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Mark unreachable lines in crypto_curve25519.c

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Also, resolve a bug in test_ntor_cl.c
This commit is contained in:
Nick Mathewson 2016-05-03 11:12:39 -04:00
parent 820b1984ad
commit 8a536be705
2 changed files with 11 additions and 3 deletions
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9
src/common/crypto_curve25519.c
View File

@ -65,8 +65,10 @@ STATIC int
curve25519_basepoint_impl(uint8_t *output, const uint8_t *secret)
{
int r = 0;
if (PREDICT_UNLIKELY(curve25519_use_ed == -1)) {
if (BUG(curve25519_use_ed == -1)) {
/* LCOV_EXCL_START - Only reached if we forgot to call curve25519_init() */
pick_curve25519_basepoint_impl();
/* LCOV_EXCL_STOP */
}
/* TODO: Someone should benchmark curved25519_scalarmult_basepoint versus
@ -290,10 +292,13 @@ pick_curve25519_basepoint_impl(void)
if (curve25519_basepoint_spot_check() == 0)
return;
log_warn(LD_CRYPTO, "The ed25519-based curve25519 basepoint "
/* LCOV_EXCL_START
* only reachable if our basepoint implementation broken */
log_warn(LD_BUG|LD_CRYPTO, "The ed25519-based curve25519 basepoint "
"multiplication seems broken; using the curve25519 "
"implementation.");
curve25519_use_ed = 0;
/* LCOV_EXCL_STOP */
}
/** Initialize the curve25519 implementations. This is necessary if you're

5
src/test/test_ntor_cl.c
View File

@ -153,7 +153,10 @@ main(int argc, char **argv)
if (argc < 2) {
fprintf(stderr, "I need arguments. Read source for more info.\n");
return 1;
} else if (!strcmp(argv[1], "client1")) {
}
curve25519_init();
if (!strcmp(argv[1], "client1")) {
return client1(argc, argv);
} else if (!strcmp(argv[1], "server1")) {
return server1(argc, argv);