include/openssl/kdf.h

   1 /*
   2  * Copyright 2016-2018 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 #ifndef HEADER_KDF_H
  11 # define HEADER_KDF_H
  12
  13 # include <stdarg.h>
  14 # include <stddef.h>
  15 # include <openssl/ossl_typ.h>
  16 # include <openssl/kdferr.h>
  17 # ifdef __cplusplus
  18 extern "C" {
  19 # endif
  20
  21 # define EVP_KDF_PBKDF2     NID_id_pbkdf2
  22 # define EVP_KDF_SCRYPT     NID_id_scrypt
  23 # define EVP_KDF_TLS1_PRF   NID_tls1_prf
  24 # define EVP_KDF_HKDF       NID_hkdf
  25 # define EVP_KDF_SSHKDF     NID_sshkdf
  26
  27 EVP_KDF_CTX *EVP_KDF_CTX_new_id(int id);
  28 void EVP_KDF_CTX_free(EVP_KDF_CTX *ctx);
  29
  30 void EVP_KDF_reset(EVP_KDF_CTX *ctx);
  31 int EVP_KDF_ctrl(EVP_KDF_CTX *ctx, int cmd, ...);
  32 int EVP_KDF_vctrl(EVP_KDF_CTX *ctx, int cmd, va_list args);
  33 int EVP_KDF_ctrl_str(EVP_KDF_CTX *ctx, const char *type, const char *value);
  34 size_t EVP_KDF_size(EVP_KDF_CTX *ctx);
  35 int EVP_KDF_derive(EVP_KDF_CTX *ctx, unsigned char *key, size_t keylen);
  36
  37
  38 # define EVP_KDF_CTRL_SET_PASS          0x01 /* unsigned char *, size_t */
  39 # define EVP_KDF_CTRL_SET_SALT          0x02 /* unsigned char *, size_t */
  40 # define EVP_KDF_CTRL_SET_ITER          0x03 /* int */
  41 # define EVP_KDF_CTRL_SET_MD            0x04 /* EVP_MD * */
  42 # define EVP_KDF_CTRL_SET_KEY           0x05 /* unsigned char *, size_t */
  43 # define EVP_KDF_CTRL_SET_MAXMEM_BYTES  0x06 /* uint64_t */
  44 # define EVP_KDF_CTRL_SET_TLS_SECRET    0x07 /* unsigned char *, size_t */
  45 # define EVP_KDF_CTRL_RESET_TLS_SEED    0x08
  46 # define EVP_KDF_CTRL_ADD_TLS_SEED      0x09 /* unsigned char *, size_t */
  47 # define EVP_KDF_CTRL_RESET_HKDF_INFO   0x0a
  48 # define EVP_KDF_CTRL_ADD_HKDF_INFO     0x0b /* unsigned char *, size_t */
  49 # define EVP_KDF_CTRL_SET_HKDF_MODE     0x0c /* int */
  50 # define EVP_KDF_CTRL_SET_SCRYPT_N      0x0d /* uint64_t */
  51 # define EVP_KDF_CTRL_SET_SCRYPT_R      0x0e /* uint32_t */
  52 # define EVP_KDF_CTRL_SET_SCRYPT_P      0x0f /* uint32_t */
  53 # define EVP_KDF_CTRL_SET_SSHKDF_XCGHASH    0x10 /* unsigned char *, size_t */
  54 # define EVP_KDF_CTRL_SET_SSHKDF_SESSION_ID 0x11 /* unsigned char *, size_t */
  55 # define EVP_KDF_CTRL_SET_SSHKDF_TYPE       0x12 /* int */
  56
  57 # define EVP_KDF_HKDF_MODE_EXTRACT_AND_EXPAND  0
  58 # define EVP_KDF_HKDF_MODE_EXTRACT_ONLY        1
  59 # define EVP_KDF_HKDF_MODE_EXPAND_ONLY         2
  60
  61 #define EVP_KDF_SSHKDF_TYPE_INITIAL_IV_CLI_TO_SRV 65
  62 #define EVP_KDF_SSHKDF_TYPE_INITIAL_IV_SRV_TO_CLI 66
  63 #define EVP_KDF_SSHKDF_TYPE_ENCRYPTION_KEY_CLI_TO_SRV 67
  64 #define EVP_KDF_SSHKDF_TYPE_ENCRYPTION_KEY_SRV_TO_CLI 68
  65 #define EVP_KDF_SSHKDF_TYPE_INTEGRITY_KEY_CLI_TO_SRV 69
  66 #define EVP_KDF_SSHKDF_TYPE_INTEGRITY_KEY_SRV_TO_CLI 70
  67
  68 /**** The legacy PKEY-based KDF API follows. ****/
  69
  70 # define EVP_PKEY_CTRL_TLS_MD                   (EVP_PKEY_ALG_CTRL)
  71 # define EVP_PKEY_CTRL_TLS_SECRET               (EVP_PKEY_ALG_CTRL + 1)
  72 # define EVP_PKEY_CTRL_TLS_SEED                 (EVP_PKEY_ALG_CTRL + 2)
  73 # define EVP_PKEY_CTRL_HKDF_MD                  (EVP_PKEY_ALG_CTRL + 3)
  74 # define EVP_PKEY_CTRL_HKDF_SALT                (EVP_PKEY_ALG_CTRL + 4)
  75 # define EVP_PKEY_CTRL_HKDF_KEY                 (EVP_PKEY_ALG_CTRL + 5)
  76 # define EVP_PKEY_CTRL_HKDF_INFO                (EVP_PKEY_ALG_CTRL + 6)
  77 # define EVP_PKEY_CTRL_HKDF_MODE                (EVP_PKEY_ALG_CTRL + 7)
  78 # define EVP_PKEY_CTRL_PASS                     (EVP_PKEY_ALG_CTRL + 8)
  79 # define EVP_PKEY_CTRL_SCRYPT_SALT              (EVP_PKEY_ALG_CTRL + 9)
  80 # define EVP_PKEY_CTRL_SCRYPT_N                 (EVP_PKEY_ALG_CTRL + 10)
