I'm asking you because I'm curious about how to use it in practice.
try:
cursor.execute("""create table test(
id serial primary key,
plainData varchar(10),
cihperData varchar(255),
nonce varchar(255)
)""")
conn.commit()
except:
conn.rollback()
key = b'0000000000000000'
for i in range(10):
randomValue = str(random.randint(1, 10000))
plain_data = randomValue.encode("utf-8")
cipher = AES.new(key, AES.MODE_EAX)
nonce = cipher.nonce
cipherdata = cipher.encrypt(plain_data)
# # print(cipherdata)
cursor.execute("insert into test(plainData, cihperData, nonce) values(%s, %s, %s)", (randomValue, cipherdata, nonce))
conn.commit()
cursor.execute("select * from test")
serchDB = cursor.fetchone()
strTobyteCipherData = bytes(str(serchDB[2]).replace('\\',''), "utf-8")
strTobyteNonce = bytes(str(serchDB[3]).replace('\\', ''), "utf-8")
# # print(serchDB, strTobyteCipherData, strTobyteNonce)
cipher = AES.new(key, AES.MODE_EAX, strTobyteNonce)
# # print(cipher)
verify = cipher.verify(cipher) #Error Occurred
de_cihperdata = cipher.decrypt(serchDB[2]).decode("utf-8")
# # # print(de_cihperdata)
Just one thing.
In Python, b'\xe8\xc1\xf2\xd9' is 4-byte data.
>>> bbb = b'\xe8\xc1\xf2\xd9'
>>> bbb
b'\xe8\xc1\xf2\xd9'
>>> print(bbb)
b'\xe8\xc1\xf2\xd9'
>>> for b in bbb: print(b)
232
193
242
217
>>> for b in bbb: print(hex(b))
0xe8
0xc1
0xf2
0xd9
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