...码(Affine cipher) 多项式密码(Polynomial cipher) 多项式密码(Polynomial cipher) 密钥短语密码(Key Word cipher) (1)移位密码算法 (1)移位密码算法 设P=C=K=Z/(26),对k∈K,定义: e k (x) = x+k (mod 26) = y∈C, 同时,d k (y) = y-k ...
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1.3 1.3 36 密钥短语密码(key phrase cipher) 选择一个英文短语作为密钥字(key word)或称密钥 短语(key phrase),如HAPPY NEW YEAR,去掉重 复的字母得到HAPYNEWR。
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如果您不提供密码短语,那么ssh - keygen会生成一个未加密的密钥。
If you don't supply a passphrase, then ssh-keygen will generate keys which are not encrypted!
正常情况下,正如前面提到的,机密密钥受密码短语的保护。
Normally, and as mentioned, secret keys are protected by a passphrase.
它允许ssh程序请求已解密密钥,而不是每次需要时都要求您提供私钥的密码短语。
This allows the SSH program to request an already decrypted key, rather than asking you for the private key's secret passphrase each time it's required.
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