/* * 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