You can use functions from pgcrypto library to encrypt / decrypt columns.
可以使用pgcrypto 库中的函数对列进行加密/解密。
WEP combines a 40-bit or a 104-bit key with a random 24-bit initialization vector to encrypt/decrypt data.
WEP 将 40比特或 104 比特密钥与随机的24 比特初始向量组合用以加解密数据。
XML encryption and digital signatures rely on Public Key Infrastructure (PKI) to help encrypt, decrypt, sign, and verify various documents.
xml加密和数字签名依赖于公共密钥基础设施(Public Key Infrastructure,PKI)来帮助加密(encrypt)、解密(decrypt)、签名(sign)和验证(verify)各种文档。
There are modes of operation such as AES-CBC and the insecure AES-ECB that do require padding, as they encrypt/decrypt per block as well.
有操作模式，例如AES-CBC和不安全的AES-ECB，它们需要填充，因为它们也对每个块进行加密/解密。
There are modes of operation such as AES-CBC and the insecure AES-ECB that do require padding, as they encrypt/decrypt per block as well.
有操作模式，例如AES-CBC和不安全的AES-ECB，它们需要填充，因为它们也对每个块进行加密/解密。
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