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First, RSA "encrypt with private key" and "decrypt with public key" are semantically wrong; these don't provide confidentiality which is the purpose of encryption, but they can provide integrity which is the purpose of signature. The fact that RSA sign/verify operations are mathematically similar to encrypt/decrypt led to this misuse of terminology back in ...


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Based on your description, you will not be able to recover the original encrypted file. Since you specify that you used a password and do not indicate the use of an IV, my assumption is that you did, in fact, use a passphrase rather than a secret key. When you encrypt a file with a passphrase, OpenSSL assumes that it is a low-entropy string unsuitable for ...



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