From 8b575103b6e828ab90be6160c0a65a51b5d95589 Mon Sep 17 00:00:00 2001 From: James Prestwood Date: Wed, 30 Aug 2017 14:00:22 -0700 Subject: [PATCH] unit: Added unit tests for EAP-AKA' API's This adds unit tests for the new key derivation functions in simutil.c. The test data was obtained from RFC 5448 (case 1 and 2). --- unit/test-eap-sim.c | 131 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) diff --git a/unit/test-eap-sim.c b/unit/test-eap-sim.c index b497c848..79be2285 100644 --- a/unit/test-eap-sim.c +++ b/unit/test-eap-sim.c @@ -223,6 +223,135 @@ static void test_prng(const void *data) assert(!memcmp(prng_buf, (uint8_t *)ex_keys, sizeof(ex_keys))); } +struct aka_prime_data { + const char *identity; + const char *network; + uint8_t ik[EAP_AKA_IK_LEN]; + uint8_t ck[EAP_AKA_CK_LEN]; + uint8_t autn[16]; + uint8_t ik_p[EAP_AKA_IK_LEN]; + uint8_t ck_p[EAP_AKA_CK_LEN]; + uint8_t k_encr[EAP_SIM_K_ENCR_LEN]; + uint8_t k_aut[EAP_AKA_PRIME_K_AUT_LEN]; + uint8_t k_re[32]; + uint8_t msk[EAP_SIM_MSK_LEN]; + uint8_t emsk[EAP_SIM_EMSK_LEN]; +}; + +/* + * RFC 5448, Appendix C: Case 1 + */ +struct aka_prime_data test_case_1 = { + .identity = "0555444333222111", + .network = "WLAN", + .autn = { 0xbb, 0x52, 0xe9, 0x1c, 0x74, 0x7a, 0xc3, 0xab, + 0x2a, 0x5c, 0x23, 0xd1, 0x5e, 0xe3, 0x51, 0xd5 }, + .ik = { 0x97, 0x44, 0x87, 0x1a, 0xd3, 0x2b, 0xf9, 0xbb, + 0xd1, 0xdd, 0x5c, 0xe5, 0x4e, 0x3e, 0x2e, 0x5a }, + .ck = { 0x53, 0x49, 0xfb, 0xe0, 0x98, 0x64, 0x9f, 0x94, + 0x8f, 0x5d, 0x2e, 0x97, 0x3a, 0x81, 0xc0, 0x0f }, + .ik_p = { 0xcc, 0xfc, 0x23, 0x0c, 0xa7, 0x4f, 0xcc, 0x96, + 0xc0, 0xa5, 0xd6, 0x11, 0x64, 0xf5, 0xa7, 0x6c }, + .ck_p = { 0x00, 0x93, 0x96, 0x2d, 0x0d, 0xd8, 0x4a, 0xa5, + 0x68, 0x4b, 0x04, 0x5c, 0x9e, 0xdf, 0xfa, 0x04 }, + .k_encr = { 0x76, 0x6f, 0xa0, 0xa6, 0xc3, 0x17, 0x17, 0x4b, + 0x81, 0x2d, 0x52, 0xfb, 0xcd, 0x11, 0xa1, 0x79 }, + .k_aut = { 0x08, 0x42, 0xea, 0x72, 0x2f, 0xf6, 0x83, 0x5b, 0xfa, 0x20, + 0x32, 0x49, 0x9f, 0xc3, 0xec, 0x23, 0xc2, 0xf0, 0xe3, + 0x88, 0xb4, 0xf0, 0x75, 0x43, 0xff, 0xc6, 0x77, 0xf1, + 0x69, 0x6d, 0x71, 0xea }, + .k_re = { 0xcf, 0x83, 0xaa, 0x8b, 0xc7, 0xe0, 0xac, 0xed, 0x89, 0x2a, + 0xcc, 0x98, 0xe7, 0x6a, 0x9b, 