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Update electronic-code-book-ecb.md

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cryptography/electronic-code-book-ecb.md
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(ECB) Electronic Code Book - symmetric encryption scheme which **replaces each block of the clear text** by the **block of ciphertext**. It is the **simplest** encryption scheme. The main idea is to **split** the clear text into **blocks of N bits** (depends on the size of the block of input data, encryption algorithm) and then to encrypt (decrypt) each block of clear text using the only key. (ECB) Electronic Code Book - symmetric encryption scheme which **replaces each block of the clear text** by the **block of ciphertext**. It is the **simplest** encryption scheme. The main idea is to **split** the clear text into **blocks of N bits** (depends on the size of the block of input data, encryption algorithm) and then to encrypt (decrypt) each block of clear text using the only key.
![](https://assets.pentesterlab.com/ecb/ECB_encryption.png) ![](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e6/ECB_decryption.svg/601px-ECB_decryption.svg.png)
Using ECB has multiple security implications: Using ECB has multiple security implications: