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CLSAG device support

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This commit is contained in:
Sarang Noether
2020-03-27 15:29:32 -04:00
committed by moneromooo-monero
parent aff87b5f6a
commit 703944c4d4
5 changed files with 47 additions and 21 deletions
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23
src/device/device_default.cpp
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@@ -402,6 +402,29 @@ namespace hw {
return true;
}
bool device_default::clsag_prepare(const rct::key &p, const rct::key &z, rct::key &I, rct::key &D, const rct::key &H, rct::key &a, rct::key &aG, rct::key &aH) {
rct::skpkGen(a,aG); // aG = a*G
rct::scalarmultKey(aH,H,a); // aH = a*H
rct::scalarmultKey(I,H,p); // I = p*H
rct::scalarmultKey(D,H,z); // D = z*H
return true;
}
bool device_default::clsag_hash(const rct::keyV &data, rct::key &hash) {
hash = rct::hash_to_scalar(data);
return true;
}
bool device_default::clsag_sign(const rct::key &c, const rct::key &a, const rct::key &p, const rct::key &z, const rct::key &mu_P, const rct::key &mu_C, rct::key &s) {
rct::key s0_p_mu_P;
sc_mul(s0_p_mu_P.bytes,mu_P.bytes,p.bytes);
rct::key s0_add_z_mu_C;
sc_muladd(s0_add_z_mu_C.bytes,mu_C.bytes,z.bytes,s0_p_mu_P.bytes);
sc_mulsub(s.bytes,c.bytes,s0_add_z_mu_C.bytes,a.bytes);
return true;
}
bool device_default::close_tx() {
return true;
}