SecurityPkg/SecureBoot: Support RSA4096 and RSA3072

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3413

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Min Xu <min.m.xu@intel.com>
Cc: Zeyi Chen <zeyi.chen@intel.com>
Cc: Fiona Wang <fiona.wang@intel.com>
Signed-off-by: Sheng Wei <w.sheng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

3 files changed, 221 insertions, 50 deletions

diff --git a/SecurityPkg/Library/AuthVariableLib/AuthService.c b/SecurityPkg/Library/AuthVariableLib/AuthService.c
index d81c581d78..20fb2757d7 100644
--- a/SecurityPkg/Library/AuthVariableLib/AuthService.c
+++ b/SecurityPkg/Library/AuthVariableLib/AuthService.c
@@ -29,12 +29,125 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #include <Protocol/VariablePolicy.h>

 #include <Library/VariablePolicyLib.h>

 

+#define SHA_DIGEST_SIZE_MAX  SHA512_DIGEST_SIZE

+

+/**

+  Retrieves the size, in bytes, of the context buffer required for hash operations.

+

+  If this interface is not supported, then return zero.

+

+  @return  The size, in bytes, of the context buffer required for hash operations.

+  @retval  0   This interface is not supported.

+

+**/

+typedef

+UINTN

+(EFIAPI *EFI_HASH_GET_CONTEXT_SIZE)(

+  VOID

+  );

+

+/**

+  Initializes user-supplied memory pointed by Sha1Context as hash context for

+  subsequent use.

+

+  If HashContext is NULL, then return FALSE.

+  If this interface is not supported, then return FALSE.

+

+  @param[out]  HashContext  Pointer to Hashcontext being initialized.

+

+  @retval TRUE   Hash context initialization succeeded.

+  @retval FALSE  Hash context initialization failed.

+  @retval FALSE  This interface is not supported.

+

+**/

+typedef

+BOOLEAN

+(EFIAPI *EFI_HASH_INIT)(

+  OUT  VOID  *HashContext

+  );

+

+/**

+  Digests the input data and updates Hash context.

+

+  This function performs Hash digest on a data buffer of the specified size.

+  It can be called multiple times to compute the digest of long or discontinuous data streams.

+  Hash context should be already correctly initialized by HashInit(), and should not be finalized

+  by HashFinal(). Behavior with invalid context is undefined.

+

+  If HashContext is NULL, then return FALSE.

+  If this interface is not supported, then return FALSE.

+

+  @param[in, out]  HashContext  Pointer to the Hash context.

+  @param[in]       Data         Pointer to the buffer containing the data to be hashed.

+  @param[in]       DataSize     Size of Data buffer in bytes.

+

+  @retval TRUE   SHA-1 data digest succeeded.

+  @retval FALSE  SHA-1 data digest failed.

+  @retval FALSE  This interface is not supported.

+

+**/

+typedef

+BOOLEAN

+(EFIAPI *EFI_HASH_UPDATE)(

+  IN OUT  VOID        *HashContext,

+  IN      CONST VOID  *Data,

+  IN      UINTN       DataSize

+  );

+

+/**

+  Completes computation of the Hash digest value.

+

+  This function completes hash computation and retrieves the digest value into

+  the specified memory. After this function has been called, the Hash context cannot

+  be used again.

+  Hash context should be already correctly initialized by HashInit(), and should not be

+  finalized by HashFinal(). Behavior with invalid Hash context is undefined.

+

+  If HashContext is NULL, then return FALSE.

+  If HashValue is NULL, then return FALSE.

+  If this interface is not supported, then return FALSE.

+

+  @param[in, out]  HashContext  Pointer to the Hash context.

+  @param[out]      HashValue    Pointer to a buffer that receives the Hash digest

+                                value.

+

+  @retval TRUE   Hash digest computation succeeded.

+  @retval FALSE  Hash digest computation failed.

+  @retval FALSE  This interface is not supported.

