37   EpidStatus sts = kEpidErr;  in EpidPrivateExp()  local
72       sts = EpidMemberInitialProvision(ctx);  in EpidPrivateExp()
73       BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
77     sts = NewEcPoint(G1, &k_pt);  in EpidPrivateExp()
78     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
79     sts = NewEcPoint(G1, &l_pt);  in EpidPrivateExp()
80     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
81     sts = NewEcPoint(G1, &e_pt);  in EpidPrivateExp()
82     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
83     sts = NewEcPoint(G1, &t1);  in EpidPrivateExp()
84     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
85     sts = NewEcPoint(G1, &h);  in EpidPrivateExp()
86     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
88     sts =  in EpidPrivateExp()
90     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
93     sts = NewFfElement(Fp, &k);  in EpidPrivateExp()
94     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
95     sts = NewFfElement(Fp, &s);  in EpidPrivateExp()
96     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
98     sts = Tpm2Sign(ctx->tpm2_ctx, digest, digest_len, counter, k, s);  in EpidPrivateExp()
99     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
102     sts = FfInv(Fp, k, k);  in EpidPrivateExp()
103     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
106     sts = WriteFfElement(Fp, s, &tmp_ff_str, sizeof(tmp_ff_str));  in EpidPrivateExp()
107     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
108     sts = EcSscmExp(G1, a, &tmp_ff_str, t1);  in EpidPrivateExp()
109     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
112     sts = EcInverse(G1, e_pt, e_pt);  in EpidPrivateExp()
113     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
116     sts = EcMul(G1, t1, e_pt, h);  in EpidPrivateExp()
117     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
120     sts = WriteFfElement(Fp, k, &tmp_ff_str, sizeof(tmp_ff_str));  in EpidPrivateExp()
121     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
122     sts = EcSscmExp(G1, h, &tmp_ff_str, r);  in EpidPrivateExp()
123     BREAK_ON_EPID_ERROR(sts);  in EpidPrivateExp()
126   if (sts != kEpidNoErr) {  in EpidPrivateExp()
140   return sts;  in EpidPrivateExp()