用对称密钥加密和解密
对称密钥加密是用同样的密钥对密文进行加密和解密.
用缺省设置生成一个密钥.
In[1]:=
![Click for copyable input](assets.zh/use-symmetric-key-encryption-and-decryption/In_25.png)
key = GenerateSymmetricKey[]
Out[1]=
![](assets.zh/use-symmetric-key-encryption-and-decryption/O_20.png)
用该密钥对一条消息进行加密.
In[2]:=
![Click for copyable input](assets.zh/use-symmetric-key-encryption-and-decryption/In_26.png)
encrypted =
Encrypt[key, "I hid the gold on an island in the Caribbean."]
Out[2]=
![](assets.zh/use-symmetric-key-encryption-and-decryption/O_21.png)
用同样的密钥对消息进行解密.
In[3]:=
![Click for copyable input](assets.zh/use-symmetric-key-encryption-and-decryption/In_27.png)
Decrypt[key, encrypted]
Out[3]=
![](assets.zh/use-symmetric-key-encryption-and-decryption/O_22.png)