+

+**/

+typedef

+BOOLEAN

+(EFIAPI *EFI_HASH_FINAL)(

+  IN OUT  VOID   *HashContext,

+  OUT     UINT8  *HashValue

+  );

+

+typedef struct {

+  UINT32                       HashSize;

+  EFI_HASH_GET_CONTEXT_SIZE    GetContextSize;

+  EFI_HASH_INIT                Init;

+  EFI_HASH_UPDATE              Update;

+  EFI_HASH_FINAL               Final;

+  VOID                         **HashShaCtx;

+  UINT8                        *OidValue;

+  UINTN                        OidLength;

+} EFI_HASH_INFO;

+

 //

 // Public Exponent of RSA Key.

 //

 CONST UINT8  mRsaE[] = { 0x01, 0x00, 0x01 };

 

-CONST UINT8  mSha256OidValue[] = { 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01 };

+UINT8  mSha256OidValue[] = { 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01 };

+UINT8  mSha384OidValue[] = { 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02 };

+UINT8  mSha512OidValue[] = { 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03 };

+

+EFI_HASH_INFO  mHashInfo[] = {

+  { SHA256_DIGEST_SIZE, Sha256GetContextSize, Sha256Init, Sha256Update, Sha256Final, &mHashSha256Ctx, mSha256OidValue, 9 },

+  { SHA384_DIGEST_SIZE, Sha384GetContextSize, Sha384Init, Sha384Update, Sha384Final, &mHashSha384Ctx, mSha384OidValue, 9 },

+  { SHA512_DIGEST_SIZE, Sha512GetContextSize, Sha512Init, Sha512Update, Sha512Final, &mHashSha512Ctx, mSha512OidValue, 9 },

+};

 

 //

 // Requirement for different signature type which have been defined in UEFI spec.

@@ -1090,26 +1203,28 @@ AuthServiceInternalCompareTimeStamp (
 }

 

 /**

-  Calculate SHA256 digest of SignerCert CommonName + ToplevelCert tbsCertificate

+  Calculate SHA digest of SignerCert CommonName + ToplevelCert tbsCertificate.

   SignerCert and ToplevelCert are inside the signer certificate chain.

 

+  @param[in]  HashAlgId           Hash algorithm index.

   @param[in]  SignerCert          A pointer to SignerCert data.

   @param[in]  SignerCertSize      Length of SignerCert data.

   @param[in]  TopLevelCert        A pointer to TopLevelCert data.

   @param[in]  TopLevelCertSize    Length of TopLevelCert data.

-  @param[out] Sha256Digest       Sha256 digest calculated.

+  @param[out] ShaDigest           Sha digest calculated.

 

   @return EFI_ABORTED          Digest process failed.

-  @return EFI_SUCCESS          SHA256 Digest is successfully calculated.

+  @return EFI_SUCCESS          SHA Digest is successfully calculated.

 

 **/

 EFI_STATUS

-CalculatePrivAuthVarSignChainSHA256Digest (

+CalculatePrivAuthVarSignChainSHADigest (

+  IN     UINT8  HashAlgId,

   IN     UINT8  *SignerCert,

   IN     UINTN  SignerCertSize,

   IN     UINT8  *TopLevelCert,

   IN     UINTN  TopLevelCertSize,

-  OUT    UINT8  *Sha256Digest

+  OUT    UINT8  *ShaDigest

   )

 {

   UINT8       *TbsCert;

@@ -1119,6 +1234,11 @@ CalculatePrivAuthVarSignChainSHA256Digest (
   BOOLEAN     CryptoStatus;

   EFI_STATUS  Status;

 

+  if (HashAlgId >= (sizeof (mHashInfo) / sizeof (EFI_HASH_INFO))) {

+    DEBUG ((DEBUG_INFO, "%a Unsupported Hash Algorithm %d\n", __func__, HashAlgId));

+    return EFI_ABORTED;

