diff options
Diffstat (limited to 'src/common/crypto_ed25519.c')
| -rw-r--r-- | src/common/crypto_ed25519.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/src/common/crypto_ed25519.c b/src/common/crypto_ed25519.c index 1749efc34c..9df665f66a 100644 --- a/src/common/crypto_ed25519.c +++ b/src/common/crypto_ed25519.c @@ -96,6 +96,28 @@ get_ed_impl(void) return ed25519_impl; } +#ifdef TOR_UNIT_TESTS +static const ed25519_impl_t *saved_ed25519_impl = NULL; +void +crypto_ed25519_testing_force_impl(const char *name) +{ + tor_assert(saved_ed25519_impl == NULL); + saved_ed25519_impl = ed25519_impl; + if (! strcmp(name, "donna")) { + ed25519_impl = &impl_donna; + } else { + tor_assert(!strcmp(name, "ref10")); + ed25519_impl = &impl_ref10; + } +} +void +crypto_ed25519_testing_restore_impl(void) +{ + ed25519_impl = saved_ed25519_impl; + saved_ed25519_impl = NULL; +} +#endif + /** * Initialize a new ed25519 secret key in <b>seckey_out</b>. If * <b>extra_strong</b>, take the RNG inputs directly from the operating @@ -107,7 +129,9 @@ ed25519_secret_key_generate(ed25519_secret_key_t *seckey_out, { int r; uint8_t seed[32]; - if (! extra_strong || crypto_strongest_rand(seed, sizeof(seed)) < 0) + if (extra_strong) + crypto_strongest_rand(seed, sizeof(seed)); + else crypto_rand((char*)seed, sizeof(seed)); r = get_ed_impl()->seckey_expand(seckey_out->seckey, seed); |