include/openssl/kdf.h

   1 /*
   2  * Copyright 2016-2019 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 #ifndef OPENSSL_KDF_H
  11 # define OPENSSL_KDF_H
  12
  13 # include <stdarg.h>
  14 # include <stddef.h>
  15 # include <openssl/types.h>
  16 # include <openssl/core.h>
  17
  18 # ifdef __cplusplus
  19 extern "C" {
  20 # endif
  21
  22 int EVP_KDF_up_ref(EVP_KDF *kdf);
  23 void EVP_KDF_free(EVP_KDF *kdf);
  24 EVP_KDF *EVP_KDF_fetch(OPENSSL_CTX *libctx, const char *algorithm,
  25                        const char *properties);
  26
  27 EVP_KDF_CTX *EVP_KDF_CTX_new(EVP_KDF *kdf);
  28 void EVP_KDF_CTX_free(EVP_KDF_CTX *ctx);
  29 EVP_KDF_CTX *EVP_KDF_CTX_dup(const EVP_KDF_CTX *src);
  30 const char *EVP_KDF_name(const EVP_KDF *kdf);
  31 const OSSL_PROVIDER *EVP_KDF_provider(const EVP_KDF *kdf);
  32 const EVP_KDF *EVP_KDF_CTX_kdf(EVP_KDF_CTX *ctx);
  33
  34 void EVP_KDF_reset(EVP_KDF_CTX *ctx);
  35 size_t EVP_KDF_size(EVP_KDF_CTX *ctx);
  36 int EVP_KDF_derive(EVP_KDF_CTX *ctx, unsigned char *key, size_t keylen);
  37 int EVP_KDF_get_params(EVP_KDF *kdf, OSSL_PARAM params[]);
  38 int EVP_KDF_CTX_get_params(EVP_KDF_CTX *ctx, OSSL_PARAM params[]);
  39 int EVP_KDF_CTX_set_params(EVP_KDF_CTX *ctx, const OSSL_PARAM params[]);
  40 const OSSL_PARAM *EVP_KDF_gettable_params(const EVP_KDF *kdf);
  41 const OSSL_PARAM *EVP_KDF_CTX_gettable_params(const EVP_KDF *kdf);
  42 const OSSL_PARAM *EVP_KDF_CTX_settable_params(const EVP_KDF *kdf);
  43
  44 void EVP_KDF_do_all_ex(OPENSSL_CTX *libctx,
  45                        void (*fn)(EVP_KDF *kdf, void *arg),
  46                        void *arg);
  47
  48 # define EVP_KDF_CTRL_SET_PASS               0x01 /* unsigned char *, size_t */
  49 # define EVP_KDF_CTRL_SET_SALT               0x02 /* unsigned char *, size_t */
  50 # define EVP_KDF_CTRL_SET_ITER               0x03 /* int */
  51 # define EVP_KDF_CTRL_SET_MD                 0x04 /* EVP_MD * */
  52 # define EVP_KDF_CTRL_SET_KEY                0x05 /* unsigned char *, size_t */
  53 # define EVP_KDF_CTRL_SET_MAXMEM_BYTES       0x06 /* uint64_t */
  54 # define EVP_KDF_CTRL_SET_TLS_SECRET         0x07 /* unsigned char *, size_t */
  55 # define EVP_KDF_CTRL_ADD_TLS_SEED           0x08 /* unsigned char *, size_t */
  56 # define EVP_KDF_CTRL_RESET_HKDF_INFO        0x09
  57 # define EVP_KDF_CTRL_ADD_HKDF_INFO          0x0a /* unsigned char *, size_t */
  58 # define EVP_KDF_CTRL_SET_HKDF_MODE          0x0b /* int */
  59 # define EVP_KDF_CTRL_SET_SCRYPT_N           0x0c /* uint64_t */
  60 # define EVP_KDF_CTRL_SET_SCRYPT_R           0x0d /* uint32_t */
  61 # define EVP_KDF_CTRL_SET_SCRYPT_P           0x0e /* uint32_t */
  62 # define EVP_KDF_CTRL_SET_SSHKDF_XCGHASH     0x0f /* unsigned char *, size_t */
  63 # define EVP_KDF_CTRL_SET_SSHKDF_SESSION_ID  0x10 /* unsigned char *, size_t */
  64 # define EVP_KDF_CTRL_SET_SSHKDF_TYPE        0x11 /* int */
  65 # define EVP_KDF_CTRL_SET_MAC                0x12 /* EVP_MAC * */
  66 # define EVP_KDF_CTRL_SET_MAC_SIZE           0x13 /* size_t */
  67 # define EVP_KDF_CTRL_SET_SSKDF_INFO         0x14 /* unsigned char *, size_t */
  68 # define EVP_KDF_CTRL_SET_PBKDF2_PKCS5_MODE  0x15 /* int */
  69 # define EVP_KDF_CTRL_SET_UKM                0x16 /* unsigned char *, size_t */
  70 # define EVP_KDF_CTRL_SET_CEK_ALG            0x17 /* char * */
  71 # define EVP_KDF_CTRL_SET_SHARED_INFO        EVP_KDF_CTRL_SET_SSKDF_INFO
  72
  73 # define EVP_KDF_HKDF_MODE_EXTRACT_AND_EXPAND  0
  74 # define EVP_KDF_HKDF_MODE_EXTRACT_ONLY        1
  75 # define EVP_KDF_HKDF_MODE_EXPAND_ONLY         2
  76
  77 #define EVP_KDF_SSHKDF_TYPE_INITIAL_IV_CLI_TO_SRV     65
  78 #define EVP_KDF_SSHKDF_TYPE_INITIAL_IV_SRV_TO_CLI     66
  79 #define EVP_KDF_SSHKDF_TYPE_ENCRYPTION_KEY_CLI_TO_SRV 67
  80 #define EVP_KDF_SSHKDF_TYPE_ENCRYPTION_KEY_SRV_TO_CLI 68
  81 #define EVP_KDF_SSHKDF_TYPE_INTEGRITY_KEY_CLI_TO_SRV  69
  82 #define EVP_KDF_SSHKDF_TYPE_INTEGRITY_KEY_SRV_TO_CLI  70
  83
  84 /**** The legacy PKEY-based KDF API follows. ****/
  85
  86 # define EVP_PKEY_CTRL_TLS_MD                   (EVP_PKEY_ALG_CTRL)
  87 # define EVP_PKEY_CTRL_TLS_SECRET               (EVP_PKEY_ALG_CTRL + 1)
  88 # define EVP_PKEY_CTRL_TLS_SEED                 (EVP_PKEY_ALG_CTRL + 2)
