What Is A Block Cipher
What Does Block Cipher Mean? A block cipher is a symmetric cryptographic algorithm that operates on a fixed-size block of data using a shared, secret key. Plaintext is used during the encryption, and the resulting encrypted text is called a ciphertext. The same key is used for both the encryption of the plaintext and the decryption of the ciphertext. Techopedia Explains Block Cipher Block cipher encrypts/decrypts its input one block at a time instead of one bit at a time using a shared, secret key....