mirror of https://github.com/acidanthera/audk.git
422 lines
12 KiB
C
422 lines
12 KiB
C
/** @file
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HMAC-SHA256 KDF Wrapper Implementation over OpenSSL.
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Copyright (c) 2018 - 2022, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "InternalCryptLib.h"
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#include <openssl/evp.h>
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#include <openssl/kdf.h>
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/**
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Derive HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
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@param[in] Md Message Digest.
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@param[in] Key Pointer to the user-supplied key.
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@param[in] KeySize Key size in bytes.
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@param[in] Salt Pointer to the salt(non-secret) value.
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@param[in] SaltSize Salt size in bytes.
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@param[in] Info Pointer to the application specific info.
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@param[in] InfoSize Info size in bytes.
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@param[out] Out Pointer to buffer to receive hkdf value.
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@param[in] OutSize Size of hkdf bytes to generate.
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@retval TRUE Hkdf generated successfully.
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@retval FALSE Hkdf generation failed.
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**/
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STATIC
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BOOLEAN
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HkdfMdExtractAndExpand (
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IN CONST EVP_MD *Md,
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IN CONST UINT8 *Key,
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IN UINTN KeySize,
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IN CONST UINT8 *Salt,
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IN UINTN SaltSize,
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IN CONST UINT8 *Info,
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IN UINTN InfoSize,
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OUT UINT8 *Out,
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IN UINTN OutSize
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)
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{
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EVP_PKEY_CTX *pHkdfCtx;
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BOOLEAN Result;
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if ((Key == NULL) || (Salt == NULL) || (Info == NULL) || (Out == NULL) ||
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(KeySize > INT_MAX) || (SaltSize > INT_MAX) || (InfoSize > INT_MAX) || (OutSize > INT_MAX))
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{
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return FALSE;
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}
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pHkdfCtx = EVP_PKEY_CTX_new_id (EVP_PKEY_HKDF, NULL);
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if (pHkdfCtx == NULL) {
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return FALSE;
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}
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Result = EVP_PKEY_derive_init (pHkdfCtx) > 0;
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if (Result) {
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Result = EVP_PKEY_CTX_set_hkdf_md (pHkdfCtx, Md) > 0;
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}
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if (Result) {
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Result = EVP_PKEY_CTX_set1_hkdf_salt (pHkdfCtx, Salt, (UINT32)SaltSize) > 0;
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}
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if (Result) {
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Result = EVP_PKEY_CTX_set1_hkdf_key (pHkdfCtx, Key, (UINT32)KeySize) > 0;
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}
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if (Result) {
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Result = EVP_PKEY_CTX_add1_hkdf_info (pHkdfCtx, Info, (UINT32)InfoSize) > 0;
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}
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if (Result) {
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Result = EVP_PKEY_derive (pHkdfCtx, Out, &OutSize) > 0;
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}
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EVP_PKEY_CTX_free (pHkdfCtx);
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pHkdfCtx = NULL;
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return Result;
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}
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/**
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Derive HMAC-based Extract key Derivation Function (HKDF).
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@param[in] Md message digest.
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@param[in] Key Pointer to the user-supplied key.
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@param[in] KeySize key size in bytes.
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@param[in] Salt Pointer to the salt(non-secret) value.
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@param[in] SaltSize salt size in bytes.
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@param[out] PrkOut Pointer to buffer to receive hkdf value.
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@param[in] PrkOutSize size of hkdf bytes to generate.
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@retval true Hkdf generated successfully.
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@retval false Hkdf generation failed.
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**/
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STATIC
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BOOLEAN
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HkdfMdExtract (
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IN CONST EVP_MD *Md,
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IN CONST UINT8 *Key,
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IN UINTN KeySize,
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IN CONST UINT8 *Salt,
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IN UINTN SaltSize,
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OUT UINT8 *PrkOut,
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UINTN PrkOutSize
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)
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{
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EVP_PKEY_CTX *pHkdfCtx;
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BOOLEAN Result;
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if ((Key == NULL) || (Salt == NULL) || (PrkOut == NULL) ||
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(KeySize > INT_MAX) || (SaltSize > INT_MAX) ||
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(PrkOutSize > INT_MAX))
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{
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return FALSE;
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}
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pHkdfCtx = EVP_PKEY_CTX_new_id (EVP_PKEY_HKDF, NULL);
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if (pHkdfCtx == NULL) {
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return FALSE;
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}
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Result = EVP_PKEY_derive_init (pHkdfCtx) > 0;
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if (Result) {
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Result = EVP_PKEY_CTX_set_hkdf_md (pHkdfCtx, Md) > 0;
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}
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if (Result) {
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Result =
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EVP_PKEY_CTX_hkdf_mode (
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pHkdfCtx,
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EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY
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) > 0;
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}
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if (Result) {
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Result = EVP_PKEY_CTX_set1_hkdf_salt (
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pHkdfCtx,
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Salt,
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(uint32_t)SaltSize
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) > 0;
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}
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if (Result) {
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Result = EVP_PKEY_CTX_set1_hkdf_key (
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pHkdfCtx,
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Key,
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(uint32_t)KeySize
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) > 0;
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}
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if (Result) {
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Result = EVP_PKEY_derive (pHkdfCtx, PrkOut, &PrkOutSize) > 0;
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}
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EVP_PKEY_CTX_free (pHkdfCtx);
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pHkdfCtx = NULL;
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return Result;
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}
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/**
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Derive SHA256 HMAC-based Expand Key Derivation Function (HKDF).
