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Explain Block Ciphers

written 6.1 years ago by swatisharma • 1.3k

cryptography and network security

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written 6.1 years ago by swatisharma • 1.3k

Block Cipher

• In a block cipher, a group of plaintext symbols of size m, (m>1) are encrypted together creating a group of ciphertext of the same size
• A single key is used to encrypt the whole block even if the key is made of multiple values.

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