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trying to crack (45, 0.035) #13

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2 changes: 1 addition & 1 deletion g6k/utils/lwe_estimation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -168,7 +168,7 @@ def decoupler(n, stddev, q, decouple):
"""
params = []

ms = range(6*n+1, 295)
ms = range(100, max(6*n+1, 295))

for m in ms:
beta_bound = min(m+1, 120+default_dim4free_fun(120))
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13 changes: 12 additions & 1 deletion lwe_challenge.py
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Expand Up @@ -231,7 +231,12 @@ def lwe_kernel(arg0, params=None, seed=None):
n_max = max(n_max, n_expected+2)
print( "Without otf, would expect solution at pump-%d. n_max=%d in the given time." % (n_expected, n_max) )# noqa
sys.stdout.flush()
if n_expected >= n_max - 1:

# a potentially temporary measure to hit (40, 0.035)
# must be >= 1
n_expected_slack = 5

if n_expected >= n_max - n_expected_slack:
continue
n_max += 1
# Larger SVP
Expand All @@ -254,7 +259,13 @@ def lwe_kernel(arg0, params=None, seed=None):
lift_slack = 3
llb = max(0, llb-lift_slack)

# on the other hand, n_expected_slack ~does~ increase the sieving
# dimension, we run more BKZ than necessary and then perform a
# larger than necessary sieve to ensure we don't miss the proj

n_expected += n_expected_slack
f = max(d-llb-n_expected, 0)

if verbose:
print( "Starting svp pump_{%d, %d, %d}, n_max = %d, Tmax= %.2f sec" % (llb, d-llb, f, n_max, svp_Tmax) ) # noqa
sys.stdout.flush()
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