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@param[in] Md Message Digest.
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@param[in] Prk Pointer to the user-supplied key.
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@param[in] PrkSize Key size in bytes.
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@param[in] Info Pointer to the application specific info.
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@param[in] InfoSize Info size in bytes.
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@param[out] Out Pointer to buffer to receive hkdf value.
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@param[in] OutSize Size of hkdf bytes to generate.
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@retval TRUE Hkdf generated successfully.
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@retval FALSE Hkdf generation failed.
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**/
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STATIC
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BOOLEAN
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HkdfMdExpand (
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IN CONST EVP_MD *Md,
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IN CONST UINT8 *Prk,
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IN UINTN PrkSize,
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IN CONST UINT8 *Info,
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IN UINTN InfoSize,
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OUT UINT8 *Out,
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IN UINTN OutSize
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)
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{
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EVP_PKEY_CTX *pHkdfCtx;
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BOOLEAN Result;
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if ((Prk == NULL) || (Info == NULL) || (Out == NULL) ||
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(PrkSize > INT_MAX) || (InfoSize > INT_MAX) || (OutSize > INT_MAX))
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{
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return FALSE;
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}
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pHkdfCtx = EVP_PKEY_CTX_new_id (EVP_PKEY_HKDF, NULL);
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if (pHkdfCtx == NULL) {
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return FALSE;
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}
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Result = EVP_PKEY_derive_init (pHkdfCtx) > 0;
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if (Result) {
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Result = EVP_PKEY_CTX_set_hkdf_md (pHkdfCtx, Md) > 0;
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}
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if (Result) {
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Result = EVP_PKEY_CTX_hkdf_mode (pHkdfCtx, EVP_PKEY_HKDEF_MODE_EXPAND_ONLY) > 0;
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}
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if (Result) {
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Result = EVP_PKEY_CTX_set1_hkdf_key (pHkdfCtx, Prk, (UINT32)PrkSize) > 0;
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}
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if (Result) {
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Result = EVP_PKEY_CTX_add1_hkdf_info (pHkdfCtx, Info, (UINT32)InfoSize) > 0;
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}
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if (Result) {
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Result = EVP_PKEY_derive (pHkdfCtx, Out, &OutSize) > 0;
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}
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EVP_PKEY_CTX_free (pHkdfCtx);
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pHkdfCtx = NULL;
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return Result;
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}
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/**
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Derive HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
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@param[in] Key Pointer to the user-supplied key.
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@param[in] KeySize Key size in bytes.
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@param[in] Salt Pointer to the salt(non-secret) value.
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@param[in] SaltSize Salt size in bytes.
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@param[in] Info Pointer to the application specific info.
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@param[in] InfoSize Info size in bytes.
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@param[out] Out Pointer to buffer to receive hkdf value.
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@param[in] OutSize Size of hkdf bytes to generate.
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@retval TRUE Hkdf generated successfully.
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@retval FALSE Hkdf generation failed.
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**/
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BOOLEAN
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EFIAPI
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HkdfSha256ExtractAndExpand (
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IN CONST UINT8 *Key,
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IN UINTN KeySize,
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IN CONST UINT8 *Salt,
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IN UINTN SaltSize,
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IN CONST UINT8 *Info,
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IN UINTN InfoSize,
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OUT UINT8 *Out,
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IN UINTN OutSize
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)
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{
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return HkdfMdExtractAndExpand (EVP_sha256 (), Key, KeySize, Salt, SaltSize, Info, InfoSize, Out, OutSize);
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}
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/**
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Derive SHA256 HMAC-based Extract key Derivation Function (HKDF).
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@param[in] Key Pointer to the user-supplied key.
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@param[in] KeySize key size in bytes.
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@param[in] Salt Pointer to the salt(non-secret) value.
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@param[in] SaltSize salt size in bytes.
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@param[out] PrkOut Pointer to buffer to receive hkdf value.
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@param[in] PrkOutSize size of hkdf bytes to generate.
