summaryrefslogtreecommitdiff
path: root/src/common/crypto.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/common/crypto.c')
-rw-r--r--src/common/crypto.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/common/crypto.c b/src/common/crypto.c
index 4c880f6b6f..4d17a8f216 100644
--- a/src/common/crypto.c
+++ b/src/common/crypto.c
@@ -400,7 +400,8 @@ crypto_new_pk_env(void)
void
crypto_free_pk_env(crypto_pk_env_t *env)
{
- tor_assert(env);
+ if (!env)
+ return;
if (--env->refs > 0)
return;
@@ -463,7 +464,8 @@ crypto_new_cipher_env(void)
void
crypto_free_cipher_env(crypto_cipher_env_t *env)
{
- tor_assert(env);
+ if (!env)
+ return;
tor_assert(env->cipher);
aes_free_cipher(env->cipher);
@@ -1528,6 +1530,8 @@ crypto_new_digest256_env(digest_algorithm_t algorithm)
void
crypto_free_digest_env(crypto_digest_env_t *digest)
{
+ if (!digest)
+ return;
memset(digest, 0, sizeof(crypto_digest_env_t));
tor_free(digest);
}
@@ -1899,7 +1903,8 @@ crypto_expand_key_material(const char *key_in, size_t key_in_len,
void
crypto_dh_free(crypto_dh_env_t *dh)
{
- tor_assert(dh);
+ if (!dh)
+ return;
tor_assert(dh->dh);
DH_free(dh->dh);
tor_free(dh);