Labels:text | screenshot | diagram OCR: PUBLIC KEY (OR ASYMMETRIC) CRYPTOGRAPHY Each user has a public and private key pair Encryption Public key Plaintext Encrypted message (also called ciphertext) Decryption Private key Ciphertext Plaintext Figure 2. The use of two mathematically related keys, public key, or asymmetrical cryptosystems, makes messages very hard to crack. The public key can be posted at a central location, while the corresponding private key is kept by the individual at all times.
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