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aes.sh

Encrypts or decrypts a given data file with the provided passphrase. Specifically, performs AES-256 in CBC mode, using PBKDF2 for key derivation with a random salt and SHA-1 message digest. Produces Base64-encoded output.

Prerequisites:

Usage:

aes.sh [-d] -p <file> -i <file> -o <file>

Options:

  • -d

    Decryption mode. If omitted, encryption mode is implied.

  • -p <file>

    Passphrase file.

  • -i <file>

    Input data file.

  • -o <file>

    Output data file.

Example:

aes.sh -p ./pass.txt -i ./data.txt -o ./data.txt.enc