+  }

+

   CertCommonNameSize = sizeof (CertCommonName);

 

   //

@@ -1141,8 +1261,8 @@ CalculatePrivAuthVarSignChainSHA256Digest (
   //

   // Digest SignerCert CN + TopLevelCert tbsCertificate

   //

-  ZeroMem (Sha256Digest, SHA256_DIGEST_SIZE);

-  CryptoStatus = Sha256Init (mHashCtx);

+  ZeroMem (ShaDigest, mHashInfo[HashAlgId].HashSize);

+  CryptoStatus = mHashInfo[HashAlgId].Init (*(mHashInfo[HashAlgId].HashShaCtx));

   if (!CryptoStatus) {

     return EFI_ABORTED;

   }

@@ -1150,21 +1270,21 @@ CalculatePrivAuthVarSignChainSHA256Digest (
   //

   // '\0' is forced in CertCommonName. No overflow issue

   //

-  CryptoStatus = Sha256Update (

-                   mHashCtx,

-                   CertCommonName,

-                   AsciiStrLen (CertCommonName)

-                   );

+  CryptoStatus = mHashInfo[HashAlgId].Update (

+                                        *(mHashInfo[HashAlgId].HashShaCtx),

+                                        CertCommonName,

+                                        AsciiStrLen (CertCommonName)

+                                        );

   if (!CryptoStatus) {

     return EFI_ABORTED;

   }

 

-  CryptoStatus = Sha256Update (mHashCtx, TbsCert, TbsCertSize);

+  CryptoStatus = mHashInfo[HashAlgId].Update (*(mHashInfo[HashAlgId].HashShaCtx), TbsCert, TbsCertSize);

   if (!CryptoStatus) {

     return EFI_ABORTED;

   }

 

-  CryptoStatus = Sha256Final (mHashCtx, Sha256Digest);

+  CryptoStatus = mHashInfo[HashAlgId].Final (*(mHashInfo[HashAlgId].HashShaCtx), ShaDigest);

   if (!CryptoStatus) {

     return EFI_ABORTED;

   }

@@ -1516,9 +1636,10 @@ DeleteCertsFromDb (
 /**

   Insert signer's certificates for common authenticated variable with VariableName

   and VendorGuid in AUTH_CERT_DB_DATA to "certdb" or "certdbv" according to

-  time based authenticated variable attributes. CertData is the SHA256 digest of

+  time based authenticated variable attributes. CertData is the SHA digest of

   SignerCert CommonName + TopLevelCert tbsCertificate.

 

+  @param[in]  HashAlgId         Hash algorithm index.

   @param[in]  VariableName      Name of authenticated Variable.

   @param[in]  VendorGuid        Vendor GUID of authenticated Variable.

   @param[in]  Attributes        Attributes of authenticated variable.

@@ -1536,6 +1657,7 @@ DeleteCertsFromDb (
 **/

 EFI_STATUS

 InsertCertsToDb (

+  IN     UINT8     HashAlgId,

   IN     CHAR16    *VariableName,

   IN     EFI_GUID  *VendorGuid,

   IN     UINT32    Attributes,

@@ -1556,12 +1678,16 @@ InsertCertsToDb (
   UINT32             CertDataSize;

   AUTH_CERT_DB_DATA  *Ptr;

   CHAR16             *DbName;

-  UINT8              Sha256Digest[SHA256_DIGEST_SIZE];

+  UINT8              ShaDigest[SHA_DIGEST_SIZE_MAX];

 

   if ((VariableName == NULL) || (VendorGuid == NULL) || (SignerCert == NULL) || (TopLevelCert == NULL)) {

     return EFI_INVALID_PARAMETER;

   }

 

+  if (HashAlgId >= (sizeof (mHashInfo) / sizeof (EFI_HASH_INFO))) {

+    return EFI_INVALID_PARAMETER;

+  }

+

   if ((Attributes & EFI_VARIABLE_NON_VOLATILE) != 0) {

     //

     // Get variable "certdb".

