providers/implementations/ciphers/cipher_aes_cbc_hmac_sha.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 "prov/ciphercommon.h"
  11 #include "crypto/aes_platform.h"
  12
  13 int cipher_capable_aes_cbc_hmac_sha1(void);
  14 int cipher_capable_aes_cbc_hmac_sha256(void);
  15
  16 typedef 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
  29 const PROV_CIPHER_HW_AES_HMAC_SHA *PROV_CIPHER_HW_aes_cbc_hmac_sha1(void);
  30 const PROV_CIPHER_HW_AES_HMAC_SHA *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
  36 typedef 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
  53 typedef 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
  58 typedef 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 */