File:Public key shared secret.svg
Original file (SVG file, nominally 581 × 650 pixels, file size: 28 KB)
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Summary
| Description |
Public-key cryptography / asymmetric cryptography, shared secret agreement. Alice combines her own private key with Bob's public key to create a shared secret. Likewise Bob combines his own private key with Alice's public key and gets the same shared secret. This secret is now only known by Alice and Bob. The shared secret can be used as a symmetric key for encrypted communication between Alice and Bob and for many other purposes such as MACing and to create multiple message keys etc. Diffie–Hellman key exchange is a method of this type. Original illustration by David Göthberg, Sweden. Released by David as public domain. |
| Date | |
| Source | Own work |
| Author | Davidgothberg |
| Other versions |
This image is part in a series of images showing the four basic public-key cryptography operations: Creating a key pair, encrypting, signing, and creating a shared secret. Note that no single cryptosystem can do all three operations: For instance RSA can do encryption and signing, while Diffie–Hellman can create shared secrets. |
| SVG development |  This W3C-invalid diagram was created with Inkscape…important.  This diagram is translated using SVG switch elements: all translations are stored in the same file. |
Licensing
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:19, 7 July 2017 |  | 581 × 650 (28 KB) | Winstonlee | enable chinese language |
| 21:02, 21 August 2006 |  | 581 × 650 (24 KB) | Davidgothberg | Improved image. | |
| 08:39, 7 August 2006 |  | 581 × 650 (21 KB) | Davidgothberg | Public-key cryptography / asymmetric cryptography, shared secret agreement. Alice combines her own secret key with Bob's public key to create a shared secret. Likewise Bob combines his own secret key with Alice's public key and gets the same shared secre |
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