@@ -1618,20 +1744,22 @@ InsertCertsToDb (
   // Construct new data content of variable "certdb" or "certdbv".

   //

   NameSize      = (UINT32)StrLen (VariableName);

-  CertDataSize  = sizeof (Sha256Digest);

+  CertDataSize  = mHashInfo[HashAlgId].HashSize;

   CertNodeSize  = sizeof (AUTH_CERT_DB_DATA) + (UINT32)CertDataSize + NameSize * sizeof (CHAR16);

   NewCertDbSize = (UINT32)DataSize + CertNodeSize;

   if (NewCertDbSize > mMaxCertDbSize) {

     return EFI_OUT_OF_RESOURCES;

   }

 

-  Status = CalculatePrivAuthVarSignChainSHA256Digest (

+  Status = CalculatePrivAuthVarSignChainSHADigest (

+             HashAlgId,

              SignerCert,

              SignerCertSize,

              TopLevelCert,

              TopLevelCertSize,

-             Sha256Digest

+             ShaDigest

              );

+

   if (EFI_ERROR (Status)) {

     return Status;

   }

@@ -1663,7 +1791,7 @@ InsertCertsToDb (
 

   CopyMem (

     (UINT8 *)Ptr +  sizeof (AUTH_CERT_DB_DATA) + NameSize * sizeof (CHAR16),

-    Sha256Digest,

+    ShaDigest,

     CertDataSize

     );

 

@@ -1791,6 +1919,37 @@ CleanCertsFromDb (
 }

 

 /**

+  Find hash algorithm index.

+

+  @param[in]  SigData      Pointer to the PKCS#7 message.

+  @param[in]  SigDataSize  Length of the PKCS#7 message.

+

+  @retval UINT8        Hash Algorithm Index.

+**/

+UINT8

+FindHashAlgorithmIndex (

+  IN     UINT8   *SigData,

+  IN     UINT32  SigDataSize

+  )

+{

+  UINT8  i;

+

+  for (i = 0; i < (sizeof (mHashInfo) / sizeof (EFI_HASH_INFO)); i++) {

+    if (  (  (SigDataSize >= (13 + mHashInfo[i].OidLength))

+          && (  ((*(SigData + 1) & TWO_BYTE_ENCODE) == TWO_BYTE_ENCODE)

+             && (CompareMem (SigData + 13, mHashInfo[i].OidValue, mHashInfo[i].OidLength) == 0)))

+       || (  ((SigDataSize >= (32 +  mHashInfo[i].OidLength)))

+          && (  ((*(SigData + 20) & TWO_BYTE_ENCODE) == TWO_BYTE_ENCODE)

+             && (CompareMem (SigData + 32, mHashInfo[i].OidValue, mHashInfo[i].OidLength) == 0))))

+    {

+      break;

+    }

+  }

+

+  return i;

+}

+

+/**

   Process variable with EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS set

 

   Caution: This function may receive untrusted input.

@@ -1857,8 +2016,9 @@ VerifyTimeBasedPayload (
   UINTN                          CertStackSize;

   UINT8                          *CertsInCertDb;

   UINT32                         CertsSizeinDb;

-  UINT8                          Sha256Digest[SHA256_DIGEST_SIZE];

+  UINT8                          ShaDigest[SHA_DIGEST_SIZE_MAX];

   EFI_CERT_DATA                  *CertDataPtr;

+  UINT8                          HashAlgId;

 

   //

   // 1. TopLevelCert is the top-level issuer certificate in signature Signer Cert Chain

@@ -1928,7 +2088,7 @@ VerifyTimeBasedPayload (
 

   //

   // SignedData.digestAlgorithms shall contain the digest algorithm used when preparing the

-  // signature. Only a digest algorithm of SHA-256 is accepted.

