https://github.com/imcotton/at-key-gen-ssh-ed25519

reproducible SSH Keygen by PBKDF2 + Ed25519
https://github.com/imcotton/at-key-gen-ssh-ed25519

deno jsr

Last synced: 2 months ago
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reproducible SSH Keygen by PBKDF2 + Ed25519

• Host: GitHub
• URL: https://github.com/imcotton/at-key-gen-ssh-ed25519
• Owner: imcotton
• License: mit
• Created: 2024-03-09T18:58:02.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2025-10-08T09:48:32.000Z (9 months ago)
• Last Synced: 2025-10-08T11:36:16.633Z (9 months ago)
• Topics: deno, jsr
• Language: TypeScript
• Homepage: https://jsr.io/@key/gen-ssh-ed25519
• Size: 32.2 KB
• Stars: 0
• Watchers: 0
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.txt

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README

          
[![jsr](https://jsr.io/badges/@key/gen-ssh-ed25519)](https://jsr.io/@key/gen-ssh-ed25519)

[![codecov](https://codecov.io/gh/imcotton/at-key-gen-ssh-ed25519/graph/badge.svg)](https://codecov.io/gh/imcotton/at-key-gen-ssh-ed25519)

reproducible **SSH Keygen** by `PBKDF2` + `Ed25519`

## Methodology

```

|--PBKDF2--------|

|                |

|           salt <- (at least 5 characters long)

|     passphrase <- "the default passphrase"

|                |

|  hash:  sha512 |

| round: 400_000 |

|----------------|

▼

▼ -- 32 bytes entropy

▼

|--Ed25519----------------------|

|                               |

| @paulmillr/micro-key-producer |

│           /micro-packed       |

|     @noble/hashes             |

|     @noble/curves             |

|     @scure/base               |

|-------------------------------|

```

> Credit to: https://github.com/paulmillr/micro-key-producer

## Deno CLI

### print fingerprint

    deno run jsr:@key/gen-ssh-ed25519  [passphrase]

### create public key

    deno run jsr:@key/gen-ssh-ed25519/pub  [passphrase]

### create private key

    deno run jsr:@key/gen-ssh-ed25519/private  [passphrase]

### create **UUID** via `crypto.randomUUID`

    deno run jsr:@key/gen-ssh-ed25519/uuid

or

    deno eval -p 'crypto.randomUUID()'

    node      -p 'crypto.randomUUID()'