def _nonce_and_mutated_key(self, key):
# This generates a nonce which may be used as a salt, IV, or
# counter-prefix depending the algorithm and mode in use. We
# also use it to derive a mutated key for each message, thus
# reducing the risks of the (key, iv) pairs ever repeating even
# if a mistake is made somewhere else.
nonce = '%32.32x' % getrandbits(32 * 4)
return nonce, genkey(key, nonce)[:32].strip()
def _nonce_and_mutated_key(self, key):
# This generates a nonce which may be used as a salt, IV, or
# counter-prefix depending the algorithm and mode in use. We
# also use it to derive a mutated key for each message, thus
# reducing the risks of the (key, iv) pairs ever repeating even
# if a mistake is made somewhere else.
nonce = '%32.32x' % getrandbits(32 * 4)
return nonce, genkey(key, nonce)[:32].strip()
"""
LEGACY_TEST_2 = """\
-----BEGIN MAILPILE ENCRYPTED DATA-----
cipher: aes-256-cbc
nonce: SB+fmmM72oFpf/FO4wnaHhFBvhgzpbwW
md5sum: 90dfb2850da49c8a6027415521dadb3c
U2FsdGVkX19U8G7SKp8QygUusdHZThlrLcI04+jZ9U5kwfsw7bJJ2721dwgIpCUh
3wpQjsYtFF2dcKBjrG7xyw==
-----END MAILPILE ENCRYPTED DATA-----
"""
# Do this before checking for fd leaks, as it may open up /dev/urandom
# and keep it open.
b = getrandbits(128)
# Create a pipe, this tells us which FDs are available next
fdpair1 = os.pipe()
for fd in fdpair1:
os.close(fd)
def fdcheck(where):
fdpair2 = os.pipe()
try:
for fd in fdpair2:
if fd not in fdpair1:
print 'Probably have an FD leak at %s!' % where
print 'Verify with: lsof -g %s' % os.getpid()
import time
time.sleep(900)
return False
"""
LEGACY_TEST_2 = """\
-----BEGIN MAILPILE ENCRYPTED DATA-----
cipher: aes-256-cbc
nonce: SB+fmmM72oFpf/FO4wnaHhFBvhgzpbwW
md5sum: 90dfb2850da49c8a6027415521dadb3c
U2FsdGVkX19U8G7SKp8QygUusdHZThlrLcI04+jZ9U5kwfsw7bJJ2721dwgIpCUh
3wpQjsYtFF2dcKBjrG7xyw==
-----END MAILPILE ENCRYPTED DATA-----
"""
# Do this before checking for fd leaks, as it may open up /dev/urandom
# and keep it open.
b = getrandbits(128)
# Create a pipe, this tells us which FDs are available next
fdpair1 = os.pipe()
for fd in fdpair1:
os.close(fd)
def fdcheck(where):
fdpair2 = os.pipe()
try:
for fd in fdpair2:
if fd not in fdpair1:
print 'Probably have an FD leak at %s!' % where
print 'Verify with: lsof -g %s' % os.getpid()
import time
time.sleep(900)