| /* |
| * Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the Apache License 2.0 (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| #ifndef OPENSSL_KDF_H |
| # define OPENSSL_KDF_H |
| # pragma once |
| |
| # include <openssl/macros.h> |
| # ifndef OPENSSL_NO_DEPRECATED_3_0 |
| # define HEADER_KDF_H |
| # endif |
| |
| # include <stdarg.h> |
| # include <stddef.h> |
| # include <openssl/types.h> |
| # include <openssl/core.h> |
| |
| # ifdef __cplusplus |
| extern "C" { |
| # endif |
| |
| int EVP_KDF_up_ref(EVP_KDF *kdf); |
| void EVP_KDF_free(EVP_KDF *kdf); |
| EVP_KDF *EVP_KDF_fetch(OSSL_LIB_CTX *libctx, const char *algorithm, |
| const char *properties); |
| |
| EVP_KDF_CTX *EVP_KDF_CTX_new(EVP_KDF *kdf); |
| void EVP_KDF_CTX_free(EVP_KDF_CTX *ctx); |
| EVP_KDF_CTX *EVP_KDF_CTX_dup(const EVP_KDF_CTX *src); |
| const char *EVP_KDF_get0_description(const EVP_KDF *kdf); |
| int EVP_KDF_is_a(const EVP_KDF *kdf, const char *name); |
| const char *EVP_KDF_get0_name(const EVP_KDF *kdf); |
| const OSSL_PROVIDER *EVP_KDF_get0_provider(const EVP_KDF *kdf); |
| const EVP_KDF *EVP_KDF_CTX_kdf(EVP_KDF_CTX *ctx); |
| |
| void EVP_KDF_CTX_reset(EVP_KDF_CTX *ctx); |
| size_t EVP_KDF_CTX_get_kdf_size(EVP_KDF_CTX *ctx); |
| int EVP_KDF_derive(EVP_KDF_CTX *ctx, unsigned char *key, size_t keylen, |
| const OSSL_PARAM params[]); |
| int EVP_KDF_get_params(EVP_KDF *kdf, OSSL_PARAM params[]); |
| int EVP_KDF_CTX_get_params(EVP_KDF_CTX *ctx, OSSL_PARAM params[]); |
| int EVP_KDF_CTX_set_params(EVP_KDF_CTX *ctx, const OSSL_PARAM params[]); |
| const OSSL_PARAM *EVP_KDF_gettable_params(const EVP_KDF *kdf); |
| const OSSL_PARAM *EVP_KDF_gettable_ctx_params(const EVP_KDF *kdf); |
| const OSSL_PARAM *EVP_KDF_settable_ctx_params(const EVP_KDF *kdf); |
| const OSSL_PARAM *EVP_KDF_CTX_gettable_params(EVP_KDF_CTX *ctx); |
| const OSSL_PARAM *EVP_KDF_CTX_settable_params(EVP_KDF_CTX *ctx); |
| |
| void EVP_KDF_do_all_provided(OSSL_LIB_CTX *libctx, |
| void (*fn)(EVP_KDF *kdf, void *arg), |
| void *arg); |
| int EVP_KDF_names_do_all(const EVP_KDF *kdf, |
| void (*fn)(const char *name, void *data), |
| void *data); |
| |
| # define EVP_KDF_HKDF_MODE_EXTRACT_AND_EXPAND 0 |
| # define EVP_KDF_HKDF_MODE_EXTRACT_ONLY 1 |
| # define EVP_KDF_HKDF_MODE_EXPAND_ONLY 2 |
| |
| #define EVP_KDF_SSHKDF_TYPE_INITIAL_IV_CLI_TO_SRV 65 |
| #define EVP_KDF_SSHKDF_TYPE_INITIAL_IV_SRV_TO_CLI 66 |
| #define EVP_KDF_SSHKDF_TYPE_ENCRYPTION_KEY_CLI_TO_SRV 67 |
| #define EVP_KDF_SSHKDF_TYPE_ENCRYPTION_KEY_SRV_TO_CLI 68 |
| #define EVP_KDF_SSHKDF_TYPE_INTEGRITY_KEY_CLI_TO_SRV 69 |
| #define EVP_KDF_SSHKDF_TYPE_INTEGRITY_KEY_SRV_TO_CLI 70 |
| |
