relikd/LiberPrayground
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

pattern db

Browse Source
This commit is contained in:
relikd
2021-02-20 12:59:29 +01:00
parent a3255997ac
commit db9e5d0dda
38 changed files with 7319 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
LP/InterruptDB.py
View File

@@ -170,20 +170,37 @@ def create_mod_b_db(dbprefix, fn_score):
print(f'mod b {mod}.{mo}, kl: {kl}, score: {score:.4f}')
def create_pattern_shift_db(offset=0):
def create_pattern_shift_db(dbprefix, fn_score, offset=0):
# we misuse the db's keylen column as pattern shift multiply
for kpl in range(4, 19): # key pattern length, equiv. to x^2 vigenere
def fn_score(x, kpl_shift):
parts = GuessPattern.groups(x, kpl, kpl_shift, offset)
return sum(Probability(x).IC() for x in parts) / kpl
# return 1 - (sum(Probability(x).IC_norm() for x in parts) / kl)
def fn_pattern_scr(x, kpl_shift):
gen = GuessPattern.shift_pattern(kpl, kpl_shift)
parts = GuessPattern.groups(x, kpl, gen, offset)
return fn_score(parts, kpl)
dbname = f'db_high_pattern_shift_{kpl}.{offset}'
for db, fname, score, kl, skips in enum_db_irps(dbname, fn_score,
irpset=[0],
dbname = f'db_{dbprefix}_pattern_shift_{kpl}.{offset}'
for db, fname, score, kl, skips in enum_db_irps(dbname, fn_pattern_scr,
irpset=[0, 28],
klset=range(1, kpl)):
db.write(dbname, fname, score, kl, skips)
print(f'shift_pattern {kpl}.{offset}, shift: {kl}, score: {score:.4f}')
print(f'shift_pattern {kpl}.{offset}'
f', shift: {kl}, score: {score:.4f}')
def create_pattern_mirror_db(dbprefix, fn_score, offset=0):
for typ, generator in [('a', GuessPattern.mirror_pattern_a),
('b', GuessPattern.mirror_pattern_b)]:
def fn_mirror_scr(x, kl):
parts = GuessPattern.groups(x, kl, generator(kl), offset)
return fn_score(parts, kl)
dbname = f'db_{dbprefix}_pattern_mirror_{typ}.{offset}'
for db, fname, score, kl, skips in enum_db_irps(dbname, fn_mirror_scr,
irpset=[0, 28],
klset=range(4, 19)):
db.write(dbname, fname, score, kl, skips)
print(f'mirror_pattern {typ}.{offset}'
f', kl: {kl}, score: {score:.4f}')
if __name__ == '__main__':
@@ -193,7 +210,10 @@ if __name__ == '__main__':
# create_mod_a_db('norm', Probability.target_diff)
# create_mod_b_db('high', Probability.IC_w_keylen)
# create_mod_b_db('norm', Probability.target_diff)
create_pattern_shift_db(offset=0)
# create_pattern_shift_db('high', Probability.parts_high, offset=0)
# create_pattern_shift_db('norm', Probability.parts_norm, offset=0)
create_pattern_mirror_db('high', Probability.parts_high, offset=0)
create_pattern_mirror_db('norm', Probability.parts_norm, offset=0)
# create_secondary('db_high', 'db_high_secondary',
# Probability.IC_w_keylen, threshold=1.4)
# create_secondary('db_norm', 'db_norm_secondary',