  89 # define EVP_PKEY_CTRL_HKDF_MD                  (EVP_PKEY_ALG_CTRL + 3)
  90 # define EVP_PKEY_CTRL_HKDF_SALT                (EVP_PKEY_ALG_CTRL + 4)
  91 # define EVP_PKEY_CTRL_HKDF_KEY                 (EVP_PKEY_ALG_CTRL + 5)
  92 # define EVP_PKEY_CTRL_HKDF_INFO                (EVP_PKEY_ALG_CTRL + 6)
  93 # define EVP_PKEY_CTRL_HKDF_MODE                (EVP_PKEY_ALG_CTRL + 7)
  94 # define EVP_PKEY_CTRL_PASS                     (EVP_PKEY_ALG_CTRL + 8)
  95 # define EVP_PKEY_CTRL_SCRYPT_SALT              (EVP_PKEY_ALG_CTRL + 9)
  96 # define EVP_PKEY_CTRL_SCRYPT_N                 (EVP_PKEY_ALG_CTRL + 10)
  97 # define EVP_PKEY_CTRL_SCRYPT_R                 (EVP_PKEY_ALG_CTRL + 11)
  98 # define EVP_PKEY_CTRL_SCRYPT_P                 (EVP_PKEY_ALG_CTRL + 12)
  99 # define EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES      (EVP_PKEY_ALG_CTRL + 13)
 100
 101 # define EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND \
 102             EVP_KDF_HKDF_MODE_EXTRACT_AND_EXPAND
 103 # define EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY       \
 104             EVP_KDF_HKDF_MODE_EXTRACT_ONLY
 105 # define EVP_PKEY_HKDEF_MODE_EXPAND_ONLY        \
 106             EVP_KDF_HKDF_MODE_EXPAND_ONLY
 107
 108 # define EVP_PKEY_CTX_set_tls1_prf_md(pctx, md) \
 109             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 110                               EVP_PKEY_CTRL_TLS_MD, 0, (void *)(md))
 111
 112 # define EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, sec, seclen) \
 113             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 114                               EVP_PKEY_CTRL_TLS_SECRET, seclen, (void *)(sec))
 115
 116 # define EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed, seedlen) \
 117             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 118                               EVP_PKEY_CTRL_TLS_SEED, seedlen, (void *)(seed))
 119
 120 # define EVP_PKEY_CTX_set_hkdf_md(pctx, md) \
 121             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 122                               EVP_PKEY_CTRL_HKDF_MD, 0, (void *)(md))
 123
 124 # define EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, saltlen) \
 125             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 126                               EVP_PKEY_CTRL_HKDF_SALT, saltlen, (void *)(salt))
 127
 128 # define EVP_PKEY_CTX_set1_hkdf_key(pctx, key, keylen) \
 129             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 130                               EVP_PKEY_CTRL_HKDF_KEY, keylen, (void *)(key))
 131
 132 # define EVP_PKEY_CTX_add1_hkdf_info(pctx, info, infolen) \
 133             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 134                               EVP_PKEY_CTRL_HKDF_INFO, infolen, (void *)(info))
 135
 136 # define EVP_PKEY_CTX_hkdf_mode(pctx, mode) \
 137             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 138                               EVP_PKEY_CTRL_HKDF_MODE, mode, NULL)
 139
 140 # define EVP_PKEY_CTX_set1_pbe_pass(pctx, pass, passlen) \
 141             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 142                             EVP_PKEY_CTRL_PASS, passlen, (void *)(pass))
 143
 144 # define EVP_PKEY_CTX_set1_scrypt_salt(pctx, salt, saltlen) \
 145             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
 146                             EVP_PKEY_CTRL_SCRYPT_SALT, saltlen, (void *)(salt))
 147
 148 # define EVP_PKEY_CTX_set_scrypt_N(pctx, n) \
 149             EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
 150                             EVP_PKEY_CTRL_SCRYPT_N, n)
 151
 152 # define EVP_PKEY_CTX_set_scrypt_r(pctx, r) \
 153             EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
 154                             EVP_PKEY_CTRL_SCRYPT_R, r)
 155
 156 # define EVP_PKEY_CTX_set_scrypt_p(pctx, p) \
 157             EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
 158                             EVP_PKEY_CTRL_SCRYPT_P, p)
 159
 160 # define EVP_PKEY_CTX_set_scrypt_maxmem_bytes(pctx, maxmem_bytes) \
 161             EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
 162                             EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES, maxmem_bytes)
 163
 164
 165 # ifdef __cplusplus
 166 }
 167 # endif
 168 #endif