https://github.com/pedroalbanese/vko

GOST R 34.10-2012 Key Agreement Function (RFC 7836)
https://github.com/pedroalbanese/vko

diffie-hellman gost3410 gost3410-2012

Last synced: 3 months ago
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GOST R 34.10-2012 Key Agreement Function (RFC 7836)

• Host: GitHub
• URL: https://github.com/pedroalbanese/vko
• Owner: pedroalbanese
• License: isc
• Created: 2021-12-06T21:16:40.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2023-05-04T22:51:36.000Z (about 2 years ago)
• Last Synced: 2025-01-04T21:18:30.863Z (5 months ago)
• Topics: diffie-hellman, gost3410, gost3410-2012
• Language: Go
• Homepage:
• Size: 23.4 KB
• Stars: 2
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.md
  • Security: SECURITY.md

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README

        
# VKO 

[![ISC License](http://img.shields.io/badge/license-ISC-blue.svg)](https://github.com/pedroalbanese/vko/blob/master/LICENSE.md) 

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[![GoDoc](https://godoc.org/github.com/pedroalbanese/vko?status.png)](http://godoc.org/github.com/pedroalbanese/vko)

[![Go Report Card](https://goreportcard.com/badge/github.com/pedroalbanese/vko)](https://goreportcard.com/report/github.com/pedroalbanese/vko)

[![GitHub go.mod Go version](https://img.shields.io/github/go-mod/go-version/pedroalbanese/vko)](https://golang.org)

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### GOST R 34.10-2012 VKO (выработка ключа общего)

VKO is an elliptic curve Diffie-Hellman key agreement function using GOST R 34.10-2012. It allows two parties to jointly agree on a shared secret using an insecure channel.

```

            Alice                            Bob

            -----                            ---

      choose private key:             choose private key:

             d_A                             d_B

              |                               |

              v                               v

      compute public key:             compute public key:

    Q_A = d_A * BasePoint_TE        Q_B = d_B * BasePoint_TE

              |                               |

              v                               v

          ------- Begin Key Exchange Phase -------

              |                               |

              v                               v

     compute shared secret:          compute shared secret:

S_A = d_A * Q_B + d_A * BasePoint S_B = d_B * Q_A + d_B * BasePoint

              |                               |

              v                               v

          -------- End Key Exchange Phase --------

              |                               |

              v                               v

            (S_A)                           (S_B)

 ``` 

     

### Command-line VKO Tool:

Usage of vko:

  -key string

        Our private key.

  -keygen

        Generate keypair.

  -paramset string

        ParamSet: A, B, C or D. (default "A")

  -pub string

        Remote's side public key.


### Examples:

```sh

./vko -keygen // 2x

./vko -key $2ndprivatekey -pub $1stpublickey

./vko -key $1stprivatekey -pub $2ndpublickey

```

## License

This project is licensed under the ISC License.

##### Copyright (c) 2020-2021 Pedro Albanese - ALBANESE Research Lab.