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changed encryption scheme to PSS #3

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changed encryption scheme to PSS #3

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8 changes: 4 additions & 4 deletions db_packer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
import lzma
from Crypto.Hash import SHA384
from Crypto.PublicKey import RSA
from Crypto.Signature import pkcs1_15
from Crypto.Signature import pss

# args
folder = ""
Expand Down Expand Up @@ -165,7 +165,7 @@ def should_skip_file(filename):
comp_sum = SHA384.new(compressed).hexdigest()
if ".dll" in dbpath or ".so" in dbpath or ".cfg" in dbpath:
print("Signing...")
signature = pkcs1_15.new(key).sign(sign_sum)
signature = pss.new(key).sign(sign_sum)
else:
signature = None
c.execute('INSERT INTO files VALUES (?,?,?,?,?)', (dbpath, 0, new_sum, comp_sum,signature))
Expand All @@ -185,7 +185,7 @@ def should_skip_file(filename):
comp_sum = SHA384.new(compressed).hexdigest()
if ".dll" in dbpath or ".so" in dbpath or ".cfg" in dbpath:
print("Updating signature...")
signature = pkcs1_15.new(key).sign(sign_sum)
signature = pss.new(key).sign(sign_sum)
else:
signature = None
c.execute('UPDATE files SET revision=revision+1 WHERE path=?', (dbpath,))
Expand All @@ -207,7 +207,7 @@ def should_skip_file(filename):
conn.close()
db = open(targetFolder+"/ofmanifest.db",'rb')
dbr = db.read()
dbsum = pkcs1_15.new(key).sign(SHA384.new(dbr))
dbsum = pss.new(key).sign(SHA384.new(dbr))
db.close()
ds = open(targetFolder+"/ofmanifest.sig",'wb')
ds.write(dbsum)
Expand Down