  81 # define EVP_PKEY_CTRL_SCRYPT_R                 (EVP_PKEY_ALG_CTRL + 11)
  82 # define EVP_PKEY_CTRL_SCRYPT_P                 (EVP_PKEY_ALG_CTRL + 12)
  83 # define EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES      (EVP_PKEY_ALG_CTRL + 13)
  84
  85 # define EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND \
  86             EVP_KDF_HKDF_MODE_EXTRACT_AND_EXPAND
  87 # define EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY       \
  88             EVP_KDF_HKDF_MODE_EXTRACT_ONLY
  89 # define EVP_PKEY_HKDEF_MODE_EXPAND_ONLY        \
  90             EVP_KDF_HKDF_MODE_EXPAND_ONLY
  91
  92 # define EVP_PKEY_CTX_set_tls1_prf_md(pctx, md) \
  93             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  94                               EVP_PKEY_CTRL_TLS_MD, 0, (void *)(md))
  95
  96 # define EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, sec, seclen) \
  97             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  98                               EVP_PKEY_CTRL_TLS_SECRET, seclen, (void *)(sec))
  99
 100 # define EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed, seedlen) \
 101             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 102                               EVP_PKEY_CTRL_TLS_SEED, seedlen, (void *)(seed))
 103
 104 # define EVP_PKEY_CTX_set_hkdf_md(pctx, md) \
 105             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 106                               EVP_PKEY_CTRL_HKDF_MD, 0, (void *)(md))
 107
 108 # define EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, saltlen) \
 109             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 110                               EVP_PKEY_CTRL_HKDF_SALT, saltlen, (void *)(salt))
 111
 112 # define EVP_PKEY_CTX_set1_hkdf_key(pctx, key, keylen) \
 113             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 114                               EVP_PKEY_CTRL_HKDF_KEY, keylen, (void *)(key))
 115
 116 # define EVP_PKEY_CTX_add1_hkdf_info(pctx, info, infolen) \
 117             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 118                               EVP_PKEY_CTRL_HKDF_INFO, infolen, (void *)(info))
 119
 120 # define EVP_PKEY_CTX_hkdf_mode(pctx, mode) \
 121             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 122                               EVP_PKEY_CTRL_HKDF_MODE, mode, NULL)
 123
 124 # define EVP_PKEY_CTX_set1_pbe_pass(pctx, pass, passlen) \
 125             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 126                             EVP_PKEY_CTRL_PASS, passlen, (void *)(pass))
 127
 128 # define EVP_PKEY_CTX_set1_scrypt_salt(pctx, salt, saltlen) \
 129             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 130                             EVP_PKEY_CTRL_SCRYPT_SALT, saltlen, (void *)(salt))
 131
 132 # define EVP_PKEY_CTX_set_scrypt_N(pctx, n) \
 133             EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
 134                             EVP_PKEY_CTRL_SCRYPT_N, n)
 135
 136 # define EVP_PKEY_CTX_set_scrypt_r(pctx, r) \
 137             EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
 138                             EVP_PKEY_CTRL_SCRYPT_R, r)
 139
 140 # define EVP_PKEY_CTX_set_scrypt_p(pctx, p) \
 141             EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
 142                             EVP_PKEY_CTRL_SCRYPT_P, p)
 143
 144 # define EVP_PKEY_CTX_set_scrypt_maxmem_bytes(pctx, maxmem_bytes) \
 145             EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
 146                             EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES, maxmem_bytes)
 147
 148
 149 # ifdef __cplusplus
 150 }
 151 # endif
 152 #endif