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Go reimplementation of Colin Percival's scrypt file encryption utility.
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LICENSE
README
decrypt.go
doc.go
encrypt.go
main.go

README

COMMAND

    scryptutil encrypts and decrypts files.

    Files are encrypted with AES-256 in CTR mode and authenticated with
    HMAC-SHA256. Encryption and HMAC keys are derived from passphrase using
    scrypt key derivation function.

    Usage:

	scryptutil {enc | dec} [infile] [outfile]

    If infile is not given, the program reads from the standard input.
    If outfile is not given, the program writes to the standard output.

    scryptutil is a Go reimplementation of Colin Percival's scrypt utility,
    which is used to encrypt key files for his Tarsnap backup service (see
    http://www.tarsnap.com/scrypt.html). The file format is the same: files
    encrypted by this utility can be decrypted with the original scrypt, and
    vice versa.

INSTALLATION

    $ go get github.com/dchest/scryptutil

BUGS

    Parameters for KDF during encryption are hardcoded to N=2¹⁸, r=8, p=1.

    None of the original scrypt utility flags are supported.
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