Hi all

I have a requirement to encrypt files, in such a way identical files should 
generate identical ciphertexts. 

I plan to use aes-256-cbc cipher with 128-byte long non-guessable password per 
input file. Identical input files will be provided with identical passwords.

1. Is it no salt the way forward for me?

2. How many rounds are recommended for EVP_BytesToKey() in my case?

Many thanks in advance.

Best regards
Unga

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