diff options
Diffstat (limited to 'librecrypt_fill_with_random_.c')
| -rw-r--r-- | librecrypt_fill_with_random_.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/librecrypt_fill_with_random_.c b/librecrypt_fill_with_random_.c index 475a156..8eb3cfd 100644 --- a/librecrypt_fill_with_random_.c +++ b/librecrypt_fill_with_random_.c @@ -16,7 +16,7 @@ librecrypt_fill_with_random_(void *out, size_t n, ssize_t (*rng)(void *out, size r = (*rng)(buf, n, user); if (r <= 0) { if (!r) - abort(); + abort(); /* $covered$ */ return -1; } buf = &buf[(size_t)r]; @@ -98,10 +98,12 @@ main(void) SET_UP_ALARM(); + /* Check default RNG */ EXPECT(librecrypt_fill_with_random_(buf1, sizeof(buf1), NULL, NULL) == 0); EXPECT(librecrypt_fill_with_random_(buf2, sizeof(buf1), NULL, NULL) == 0); EXPECT(memcmp(buf1, buf2, sizeof(buf1))); + /* Check stateless all-at-once RNG */ memset(buf1, 99, sizeof(buf1)); errno = 0; EXPECT(librecrypt_fill_with_random_(buf1, sizeof(buf1), &zero, NULL) == 0); @@ -109,6 +111,7 @@ main(void) for (s = 0u, i = 0u; i < sizeof(buf1); i++, s++) EXPECT(!buf1[i]); + /* Check stateful chunked RNG (importantly, chunks are smaller than pattern) */ memset(buf1, 99, sizeof(buf1)); s = 0u; errno = 0; @@ -117,6 +120,7 @@ main(void) for (s = 0u, i = 0u; i < sizeof(buf1); i++, s++) EXPECT(buf1[i] == s); + /* Check stateful one-byte-per-call RNG */ memset(buf1, 99, sizeof(buf1)); s = 0u; errno = 0; @@ -125,6 +129,7 @@ main(void) for (s = 0u, i = 0u; i < sizeof(buf1); i++, s++) EXPECT(buf1[i] == s); + /* Check failure in RNG */ memset(buf1, 99, sizeof(buf1)); s = 0u; errno = 0; @@ -133,6 +138,7 @@ main(void) for (s = 0u, i = 0u; i < sizeof(buf1); i++, s++) EXPECT(buf1[i] == 99); + /* Check function abort(3)s if RNG returns 0 */ EXPECT_ABORT(rv = librecrypt_fill_with_random_(buf1, sizeof(buf1), &zero_ret, NULL)); return rv; |