{ "item_title" : "Symmetric Key Algorithms", "item_author" : [" A. Sasi Kumar", "Remya Chandran "], "item_description" : "Symmetric-key algorithms a] are algorithms for cryptography that use the same cryptographic keys for both encryption of plaintext and decryption of ciphertext. The keys may be identical or there may be a simple transformation to go between the two keys.The keys, in practice, represent a shared secret between two or more parties that can be used to maintain a private information link. This requirement that both parties have access to the secret key is one of the main drawbacks of symmetric key encryption, in comparison to public-key encryption (also known as asymmetric key encryption).", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/1/08/597/005/1085970051_b.jpg", "price_data" : { "retail_price" : "6.00", "online_price" : "6.00", "our_price" : "6.00", "club_price" : "6.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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