diff options
Diffstat (limited to 'src/util/test_age_restriction.c')
-rw-r--r-- | src/util/test_age_restriction.c | 122 |
1 files changed, 115 insertions, 7 deletions
diff --git a/src/util/test_age_restriction.c b/src/util/test_age_restriction.c index a047714f7..0b182bd49 100644 --- a/src/util/test_age_restriction.c +++ b/src/util/test_age_restriction.c @@ -23,20 +23,126 @@ #include "taler_util.h" #include "taler_crypto_lib.h" -static struct TALER_AgeMask age_mask = { - .bits = 1 | 1 << 8 | 1 << 10 | 1 << 12 | 1 << 14 | 1 << 16 | 1 << 18 | 1 << 21 -}; - extern uint8_t get_age_group ( const struct TALER_AgeMask *mask, uint8_t age); +/** + * Encodes the age mask into a string, like "8:10:12:14:16:18:21" + * + * @param mask Age mask + * @return String representation of the age mask, allocated by GNUNET_malloc. + * Can be used as value in the TALER config. + */ +char * +age_mask_to_string ( + const struct TALER_AgeMask *m) +{ + uint32_t bits = m->bits; + unsigned int n = 0; + char *buf = GNUNET_malloc (32 * 3); // max characters possible + char *pos = buf; + + if (NULL == buf) + { + return buf; + } + + while (bits != 0) + { + bits >>= 1; + n++; + if (0 == (bits & 1)) + { + continue; + } + + if (n > 9) + { + *(pos++) = '0' + n / 10; + } + *(pos++) = '0' + n % 10; + + if (0 != (bits >> 1)) + { + *(pos++) = ':'; + } + } + return buf; +} + + +enum GNUNET_GenericReturnValue +test_groups (void) +{ + struct + { + uint32_t bits; + uint8_t group[33]; + } test[] = { + { + .bits = + 1 | 1 << 5 | 1 << 13 | 1 << 23, + + .group = { 0, 0, 0, 0, 0, + 1, 1, 1, 1, 1, 1, 1, 1, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 } + + + }, + { + .bits = + 1 | 1 << 8 | 1 << 10 | 1 << 12 | 1 << 14 | 1 << 16 | 1 << 18 | 1 << 21, + .group = { 0, 0, 0, 0, 0, 0, 0, 0, + 1, 1, + 2, 2, + 3, 3, + 4, 4, + 5, 5, + 6, 6, 6, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7} + + + } + }; + + for (uint8_t t = 0; t < sizeof(test) / sizeof(test[0]); t++) + { + struct TALER_AgeMask mask = {.bits = test[t].bits}; + + for (uint8_t i = 0; i < 32; i++) + { + uint8_t r = get_age_group (&mask, i); + char *m = age_mask_to_string (&mask); + + printf ("get_age_group(%s, %2d) = %d vs %d (exp)\n", + m, + i, + r, + test[t].group[i]); + + if (test[t].group[i] != r) + return GNUNET_SYSERR; + + GNUNET_free (m); + } + } + + return GNUNET_OK; +} + + +static struct TALER_AgeMask age_mask = { + .bits = 1 | 1 << 8 | 1 << 10 | 1 << 12 | 1 << 14 | 1 << 16 | 1 << 18 | 1 << 21 +}; + enum GNUNET_GenericReturnValue test_attestation (void) { uint8_t age; - for (age = 0; age < 35; age++) + for (age = 0; age < 33; age++) { enum GNUNET_GenericReturnValue ret; struct TALER_AgeCommitmentProof acp[3] = {0}; @@ -57,9 +163,9 @@ test_attestation (void) acp[0].proof.num, age_group); + /* Also derive two more commitments right away */ for (uint8_t i = 0; i<2; i++) { - /* Also derive another commitment right away */ salt = GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK, UINT64_MAX); GNUNET_assert (GNUNET_OK == @@ -126,8 +232,10 @@ main (int argc, { (void) argc; (void) argv; - if (GNUNET_OK != test_attestation ()) + if (GNUNET_OK != test_groups ()) return 1; + if (GNUNET_OK != test_attestation ()) + return 2; return 0; } |