providers/implementations/ciphers/cipher_rc4_hmac_md5.h

   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/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 *PROV_CIPHER_HW_rc4_hmac_md5(size_t keybits);