def test_cbc(self):
vectors128 = [
("6bc1bee22e409f96e93d7e117393172a",
"7649abac8119b246cee98e9b12e9197d"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"5086cb9b507219ee95db113a917678b2"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"73bed6b8e3c1743b7116e69e22229516"),
("f69f2445df4f9b17ad2b417be66c3710",
"3ff1caa1681fac09120eca307586e1a7"),
]
vectors192 = [
("6bc1bee22e409f96e93d7e117393172a",
"4f021db243bc633d7178183a9fa071e8"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"b4d9ada9ad7dedf4e5e738763f69145a"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"571b242012fb7ae07fa9baac3df102e0"),
("f69f2445df4f9b17ad2b417be66c3710",
"08b0e27988598881d920a9e64f5615cd"),
]
vectors256 = [
("6bc1bee22e409f96e93d7e117393172a",
"f58c4c04d6e5f1ba779eabfb5f7bfbd6"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"9cfc4e967edb808d679f777bc6702c7d"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"39f23369a9d9bacfa530e26304231461"),
("f69f2445df4f9b17ad2b417be66c3710",
"b2eb05e2c39be9fcda6c19078c6a9d1b"),
]
for key, vec in [
(self.key128, vectors128),
(self.key192, vectors192),
(self.key256, vectors256),
]:
ctx1 = aes(aes.CBC, key, self.iv)
ctx2 = aes(aes.CBC, key, self.iv)
for plain, cipher in vec:
plain, cipher = unhexlify(plain), unhexlify(cipher)
e = ctx1.encrypt(plain)
self.assertEqual(e, cipher)
d = ctx2.decrypt(cipher)
self.assertEqual(d, plain)
def test_ctr(self):
vectors128 = [
("6bc1bee22e409f96e93d7e117393172a",
"874d6191b620e3261bef6864990db6ce"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"9806f66b7970fdff8617187bb9fffdff"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"5ae4df3edbd5d35e5b4f09020db03eab"),
("f69f2445df4f9b17ad2b417be66c3710",
"1e031dda2fbe03d1792170a0f3009cee"),
]
vectors192 = [
("6bc1bee22e409f96e93d7e117393172a",
"1abc932417521ca24f2b0459fe7e6e0b"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"090339ec0aa6faefd5ccc2c6f4ce8e94"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"1e36b26bd1ebc670d1bd1d665620abf7"),
("f69f2445df4f9b17ad2b417be66c3710",
"4f78a7f6d29809585a97daec58c6b050"),
]
vectors256 = [
("6bc1bee22e409f96e93d7e117393172a",
"601ec313775789a5b7a7f504bbf3d228"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"f443e3ca4d62b59aca84e990cacaf5c5"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"2b0930daa23de94ce87017ba2d84988d"),
("f69f2445df4f9b17ad2b417be66c3710",
"dfc9c58db67aada613c2dd08457941a6"),
]
for key, vec in [
(self.key128, vectors128),
(self.key192, vectors192),
(self.key256, vectors256),
]:
ctx1 = aes(aes.CTR, key, self.ctr)
ctx2 = aes(aes.CTR, key, self.ctr)
for plain, cipher in vec:
plain, cipher = unhexlify(plain), unhexlify(cipher)
e = ctx1.encrypt(plain)
self.assertEqual(e, cipher)
d = ctx2.decrypt(cipher)
self.assertEqual(d, plain)
def test_ecb(self):
vectors128 = [
("6bc1bee22e409f96e93d7e117393172a",
"3ad77bb40d7a3660a89ecaf32466ef97"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"f5d3d58503b9699de785895a96fdbaaf"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"43b1cd7f598ece23881b00e3ed030688"),
("f69f2445df4f9b17ad2b417be66c3710",
"7b0c785e27e8ad3f8223207104725dd4"),
]
vectors192 = [
("6bc1bee22e409f96e93d7e117393172a",
"bd334f1d6e45f25ff712a214571fa5cc"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"974104846d0ad3ad7734ecb3ecee4eef"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"ef7afd2270e2e60adce0ba2face6444e"),
("f69f2445df4f9b17ad2b417be66c3710",
"9a4b41ba738d6c72fb16691603c18e0e"),
]
vectors256 = [
("6bc1bee22e409f96e93d7e117393172a",
"f3eed1bdb5d2a03c064b5a7e3db181f8"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"591ccb10d410ed26dc5ba74a31362870"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"b6ed21b99ca6f4f9f153e7b1beafed1d"),
("f69f2445df4f9b17ad2b417be66c3710",
"23304b7a39f9f3ff067d8d8f9e24ecc7"),
]
for key, vec in [
(self.key128, vectors128),
