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| author | Sarang Noether <32460187+SarangNoether@users.noreply.github.com> | 2020-03-27 15:29:32 -0400 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2020-08-27 12:44:04 +0000 |
| commit | 703944c4d4faf6ad86a69ec3808a87b20ce76a32 (patch) | |
| tree | 3e76cbbbe8b3e0ceffb142babc25385c233d488c /src/device | |
| parent | Added balance check to MLSAG/CLSAG performance tests (diff) | |
| download | monero-703944c4d4faf6ad86a69ec3808a87b20ce76a32.tar.xz | |
CLSAG device support
Diffstat (limited to 'src/device')
| -rw-r--r-- | src/device/device.hpp | 4 | ||||
| -rw-r--r-- | src/device/device_default.cpp | 23 | ||||
| -rw-r--r-- | src/device/device_default.hpp | 4 |
3 files changed, 31 insertions, 0 deletions
diff --git a/src/device/device.hpp b/src/device/device.hpp index ef973c9f4..582eb2242 100644 --- a/src/device/device.hpp +++ b/src/device/device.hpp @@ -231,6 +231,10 @@ namespace hw { virtual bool mlsag_hash(const rct::keyV &long_message, rct::key &c) = 0; virtual bool mlsag_sign(const rct::key &c, const rct::keyV &xx, const rct::keyV &alpha, const size_t rows, const size_t dsRows, rct::keyV &ss) = 0; + virtual bool 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) = 0; + virtual bool clsag_hash(const rct::keyV &data, rct::key &hash) = 0; + virtual bool 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) = 0; + virtual bool close_tx(void) = 0; virtual bool has_ki_cold_sync(void) const { return false; } diff --git a/src/device/device_default.cpp b/src/device/device_default.cpp index 096cb35ba..145197212 100644 --- a/src/device/device_default.cpp +++ b/src/device/device_default.cpp @@ -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; } diff --git a/src/device/device_default.hpp b/src/device/device_default.hpp index bdd99f89c..2493bd67d 100644 --- a/src/device/device_default.hpp +++ b/src/device/device_default.hpp @@ -134,6 +134,10 @@ namespace hw { bool mlsag_hash(const rct::keyV &long_message, rct::key &c) override; bool mlsag_sign(const rct::key &c, const rct::keyV &xx, const rct::keyV &alpha, const size_t rows, const size_t dsRows, rct::keyV &ss) override; + bool 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) override; + bool clsag_hash(const rct::keyV &data, rct::key &hash) override; + bool 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) override; + bool close_tx(void) override; }; |