 100644 --- a/tests/auc/auc_3g_test.c +++ b/tests/auc/auc_3g_test.c @@ -88,11 +88,23 @@ } while (0) uint8_t fake_rand[16] = { 0 }; +bool fake_rand_fixed = true; + +void next_rand(const char *hexstr, bool fixed) +{ + osmo_hexparse(hexstr, fake_rand, sizeof(fake_rand)); + fake_rand_fixed = fixed; +} int rand_get(uint8_t *rand, unsigned int len) { + int i; OSMO_ASSERT(len <= sizeof(fake_rand)); memcpy(rand, fake_rand, len); + if (!fake_rand_fixed) { + for (i = 0; i < len; i++) + fake_rand[i] += 0x11; + } return len; } @@ -115,8 +127,7 @@ aud3g = (struct osmo_sub_auth_data){ 0 }; - osmo_hexparse("39fa2f4e3d523d8619a73b4f65c3e14d", - fake_rand, sizeof(fake_rand)); + next_rand("39fa2f4e3d523d8619a73b4f65c3e14d", true); vec = (struct osmo_auth_vector){ {0} }; VERBOSE_ASSERT(aud3g.u.umts.sqn, == 0, "%"PRIu64); @@ -184,9 +195,7 @@ aud3g.u.umts.k, sizeof(aud3g.u.umts.k)); osmo_hexparse("FB2A3D1B360F599ABAB99DB8669F8308", aud3g.u.umts.opc, sizeof(aud3g.u.umts.opc)); - - osmo_hexparse("39fa2f4e3d523d8619a73b4f65c3e14d", - fake_rand, sizeof(fake_rand)); + next_rand("39fa2f4e3d523d8619a73b4f65c3e14d", true); vec = (struct osmo_auth_vector){ {0} }; VERBOSE_ASSERT(aud3g.u.umts.sqn, == 0, "%"PRIu64); @@ -252,9 +261,7 @@ aud3g.u.umts.k, sizeof(aud3g.u.umts.k)); osmo_hexparse("FB2A3D1B360F599ABAB99DB8669F8308", aud3g.u.umts.opc, sizeof(aud3g.u.umts.opc)); - - osmo_hexparse("39fa2f4e3d523d8619a73b4f65c3e14d", - fake_rand, sizeof(fake_rand)); + next_rand("39fa2f4e3d523d8619a73b4f65c3e14d", true); vec = (struct osmo_auth_vector){ {0} }; VERBOSE_ASSERT(aud3g.u.umts.sqn, == 0, "%"PRIu64); @@ -353,8 +360,7 @@ osmo_hexparse("39fa2f4e3d523d8619a73b4f65c3e14d", rand_auts, sizeof(rand_auts)); /* new RAND token for the next key */ - osmo_hexparse("897210a0f7de278f0b8213098e098a3f", - fake_rand, sizeof(fake_rand)); + next_rand("897210a0f7de278f0b8213098e098a3f", true); rc = auc_compute_vectors(&vec, 1, &aud2g, &aud3g, rand_auts, auts); VERBOSE_ASSERT(rc, == 1, "%d"); /* The USIM's last sqn was 23, the calculated vector was 24, hence the -- To view, visit https://gerrit.osmocom.org/1867 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: merged Gerrit-Change-Id: I6b9899cd898eecc95b244432f416041b194a7187 Gerrit-PatchSet: 1 Gerrit-Project: osmo-hlr Gerrit-Branch: master Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de> Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Jenkins Builder