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3a9f26f3 SL |
1 | /* |
2 | * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved. | |
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> | |
11 | #include "internal/ciphers/ciphercommon.h" | |
12 | ||
13 | PROV_CIPHER_FUNC(void, xts_stream, | |
14 | (const unsigned char *in, unsigned char *out, size_t len, | |
15 | const AES_KEY *key1, const AES_KEY *key2, | |
16 | const unsigned char iv[16])); | |
17 | ||
18 | typedef struct prov_aes_xts_ctx_st { | |
19 | PROV_CIPHER_CTX base; /* Must be first */ | |
20 | union { | |
21 | OSSL_UNION_ALIGN; | |
22 | AES_KEY ks; | |
23 | } ks1, ks2; /* AES key schedules to use */ | |
24 | XTS128_CONTEXT xts; | |
25 | OSSL_xts_stream_fn stream; | |
26 | unsigned int iv_set : 1; /* Set if an iv is set */ | |
27 | } PROV_AES_XTS_CTX; | |
28 | ||
29 | const PROV_CIPHER_HW *PROV_CIPHER_HW_aes_xts(size_t keybits); |