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move prng-tests away from cipher_hash_test()

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This commit is contained in:
Steffen Jaeckel 2017-06-09 13:30:28 +02:00
parent 904366eb0f
commit b38cf104f0
2 changed files with 34 additions and 30 deletions
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29
tests/cipher_hash_test.c
View File

@ -5,9 +5,6 @@
int cipher_hash_test(void) int cipher_hash_test(void)
{ {
int x; int x;
unsigned char buf[4096];
unsigned long n, one;
prng_state nprng;
/* test ciphers */ /* test ciphers */
for (x = 0; cipher_descriptor[x].name != NULL; x++) { for (x = 0; cipher_descriptor[x].name != NULL; x++) {
@ -33,32 +30,6 @@ int cipher_hash_test(void)
/* SHAKE128 + SHAKE256 tests are a bit special */ /* SHAKE128 + SHAKE256 tests are a bit special */
DOX(sha3_shake_test(), "sha3_shake"); DOX(sha3_shake_test(), "sha3_shake");
/* test prngs (test, import/export */
for (x = 0; prng_descriptor[x].name != NULL; x++) {
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);
if (strcmp(prng_descriptor[x].name, "sprng")) {
one = 1;
if (prng_descriptor[x].pexport(buf, &one, &nprng) != CRYPT_BUFFER_OVERFLOW) {
fprintf(stderr, "Error testing pexport with a short buffer (%s)\n", prng_descriptor[x].name);
return CRYPT_ERROR;
}
}
DOX(prng_descriptor[x].pexport(buf, &n, &nprng), prng_descriptor[x].name);
prng_descriptor[x].done(&nprng);
DOX(prng_descriptor[x].pimport(buf, n, &nprng), prng_descriptor[x].name);
DOX(prng_descriptor[x].pimport(buf, 4096, &nprng), prng_descriptor[x].name); /* try to import larger data */
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 (%s)!\n", prng_descriptor[x].name);
return CRYPT_ERROR;
}
prng_descriptor[x].done(&nprng);
}
return 0; return 0;
} }

35
tests/prng_test.c
View File

@ -20,7 +20,12 @@ static unsigned long my_test_rng(unsigned char *buf, unsigned long len,
int prng_test(void) int prng_test(void)
{ {
int err = CRYPT_NOP; int err = CRYPT_NOP;
int x;
unsigned char buf[4096];
unsigned long n, one;
prng_state nprng;
#ifdef LTC_PRNG_ENABLE_LTC_RNG #ifdef LTC_PRNG_ENABLE_LTC_RNG
unsigned long before; unsigned long before;
@ -41,5 +46,33 @@ int prng_test(void)
ltc_rng = previous; ltc_rng = previous;
#endif #endif
/* test prngs (test, import/export) */
for (x = 0; prng_descriptor[x].name != NULL; x++) {
if(strcmp(prng_descriptor[x].name, "no_prng") == 0) continue;
err = CRYPT_OK;
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);
if (strcmp(prng_descriptor[x].name, "sprng")) {
one = 1;
if (prng_descriptor[x].pexport(buf, &one, &nprng) != CRYPT_BUFFER_OVERFLOW) {
fprintf(stderr, "Error testing pexport with a short buffer (%s)\n", prng_descriptor[x].name);
return CRYPT_ERROR;
}
}
DOX(prng_descriptor[x].pexport(buf, &n, &nprng), prng_descriptor[x].name);
prng_descriptor[x].done(&nprng);
DOX(prng_descriptor[x].pimport(buf, n, &nprng), prng_descriptor[x].name);
DOX(prng_descriptor[x].pimport(buf, 4096, &nprng), prng_descriptor[x].name); /* try to import larger data */
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 (%s)!\n", prng_descriptor[x].name);
return CRYPT_ERROR;
}
prng_descriptor[x].done(&nprng);
}
return err; return err;
} }