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/**
 *  @file aes_gcm.h
 *  @brief AES GCM encryption/decryption function prototypes.
 *
 * At build time there is an option to use non-temporal loads and stores
 * selected by defining the compile time option NT_LDST. The use of this option
 * places the following restriction on the gcm encryption functions:
 *
 * - The plaintext and cyphertext buffers must be aligned on a 16 byte boundary.
 *
 * - When using the streaming API, all partial input buffers must be a multiple
 *   of 16 bytes long except for the last input buffer.
 *
 * - In-place encryption/decryption is not recommended.
 *
 */

/*
; References:
;       This code was derived and highly optimized from the code described in paper:
;               Vinodh Gopal et. al. Optimized Galois-Counter-Mode Implementation on Intel Architecture Processors. August, 2010