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eb173822 | 1 | /* |
90409da6 | 2 | * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved. |
eb173822 SL |
3 | * |
4 | * Licensed under the Apache License 2.0 (the "License"). You may not use | |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8 | */ | |
9 | ||
10 | #include "prov/ciphercommon.h" | |
cc731bc3 RL |
11 | #include "crypto/aes_platform.h" |
12 | #include "crypto/siv.h" | |
eb173822 SL |
13 | |
14 | typedef struct prov_cipher_hw_aes_siv_st { | |
15 | int (*initkey)(void *ctx, const uint8_t *key, size_t keylen); | |
16 | int (*cipher)(void *ctx, unsigned char *out, const unsigned char *in, | |
17 | size_t len); | |
18 | void (*setspeed)(void *ctx, int speed); | |
19 | int (*settag)(void *ctx, const unsigned char *tag, size_t tagl); | |
20 | void (*cleanup)(void *ctx); | |
90409da6 | 21 | int (*dupctx)(void *src, void *dst); |
eb173822 SL |
22 | } PROV_CIPHER_HW_AES_SIV; |
23 | ||
24 | typedef struct prov_siv_ctx_st { | |
25 | unsigned int mode; /* The mode that we are using */ | |
26 | unsigned int enc : 1; /* Set to 1 if we are encrypting or 0 otherwise */ | |
27 | uint64_t flags; | |
28 | size_t keylen; /* The input keylength (twice the alg key length) */ | |
29 | size_t taglen; /* the taglen is the same as the sivlen */ | |
30 | SIV128_CONTEXT siv; | |
31 | EVP_CIPHER *ctr; /* These are fetched - so we need to free them */ | |
32 | EVP_CIPHER *cbc; | |
33 | const PROV_CIPHER_HW_AES_SIV *hw; | |
b4250010 | 34 | OSSL_LIB_CTX *libctx; |
eb173822 SL |
35 | } PROV_AES_SIV_CTX; |
36 | ||
7d6766cb | 37 | const PROV_CIPHER_HW_AES_SIV *ossl_prov_cipher_hw_aes_siv(size_t keybits); |