(self.key192, vectors192),
(self.key256, vectors256),
]:
ctx1 = aes(aes.ECB, key)
ctx2 = aes(aes.ECB, key)
for plain, cipher in vec:
plain, cipher = unhexlify(plain), unhexlify(cipher)
e = ctx1.encrypt(plain)
self.assertEqual(e, cipher)
d = ctx2.decrypt(cipher)
self.assertEqual(d, plain)
def test_ofb(self):
vectors128 = [
("6bc1bee22e409f96e93d7e117393172a",
"3b3fd92eb72dad20333449f8e83cfb4a"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"7789508d16918f03f53c52dac54ed825"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"9740051e9c5fecf64344f7a82260edcc"),
("f69f2445df4f9b17ad2b417be66c3710",
"304c6528f659c77866a510d9c1d6ae5e"),
]
vectors192 = [
("6bc1bee22e409f96e93d7e117393172a",
"cdc80d6fddf18cab34c25909c99a4174"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"fcc28b8d4c63837c09e81700c1100401"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"8d9a9aeac0f6596f559c6d4daf59a5f2"),
("f69f2445df4f9b17ad2b417be66c3710",
"6d9f200857ca6c3e9cac524bd9acc92a"),
]
vectors256 = [
("6bc1bee22e409f96e93d7e117393172a",
"dc7e84bfda79164b7ecd8486985d3860"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"4febdc6740d20b3ac88f6ad82a4fb08d"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"71ab47a086e86eedf39d1c5bba97c408"),
("f69f2445df4f9b17ad2b417be66c3710",
"0126141d67f37be8538f5a8be740e484"),
]
for key, vec in [
(self.key128, vectors128),
(self.key192, vectors192),
(self.key256, vectors256),
]:
ctx1 = aes(aes.OFB, key, self.iv)
ctx2 = aes(aes.OFB, key, self.iv)
for plain, cipher in vec:
plain, cipher = unhexlify(plain), unhexlify(cipher)
e = ctx1.encrypt(plain)
self.assertEqual(e, cipher)
d = ctx2.decrypt(cipher)
self.assertEqual(d, plain)
def test_cfb(self):
vectors128 = [
("6bc1bee22e409f96e93d7e117393172a",
"3b3fd92eb72dad20333449f8e83cfb4a"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"c8a64537a0b3a93fcde3cdad9f1ce58b"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"26751f67a3cbb140b1808cf187a4f4df"),
("f69f2445df4f9b17ad2b417be66c3710",
"c04b05357c5d1c0eeac4c66f9ff7f2e6"),
]
vectors192 = [
("6bc1bee22e409f96e93d7e117393172a",
"cdc80d6fddf18cab34c25909c99a4174"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"67ce7f7f81173621961a2b70171d3d7a"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"2e1e8a1dd59b88b1c8e60fed1efac4c9"),
("f69f2445df4f9b17ad2b417be66c3710",
"c05f9f9ca9834fa042ae8fba584b09ff"),
]
vectors256 = [
("6bc1bee22e409f96e93d7e117393172a",
"dc7e84bfda79164b7ecd8486985d3860"),
("ae2d8a571e03ac9c9eb76fac45af8e51",
"39ffed143b28b1c832113c6331e5407b"),
("30c81c46a35ce411e5fbc1191a0a52ef",
"df10132415e54b92a13ed0a8267ae2f9"),
("f69f2445df4f9b17ad2b417be66c3710",
"75a385741ab9cef82031623d55b1e471"),
]
for key, vec in [
(self.key128, vectors128),
(self.key192, vectors192),
(self.key256, vectors256),
]:
ctx1 = aes(aes.CFB, key, self.iv)
ctx2 = aes(aes.CFB, key, self.iv)
for plain, cipher in vec:
plain, cipher = unhexlify(plain), unhexlify(cipher)
e = ctx1.encrypt(plain)
self.assertEqual(e, cipher)
d = ctx2.decrypt(cipher)
self.assertEqual(d, plain)
def compute_cipher_key_value(msg, seckey: bytes) -> bytes:
data = msg.key
data += "E1" if msg.ask_on_encrypt else "E0"
data += "D1" if msg.ask_on_decrypt else "D0"
data = hmac.new(seckey, data, sha512).digest()
key = data[:32]
if msg.iv and len(msg.iv) == 16:
iv = msg.iv
else:
iv = data[32:48]
ctx = aes(aes.CBC, key, iv)
if msg.encrypt:
return ctx.encrypt(msg.value)
else:
return ctx.decrypt(msg.value)
def compute_cipher_key_value(msg: CipherKeyValue, seckey: bytes) -> bytes:
data = msg.key.encode()
data += b"E1" if msg.ask_on_encrypt else b"E0"
data += b"D1" if msg.ask_on_decrypt else b"D0"
data = hmac(hmac.SHA512, seckey, data).digest()
key = data[:32]
if msg.iv and len(msg.iv) == 16:
iv = msg.iv
else:
iv = data[32:48]
ctx = aes(aes.CBC, key, iv)
if msg.encrypt:
return ctx.encrypt(msg.value)
else:
return ctx.decrypt(msg.value)
