moparisthebest/pegh
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pegh is a file encryption tool using passwords with modern, standardized, and authenticated encryption.
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README.md

pegh

pegh is Klingon for secret

pegh is a file encryption tool using passwords and authenticated encryption. It returns proper exit codes so you can tell whether encryption/decryption failed or not.

pegh implements a simple versioned file format so encryption parameters can change in the future, but currently version 0 derives a 256-bit key from your password with scrypt, and uses that to encrypt/decrypt your file with aes-256-gcm.

todo: document usage and file format