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Add a test for crypto_pk_asn1_decode_private maxbits.

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This commit is contained in:
Nick Mathewson 2020-03-14 13:50:38 -04:00
parent be064f77b9
commit ab2e66ccdc
1 changed files with 24 additions and 0 deletions
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24
src/test/test_crypto.c
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@ -1491,6 +1491,29 @@ test_crypto_pk_pem_encrypted(void *arg)
crypto_pk_free(pk);
}
static void
test_crypto_pk_bad_size(void *arg)
{
(void)arg;
crypto_pk_t *pk1 = pk_generate(0);
crypto_pk_t *pk2 = NULL;
char buf[2048];
int n = crypto_pk_asn1_encode_private(pk1, buf, sizeof(buf));
tt_int_op(n, OP_GT, 0);
/* Set the max bit count smaller: we should refuse to decode the key.*/
pk2 = crypto_pk_asn1_decode_private(buf, n, 1020);
tt_assert(! pk2);
/* Set the max bit count larger: it should decode fine. */
pk2 = crypto_pk_asn1_decode_private(buf, n, 2048);
tt_assert(pk2);
done:
crypto_pk_free(pk1);
crypto_pk_free(pk2);
}
static void
test_crypto_pk_invalid_private_key(void *arg)
{
@ -3163,6 +3186,7 @@ struct testcase_t crypto_tests[] = {
{ "pk_fingerprints", test_crypto_pk_fingerprints, TT_FORK, NULL, NULL },
{ "pk_base64", test_crypto_pk_base64, TT_FORK, NULL, NULL },
{ "pk_pem_encrypted", test_crypto_pk_pem_encrypted, TT_FORK, NULL, NULL },
{ "pk_bad_size", test_crypto_pk_bad_size, 0, NULL, NULL },
{ "pk_invalid_private_key", test_crypto_pk_invalid_private_key, 0,
NULL, NULL },
CRYPTO_LEGACY(digests),