| -rw-r--r-- | lib/basic_rp.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/basic_rp.cc b/lib/basic_rp.cc index 763a391..2da8416 100644 --- a/lib/basic_rp.cc +++ b/lib/basic_rp.cc @@ -14,5 +14,6 @@ namespace opkele { const char *exp_assoc, const char *exp_sess, util::dh_t& dh, - size_t d_len, unsigned char *(*d_fun)(const unsigned char*,size_t,unsigned char*) ) try { + size_t d_len, unsigned char *(*d_fun)(const unsigned char*,size_t,unsigned char*), + size_t exp_s_len) try { if(om.get_field("assoc_type")!=exp_assoc || om.get_field("session_type")!=exp_sess) throw bad_input(OPKELE_CP_ "Unexpected associate response"); @@ -27,4 +28,6 @@ namespace opkele { unsigned char key_digest[d_len]; secret.enxor_from_base64((*d_fun)(ckptr,cklen,key_digest),om.get_field("enc_mac_key")); + if(secret.size()!=exp_s_len) + throw bad_input(OPKELE_CP_ "Secret length isn't consistent with association type"); }catch(opkele::failed_lookup& ofl) { throw bad_input(OPKELE_CP_ "Incoherent response from OP"); @@ -74,5 +77,5 @@ namespace opkele { dh_get_secret( secret, res, "HMAC-SHA256", "DH-SHA256", - dh, SHA256_DIGEST_LENGTH, SHA256 ); + dh, SHA256_DIGEST_LENGTH, SHA256, SHA256_DIGEST_LENGTH ); expires_in = util::string_to_long(res.get_field("expires_in")); }catch(exception& e) { @@ -83,5 +86,5 @@ namespace opkele { dh_get_secret( secret, res, "HMAC-SHA1", "DH-SHA1", - dh, SHA_DIGEST_LENGTH, SHA1 ); + dh, SHA_DIGEST_LENGTH, SHA1, SHA_DIGEST_LENGTH ); expires_in = util::string_to_long(res.get_field("expires_in")); }catch(bad_input& e) { |