diff options
Diffstat (limited to 'src/libsimaka/simaka_crypto.c')
| -rw-r--r-- | src/libsimaka/simaka_crypto.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/libsimaka/simaka_crypto.c b/src/libsimaka/simaka_crypto.c index 0a92cb342..532655e3b 100644 --- a/src/libsimaka/simaka_crypto.c +++ b/src/libsimaka/simaka_crypto.c @@ -133,7 +133,12 @@ METHOD(simaka_crypto_t, derive_keys_full, bool, str = chunk_alloca(this->prf->get_block_size(this->prf) * 3); for (i = 0; i < 3; i++) { - this->prf->get_bytes(this->prf, chunk_empty, str.ptr + str.len / 3 * i); + if (!this->prf->get_bytes(this->prf, chunk_empty, + str.ptr + str.len / 3 * i)) + { + chunk_clear(mk); + return FALSE; + } } k_encr = chunk_create(str.ptr, KENCR_LEN); @@ -166,7 +171,11 @@ METHOD(simaka_crypto_t, derive_keys_reauth, bool, str = chunk_alloca(this->prf->get_block_size(this->prf) * 2); for (i = 0; i < 2; i++) { - this->prf->get_bytes(this->prf, chunk_empty, str.ptr + str.len / 2 * i); + if (!this->prf->get_bytes(this->prf, chunk_empty, + str.ptr + str.len / 2 * i)) + { + return FALSE; + } } k_encr = chunk_create(str.ptr, KENCR_LEN); k_auth = chunk_create(str.ptr + KENCR_LEN, KAUTH_LEN); @@ -202,7 +211,11 @@ METHOD(simaka_crypto_t, derive_keys_reauth_msk, bool, str = chunk_alloca(this->prf->get_block_size(this->prf) * 2); for (i = 0; i < 2; i++) { - this->prf->get_bytes(this->prf, chunk_empty, str.ptr + str.len / 2 * i); + if (!this->prf->get_bytes(this->prf, chunk_empty, + str.ptr + str.len / 2 * i)) + { + return FALSE; + } } *msk = chunk_create(str.ptr, MSK_LEN); DBG3(DBG_LIB, "MSK %B", msk); |