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Merge pull request #3348

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c95dddd2 remove unused function keyImageV (h908714124)
This commit is contained in:
Riccardo Spagni 2018-03-05 19:13:52 +02:00
commit 98acbe83fc
No known key found for this signature in database
GPG key ID: 55432DF31CCD4FCD
2 changed files with 0 additions and 20 deletions
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18
src/ringct/rctSigs.cpp
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@ -130,29 +130,12 @@ namespace rct {
return equalKeys(eeComputed, bb.ee); return equalKeys(eeComputed, bb.ee);
} }
//Multilayered Spontaneous Anonymous Group Signatures (MLSAG signatures)
//These are aka MG signatutes in earlier drafts of the ring ct paper
// c.f. http://eprint.iacr.org/2015/1098 section 2.
// keyImageV just does I[i] = xx[i] * Hash(xx[i] * G) for each i
// Gen creates a signature which proves that for some column in the keymatrix "pk"
// the signer knows a secret key for each row in that column
// Ver verifies that the MG sig was created correctly
keyV keyImageV(const keyV &xx) {
keyV II(xx.size());
size_t i = 0;
for (i = 0; i < xx.size(); i++) {
II[i] = scalarmultKey(hashToPoint(scalarmultBase(xx[i])), xx[i]);
}
return II;
}
//Multilayered Spontaneous Anonymous Group Signatures (MLSAG signatures) //Multilayered Spontaneous Anonymous Group Signatures (MLSAG signatures)
//This is a just slghtly more efficient version than the ones described below //This is a just slghtly more efficient version than the ones described below
//(will be explained in more detail in Ring Multisig paper //(will be explained in more detail in Ring Multisig paper
//These are aka MG signatutes in earlier drafts of the ring ct paper //These are aka MG signatutes in earlier drafts of the ring ct paper
// c.f. http://eprint.iacr.org/2015/1098 section 2. // c.f. http://eprint.iacr.org/2015/1098 section 2.
// keyImageV just does I[i] = xx[i] * Hash(xx[i] * G) for each i
// Gen creates a signature which proves that for some column in the keymatrix "pk" // Gen creates a signature which proves that for some column in the keymatrix "pk"
// the signer knows a secret key for each row in that column // the signer knows a secret key for each row in that column
// Ver verifies that the MG sig was created correctly // Ver verifies that the MG sig was created correctly
@ -250,7 +233,6 @@ namespace rct {
//(will be explained in more detail in Ring Multisig paper //(will be explained in more detail in Ring Multisig paper
//These are aka MG signatutes in earlier drafts of the ring ct paper //These are aka MG signatutes in earlier drafts of the ring ct paper
// c.f. http://eprint.iacr.org/2015/1098 section 2. // c.f. http://eprint.iacr.org/2015/1098 section 2.
// keyImageV just does I[i] = xx[i] * Hash(xx[i] * G) for each i
// Gen creates a signature which proves that for some column in the keymatrix "pk" // Gen creates a signature which proves that for some column in the keymatrix "pk"
// the signer knows a secret key for each row in that column // the signer knows a secret key for each row in that column
// Ver verifies that the MG sig was created correctly // Ver verifies that the MG sig was created correctly

2
src/ringct/rctSigs.h
View file

@ -70,11 +70,9 @@ namespace rct {
//Multilayered Spontaneous Anonymous Group Signatures (MLSAG signatures) //Multilayered Spontaneous Anonymous Group Signatures (MLSAG signatures)
//These are aka MG signatutes in earlier drafts of the ring ct paper //These are aka MG signatutes in earlier drafts of the ring ct paper
// c.f. http://eprint.iacr.org/2015/1098 section 2. // c.f. http://eprint.iacr.org/2015/1098 section 2.
// keyImageV just does I[i] = xx[i] * HashToPoint(xx[i] * G) for each i
// Gen creates a signature which proves that for some column in the keymatrix "pk" // Gen creates a signature which proves that for some column in the keymatrix "pk"
// the signer knows a secret key for each row in that column // the signer knows a secret key for each row in that column
// Ver verifies that the MG sig was created correctly // Ver verifies that the MG sig was created correctly
keyV keyImageV(const keyV &xx);
mgSig MLSAG_Gen(const key &message, const keyM & pk, const keyV & xx, const multisig_kLRki *kLRki, key *mscout, const unsigned int index, size_t dsRows, hw::device &hwdev); mgSig MLSAG_Gen(const key &message, const keyM & pk, const keyV & xx, const multisig_kLRki *kLRki, key *mscout, const unsigned int index, size_t dsRows, hw::device &hwdev);
bool MLSAG_Ver(const key &message, const keyM &pk, const mgSig &sig, size_t dsRows); bool MLSAG_Ver(const key &message, const keyM &pk, const mgSig &sig, size_t dsRows);
//mgSig MLSAG_Gen_Old(const keyM & pk, const keyV & xx, const int index); //mgSig MLSAG_Gen_Old(const keyM & pk, const keyV & xx, const int index);