Error in executing this command

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Commando:

openssl enc -aes-128-ecb -in pass -K str -iv str -nosalt -base64 -A -out $pass

Error:

non-hex Digit invalid Hex iv value

str is a hexadecimal string with 32 characters

I’m not getting through this. If you could help, that would be great!

openssl

1 answer

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At your command the str and one of pass this one without dollar ($), therefore it is being passed as value and not as variable.

Probably the command you want is:

openssl enc -aes-128-ecb -in $pass -K $str -iv $str -nosalt -base64 -A -out $pass

However, I see other problems with the command:

  • The IV (-iv) and the key (-K) should not have the same value.
  • Do not use salt (-nosalt) is a bad idea.

These settings can dramatically decrease the security of encryption, depending on how you use it. I suggest you look at what each of these parameters do and how to handle them safely.

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