include/openssl/kdf.h

   1 /*
   2  * Copyright 2016-2020 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 OPENSSL_KDF_H
  11 # define OPENSSL_KDF_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # ifndef OPENSSL_NO_DEPRECATED_3_0
  16 #  define HEADER_KDF_H
  17 # endif
  18
  19 # include <stdarg.h>
  20 # include <stddef.h>
  21 # include <openssl/types.h>
  22 # include <openssl/core.h>
  23
  24 # ifdef __cplusplus
  25 extern "C" {
  26 # endif
  27
  28 int EVP_KDF_up_ref(EVP_KDF *kdf);
  29 void EVP_KDF_free(EVP_KDF *kdf);
  30 EVP_KDF *EVP_KDF_fetch(OPENSSL_CTX *libctx, const char *algorithm,
  31                        const char *properties);
  32
  33 EVP_KDF_CTX *EVP_KDF_CTX_new(EVP_KDF *kdf);
  34 void EVP_KDF_CTX_free(EVP_KDF_CTX *ctx);
  35 EVP_KDF_CTX *EVP_KDF_CTX_dup(const EVP_KDF_CTX *src);
  36 int EVP_KDF_number(const EVP_KDF *kdf);
  37 int EVP_KDF_is_a(const EVP_KDF *kdf, const char *name);
  38 const OSSL_PROVIDER *EVP_KDF_provider(const EVP_KDF *kdf);
  39 const EVP_KDF *EVP_KDF_CTX_kdf(EVP_KDF_CTX *ctx);
  40
  41 void EVP_KDF_reset(EVP_KDF_CTX *ctx);
  42 size_t EVP_KDF_size(EVP_KDF_CTX *ctx);
  43 int EVP_KDF_derive(EVP_KDF_CTX *ctx, unsigned char *key, size_t keylen);
  44 int EVP_KDF_get_params(EVP_KDF *kdf, OSSL_PARAM params[]);
  45 int EVP_KDF_CTX_get_params(EVP_KDF_CTX *ctx, OSSL_PARAM params[]);
  46 int EVP_KDF_CTX_set_params(EVP_KDF_CTX *ctx, const OSSL_PARAM params[]);
  47 const OSSL_PARAM *EVP_KDF_gettable_params(const EVP_KDF *kdf);
  48 const OSSL_PARAM *EVP_KDF_gettable_ctx_params(const EVP_KDF *kdf);
  49 const OSSL_PARAM *EVP_KDF_settable_ctx_params(const EVP_KDF *kdf);
  50
  51 void EVP_KDF_do_all_provided(OPENSSL_CTX *libctx,
  52                              void (*fn)(EVP_KDF *kdf, void *arg),
  53                              void *arg);
  54 void EVP_KDF_names_do_all(const EVP_KDF *kdf,
  55                           void (*fn)(const char *name, void *data),
  56                           void *data);
  57
  58 # define EVP_KDF_CTRL_SET_PASS               0x01 /* unsigned char *, size_t */
  59 # define EVP_KDF_CTRL_SET_SALT               0x02 /* unsigned char *, size_t */
  60 # define EVP_KDF_CTRL_SET_ITER               0x03 /* int */
  61 # define EVP_KDF_CTRL_SET_MD                 0x04 /* EVP_MD * */
  62 # define EVP_KDF_CTRL_SET_KEY                0x05 /* unsigned char *, size_t */
  63 # define EVP_KDF_CTRL_SET_MAXMEM_BYTES       0x06 /* uint64_t */
  64 # define EVP_KDF_CTRL_SET_TLS_SECRET         0x07 /* unsigned char *, size_t */
  65 # define EVP_KDF_CTRL_ADD_TLS_SEED           0x08 /* unsigned char *, size_t */
  66 # define EVP_KDF_CTRL_RESET_HKDF_INFO        0x09
  67 # define EVP_KDF_CTRL_ADD_HKDF_INFO          0x0a /* unsigned char *, size_t */
  68 # define EVP_KDF_CTRL_SET_HKDF_MODE          0x0b /* int */
  69 # define EVP_KDF_CTRL_SET_SCRYPT_N           0x0c /* uint64_t */
  70 # define EVP_KDF_CTRL_SET_SCRYPT_R           0x0d /* uint32_t */
  71 # define EVP_KDF_CTRL_SET_SCRYPT_P           0x0e /* uint32_t */
  72 # define EVP_KDF_CTRL_SET_SSHKDF_XCGHASH     0x0f /* unsigned char *, size_t */
  73 # define EVP_KDF_CTRL_SET_SSHKDF_SESSION_ID  0x10 /* unsigned char *, size_t */
  74 # define EVP_KDF_CTRL_SET_SSHKDF_TYPE        0x11 /* int */
  75 # define EVP_KDF_CTRL_SET_MAC                0x12 /* EVP_MAC * */
  76 # define EVP_KDF_CTRL_SET_MAC_SIZE           0x13 /* size_t */
  77 # define EVP_KDF_CTRL_SET_SSKDF_INFO         0x14 /* unsigned char *, size_t */
  78 # define EVP_KDF_CTRL_SET_PBKDF2_PKCS5_MODE  0x15 /* int */
  79 # define EVP_KDF_CTRL_SET_UKM                0x16 /* unsigned char *, size_t */
  80 # define EVP_KDF_CTRL_SET_CEK_ALG            0x17 /* char * */
  81 # define EVP_KDF_CTRL_SET_SHARED_INFO        EVP_KDF_CTRL_SET_SSKDF_INFO
  82
  83 # define EVP_KDF_HKDF_MODE_EXTRACT_AND_EXPAND  0
  84 # define EVP_KDF_HKDF_MODE_EXTRACT_ONLY        1
  85 # define EVP_KDF_HKDF_MODE_EXPAND_ONLY         2
  86
  87 #define EVP_KDF_SSHKDF_TYPE_INITIAL_IV_CLI_TO_SRV     65
  88 #define EVP_KDF_SSHKDF_TYPE_INITIAL_IV_SRV_TO_CLI     66
  89 #define EVP_KDF_SSHKDF_TYPE_ENCRYPTION_KEY_CLI_TO_SRV 67
  90 #define EVP_KDF_SSHKDF_TYPE_ENCRYPTION_KEY_SRV_TO_CLI 68
  91 #define EVP_KDF_SSHKDF_TYPE_INTEGRITY_KEY_CLI_TO_SRV  69
  92 #define EVP_KDF_SSHKDF_TYPE_INTEGRITY_KEY_SRV_TO_CLI  70
