IPsecについてThis document summarizes an overview of symmetric encryption algorithms and modes, including one-time pads, stream ciphers, block ciphers like AES, and encryption modes like ECB, CBC, CTR, and XTS. It discusses the properties, advantages, and disadvantages of each. It also covers topics like AES-NI instructions, padding oracle attacks, parallelization of encryption/decryption, and attacks like pla
