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書籍『暗号技術入門』
cipher.hyuki.com
Encrypt & decrypt your message with AES-256-CBC. No warranty. Use at your own risk.
Input
Passphrase
Encrypt & Decrypt
Encrypt
Decrypt
Output
Interoperability
Create a plaintext as "infile".
Execute:
$ openssl enc -aes-256-cbc -in infile -out outfile -pass pass:"your passphrase" -e -base64
Paste the content of "outfile" to the input textarea.
Enter the passphrase.
Click "Decrypt" button.