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3a9f26f3 | 1 | /* |
3c2bdd7d | 2 | * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved. |
3a9f26f3 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 <openssl/aes.h> | |
604e884b | 11 | #include "prov/ciphercommon.h" |
cc731bc3 | 12 | #include "crypto/aes_platform.h" |
3a9f26f3 | 13 | |
dec95d75 RL |
14 | /* |
15 | * Available in cipher_fips.c, and compiled with different values depending | |
16 | * on we're in the FIPS module or not. | |
17 | */ | |
c8830891 | 18 | extern const int ossl_aes_xts_allow_insecure_decrypt; |
dec95d75 | 19 | |
3a9f26f3 SL |
20 | PROV_CIPHER_FUNC(void, xts_stream, |
21 | (const unsigned char *in, unsigned char *out, size_t len, | |
22 | const AES_KEY *key1, const AES_KEY *key2, | |
23 | const unsigned char iv[16])); | |
24 | ||
25 | typedef struct prov_aes_xts_ctx_st { | |
26 | PROV_CIPHER_CTX base; /* Must be first */ | |
27 | union { | |
28 | OSSL_UNION_ALIGN; | |
29 | AES_KEY ks; | |
30 | } ks1, ks2; /* AES key schedules to use */ | |
31 | XTS128_CONTEXT xts; | |
32 | OSSL_xts_stream_fn stream; | |
3a9f26f3 SL |
33 | } PROV_AES_XTS_CTX; |
34 | ||
7d6766cb | 35 | const PROV_CIPHER_HW *ossl_prov_cipher_hw_aes_xts(size_t keybits); |