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corvax19/openssh-encrypt-decrypt.txt

Last active July 28, 2023 14:10
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[/linux/openSSL] Simple text #encryption/#decryption with #openssl
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openssh-encrypt-decrypt.txt
echo -n "That's the text"|openssl enc -e -aes-256-cbc -a
Encrypt with interactive password. Encrypted message is base64-encoded afterwards.
echo -n "That's the text"|openssl enc -e -aes-256-cbc -a -k "MySuperPassword"
Encrypt with specified password. Encrypted message is base64-encoded afterwards.
echo "GVkYiq1b4M/8ZansBC3Jwx/UtGZzlxJPpygyC"|openssl base64 -d|openssl enc -d -aes-256-cbc
Base-64 decode and decrypt message with interactive password.
echo "GVkYiq1b4M/8ZansBC3Jwx/UtGZzlxJPpygyC"|openssl base64 -d|openssl enc -d -aes-256-cbc -k "MySuperPassword"
Base-64 decode and decrypt message with specified password.
@JoshMcCullough
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JoshMcCullough commented Mar 13, 2020 •
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Your decoding examples don't include -a so wouldn't Base64 decode the input string, right? Also worth noting that you should now include the password key function and iteration count as well, e.g. openssl enc -e -aes-256-cbc -pbkdf2 -iter 1234 -a -k <password>

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