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When a test fails, print the algorithm that it failed on.

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As near as I can tell, LibTomCrypt doesn't provide any way to tell
which cipher failed when it reports a cipher test failure.  For
example, I was getting:

Algorithm failed test vectors. (5)
cipher_hash_test.c:14:cipher_descriptor[x].test()

But there's no way to tell what value x has, and even if there was, it
would take a bit of digging to determine which algorithm that
corresponds to.  So, I added a variant of the DO() macro, DOX(), which
takes an additional string argument which is displayed on failure.  So
now I get:

Algorithm failed test vectors. (5) - camellia
cipher_hash_test.c:14:cipher_descriptor[x].test()
This commit is contained in:
Patrick Pelletier 2011-09-25 18:04:05 -07:00 committed by Steffen Jaeckel
parent 9228cbbd1e
commit cecbbb88fc
3 changed files with 19 additions and 14 deletions
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18
testprof/cipher_hash_test.c
View File

@ -11,25 +11,25 @@ int cipher_hash_test(void)
/* test ciphers */
for (x = 0; cipher_descriptor[x].name != NULL; x++) {
DO(cipher_descriptor[x].test());
DOX(cipher_descriptor[x].test(), cipher_descriptor[x].name);
}
/* test hashes */
for (x = 0; hash_descriptor[x].name != NULL; x++) {
DO(hash_descriptor[x].test());
DOX(hash_descriptor[x].test(), hash_descriptor[x].name);
}
/* test prngs (test, import/export */
for (x = 0; prng_descriptor[x].name != NULL; x++) {
DO(prng_descriptor[x].test());
DO(prng_descriptor[x].start(&nprng));
DO(prng_descriptor[x].add_entropy((unsigned char *)"helloworld12", 12, &nprng));
DO(prng_descriptor[x].ready(&nprng));
DOX(prng_descriptor[x].test(), prng_descriptor[x].name);
DOX(prng_descriptor[x].start(&nprng), prng_descriptor[x].name);
DOX(prng_descriptor[x].add_entropy((unsigned char *)"helloworld12", 12, &nprng), prng_descriptor[x].name);
DOX(prng_descriptor[x].ready(&nprng), prng_descriptor[x].name);
n = sizeof(buf);
DO(prng_descriptor[x].pexport(buf, &n, &nprng));
DOX(prng_descriptor[x].pexport(buf, &n, &nprng), prng_descriptor[x].name);
prng_descriptor[x].done(&nprng);
DO(prng_descriptor[x].pimport(buf, n, &nprng));
DO(prng_descriptor[x].ready(&nprng));
DOX(prng_descriptor[x].pimport(buf, n, &nprng), prng_descriptor[x].name);
DOX(prng_descriptor[x].ready(&nprng), prng_descriptor[x].name);
if (prng_descriptor[x].read(buf, 100, &nprng) != 100) {
fprintf(stderr, "Error reading from imported PRNG!\n");
exit(EXIT_FAILURE);

7
testprof/test_driver.c
View File

@ -1,9 +1,12 @@
#include <tomcrypt_test.h>
void run_cmd(int res, int line, char *file, char *cmd)
void run_cmd(int res, int line, char *file, char *cmd, const char *algorithm)
{
if (res != CRYPT_OK) {
fprintf(stderr, "%s (%d)\n%s:%d:%s\n", error_to_string(res), res, file, line, cmd);
fprintf(stderr, "%s (%d)%s%s\n%s:%d:%s\n",
error_to_string(res), res,
(algorithm ? " - " : ""), (algorithm ? algorithm : ""),
file, line, cmd);
if (res != CRYPT_NOP) {
exit(EXIT_FAILURE);
}

8
testprof/tomcrypt_test.h
View File

@ -36,12 +36,14 @@ typedef struct {
extern prng_state yarrow_prng;
void run_cmd(int res, int line, char *file, char *cmd);
void run_cmd(int res, int line, char *file, char *cmd, const char *algorithm);
#ifdef LTC_VERBOSE
#define DO(x) do { fprintf(stderr, "%s:\n", #x); run_cmd((x), __LINE__, __FILE__, #x); } while (0);
#define DO(x) do { fprintf(stderr, "%s:\n", #x); run_cmd((x), __LINE__, __FILE__, #x, NULL); } while (0);
#define DOX(x, str) do { fprintf(stderr, "%s - %s:\n", #x, (str)); run_cmd((x), __LINE__, __FILE__, #x, (str)); } while (0);
#else
#define DO(x) do { run_cmd((x), __LINE__, __FILE__, #x); } while (0);
#define DO(x) do { run_cmd((x), __LINE__, __FILE__, #x, NULL); } while (0);
#define DOX(x, str) do { run_cmd((x), __LINE__, __FILE__, #x, (str)); } while (0);
#endif
/* TESTS */