include/openssl/kdf.h

   1 /*
   2  * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (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 #ifndef HEADER_KDF_H
  11 # define HEADER_KDF_H
  12
  13 # include <openssl/kdferr.h>
  14 #ifdef __cplusplus
  15 extern "C" {
  16 #endif
  17
  18 # define EVP_PKEY_CTRL_TLS_MD                   (EVP_PKEY_ALG_CTRL)
  19 # define EVP_PKEY_CTRL_TLS_SECRET               (EVP_PKEY_ALG_CTRL + 1)
  20 # define EVP_PKEY_CTRL_TLS_SEED                 (EVP_PKEY_ALG_CTRL + 2)
  21 # define EVP_PKEY_CTRL_HKDF_MD                  (EVP_PKEY_ALG_CTRL + 3)
  22 # define EVP_PKEY_CTRL_HKDF_SALT                (EVP_PKEY_ALG_CTRL + 4)
  23 # define EVP_PKEY_CTRL_HKDF_KEY                 (EVP_PKEY_ALG_CTRL + 5)
  24 # define EVP_PKEY_CTRL_HKDF_INFO                (EVP_PKEY_ALG_CTRL + 6)
  25 # define EVP_PKEY_CTRL_HKDF_MODE                (EVP_PKEY_ALG_CTRL + 7)
  26
  27 # define EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND 0
  28 # define EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY       1
  29 # define EVP_PKEY_HKDEF_MODE_EXPAND_ONLY        2
  30
  31 # define EVP_PKEY_CTX_set_tls1_prf_md(pctx, md) \
  32             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  33                               EVP_PKEY_CTRL_TLS_MD, 0, (void *)(md))
  34
  35 # define EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, sec, seclen) \
  36             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  37                               EVP_PKEY_CTRL_TLS_SECRET, seclen, (void *)(sec))
  38
  39 # define EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed, seedlen) \
  40             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  41                               EVP_PKEY_CTRL_TLS_SEED, seedlen, (void *)(seed))
  42
  43 # define EVP_PKEY_CTX_set_hkdf_md(pctx, md) \
  44             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  45                               EVP_PKEY_CTRL_HKDF_MD, 0, (void *)(md))
  46
  47 # define EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, saltlen) \
  48             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  49                               EVP_PKEY_CTRL_HKDF_SALT, saltlen, (void *)(salt))
  50
  51 # define EVP_PKEY_CTX_set1_hkdf_key(pctx, key, keylen) \
  52             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  53                               EVP_PKEY_CTRL_HKDF_KEY, keylen, (void *)(key))
  54
  55 # define EVP_PKEY_CTX_add1_hkdf_info(pctx, info, infolen) \
  56             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  57                               EVP_PKEY_CTRL_HKDF_INFO, infolen, (void *)(info))
  58
  59 # define EVP_PKEY_CTX_hkdf_mode(pctx, mode) \
  60             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  61                               EVP_PKEY_CTRL_HKDF_MODE, mode, NULL)
  62 int ERR_load_KDF_strings(void);
  63
  64 # ifdef  __cplusplus
  65 }
  66 # endif
  67 #endif