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README.md

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+# sshencdec.sh
+
+bash script to encrypt data using a users ssh public key.
+
+## examples
+
+### encrypt a file using your own ssh public key
+```
+./sshencdec.sh -p ~/.ssh/id_rsa.pub < plain-text-file.txt > encrypted.txt
+```
+
+### encrypt a file using the public key of a github user
+```
+./sshencdec.sh -p <(curl -sf "https://github.com/S2-.keys" | head -n1) < plain-text-file.txt
+```
+
+this line fetches the first public key for the github user `S2-` and encrypts the file `plain-text-file.txt` using this key.
+
+### decrypt a file
+```
+./sshencdec.sh -s ~/.ssh/id_rsa < encrypted.txt
+```