+  // signature. Only a digest algorithm of SHA-256, SHA-384 or SHA-512 is accepted.

   //

   //    According to PKCS#7 Definition (https://www.rfc-editor.org/rfc/rfc2315):

   //        SignedData ::= SEQUENCE {

@@ -1972,14 +2132,9 @@ VerifyTimeBasedPayload (
   //

   // Example generated with: https://wiki.archlinux.org/title/Unified_Extensible_Firmware_Interface/Secure_Boot#Manual_process

   //

+  HashAlgId = FindHashAlgorithmIndex (SigData, SigDataSize);

   if ((Attributes & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {

-    if (  (  (SigDataSize >= (13 + sizeof (mSha256OidValue)))

-          && (  ((*(SigData + 1) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE)

-             || (CompareMem (SigData + 13, &mSha256OidValue, sizeof (mSha256OidValue)) != 0)))

-       && (  (SigDataSize >= (32 + sizeof (mSha256OidValue)))

-          && (  ((*(SigData + 20) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE)

-             || (CompareMem (SigData + 32, &mSha256OidValue, sizeof (mSha256OidValue)) != 0))))

-    {

+    if (HashAlgId >= (sizeof (mHashInfo) / sizeof (EFI_HASH_INFO))) {

       return EFI_SECURITY_VIOLATION;

     }

   }

@@ -2170,19 +2325,20 @@ VerifyTimeBasedPayload (
         goto Exit;

       }

 

-      if (CertsSizeinDb == SHA256_DIGEST_SIZE) {

+      if ((HashAlgId < (sizeof (mHashInfo) / sizeof (EFI_HASH_INFO))) && (CertsSizeinDb == mHashInfo[HashAlgId].HashSize)) {

         //

         // Check hash of signer cert CommonName + Top-level issuer tbsCertificate against data in CertDb

         //

         CertDataPtr = (EFI_CERT_DATA *)(SignerCerts + 1);

-        Status      = CalculatePrivAuthVarSignChainSHA256Digest (

+        Status      = CalculatePrivAuthVarSignChainSHADigest (

+                        HashAlgId,

                         CertDataPtr->CertDataBuffer,

                         ReadUnaligned32 ((UINT32 *)&(CertDataPtr->CertDataLength)),

                         TopLevelCert,

                         TopLevelCertSize,

-                        Sha256Digest

+                        ShaDigest

                         );

-        if (EFI_ERROR (Status) || (CompareMem (Sha256Digest, CertsInCertDb, CertsSizeinDb) != 0)) {

+        if (EFI_ERROR (Status) || (CompareMem (ShaDigest, CertsInCertDb, CertsSizeinDb) != 0)) {

           goto Exit;

         }

       } else {

@@ -2215,6 +2371,7 @@ VerifyTimeBasedPayload (
       //

       CertDataPtr = (EFI_CERT_DATA *)(SignerCerts + 1);

       Status      = InsertCertsToDb (

+                      HashAlgId,

                       VariableName,

                       VendorGuid,

                       Attributes,

diff --git a/SecurityPkg/Library/AuthVariableLib/AuthServiceInternal.h b/SecurityPkg/Library/AuthVariableLib/AuthServiceInternal.h
index b202e613bc..f7bf771d55 100644
--- a/SecurityPkg/Library/AuthVariableLib/AuthServiceInternal.h
+++ b/SecurityPkg/Library/AuthVariableLib/AuthServiceInternal.h
@@ -92,7 +92,9 @@ extern UINT32  mMaxCertDbSize;
 extern UINT32  mPlatformMode;

 extern UINT8   mVendorKeyState;

 

-extern VOID  *mHashCtx;

+extern VOID  *mHashSha256Ctx;

+extern VOID  *mHashSha384Ctx;

+extern VOID  *mHashSha512Ctx;

 

 extern AUTH_VAR_LIB_CONTEXT_IN  *mAuthVarLibContextIn;

