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 
14 typedef 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 
25 typedef 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 
33 const PROV_CIPHER_HW *ossl_prov_cipher_hw_rc4_hmac_md5(size_t keybits);
34 
35 void rc4_md5_enc(RC4_KEY *key, const void *in0, void *out,
36                  MD5_CTX *ctx, const void *inp, size_t blocks);
37