1*b077aed3SPierre Pronchery /* 2*b077aed3SPierre Pronchery * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved. 3*b077aed3SPierre Pronchery * 4*b077aed3SPierre Pronchery * Licensed under the Apache License 2.0 (the "License"). You may not use 5*b077aed3SPierre Pronchery * this file except in compliance with the License. You can obtain a copy 6*b077aed3SPierre Pronchery * in the file LICENSE in the source distribution or at 7*b077aed3SPierre Pronchery * https://www.openssl.org/source/license.html 8*b077aed3SPierre Pronchery */ 9*b077aed3SPierre Pronchery 10*b077aed3SPierre Pronchery #include "prov/ciphercommon.h" 11*b077aed3SPierre Pronchery #include "crypto/aes_platform.h" 12*b077aed3SPierre Pronchery #include "crypto/siv.h" 13*b077aed3SPierre Pronchery 14*b077aed3SPierre Pronchery typedef struct prov_cipher_hw_aes_siv_st { 15*b077aed3SPierre Pronchery int (*initkey)(void *ctx, const uint8_t *key, size_t keylen); 16*b077aed3SPierre Pronchery int (*cipher)(void *ctx, unsigned char *out, const unsigned char *in, 17*b077aed3SPierre Pronchery size_t len); 18*b077aed3SPierre Pronchery void (*setspeed)(void *ctx, int speed); 19*b077aed3SPierre Pronchery int (*settag)(void *ctx, const unsigned char *tag, size_t tagl); 20*b077aed3SPierre Pronchery void (*cleanup)(void *ctx); 21*b077aed3SPierre Pronchery int (*dupctx)(void *src, void *dst); 22*b077aed3SPierre Pronchery } PROV_CIPHER_HW_AES_SIV; 23*b077aed3SPierre Pronchery 24*b077aed3SPierre Pronchery typedef struct prov_siv_ctx_st { 25*b077aed3SPierre Pronchery unsigned int mode; /* The mode that we are using */ 26*b077aed3SPierre Pronchery unsigned int enc : 1; /* Set to 1 if we are encrypting or 0 otherwise */ 27*b077aed3SPierre Pronchery size_t keylen; /* The input keylength (twice the alg key length) */ 28*b077aed3SPierre Pronchery size_t taglen; /* the taglen is the same as the sivlen */ 29*b077aed3SPierre Pronchery SIV128_CONTEXT siv; 30*b077aed3SPierre Pronchery EVP_CIPHER *ctr; /* These are fetched - so we need to free them */ 31*b077aed3SPierre Pronchery EVP_CIPHER *cbc; 32*b077aed3SPierre Pronchery const PROV_CIPHER_HW_AES_SIV *hw; 33*b077aed3SPierre Pronchery OSSL_LIB_CTX *libctx; 34*b077aed3SPierre Pronchery } PROV_AES_SIV_CTX; 35*b077aed3SPierre Pronchery 36*b077aed3SPierre Pronchery const PROV_CIPHER_HW_AES_SIV *ossl_prov_cipher_hw_aes_siv(size_t keybits); 37