We can use Fernet from the cryptography module in Python to encrypt and decrypt data securely. The Fernet module uses a symmetric-key encryption algorithm to encrypt and decrypt data. So, if we use a secret key to encrypt plaintext, we would need to use the same...
bcrypt is a password hash function using which one can hash passwords. The bcrypt algorithm is based on Blowfish cipher and it incorporates a salt while hashing a password. Moreover, bcrypt is an adaptive function. It uses several iterations while hashing a password....
If we are using a block cipher, then we should select one block cipher mode of operation. These block cipher modes of operation provide better security. In a block cipher, the input plaintext is divided into several equal-sized blocks and the last block is padded....
There are a number of Python modules using which we can perform AES encryption and decryption. But, in this article, we would try to implement the AES algorithm in a very simple and easy-to-understand way. AES is a block cipher. The input plaintext is divided into...
If we want to encrypt plaintext using a block cipher like AES, we need to ensure that the input bytes are multiple of blocksize in size and they are padded. We can use pad and unpad methods from Crypto.Util.Padding for this purpose. But, if we want to implement PKCS#7...
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