]>
git.ipfire.org Git - thirdparty/openssl.git/blob - include/openssl/kdf.h
2 * Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
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
11 # define OPENSSL_KDF_H
14 # include <openssl/macros.h>
15 # ifndef OPENSSL_NO_DEPRECATED_3_0
21 # include <openssl/types.h>
22 # include <openssl/core.h>
28 int EVP_KDF_up_ref(EVP_KDF
*kdf
);
29 void EVP_KDF_free(EVP_KDF
*kdf
);
30 EVP_KDF
*EVP_KDF_fetch(OSSL_LIB_CTX
*libctx
, const char *algorithm
,
31 const char *properties
);
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 char *EVP_KDF_name(const EVP_KDF
*kdf
);
39 const OSSL_PROVIDER
*EVP_KDF_provider(const EVP_KDF
*kdf
);
40 const EVP_KDF
*EVP_KDF_CTX_kdf(EVP_KDF_CTX
*ctx
);
42 void EVP_KDF_CTX_reset(EVP_KDF_CTX
*ctx
);
43 size_t EVP_KDF_CTX_get_kdf_size(EVP_KDF_CTX
*ctx
);
44 int EVP_KDF_derive(EVP_KDF_CTX
*ctx
, unsigned char *key
, size_t keylen
);
45 int EVP_KDF_get_params(EVP_KDF
*kdf
, OSSL_PARAM params
[]);
46 int EVP_KDF_CTX_get_params(EVP_KDF_CTX
*ctx
, OSSL_PARAM params
[]);
47 int EVP_KDF_CTX_set_params(EVP_KDF_CTX
*ctx
, const OSSL_PARAM params
[]);
48 const OSSL_PARAM
*EVP_KDF_gettable_params(const EVP_KDF
*kdf
);
49 const OSSL_PARAM
*EVP_KDF_gettable_ctx_params(const EVP_KDF
*kdf
);
50 const OSSL_PARAM
*EVP_KDF_settable_ctx_params(const EVP_KDF
*kdf
);
52 void EVP_KDF_do_all_provided(OSSL_LIB_CTX
*libctx
,
53 void (*fn
)(EVP_KDF
*kdf
, void *arg
),
55 int EVP_KDF_names_do_all(const EVP_KDF
*kdf
,
56 void (*fn
)(const char *name
, void *data
),
59 # define EVP_KDF_HKDF_MODE_EXTRACT_AND_EXPAND 0
60 # define EVP_KDF_HKDF_MODE_EXTRACT_ONLY 1
61 # define EVP_KDF_HKDF_MODE_EXPAND_ONLY 2
63 #define EVP_KDF_SSHKDF_TYPE_INITIAL_IV_CLI_TO_SRV 65
64 #define EVP_KDF_SSHKDF_TYPE_INITIAL_IV_SRV_TO_CLI 66
65 #define EVP_KDF_SSHKDF_TYPE_ENCRYPTION_KEY_CLI_TO_SRV 67
66 #define EVP_KDF_SSHKDF_TYPE_ENCRYPTION_KEY_SRV_TO_CLI 68
67 #define EVP_KDF_SSHKDF_TYPE_INTEGRITY_KEY_CLI_TO_SRV 69
68 #define EVP_KDF_SSHKDF_TYPE_INTEGRITY_KEY_SRV_TO_CLI 70
70 /**** The legacy PKEY-based KDF API follows. ****/
72 # define EVP_PKEY_CTRL_TLS_MD (EVP_PKEY_ALG_CTRL)
73 # define EVP_PKEY_CTRL_TLS_SECRET (EVP_PKEY_ALG_CTRL + 1)
74 # define EVP_PKEY_CTRL_TLS_SEED (EVP_PKEY_ALG_CTRL + 2)
75 # define EVP_PKEY_CTRL_HKDF_MD (EVP_PKEY_ALG_CTRL + 3)
76 # define EVP_PKEY_CTRL_HKDF_SALT (EVP_PKEY_ALG_CTRL + 4)
77 # define EVP_PKEY_CTRL_HKDF_KEY (EVP_PKEY_ALG_CTRL + 5)
78 # define EVP_PKEY_CTRL_HKDF_INFO (EVP_PKEY_ALG_CTRL + 6)
79 # define EVP_PKEY_CTRL_HKDF_MODE (EVP_PKEY_ALG_CTRL + 7)
80 # define EVP_PKEY_CTRL_PASS (EVP_PKEY_ALG_CTRL + 8)
81 # define EVP_PKEY_CTRL_SCRYPT_SALT (EVP_PKEY_ALG_CTRL + 9)
82 # define EVP_PKEY_CTRL_SCRYPT_N (EVP_PKEY_ALG_CTRL + 10)
83 # define EVP_PKEY_CTRL_SCRYPT_R (EVP_PKEY_ALG_CTRL + 11)
84 # define EVP_PKEY_CTRL_SCRYPT_P (EVP_PKEY_ALG_CTRL + 12)
85 # define EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES (EVP_PKEY_ALG_CTRL + 13)
87 # define EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND \
88 EVP_KDF_HKDF_MODE_EXTRACT_AND_EXPAND
89 # define EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY \
90 EVP_KDF_HKDF_MODE_EXTRACT_ONLY
91 # define EVP_PKEY_HKDEF_MODE_EXPAND_ONLY \
92 EVP_KDF_HKDF_MODE_EXPAND_ONLY
94 int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
*md
);
96 int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX
*pctx
,
97 const unsigned char *sec
, int seclen
);
99 int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX
*pctx
,
100 const unsigned char *seed
, int seedlen
);
102 int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
*md
);
104 int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX
*ctx
,
105 const unsigned char *salt
, int saltlen
);
107 int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX
*ctx
,
108 const unsigned char *key
, int keylen
);
110 int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX
*ctx
,
111 const unsigned char *info
, int infolen
);
113 int EVP_PKEY_CTX_hkdf_mode(EVP_PKEY_CTX
*ctx
, int mode
);
115 int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX
*ctx
, const char *pass
,
118 int EVP_PKEY_CTX_set1_scrypt_salt(EVP_PKEY_CTX
*ctx
,
119 const unsigned char *salt
, int saltlen
);
121 int EVP_PKEY_CTX_set_scrypt_N(EVP_PKEY_CTX
*ctx
, uint64_t n
);
123 int EVP_PKEY_CTX_set_scrypt_r(EVP_PKEY_CTX
*ctx
, uint64_t r
);
125 int EVP_PKEY_CTX_set_scrypt_p(EVP_PKEY_CTX
*ctx
, uint64_t p
);
127 int EVP_PKEY_CTX_set_scrypt_maxmem_bytes(EVP_PKEY_CTX
*ctx
,
128 uint64_t maxmem_bytes
);