rpass

CLI password manager written in Rust.
Vault encrypted with AES-256-GCM, key derivation via Argon2id, temporary session, TOTP, audit, and import/export.

Install

cargo install --path .

Or from the repository:

cargo build --release
# binary: target/release/rpass

Language

CLI messages default to English.

# French UI for this processexport RPASS_LANG=fr
rpass status
# Or persist in config
rpass config set language fr

RPASS_LANG overrides config.language. Values: en / english, fr / french / français.

Quick start

# Create the vault (sets the master password)
rpass init
# Unlock for a session (configurable timeout, default 15 min)
rpass unlock
# Add an entry (password generated automatically)
rpass add github -u me@email.com --tag dev --favorite
# List / search
rpass list
rpass list --tag dev --sort-by date
rpass search github
# Get a password (clipboard copy)
rpass get github
rpass get github --show
# Generate a password
rpass generate --length 24
rpass generate --passphrase --words 6
rpass generate --pronounceable --length 16
# Security audit
rpass audit
rpass check-breach --service github
rpass check-breach --all
# TOTP / 2FA
rpass add-totp github JBSWY3DPEHPK3PXP
rpass totp github
# Backup / export
rpass backup
rpass export --format json -o vault-export.json
rpass import --from chrome-export.csv
# Configuration
rpass config set password_length 24
rpass config set session_timeout 600
rpass config show
# Interactive REPL
rpass interactive
# Lock
rpass lock

Architecture

Module	Role
cli	clap parsing, command handlers, REPL
crypto	Argon2id, AES-GCM, password generation, TOTP, HIBP, strength
vault	In-memory CRUD, audit, import/export
storage	File persistence, sessions, backups
models	Entry, VaultData, EncryptedVault, MasterKey (zeroize)
config	TOML config + environment variables
error	thiserror error types

Encryption scheme

master password + salt (16 B)
│
▼
Argon2id (64 MiB, 3 iter)
│
▼
AES-256 key ──► AES-GCM(unique nonce, VaultData JSON)
│
▼
.vault file: { salt, nonce, ciphertext+tag, written_at }

After every mutation: re-encrypt + atomic write (tmp + rename).
The key in RAM uses zeroize::ZeroizeOnDrop.

Multiple vaults

rpass init pro
rpass --vault pro add corporate-vpn
rpass config set vault.pro /custom/path/pro.vault

Environment variables

Variable	Description
RPASS_VAULT	Default vault name
RPASS_VAULT_PATH	Vault file path
RPASS_DATA_DIR	Data directory
RPASS_CONFIG	Path to config.toml
RPASS_TIMEOUT	Session timeout (seconds)
RPASS_PASSWORD_LENGTH	Default generated password length
RPASS_LANG	CLI language: en (default) or fr
RPASS_RUNTIME_DIR	Session wrap-key directory (else XDG_RUNTIME_DIR/rpass)
RPASS_CLIPBOARD_WAIT	1 = wait for clipboard clear on get
NO_COLOR	Disable terminal colors

Shell completion

# bashsource<(rpass completions bash)# zsh
rpass completions zsh >"${fpath[1]}/_rpass"&& compinit
# fish
rpass completions fish >~/.config/fish/completions/rpass.fish

Tests

cargo test

Security

• Argon2id to resist GPU/ASIC brute force
• AES-256-GCM (authenticated encryption) — fresh random nonce on every write
• Mode 0600 on vault / session / export files
• Session: sealed master key + separate wrap key (XDG_RUNTIME_DIR)
• Write lock (.vault.lock) against concurrent writers
• Clipboard: best-effort clear; set RPASS_CLIPBOARD_WAIT=1 to force wait
• HIBP k-anonymity: only a SHA-1 prefix (5 chars) leaves the machine
• JSON/CSV exports are plaintext — protect them carefully

License

MIT