The following AEAD ciphers are recommended. Compliant Shadowsocks implementations must support AEAD_CHACHA20_POLY1305. Implementations for devices with hardware AES acceleration should also implement AEAD_AES_128_GCM, AEAD_AES_192_GCM, and AEAD_AES_256_GCM.

1. Compute 128 x 128 256 via carry-less multiplication (of 64-bit operands) 2. Reduction: 256 128 modulo x128 + x7 + x2 + x + 1 (done efficiently via software) AES-NI and PCLMULQDQ can be used for speeding up AES-GCM Authenticated Encryption S. Gueron. RWC 2013 6 It ain’t necessarily so aes-128-gcm encrypt & decrypt online | encode-decode.com Give our aes-128-gcm encrypt/decrypt tool a try! aes-128-gcm encrypt or aes-128-gcm decrypt any string with just one mouse click. Galois/Counter Mode - Wikipedia Jul 10, 2006

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TLS 1.2: AES_128_GCM or AES_256_CBC for better security Feb 27, 2014 Supported algorithm suites in the AWS Encryption SDK The AWS Encryption SDK algorithm suite uses the Advanced Encryption Standard (AES) algorithm in Galois/Counter Mode (GCM), known as AES-GCM, to encrypt raw data. The SDK supports 256-bit, 192-bit, and 128-bit encryption keys.

May 13, 2020 · AES only includes three flavors of Rijndael: AES-128, AES-192, and AES-256. The difference between these flavors is the size of the key and the number of rounds used, but–and this is often overlooked–not the block size. As a block cipher, AES always operates on 128-bit (16 byte) blocks of plaintext, regardless of the key size.

AES Encryption | Everything you need to know about AES The AES encryption algorithm encrypts and decrypts data in blocks of 128 bits. It can do this using 128-bit, 192-bit, or 256-bit keys. AES using 128-bit keys is often referred to as AES-128, and so on. The following diagram provides a simplified overview of the AES process… Plain text. This is the sensitive data that you wish to encrypt AES-GCM authenticated encryption - CryptoSys