/*
* Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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 HEADER_KDF_H
# define HEADER_KDF_H
# include <openssl/ossl_typ.h>
# include <openssl/kdferr.h>
# ifdef __cplusplus
extern "C" {
# endif
# define EVP_KDF_PBKDF2 NID_id_pbkdf2
# define EVP_KDF_SCRYPT NID_id_scrypt
# define EVP_KDF_TLS1_PRF NID_tls1_prf
# define EVP_KDF_HKDF NID_hkdf
# define EVP_KDF_SSHKDF NID_sshkdf
# define EVP_KDF_KB NID_kbkdf
# define EVP_KDF_KRB5KDF NID_krb5kdf
# define EVP_KDF_SS NID_sskdf
EVP_KDF_CTX *EVP_KDF_CTX_new_id(int id);
void EVP_KDF_CTX_free(EVP_KDF_CTX *ctx);
void EVP_KDF_reset(EVP_KDF_CTX *ctx);
int EVP_KDF_ctrl(EVP_KDF_CTX *ctx, int cmd, ...);
int EVP_KDF_vctrl(EVP_KDF_CTX *ctx, int cmd, va_list args);
int EVP_KDF_ctrl_str(EVP_KDF_CTX *ctx, const char *type, const char *value);
size_t EVP_KDF_size(EVP_KDF_CTX *ctx);
int EVP_KDF_derive(EVP_KDF_CTX *ctx, unsigned char *key, size_t keylen);
# define EVP_KDF_CTRL_SET_PASS 0x01 /* unsigned char *, size_t */
# define EVP_KDF_CTRL_SET_SALT 0x02 /* unsigned char *, size_t */
# define EVP_KDF_CTRL_SET_ITER 0x03 /* int */
# define EVP_KDF_CTRL_SET_MD 0x04 /* EVP_MD * */
# define EVP_KDF_CTRL_SET_KEY 0x05 /* unsigned char *, size_t */
# define EVP_KDF_CTRL_SET_MAXMEM_BYTES 0x06 /* uint64_t */
# define EVP_KDF_CTRL_SET_TLS_SECRET 0x07 /* unsigned char *, size_t */
# define EVP_KDF_CTRL_RESET_TLS_SEED 0x08
# define EVP_KDF_CTRL_ADD_TLS_SEED 0x09 /* unsigned char *, size_t */
# define EVP_KDF_CTRL_RESET_HKDF_INFO 0x0a
# define EVP_KDF_CTRL_ADD_HKDF_INFO 0x0b /* unsigned char *, size_t */
# define EVP_KDF_CTRL_SET_HKDF_MODE 0x0c /* int */
# define EVP_KDF_CTRL_SET_SCRYPT_N 0x0d /* uint64_t */
# define EVP_KDF_CTRL_SET_SCRYPT_R 0x0e /* uint32_t */
# define EVP_KDF_CTRL_SET_SCRYPT_P 0x0f /* uint32_t */
# define EVP_KDF_CTRL_SET_SSHKDF_XCGHASH 0x10 /* unsigned char *, size_t */
# define EVP_KDF_CTRL_SET_SSHKDF_SESSION_ID 0x11 /* unsigned char *, size_t */
# define EVP_KDF_CTRL_SET_SSHKDF_TYPE 0x12 /* int */
# define EVP_KDF_CTRL_SET_KB_MODE 0x13 /* int */
# define EVP_KDF_CTRL_SET_KB_MAC_TYPE 0x14 /* int */
# define EVP_KDF_CTRL_SET_CIPHER 0x15 /* EVP_CIPHER * */
# define EVP_KDF_CTRL_SET_KB_INFO 0x16 /* unsigned char *, size_t */
# define EVP_KDF_CTRL_SET_KB_SEED 0x17 /* unsigned char *, size_t */
# define EVP_KDF_CTRL_SET_KRB5KDF_CONSTANT 0x18 /* unsigned char *, size_t */
# define EVP_KDF_CTRL_SET_SSKDF_INFO 0x19 /* unsigned char *, size_t */
# 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
#define EVP_KDF_KB_MODE_COUNTER 0
#define EVP_KDF_KB_MODE_FEEDBACK 1
#define EVP_KDF_KB_MAC_TYPE_HMAC 0
#define EVP_KDF_KB_MAC_TYPE_CMAC 1
/**** 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
# define EVP_PKEY_CTX_set_tls1_prf_md(pctx, md) \
EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_TLS_MD, 0, (void *)(md))
# define EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, sec, seclen) \
EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_TLS_SECRET, seclen, (void *)(sec))
# define EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed, seedlen) \
EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_TLS_SEED, seedlen, (void *)(seed))
# define EVP_PKEY_CTX_set_hkdf_md(pctx, md) \
EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_HKDF_MD, 0, (void *)(md))
# define EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, saltlen) \
EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_HKDF_SALT, saltlen, (void *)(salt))
# define EVP_PKEY_CTX_set1_hkdf_key(pctx, key, keylen) \
EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_HKDF_KEY, keylen, (void *)(key))
# define EVP_PKEY_CTX_add1_hkdf_info(pctx, info, infolen) \
EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_HKDF_INFO, infolen, (void *)(info))
# define EVP_PKEY_CTX_hkdf_mode(pctx, mode) \
EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_HKDF_MODE, mode, NULL)
# define EVP_PKEY_CTX_set1_pbe_pass(pctx, pass, passlen) \
EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_PASS, passlen, (void *)(pass))
# define EVP_PKEY_CTX_set1_scrypt_salt(pctx, salt, saltlen) \
EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_SCRYPT_SALT, saltlen, (void *)(salt))
# define EVP_PKEY_CTX_set_scrypt_N(pctx, n) \
EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_SCRYPT_N, n)
# define EVP_PKEY_CTX_set_scrypt_r(pctx, r) \
EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_SCRYPT_R, r)
# define EVP_PKEY_CTX_set_scrypt_p(pctx, p) \
EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_SCRYPT_P, p)
# define EVP_PKEY_CTX_set_scrypt_maxmem_bytes(pctx, maxmem_bytes) \
EVP_PKEY_CTX_ctrl_uint64(pctx, -1, EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES, maxmem_bytes)
# ifdef __cplusplus
}
# endif
#endif