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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 ...


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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