As the encryption algorithm and decryption algorithm are open to everyone, so the private key storage management becomes an insecure part in public key system.
在公钥密码系统中加密和解密算法是公开的，因此私钥存储管理成了公钥系统安全中薄弱的环节。
When the algorithms open, the decryption key can not be calculated by encryption key so the encryption key could be open, only keep decryption key secret, that is public key.
当算法公开时，在计算上不可能由加密密钥求解解密密钥，因而可以将加密密钥公开，即公开密钥。
In modern cryptography, it is believed that any algorithm of encryption and decryption in cryptographical systems can be open, their safety depends on key security.
现代密码学认为，任何加密体系的加密和解密算法都可以公开，其安全性在于密钥的安全性。
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