Add CryptoPkg (from UDK2010.UP3)
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10987 6f19259b-4bc3-4df7-8a09-765794883524
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hhtian
248
CryptoPkg/CryptRuntimeDxe/CryptRuntime.c
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248
CryptoPkg/CryptRuntimeDxe/CryptRuntime.c
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/** @file
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Runtime Cryptographic Driver Implementation, which produce one crypto
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protocol.
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Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "CryptRuntime.h"
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//
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// The handle onto which the Runtime Crypt Protocol instance is installed
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//
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EFI_HANDLE mRuntimeCryptHandle = NULL;
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//
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// The Runtime Crypt Protocol instance produced by this driver
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//
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EFI_RUNTIME_CRYPT_PROTOCOL mRuntimeCryptProtocol = {
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RuntimeCryptSha256GetContextSize,
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RuntimeCryptSha256Init,
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RuntimeCryptSha256Update,
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RuntimeCryptSha256Final,
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RuntimeCryptRsaNew,
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RuntimeCryptRsaFree,
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RuntimeCryptRsaSetKey,
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RuntimeCryptRsaPkcs1Verify
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};
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/**
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Retrieves the size, in bytes, of the context buffer required for SHA-256 operations.
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@return The size, in bytes, of the context buffer required for SHA-256 operations.
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**/
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UINTN
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EFIAPI
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RuntimeCryptSha256GetContextSize (
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VOID
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)
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{
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return Sha256GetContextSize ();
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}
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/**
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Initializes user-supplied memory pointed by Sha256Context as SHA-256 hash context for
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subsequent use.
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If Sha256Context is NULL, then ASSERT().
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@param[in, out] Sha256Context Pointer to SHA-256 Context being initialized.
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@retval TRUE SHA-256 context initialization succeeded.
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@retval FALSE SHA-256 context initialization failed.
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**/
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BOOLEAN
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EFIAPI
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RuntimeCryptSha256Init (
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IN OUT VOID *Sha256Context
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)
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{
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return Sha256Init (Sha256Context);
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}
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/**
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Performs SHA-256 digest on a data buffer of the specified length. This function can
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be called multiple times to compute the digest of long or discontinuous data streams.
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If Sha256Context is NULL, then ASSERT().
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@param[in, out] Sha256Context Pointer to the SHA-256 context.
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@param[in] Data Pointer to the buffer containing the data to be hashed.
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@param[in] DataLength Length of Data buffer in bytes.
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@retval TRUE SHA-256 data digest succeeded.
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@retval FALSE Invalid SHA-256 context. After Sha256Final function has been called, the
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SHA-256 context cannot be reused.
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**/
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BOOLEAN
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EFIAPI
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RuntimeCryptSha256Update (
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IN OUT VOID *Sha256Context,
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IN CONST VOID *Data,
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IN UINTN DataLength
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)
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{
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return Sha256Update (Sha256Context, Data, DataLength);
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}
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/**
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Completes SHA-256 hash computation and retrieves the digest value into the specified
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memory. After this function has been called, the SHA-256 context cannot be used again.
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If Sha256Context is NULL, then ASSERT().
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If HashValue is NULL, then ASSERT().
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@param[in, out] Sha256Context Pointer to SHA-256 context
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@param[out] HashValue Pointer to a buffer that receives the SHA-256 digest
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value (32 bytes).
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@retval TRUE SHA-256 digest computation succeeded.
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@retval FALSE SHA-256 digest computation failed.
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**/
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BOOLEAN
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EFIAPI
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RuntimeCryptSha256Final (
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IN OUT VOID *Sha256Context,
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OUT UINT8 *HashValue
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)
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{
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return Sha256Final (Sha256Context, HashValue);
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}
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/**
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Allocates and Initializes one RSA Context for subsequent use.
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@return Pointer to the RSA Context that has been initialized.
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If the allocations fails, RsaNew() returns NULL.
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**/
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VOID *
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EFIAPI
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RuntimeCryptRsaNew (
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VOID
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)
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{
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return RsaNew ();
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}
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/**
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Release the specified RSA Context.
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@param[in] RsaContext Pointer to the RSA context to be released.
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**/
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VOID
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EFIAPI
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RuntimeCryptRsaFree (
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IN VOID *RsaContext
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)
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{
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RsaFree (RsaContext);
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}
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/**
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Sets the tag-designated RSA key component into the established RSA context from
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the user-specified nonnegative integer (octet string format represented in RSA
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PKCS#1).
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If RsaContext is NULL, then ASSERT().
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@param[in, out] RsaContext Pointer to RSA context being set.
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@param[in] KeyTag Tag of RSA key component being set.
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@param[in] BigNumber Pointer to octet integer buffer.
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@param[in] BnLength Length of big number buffer in bytes.
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@return TRUE RSA key component was set successfully.
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@return FALSE Invalid RSA key component tag.
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**/
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BOOLEAN
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EFIAPI
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RuntimeCryptRsaSetKey (
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IN OUT VOID *RsaContext,
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IN RSA_KEY_TAG KeyTag,
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IN CONST UINT8 *BigNumber,
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IN UINTN BnLength
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)
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{
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return RsaSetKey (RsaContext, KeyTag, BigNumber, BnLength);
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}
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/**
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Verifies the RSA-SSA signature with EMSA-PKCS1-v1_5 encoding scheme defined in
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RSA PKCS#1.
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If RsaContext is NULL, then ASSERT().
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If MessageHash is NULL, then ASSERT().
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If Signature is NULL, then ASSERT().
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If HashLength is not equal to the size of MD5, SHA-1 or SHA-256 digest, then ASSERT().
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@param[in] RsaContext Pointer to RSA context for signature verification.
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@param[in] MessageHash Pointer to octet message hash to be checked.
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@param[in] HashLength Length of the message hash in bytes.
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@param[in] Signature Pointer to RSA PKCS1-v1_5 signature to be verified.
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@param[in] SigLength Length of signature in bytes.
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@return TRUE Valid signature encoded in PKCS1-v1_5.
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@return FALSE Invalid signature or invalid RSA context.
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**/
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BOOLEAN
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EFIAPI
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RuntimeCryptRsaPkcs1Verify (
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IN VOID *RsaContext,
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IN CONST UINT8 *MessageHash,
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IN UINTN HashLength,
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IN UINT8 *Signature,
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IN UINTN SigLength
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)
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{
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return RsaPkcs1Verify (RsaContext, MessageHash, HashLength, Signature, SigLength);
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}
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/**
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Entry Point for Runtime Cryptographic Driver.
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This function installs Runtime Crypt Protocol.
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@param ImageHandle Image handle of this driver.
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@param SystemTable a Pointer to the EFI System Table.
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@retval EFI_SUCEESS Runtime Crypt Protocol is successfully installed
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@return Others Some error occurs when installing Runtime Crypt Protocol.
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**/
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EFI_STATUS
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EFIAPI
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CryptRuntimeDriverInitialize (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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//
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// Install the Runtime Crypt Protocol onto a new handle
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//
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Status = gBS->InstallMultipleProtocolInterfaces (
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&mRuntimeCryptHandle,
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&gEfiRuntimeCryptProtocolGuid,
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&mRuntimeCryptProtocol,
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NULL
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);
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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