| /**** The legacy PKEY-based KDF API follows. ****/ |
| |
| # define EVP_PKEY_CTRL_TLS_MD (EVP_PKEY_ALG_CTRL) |
| # define EVP_PKEY_CTRL_TLS_SECRET (EVP_PKEY_ALG_CTRL + 1) |
| # define EVP_PKEY_CTRL_TLS_SEED (EVP_PKEY_ALG_CTRL + 2) |
| # define EVP_PKEY_CTRL_HKDF_MD (EVP_PKEY_ALG_CTRL + 3) |
| # define EVP_PKEY_CTRL_HKDF_SALT (EVP_PKEY_ALG_CTRL + 4) |
| # define EVP_PKEY_CTRL_HKDF_KEY (EVP_PKEY_ALG_CTRL + 5) |
| # define EVP_PKEY_CTRL_HKDF_INFO (EVP_PKEY_ALG_CTRL + 6) |
| # define EVP_PKEY_CTRL_HKDF_MODE (EVP_PKEY_ALG_CTRL + 7) |
| # define EVP_PKEY_CTRL_PASS (EVP_PKEY_ALG_CTRL + 8) |
| # define EVP_PKEY_CTRL_SCRYPT_SALT (EVP_PKEY_ALG_CTRL + 9) |
| # define EVP_PKEY_CTRL_SCRYPT_N (EVP_PKEY_ALG_CTRL + 10) |
| # define EVP_PKEY_CTRL_SCRYPT_R (EVP_PKEY_ALG_CTRL + 11) |
| # define EVP_PKEY_CTRL_SCRYPT_P (EVP_PKEY_ALG_CTRL + 12) |
| # define EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES (EVP_PKEY_ALG_CTRL + 13) |
| |
| # define EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND \ |
| EVP_KDF_HKDF_MODE_EXTRACT_AND_EXPAND |
| # define EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY \ |
| EVP_KDF_HKDF_MODE_EXTRACT_ONLY |
| # define EVP_PKEY_HKDEF_MODE_EXPAND_ONLY \ |
| EVP_KDF_HKDF_MODE_EXPAND_ONLY |
| |
| int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md); |
| |
| int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX *pctx, |
| const unsigned char *sec, int seclen); |
| |
| int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *pctx, |
| const unsigned char *seed, int seedlen); |
| |
| int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md); |
| |
| int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX *ctx, |
| const unsigned char *salt, int saltlen); |
| |
| int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX *ctx, |
| const unsigned char *key, int keylen); |
| |
| int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX *ctx, |
| const unsigned char *info, int infolen); |
| |
| int EVP_PKEY_CTX_set_hkdf_mode(EVP_PKEY_CTX *ctx, int mode); |
| # define EVP_PKEY_CTX_hkdf_mode EVP_PKEY_CTX_set_hkdf_mode |
| |
| int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX *ctx, const char *pass, |
| int passlen); |
| |
| int EVP_PKEY_CTX_set1_scrypt_salt(EVP_PKEY_CTX *ctx, |
| const unsigned char *salt, int saltlen); |
| |
| int EVP_PKEY_CTX_set_scrypt_N(EVP_PKEY_CTX *ctx, uint64_t n); |
| |
| int EVP_PKEY_CTX_set_scrypt_r(EVP_PKEY_CTX *ctx, uint64_t r); |
| |
| int EVP_PKEY_CTX_set_scrypt_p(EVP_PKEY_CTX *ctx, uint64_t p); |
| |
| int EVP_PKEY_CTX_set_scrypt_maxmem_bytes(EVP_PKEY_CTX *ctx, |
| uint64_t maxmem_bytes); |
| |
| |
| # ifdef __cplusplus |
| } |
| # endif |
| #endif |