0x20, 0x95, 0xb5, 0x58, + 0xc7, 0x79, 0x5c, 0x70, 0x94, 0x71, 0x5c, 0xb3, 0x39, + 0x3a, 0xa7, 0xd1, 0x7a }, + .msk = { 0x67, 0xc4, 0x2d, 0x9a, 0xa5, 0x6c, 0x1b, 0x79, 0xe2, 0x95, + 0xe3, 0x45, 0x9f, 0xc3, 0xd1, 0x87, 0xd4, 0x2b, 0xe0, + 0xbf, 0x81, 0x8d, 0x30, 0x70, 0xe3, 0x62, 0xc5, 0xe9, + 0x67, 0xa4, 0xd5, 0x44, 0xe8, 0xec, 0xfe, 0x19, 0x35, + 0x8a, 0xb3, 0x03, 0x9a, 0xff, 0x03, 0xb7, 0xc9, 0x30, + 0x58, 0x8c, 0x05, 0x5b, 0xab, 0xee, 0x58, 0xa0, 0x26, + 0x50, 0xb0, 0x67, 0xec, 0x4e, 0x93, 0x47, 0xc7, 0x5a }, + .emsk = { 0xf8, 0x61, 0x70, 0x3c, 0xd7, 0x75, 0x59, 0x0e, 0x16, 0xc7, + 0x67, 0x9e, 0xa3, 0x87, 0x4a, 0xda, 0x86, 0x63, 0x11, + 0xde, 0x29, 0x07, 0x64, 0xd7, 0x60, 0xcf, 0x76, 0xdf, + 0x64, 0x7e, 0xa0, 0x1c, 0x31, 0x3f, 0x69, 0x92, 0x4b, + 0xdd, 0x76, 0x50, 0xca, 0x9b, 0xac, 0x14, 0x1e, 0xa0, + 0x75, 0xc4, 0xef, 0x9e, 0x80, 0x29, 0xc0, 0xe2, 0x90, + 0xcd, 0xba, 0xd5, 0x63, 0x8b, 0x63, 0xbc, 0x23, 0xfb } + +}; + +/* + * RFC 5448, Appendix C: Case 2 + */ +struct aka_prime_data test_case_2 = { + .identity = "0555444333222111", + .network = "HRPD", + .autn = { 0xbb, 0x52, 0xe9, 0x1c, 0x74, 0x7a, 0xc3, 0xab, + 0x2a, 0x5c, 0x23, 0xd1, 0x5e, 0xe3, 0x51, 0xd5 }, + .ik = { 0x97, 0x44, 0x87, 0x1a, 0xd3, 0x2b, 0xf9, 0xbb, + 0xd1, 0xdd, 0x5c, 0xe5, 0x4e, 0x3e, 0x2e, 0x5a }, + .ck = { 0x53, 0x49, 0xfb, 0xe0, 0x98, 0x64, 0x9f, 0x94, + 0x8f, 0x5d, 0x2e, 0x97, 0x3a, 0x81, 0xc0, 0x0f }, + .ik_p = { 0xdb, 0x94, 0xa0, 0xab, 0x55, 0x7e, 0xf6, 0xc9, + 0xab, 0x48, 0x61, 0x9c, 0xa0, 0x5b, 0x9a, 0x9f }, + .ck_p = { 0x38, 0x20, 0xf0, 0x27, 0x7f, 0xa5, 0xf7, 0x77, + 0x32, 0xb1, 0xfb, 0x1d, 0x90, 0xc1, 0xa0, 0xda }, + .k_encr = { 0x05, 0xad, 0x73, 0xac, 0x91, 0x5f, 0xce, 0x89, + 0xac, 0x77, 0xe1, 0x52, 0x0d, 0x82, 0x18, 0x7b }, + .k_aut = { 0x5b, 0x4a, 0xca, 0xef, 0x62, 0xc6, 0xeb, 0xb8, 0x88, 0x2b, + 0x2f, 0x3d, 0x53, 0x4c, 0x4b, 0x35, 0x27, 0x73, 0x37, + 0xa0, 0x01, 0x84, 0xf2, 0x0f, 0xf2, 0x5d, 0x22, 0x4c, + 0x04, 0xbe, 0x2a, 0xfd }, + .k_re = { 0x3f, 0x90, 0xbf, 0x5c, 0x6e, 0x5e, 0xf3, 0x25, 0xff, 0x04, + 0xeb, 0x5e, 0xf6, 0x53, 0x9f, 0xa8, 0xcc, 0xa8, 0x39, + 0x81, 0x94, 0xfb, 0xd0, 0x0b, 0xe4, 0x25, 0xb3, 0xf4, + 0x0d, 0xba, 0x10, 0xac }, + .msk = { 