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Stateless Password Manager

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slpm is a dead simple password manager that will never store anything on disk nor use any random source as it derives every password from:

  1. your full name (as salt),
  2. your passphrase,
  3. a site name, and
  4. a site counter.

Therefore your passphrase should be strong enough!

The process

slpm currently uses the original MasterPasswordApp algorithm with scrypt and HMAC-SHA256 but it will default to Argon2 KDF and blake2b secure hash in the future.

Usage:

We run slpm using Edgar Allan Poe as full name and footman liquid vacate rounding compare parsnip traffic uproar freemason duckbill as passphrase:

$ ssh-agent bash --norc
bash-4.3$ ssh-add -l
The agent has no identities.
bash-4.3$ SLPM_FULLNAME='Edgar Allan Poe' ./slpm.comp
slpm v0.4.0-0-g13ae78f
SLPM_FULLNAME='Edgar Allan Poe'
Passphrase: 
Key derivation complete.
Site: twitter.com
Counter: 1
Maximum Security Password: t3_T9CriCZ^Y@eclVBFK
Long Password: Rosa1+DiztGaxi
Medium Password: Ros5$Luk
Short Password: Ros5
Basic Password: tWU5uzr7
PIN: 2365
Site: facebook.com
Counter: 1
Maximum Security Password: Ulg#3Cdae!20p4edPV8&
Long Password: Fopn9+MateQixe
Medium Password: FopNuz7=
Short Password: Fop6
Basic Password: UWR6qbP5
PIN: 8396
Site: ssh mysite.com
Counter: 1
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPC5/uQ+oWoHbHS2NM/y5LXJUp9vMKK6+TJt9x2h3SWW eapoe@slpm+mysite.com
Site: ^Z
[1]+  Stopped                 SLPM_FULLNAME='Edgar Allan Poe' ./slpm.comp
bash-4.3$ ssh-add -l
256 0f:4c:2d:a0:b0:8e:b0:e0:2c:64:0e:63:ce:72:14:1f slpm+mysite.com (ED25519)
bash-4.3$ fg
SLPM_FULLNAME='Edgar Allan Poe' ./slpm.comp
^D
Bye!    
bash-4.3$ ssh-add -l
The agent has no identities.
bash-4.3$ exit
exit
$