1/*
2 * Copyright 2019-2020 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 "prov/ciphercommon.h"
11#include "crypto/aes_platform.h"
12
13int ossl_cipher_capable_aes_cbc_hmac_sha1(void);
14int ossl_cipher_capable_aes_cbc_hmac_sha256(void);
15
16typedef struct prov_cipher_hw_aes_hmac_sha_ctx_st {
17    PROV_CIPHER_HW base; /* must be first */
18    void (*init_mac_key)(void *ctx, const unsigned char *inkey, size_t inlen);
19    int (*set_tls1_aad)(void *ctx, unsigned char *aad_rec, int aad_len);
20# if !defined(OPENSSL_NO_MULTIBLOCK)
21    int (*tls1_multiblock_max_bufsize)(void *ctx);
22    int (*tls1_multiblock_aad)(
23        void *vctx, EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *param);
24    int (*tls1_multiblock_encrypt)(
25        void *ctx, EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *param);
26# endif /* OPENSSL_NO_MULTIBLOCK) */
27} PROV_CIPHER_HW_AES_HMAC_SHA;
28
29const PROV_CIPHER_HW_AES_HMAC_SHA *ossl_prov_cipher_hw_aes_cbc_hmac_sha1(void);
30const PROV_CIPHER_HW_AES_HMAC_SHA *ossl_prov_cipher_hw_aes_cbc_hmac_sha256(void);
31
32#ifdef AES_CBC_HMAC_SHA_CAPABLE
33# include <openssl/aes.h>
34# include <openssl/sha.h>
35
36typedef struct prov_aes_hmac_sha_ctx_st {
37    PROV_CIPHER_CTX base;
38    AES_KEY ks;
39    size_t payload_length;      /* AAD length in decrypt case */
40    union {
41        unsigned int tls_ver;
42        unsigned char tls_aad[16]; /* 13 used */
43    } aux;
44    const PROV_CIPHER_HW_AES_HMAC_SHA *hw;
45    /* some value that are setup by set methods - that can be retrieved */
46    unsigned int multiblock_interleave;
47    unsigned int multiblock_aad_packlen;
48    size_t multiblock_max_send_fragment;
49    size_t multiblock_encrypt_len;
50    size_t tls_aad_pad;
51} PROV_AES_HMAC_SHA_CTX;
52
53typedef struct prov_aes_hmac_sha1_ctx_st {
54    PROV_AES_HMAC_SHA_CTX base_ctx;
55    SHA_CTX head, tail, md;
56} PROV_AES_HMAC_SHA1_CTX;
57
58typedef struct prov_aes_hmac_sha256_ctx_st {
59    PROV_AES_HMAC_SHA_CTX base_ctx;
60    SHA256_CTX head, tail, md;
61} PROV_AES_HMAC_SHA256_CTX;
62
63# define NO_PAYLOAD_LENGTH ((size_t)-1)
64
65#endif /* AES_CBC_HMAC_SHA_CAPABLE */
66