diff options
Diffstat (limited to 'src/libstrongswan/plugins/fips_prf/fips_prf.c')
| -rw-r--r-- | src/libstrongswan/plugins/fips_prf/fips_prf.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/libstrongswan/plugins/fips_prf/fips_prf.c b/src/libstrongswan/plugins/fips_prf/fips_prf.c index 23825078e..25accf996 100644 --- a/src/libstrongswan/plugins/fips_prf/fips_prf.c +++ b/src/libstrongswan/plugins/fips_prf/fips_prf.c @@ -116,6 +116,12 @@ METHOD(prf_t, get_bytes, bool, u_int8_t *xkey = this->key; u_int8_t one[this->b]; + if (!w) + { + /* append mode is not supported */ + return FALSE; + } + memset(one, 0, this->b); one[this->b - 1] = 0x01; @@ -250,4 +256,3 @@ fips_prf_t *fips_prf_create(pseudo_random_function_t algo) return &this->public; } - |