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@retval true Hkdf generated successfully.
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@retval false Hkdf generation failed.
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**/
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BOOLEAN
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EFIAPI
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HkdfSha256Extract (
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IN CONST UINT8 *Key,
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IN UINTN KeySize,
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IN CONST UINT8 *Salt,
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IN UINTN SaltSize,
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OUT UINT8 *PrkOut,
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UINTN PrkOutSize
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)
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{
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return HkdfMdExtract (
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EVP_sha256 (),
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Key,
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KeySize,
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Salt,
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SaltSize,
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PrkOut,
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PrkOutSize
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);
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}
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/**
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Derive SHA256 HMAC-based Expand Key Derivation Function (HKDF).
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@param[in] Prk Pointer to the user-supplied key.
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@param[in] PrkSize Key size in bytes.
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@param[in] Info Pointer to the application specific info.
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@param[in] InfoSize Info size in bytes.
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@param[out] Out Pointer to buffer to receive hkdf value.
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@param[in] OutSize Size of hkdf bytes to generate.
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@retval TRUE Hkdf generated successfully.
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@retval FALSE Hkdf generation failed.
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**/
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BOOLEAN
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EFIAPI
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HkdfSha256Expand (
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IN CONST UINT8 *Prk,
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IN UINTN PrkSize,
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IN CONST UINT8 *Info,
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IN UINTN InfoSize,
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OUT UINT8 *Out,
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IN UINTN OutSize
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)
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{
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return HkdfMdExpand (EVP_sha256 (), Prk, PrkSize, Info, InfoSize, Out, OutSize);
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}
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/**
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Derive SHA384 HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
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@param[in] Key Pointer to the user-supplied key.
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@param[in] KeySize Key size in bytes.
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@param[in] Salt Pointer to the salt(non-secret) value.
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@param[in] SaltSize Salt size in bytes.
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@param[in] Info Pointer to the application specific info.
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@param[in] InfoSize Info size in bytes.
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@param[out] Out Pointer to buffer to receive hkdf value.
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@param[in] OutSize Size of hkdf bytes to generate.
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@retval TRUE Hkdf generated successfully.
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@retval FALSE Hkdf generation failed.
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**/
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BOOLEAN
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EFIAPI
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HkdfSha384ExtractAndExpand (
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IN CONST UINT8 *Key,
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IN UINTN KeySize,
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IN CONST UINT8 *Salt,
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IN UINTN SaltSize,
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IN CONST UINT8 *Info,
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IN UINTN InfoSize,
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OUT UINT8 *Out,
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IN UINTN OutSize
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)
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{
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return HkdfMdExtractAndExpand (EVP_sha384 (), Key, KeySize, Salt, SaltSize, Info, InfoSize, Out, OutSize);
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}
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/**
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Derive SHA384 HMAC-based Extract key Derivation Function (HKDF).
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@param[in] Key Pointer to the user-supplied key.
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@param[in] KeySize key size in bytes.
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@param[in] Salt Pointer to the salt(non-secret) value.
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@param[in] SaltSize salt size in bytes.
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@param[out] PrkOut Pointer to buffer to receive hkdf value.
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@param[in] PrkOutSize size of hkdf bytes to generate.
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@retval true Hkdf generated successfully.
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@retval false Hkdf generation failed.
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**/
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BOOLEAN
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EFIAPI
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HkdfSha384Extract (
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IN CONST UINT8 *Key,
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IN UINTN KeySize,
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IN CONST UINT8 *Salt,
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IN UINTN SaltSize,
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OUT UINT8 *PrkOut,
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UINTN PrkOutSize
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)
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{
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return HkdfMdExtract (
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EVP_sha384 (),
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Key,
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KeySize,
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Salt,
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SaltSize,
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PrkOut,
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PrkOutSize
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);
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}
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/**
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Derive SHA384 HMAC-based Expand Key Derivation Function (HKDF).
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@param[in] Prk Pointer to the user-supplied key.
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@param[in] PrkSize Key size in bytes.
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@param[in] Info Pointer to the application specific info.
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@param[in] InfoSize Info size in bytes.
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@param[out] Out Pointer to buffer to receive hkdf value.
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@param[in] OutSize Size of hkdf bytes to generate.
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@retval TRUE Hkdf generated successfully.
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@retval FALSE Hkdf generation failed.
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**/
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BOOLEAN
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EFIAPI
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HkdfSha384Expand (
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IN CONST UINT8 *Prk,
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IN UINTN PrkSize,
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IN CONST UINT8 *Info,
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IN UINTN InfoSize,
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OUT UINT8 *Out,
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IN UINTN OutSize
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)
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{
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return HkdfMdExpand (EVP_sha384 (), Prk, PrkSize, Info, InfoSize, Out, OutSize);
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}
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