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  1. AI-enhanced description. Gopal Sakarkar. Public key cryptography uses two keys, a public key that can encrypt messages and a private key that decrypts messages. It has six components: plain text, encryption algorithm, public and private keys, ciphertext, and decryption algorithm.

  2. Lecture 12: Public-Key Cryptography and the RSA Algorithm Lecture Notes on “Computer and Network Security” by Avi Kak (kak@purdue.edu) March 7, 2024 3:20pm © 2024 Avinash Kak, Purdue University Goals: To review public-key cryptography To demonstrate that confidentiality and sender-authentication can be achieved simultaneously with public ...

  3. Public-Key Cryptography. public-key/two-key/asymmetric cryptography involves the use of two keys: a public-key, which may be known by anybody, and can be used to encrypt messages , and verify signatures. a related private-key, known only to the recipient, used to decrypt messages , and sign (create) signatures.

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  4. Solution 2: Hybrid encryption. Assume: Symmetric encryption scheme (Gen_SE, Enc_SE, Dec_SE) Public-key encryption scheme (Gen_PKE, Enc_PKE, Dec_PKE) Use public-key encryption to establish a shared session key. Avoids quadratic problem, assuming existence of phonebook. Avoids problem of key distribution.

  5. Sep 26, 2010 · Public Key Cryptography | PPT. Sep 25, 2010 • Download as PPT, PDF •. 2 likes • 2,813 views. AI-enhanced description. anusachu . This document summarizes public-key cryptography. It discusses how public-key cryptography uses unique public and private keys to encrypt and decrypt messages securely.

  6. The science of keeping data secure Symmetric Ciphers Also known as private key Symmetric Cipher Example k = 4 Symmetric Cipher Example Much more elaborate transformations are available Asymmetric cipher Also known as public key Diffie-Hellman One of the first public key cryptographic systems Diffie-Hellman Based on a special case of the subset ...

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