Cryptographic Birthday Attack on CBC

Program instructions

make clean

make

Using make clean first is mandatory, otherwise the constants may not be correctly initialized.

Programs:
to put a random 128 bit key in a file

./generate_key <key file>
to check non-determinism and correct encryption/decryption

./verif [--verbose] <key file> <text file>
to launch N birthday attacks on CBC (default N = 1)

./attack [--verbose] [-n N] <key file> <text file>

Please read the report for additional information, and analysis of tests.

Name		Name	Last commit message	Last commit date
Latest commit History 4 Commits
Makefile		Makefile
README.md		README.md
Report.pdf		Report.pdf
attack.c		attack.c
attack_32bits.log		attack_32bits.log
attack_48bits.log		attack_48bits.log
cbc.c		cbc.c
cbc.h		cbc.h
generate_key.c		generate_key.c
hashmap.c		hashmap.c
hashmap.h		hashmap.h
key.txt		key.txt
lorem_ipsum_1M.txt		lorem_ipsum_1M.txt
lorem_ipsum_256.txt		lorem_ipsum_256.txt
lorem_ipsum_64k.txt		lorem_ipsum_64k.txt
tczero.c		tczero.c
tczero.h		tczero.h
verif.c		verif.c