Add --passphrase-fd option.

FiloSottile / age

A simple, modern and secure encryption tool (and Go library) with small explicit keys, no config options, and UNIX-style composability.

https://age-encryption.org

BSD 3-Clause "New" or "Revised" License

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Closed sz-coder closed 3 years ago

sz-coder commented 3 years ago

This is my first attempt to get age reading a passphrase from a file descriptor.

sz-coder commented 3 years ago

Of course there are still some caveats that need to be addressed:

New line character (0xA) should be trimmed when reading from a file descriptor. (I think?)
Emit a warning if the passphrase does not fit completely in the buffer (currently 1024 bytes).
Move logic out of passphrasePromptForEncryption function.
Compatibility with other operating systems such as windows (I don't know if windows has the concepts of file descriptors).

FiloSottile commented 3 years ago