| -rw-r--r-- | backend/node/src/clipperz.js | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/backend/node/src/clipperz.js b/backend/node/src/clipperz.js index 72b6c9f..842de31 100644 --- a/backend/node/src/clipperz.js +++ b/backend/node/src/clipperz.js @@ -170,12 +170,14 @@ var CLIPPERZ = module.exports = function(CONFIG) { if(!r.yes) return cb(new Error('OTP is in a sorry state')); cb(null,{ref:r.otp_ref}); }); }] },function(e,r) { if(e) return cb(e); + var A = BIGNUM(ppp.A,16); + if(A.eq(0)) return cb(new Error('Ground Zero')); req.session.C = ppp.C; req.session.A = ppp.A; req.session.s = r.u.u_srp_s; req.session.v = r.u.u_srp_v; req.session.u = r.u.u_id; req.session.b = clipperz_random(); req.session.B = srp_k.mul(BIGNUM(req.session.v,16)).add(srp_g.powm(BIGNUM(req.session.b,16),srp_n)).toString(16); var rv = {s:req.session.s,B:req.session.B} |