## "Fossies" - the Fresh Open Source Software Archive ### Source code changes of the file "src/bundle/PBKDFv2.py" betweenrevelation-0.5.3.tar.xz and revelation-0.5.4.tar.xz

About: Revelation is a password manager for the GNOME 3 desktop.

PBKDFv2.py  (revelation-0.5.3.tar.xz):PBKDFv2.py  (revelation-0.5.4.tar.xz)
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# Let l be the number of hLen-octet blocks in the derived key, rounding up # Let l be the number of hLen-octet blocks in the derived key, rounding up
# and let r be the number of octets in the last block # and let r be the number of octets in the last block
l = math.ceil(dkLen / float(self.hLen)) l = math.ceil(dkLen / float(self.hLen))
#if (dkLen % float(self.hLen)): l = int(l) + 1 # round up if necessary #if (dkLen % float(self.hLen)): l = int(l) + 1 # round up if necessary
r = dkLen - (l - 1) * self.hLen r = dkLen - (l - 1) * self.hLen
# Step 3: # Step 3:
# For each block of the derived key, apply the function F to the # For each block of the derived key, apply the function F to the
# password P, the salt S, the iteration count c, and the block index # password P, the salt S, the iteration count c, and the block index
# to compute the block # to compute the block
T = "" T = b""
for blockindex in range(int(l)): for blockindex in range(int(l)):
T += self.F(P, S, c, blockindex, digesttype) T += self.F(P, S, c, blockindex, digesttype)
# Step 4 - extract the first dkLen octet to produce a derived key DK # Step 4 - extract the first dkLen octet to produce a derived key DK
DK = T[:dkLen] DK = T[:dkLen]
# Step 5 - return the derived key DK # Step 5 - return the derived key DK
return DK return DK
################ F ################ F
def F(self, P, S, c, i, digest): def F(self, P, S, c, i, digest):
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