diff options
| author | Tobias Brunner <tobias@strongswan.org> | 2012-06-25 16:04:40 +0200 |
|---|---|---|
| committer | Martin Willi <martin@revosec.ch> | 2012-07-16 14:53:37 +0200 |
| commit | 126eb2af591b56039ecf3d5d985c978eba62d88f (patch) | |
| tree | 29b6dc8ef61aa0540bc64492149eb76cba11f558 /src/libtls/tls_protection.c | |
| parent | e59f983160ad2461c660a9a4cf8e0a7584f41aae (diff) | |
| download | strongswan-126eb2af591b56039ecf3d5d985c978eba62d88f.tar.bz2 strongswan-126eb2af591b56039ecf3d5d985c978eba62d88f.tar.xz | |
Check rng return value when generating secrets and IVs in libtls
Diffstat (limited to 'src/libtls/tls_protection.c')
| -rw-r--r-- | src/libtls/tls_protection.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/libtls/tls_protection.c b/src/libtls/tls_protection.c index 7120ca83e..a92e902e5 100644 --- a/src/libtls/tls_protection.c +++ b/src/libtls/tls_protection.c @@ -243,14 +243,14 @@ METHOD(tls_protection_t, build, status_t, } else { /* TLSv1.1 uses random IVs, prepended to record */ - if (!this->rng) + iv.len = this->crypter_out->get_iv_size(this->crypter_out); + if (!this->rng || + !this->rng->allocate_bytes(this->rng, iv.len, &iv)) { - DBG1(DBG_TLS, "no RNG supported to generate TLS IV"); + DBG1(DBG_TLS, "failed to generate TLS IV"); free(data->ptr); return FAILED; } - iv.len = this->crypter_out->get_iv_size(this->crypter_out); - this->rng->allocate_bytes(this->rng, iv.len, &iv); } *data = chunk_cat("mmcc", *data, mac, padding, |