diff options
| -rw-r--r-- | gp-scripts/firstPrice (renamed from firstPrice.gp) | 15 | ||||
| -rw-r--r-- | gp-scripts/smc.gp (renamed from smc.gp) | 0 |
2 files changed, 4 insertions, 11 deletions
diff --git a/firstPrice.gp b/gp-scripts/firstPrice index 6935ab6..d936e36 100644 --- a/firstPrice.gp +++ b/gp-scripts/firstPrice @@ -31,11 +31,6 @@ pe=ffgen(minpoly(ffprimroot(ffgen(ffinit(q,1))),var),var) \\ get primitive ele 1/(fforder(pe) == q-1) \\ error out, if ord(pe) is wrong g = Mod(eval(Str(pe)), q) \\ dirty hack to convert t_FFELEM to t_INT -\\ setup static matrices -U = matrix(k,k,i,j,Mod(i<=j,q)) -L = matrix(k,k,i,j,Mod(i>=j,q)) -Id = matrix(k,k,i,j,Mod(i==j,q)) - \\\\\\\\\\\\ \\ PROLOG \\\\\\\\\\\\ @@ -47,13 +42,11 @@ yshares = vector(n,i,g^x[i]) \\ shared public key y = prod(X=1,n,yshares[X]) -\\ what is m? -\\ first index level = agent id (additive share) +\\ first index level = owning agent id (additive share) \\ second index level = agent id, price id m = vector(n,i,matrix(n,k,a,b,random(q))) -\\ what is r? -\\ index = agent id, price id +\\ index = owning agent id, price id r = matrix(n,k,i,j,random(q)) \\ bid matrix b = matrix(n,k,i,j,g^(bid[i]==j)) @@ -71,7 +64,7 @@ beta = matrix(n,k,i,j, g^r[i,j]) \\\\\\\\\\\\ \\ multiplicative shares -\\ first index level = agent id (multiplicative share) +\\ first index level = owning agent id (multiplicative share) \\ second index level = agent id, price id Gamma = vector(n,a,matrix(n,k,i,j, ( prod(h=1,n,prod(d=j+1,k,alpha[h,d])) * prod(d=1,j-1,alpha[i,d]) * prod(h=1,i-1,alpha[h,j]) )^m[a][i,j] )) Delta = vector(n,a,matrix(n,k,i,j, ( prod(h=1,n,prod(d=j+1,k, beta[h,d])) * prod(d=1,j-1, beta[i,d]) * prod(h=1,i-1, beta[h,j]) )^m[a][i,j] )) @@ -81,7 +74,7 @@ Delta = vector(n,a,matrix(n,k,i,j, ( prod(h=1,n,prod(d=j+1,k, beta[h,d])) * prod \\\\\\\\\\\\ \\ multiplicative shares (decryption) -\\ first index level = agent id (multiplicative share) +\\ first index level = owning agent id (multiplicative share) \\ second index level = agent id, price id Phi = vector(n,a,matrix(n,k,i,j, prod(h=1,n,Delta[h][i,j])^x[a] )) diff --git a/smc.gp b/gp-scripts/smc.gp index 2b7e188..2b7e188 100644 --- a/smc.gp +++ b/gp-scripts/smc.gp |