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cmd/age: support "-R -" if stdin is not in use

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Filippo Valsorda
2021-01-03 09:10:21 -05:00
committed by Filippo Valsorda
parent dc8716d8fc
commit 4147b86ac8
3 changed files with 36 additions and 14 deletions
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README.md
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@@ -69,6 +69,8 @@ age1lggyhqrw2nlhcxprm67z43rta597azn8gknawjehu9d9dl0jq3yqqvfafg
$ age -R recipients.txt example.jpg > example.jpg.age
```
If the argument to `-R` (or `-i`) is `-`, the file is read from standard input.
### Passphrases
Files can be encrypted with a passphrase by using `-p/--passphrase`. By default age will automatically generate a secure passphrase. Passphrase protected files are automatically detected at decrypt time.
@@ -92,6 +94,16 @@ $ age -d -i ~/.ssh/id_ed25519 example.jpg.age > example.jpg
Note that SSH key support employs more complex cryptography, and embeds a public key tag in the encrypted file, making it possible to track files that are encrypted to a specific public key.
#### Encrypting to a GitHub user
Combining SSH key support and `-R`, you can easily encrypt a file to the SSH keys listed on a GitHub profile.
```
$ curl https://github.com/benjojo.keys | age -R - example.jpg > example.jpg.age
```
Keep in mind that people might not protect SSH keys long-term, since they are revokable when used only for authentication, and that SSH keys held on YubiKeys can't be used to decrypt files.
## Installation
On macOS or Linux, you can use Homebrew: