1/*
2 * Copyright 2019-2023 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/rc4.h>
11#include <openssl/md5.h>
12#include "prov/ciphercommon.h"
13
14typedef struct prov_rc4_hmac_md5_ctx_st {
15    PROV_CIPHER_CTX base;      /* Must be first */
16    union {
17        OSSL_UNION_ALIGN;
18        RC4_KEY ks;
19    } ks;
20    MD5_CTX head, tail, md;
21    size_t payload_length;
22    size_t tls_aad_pad_sz;
23} PROV_RC4_HMAC_MD5_CTX;
24
25typedef struct prov_cipher_hw_rc4_hmac_md5_st {
26    PROV_CIPHER_HW base; /* Must be first */
27    int (*tls_init)(PROV_CIPHER_CTX *ctx, unsigned char *aad, size_t aad_len);
28    void (*init_mackey)(PROV_CIPHER_CTX *ctx, const unsigned char *key,
29                        size_t len);
30
31} PROV_CIPHER_HW_RC4_HMAC_MD5;
32
33const PROV_CIPHER_HW *ossl_prov_cipher_hw_rc4_hmac_md5(size_t keybits);
34
35void rc4_md5_enc(RC4_KEY *key, const void *in0, void *out,
36                 MD5_CTX *ctx, const void *inp, size_t blocks);
37