def encryptFile(checksum,
cacheDir,
cipher,
iv,
pad,
hmac,
nameHmac,
output=None):
f = cacheDir.open(checksum, 'rb')
if output == None:
output = checksum + '.enc'
o = cacheDir.open(output, 'wb')
o.write(iv)
nb = len(iv)
hmac.update(iv)
for chunk, eof in Util._chunks(f, 64 * 1024):
if eof:
chunk = pad(chunk)
ochunk = cipher.encrypt(chunk)
o.write(ochunk)
nb = nb + len(ochunk)
hmac.update(ochunk)
ochunk = hmac.digest()
o.write(ochunk)
nb = nb + len(ochunk)
o.close()
f.close()
return nb
def encryptFile(checksum, cacheDir, cipher, iv, pad, hmac, nameHmac, output = None):
f = cacheDir.open(checksum, 'rb')
if output == None:
output = checksum + '.enc'
o = cacheDir.open(output, 'wb')
o.write(iv)
nb = len(iv)
hmac.update(iv)
for chunk, eof in Util._chunks(f, 64 * 1024):
if eof:
chunk = pad(chunk)
ochunk = cipher.encrypt(chunk)
o.write(ochunk)
nb = nb + len(ochunk)
hmac.update(ochunk)
ochunk = hmac.digest()
o.write(ochunk)
nb = nb + len(ochunk)
o.close()
f.close()
return nb
def encryptFile(checksum, cacheDir, cipher, iv, output=None):
f = cacheDir.open(checksum, 'rb')
if output == None:
output = checksum + '.enc'
o = cacheDir.open(output, 'wb')
o.write(iv)
nb = len(iv)
cipher.update(iv)
# Encrypt the chunks
for chunk, eof in Util._chunks(f, 64 * 1024):
ochunk = cipher.encrypt(chunk)
o.write(ochunk)
nb = nb + len(ochunk)
# add the digest chunk
ochunk = cipher.digest()
o.write(ochunk)
nb = nb + len(ochunk)
o.close()
f.close()
return nb