0x87, 0xb3, 0x21, 0x57, 0x01, 0x17, 0xcd, 0x6c, 0x95, 0xab, + 0x6c, 0x43, 0x6f, 0xb5, 0x07, 0x3f, 0xf1, 0x5c, 0xf8, + 0x55, 0x05, 0xd2, 0xbc, 0x5b, 0xb7, 0x35, 0x5f, 0xc2, + 0x1e, 0xa8, 0xa7, 0x57, 0x57, 0xe8, 0xf8, 0x6a, 0x2b, + 0x13, 0x80, 0x02, 0xe0, 0x57, 0x52, 0x91, 0x3b, 0xb4, + 0x3b, 0x82, 0xf8, 0x68, 0xa9, 0x61, 0x17, 0xe9, 0x1a, + 0x2d, 0x95, 0xf5, 0x26, 0x67, 0x7d, 0x57, 0x29, 0x00 }, + .emsk = { 0xc8, 0x91, 0xd5, 0xf2, 0x0f, 0x14, 0x8a, 0x10, 0x07, 0x55, + 0x3e, 0x2d, 0xea, 0x55, 0x5c, 0x9c, 0xb6, 0x72, 0xe9, + 0x67, 0x5f, 0x4a, 0x66, 0xb4, 0xba, 0xfa, 0x02, 0x73, + 0x79, 0xf9, 0x3a, 0xee, 0x53, 0x9a, 0x59, 0x79, 0xd0, + 0xa0, 0x04, 0x2b, 0x9d, 0x2a, 0xe2, 0x8b, 0xed, 0x3b, + 0x17, 0xa3, 0x1d, 0xc8, 0xab, 0x75, 0x07, 0x2b, 0x80, + 0xbd, 0x0c, 0x1d, 0xa6, 0x12, 0x46, 0x6e, 0x40, 0x2c } + +}; + +static void test_aka_prf_prime(const void *data) +{ + struct aka_prime_data *vals = (struct aka_prime_data *)data; + uint8_t k_encr[16]; + uint8_t k_aut[32]; + uint8_t k_re[32]; + uint8_t msk[64]; + uint8_t emsk[64]; + uint8_t ik_p[16]; + uint8_t ck_p[16]; + + eap_aka_derive_primes(vals->ck, vals->ik, vals->autn, + (const uint8_t *)vals->network, strlen(vals->network), + ck_p, ik_p); + + assert(memcmp(ik_p, vals->ik_p, EAP_AKA_IK_LEN) == 0); + assert(memcmp(ck_p, vals->ck_p, EAP_AKA_CK_LEN) == 0); + + eap_aka_prf_prime(ik_p, ck_p, vals->identity, k_encr, k_aut, k_re, + msk, emsk); + + assert(memcmp(k_encr, vals->k_encr, EAP_SIM_K_ENCR_LEN) == 0); + assert(memcmp(k_aut, vals->k_aut, EAP_AKA_PRIME_K_AUT_LEN) == 0); + assert(memcmp(k_re, vals->k_re, EAP_AKA_K_RE_LEN) == 0); + assert(memcmp(msk, vals->msk, EAP_SIM_MSK_LEN) == 0); + assert(memcmp(emsk, vals->emsk, EAP_SIM_EMSK_LEN) == 0); +} + int main(int argc, char *argv[]) { l_test_init(&argc, &argv); @@ -231,6 +360,8 @@ int main(int argc, char *argv[]) l_test_add("EAP-SIM add attribute test", test_add_attribute, NULL); l_test_add("EAP-SIM calculate MAC test", test_calc_mac, NULL); l_test_add("EAP-SIM PRNG test", test_prng, NULL); + l_test_add("EAP-AKA' Test Case 1", test_aka_prf_prime, &test_case_1); + l_test_add("EAP-AKA' Test Case 2", test_aka_prf_prime, &test_case_2); return l_test_run(); }