  93
  94 /**** The legacy PKEY-based KDF API follows. ****/
  95
  96 # define EVP_PKEY_CTRL_TLS_MD                   (EVP_PKEY_ALG_CTRL)
  97 # define EVP_PKEY_CTRL_TLS_SECRET               (EVP_PKEY_ALG_CTRL + 1)
  98 # define EVP_PKEY_CTRL_TLS_SEED                 (EVP_PKEY_ALG_CTRL + 2)
  99 # define EVP_PKEY_CTRL_HKDF_MD                  (EVP_PKEY_ALG_CTRL + 3)
 100 # define EVP_PKEY_CTRL_HKDF_SALT                (EVP_PKEY_ALG_CTRL + 4)
 101 # define EVP_PKEY_CTRL_HKDF_KEY                 (EVP_PKEY_ALG_CTRL + 5)
 102 # define EVP_PKEY_CTRL_HKDF_INFO                (EVP_PKEY_ALG_CTRL + 6)
 103 # define EVP_PKEY_CTRL_HKDF_MODE                (EVP_PKEY_ALG_CTRL + 7)
 104 # define EVP_PKEY_CTRL_PASS                     (EVP_PKEY_ALG_CTRL + 8)
 105 # define EVP_PKEY_CTRL_SCRYPT_SALT              (EVP_PKEY_ALG_CTRL + 9)
 106 # define EVP_PKEY_CTRL_SCRYPT_N                 (EVP_PKEY_ALG_CTRL + 10)
 107 # define EVP_PKEY_CTRL_SCRYPT_R                 (EVP_PKEY_ALG_CTRL + 11)
 108 # define EVP_PKEY_CTRL_SCRYPT_P                 (EVP_PKEY_ALG_CTRL + 12)
 109 # define EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES      (EVP_PKEY_ALG_CTRL + 13)
 110
 111 # define EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND \
 112             EVP_KDF_HKDF_MODE_EXTRACT_AND_EXPAND
 113 # define EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY       \
 114             EVP_KDF_HKDF_MODE_EXTRACT_ONLY
 115 # define EVP_PKEY_HKDEF_MODE_EXPAND_ONLY        \
 116             EVP_KDF_HKDF_MODE_EXPAND_ONLY
 117
 118 int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md);
 119
 120 int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX *pctx,
 121                                       const unsigned char *sec, int seclen);
 122
 123 int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *pctx,
 124                                     const unsigned char *seed, int seedlen);
 125
 126 # define EVP_PKEY_CTX_set_hkdf_md(pctx, md) \
 127             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 128                               EVP_PKEY_CTRL_HKDF_MD, 0, (void *)(md))
 129
 130 # define EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, saltlen) \
 131             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 132                               EVP_PKEY_CTRL_HKDF_SALT, saltlen, (void *)(salt))
 133
 134 # define EVP_PKEY_CTX_set1_hkdf_key(pctx, key, keylen) \
 135             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 136                               EVP_PKEY_CTRL_HKDF_KEY, keylen, (void *)(key))
 137
 138 # define EVP_PKEY_CTX_add1_hkdf_info(pctx, info, infolen) \
 139             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 140                               EVP_PKEY_CTRL_HKDF_INFO, infolen, (void *)(info))
 141
 142 # define EVP_PKEY_CTX_hkdf_mode(pctx, mode) \
 143             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 144                               EVP_PKEY_CTRL_HKDF_MODE, mode, NULL)
 145
 146 # define EVP_PKEY_CTX_set1_pbe_pass(pctx, pass, passlen) \
 147             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 148                             EVP_PKEY_CTRL_PASS, passlen, (void *)(pass))
 149
 150 # define EVP_PKEY_CTX_set1_scrypt_salt(pctx, salt, saltlen) \
 151             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 152                             EVP_PKEY_CTRL_SCRYPT_SALT, saltlen, (void *)(salt))
 153
 154 # define EVP_PKEY_CTX_set_scrypt_N(pctx, n) \
 155             EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
 156                             EVP_PKEY_CTRL_SCRYPT_N, n)
 157
 158 # define EVP_PKEY_CTX_set_scrypt_r(pctx, r) \
 159             EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
 160                             EVP_PKEY_CTRL_SCRYPT_R, r)
 161
 162 # define EVP_PKEY_CTX_set_scrypt_p(pctx, p) \
 163             EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
 164                             EVP_PKEY_CTRL_SCRYPT_P, p)
 165
 166 # define EVP_PKEY_CTX_set_scrypt_maxmem_bytes(pctx, maxmem_bytes) \
 167             EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
 168                             EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES, maxmem_bytes)
 169
 170
 171 # ifdef __cplusplus
 172 }
 173 # endif
 174 #endif