SymmetricAlgorithm生成aes密匙与aes向量https://docs.microsoft.com/zh-cn/dotnet/api/system.security.cryptography.symmetricalgorithm.generatekey?redirectedfrom=MSDN&view=netframework-4.8#System_Security_Cryptography_SymmetricAlgorithm_GenerateKey转载于:https://www.cnblogs.com/dinggf/p/10971340.html