Description: Achieve a document file encryption and signature tool 1. Select a hash algorithm (MD5 | SHA1 | SHA3) for summary calculations 2, choose a symmetric key encryption algorithms or stream ciphers (DES | AES | RC4) 3. Select a public key signature algorithm (RSA | ECC), requires a separate key pair generation algorithm encryption mode 4, document file for CBC.
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OPENSSL编程实践——实现文件加密和数字签名.pdf
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