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Initial repo structure

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Sam A. 2023-03-24 19:52:02 +01:00
parent b4d01f285f
commit 85edcf669c
Signed by: samsapti
GPG key ID: CBBBE7371E81C4EA
4 changed files with 152 additions and 0 deletions
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4
.gitmodules vendored Normal file
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[submodule "src/MP_SPDZ"]
path = src/MP_SPDZ
url = https://github.com/data61/MP-SPDZ
branch = master

7
Makefile Normal file
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all:
make -C src/MP_SPDZ -j$$(nproc) boost
make -C src/MP_SPDZ -j$$(nproc) libote mpir
make -C src/MP_SPDZ -j$$(nproc)
%:
make -C src/MP_SPDZ -j$$(nproc) $@

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src/MP_SPDZ Submodule

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Subproject commit 69bb53a588e1fe587344d2904ac5c2e2ad44e5e5

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src/gale_shapley.py Normal file
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from MP_SPDZ.Compiler import types
from MP_SPDZ.Compiler.util import *
from MP_SPDZ.Compiler.oram import OptimalORAM
from MP_SPDZ.Compiler.library import for_range, do_while, time, \
if_, print_ln, crash, print_str
from MP_SPDZ.Compiler.gs import OMatrix, OStack
class Matchmaker:
"""
Makes self.f_ranks and self.m_prefs as instances of OMatrix
We can call them p_cases (patient cases) and t_exps (therapist experience)
"""
def init_easy(self):
self.m_prefs = OMatrix(self.N, self.M, oram_type=self.oram_type, \
int_type=self.int_type)
@for_range(self.N)
def f(i):
time()
types.cint(i).print_reg('mpre')
@for_range(self.M)
def f(j):
self.m_prefs[i][j] = (i + j) % self.N
self.f_ranks = OMatrix(self.N, oram_type=self.oram_type, \
int_type=self.int_type)
@for_range(self.N)
def f(i):
time()
types.cint(i).print_reg('fran')
@for_range(self.M)
def f(j):
self.f_ranks[i][(j-i+self.N)%self.N] = j
def engage(self, man, woman, for_real):
self.wives.access(man, woman, for_real)
# self.husbands.ram[0].x[0].reveal().print_reg('a')
self.husbands.access(woman, man, for_real)
# self.husbands.ram[0].x[0].reveal().print_reg('b')
# (man * 10 + woman * 1 + for_real * 100).reveal().print_reg('eng')
# if for_real:
# print 'engage', man, woman
# self.wives[man] = woman
# self.husbands[woman] = man
def dump(self, man, woman, for_real):
self.wives.delete(man, for_real)
# self.husbands.ram[0].x[0].reveal().print_reg('c')
self.husbands.delete(woman, for_real)
# self.husbands.ram[0].x[0].reveal().print_reg('d')
self.unengaged.append(man, for_real)
# self.husbands.ram[0].x[0].reveal().print_reg('e')
# (man * 10 + woman + for_real * 100).reveal().print_reg('dump')
# if for_real:
# print 'dump', man, woman
# self.wives[man] = clown
# self.husbands[woman] = clown
def propose(self, man, woman, for_real):
(fiance,), free = self.husbands.read(woman)
# self.husbands.ram[0].x[0].reveal().print_reg('f')
engaged = 1 - free
rank_man = self.f_ranks[woman][man]
# self.husbands.ram[0].x[0].reveal().print_reg('g')
(rank_fiance,), worst_fiance = self.f_ranks[woman].read(engaged*fiance)
# self.husbands.ram[0].x[0].reveal().print_reg('h')
leaving = self.int_type(rank_man) < self.int_type(rank_fiance)
if self.M < self.N:
leaving = 1 - (1 - leaving) * (1 - worst_fiance)
print_str('woman: %s, man: %s, fiance: %s, worst fiance: %s, ', \
*(x.reveal() for x in (woman, man, fiance, worst_fiance)))
print_ln('rank man: %s, rank fiance: %s, engaged: %s, leaving: %s', \
*(x.reveal() for x in \
(rank_man, rank_fiance, engaged, leaving)))
self.dump(fiance, woman, engaged * leaving * for_real)
self.engage(man, woman, (1 - (engaged * (1 - leaving))) * for_real)
self.unengaged.append(man, engaged * (1 - leaving) * for_real)
# self.husbands.ram[0].x[0].reveal().print_reg('i')
def match(self, n_loops=None):
if n_loops is None or n_loops > self.N * self.M:
loop = do_while
init_rounds = self.N
else:
loop = for_range(n_loops)
init_rounds = n_loops / self.M
self.wives = \
self.oram_type(self.N, entry_size=log2(self.N), \
init_rounds=0, value_type=self.basic_type)
self.husbands = \
self.oram_type(self.N, entry_size=log2(self.N), \
init_rounds=0, value_type=self.basic_type)
propose = \
self.oram_type(self.N, entry_size=log2(self.N), \
init_rounds=0, value_type=self.basic_type)
self.unengaged = OStack(self.N, oram_type=self.oram_type, \
int_type=self.int_type)
@for_range(init_rounds)
def f(i):
self.unengaged.append(i)
rounds = types.MemValue(types.regint(0))
@loop
def f(i=None):
rounds.iadd(1)
time()
man = self.unengaged.pop()
# self.husbands.ram[0].x[0].reveal().print_reg('j')
pref = self.int_type(propose[man])
if self.M < self.N and n_loops is None:
@if_((pref == self.M).reveal())
def f():
print_ln('run out of acceptable women')
crash()
# self.husbands.ram[0].x[0].reveal().print_reg('k')
propose[man] = pref + 1
# self.husbands.ram[0].x[0].reveal().print_reg('l')
self.propose(man, self.m_prefs[man][pref], True)
print_ln('man: %s, pref: %s, left: %s', \
*(x.reveal() for x in (man, pref, self.unengaged.size)))
# self.wives[man].reveal().print_reg('wife')
return types.regint((self.unengaged.size > 0).reveal())
print_ln('%s rounds', rounds)
@for_range(init_rounds)
def f(i):
types.cint(i).print_reg('wife')
self.husbands[i].reveal().print_reg('husb')
def __init__(self, N, M=None, reverse=False, oram_type=OptimalORAM, \
int_type=types.sint):
self.N = N
self.M = N if M is None else M
self.oram_type = oram_type
self.reverse = reverse
self.int_type = int_type
self.basic_type = int_type.basic_type
print('match', self.oram_type)