 

diff --git a/SecurityPkg/Library/AuthVariableLib/AuthVariableLib.c b/SecurityPkg/Library/AuthVariableLib/AuthVariableLib.c
index dc61ae840c..dc11f38cb3 100644
--- a/SecurityPkg/Library/AuthVariableLib/AuthVariableLib.c
+++ b/SecurityPkg/Library/AuthVariableLib/AuthVariableLib.c
@@ -26,12 +26,14 @@ UINT32  mMaxCertDbSize;
 UINT32  mPlatformMode;

 UINT8   mVendorKeyState;

 

-EFI_GUID  mSignatureSupport[] = { EFI_CERT_SHA1_GUID, EFI_CERT_SHA256_GUID, EFI_CERT_RSA2048_GUID, EFI_CERT_X509_GUID };

+EFI_GUID  mSignatureSupport[] = { EFI_CERT_SHA1_GUID, EFI_CERT_SHA256_GUID, EFI_CERT_SHA384_GUID, EFI_CERT_SHA512_GUID, EFI_CERT_RSA2048_GUID, EFI_CERT_X509_GUID };

 

 //

 // Hash context pointer

 //

-VOID  *mHashCtx = NULL;

+VOID  *mHashSha256Ctx = NULL;

+VOID  *mHashSha384Ctx = NULL;

+VOID  *mHashSha512Ctx = NULL;

 

 VARIABLE_ENTRY_PROPERTY  mAuthVarEntry[] = {

   {

@@ -91,7 +93,7 @@ VARIABLE_ENTRY_PROPERTY  mAuthVarEntry[] = {
   },

 };

 

-VOID  **mAuthVarAddressPointer[9];

+VOID  **mAuthVarAddressPointer[11];

 

 AUTH_VAR_LIB_CONTEXT_IN  *mAuthVarLibContextIn = NULL;

 

@@ -120,7 +122,6 @@ AuthVariableLibInitialize (
   UINT32      VarAttr;

   UINT8       *Data;

   UINTN       DataSize;

-  UINTN       CtxSize;

   UINT8       SecureBootMode;

   UINT8       SecureBootEnable;

   UINT8       CustomMode;

@@ -135,9 +136,18 @@ AuthVariableLibInitialize (
   //

   // Initialize hash context.

   //

-  CtxSize  = Sha256GetContextSize ();

-  mHashCtx = AllocateRuntimePool (CtxSize);

-  if (mHashCtx == NULL) {

+  mHashSha256Ctx = AllocateRuntimePool (Sha256GetContextSize ());

+  if (mHashSha256Ctx == NULL) {

+    return EFI_OUT_OF_RESOURCES;

+  }

+

+  mHashSha384Ctx = AllocateRuntimePool (Sha384GetContextSize ());

+  if (mHashSha384Ctx == NULL) {

+    return EFI_OUT_OF_RESOURCES;

+  }

+

+  mHashSha512Ctx = AllocateRuntimePool (Sha512GetContextSize ());

+  if (mHashSha512Ctx == NULL) {

     return EFI_OUT_OF_RESOURCES;

   }

 

@@ -356,14 +366,16 @@ AuthVariableLibInitialize (
   AuthVarLibContextOut->AuthVarEntry        = mAuthVarEntry;

   AuthVarLibContextOut->AuthVarEntryCount   = ARRAY_SIZE (mAuthVarEntry);

   mAuthVarAddressPointer[0]                 = (VOID **)&mCertDbStore;

-  mAuthVarAddressPointer[1]                 = (VOID **)&mHashCtx;

-  mAuthVarAddressPointer[2]                 = (VOID **)&mAuthVarLibContextIn;

-  mAuthVarAddressPointer[3]                 = (VOID **)&(mAuthVarLibContextIn->FindVariable),

-  mAuthVarAddressPointer[4]                 = (VOID **)&(mAuthVarLibContextIn->FindNextVariable),

-  mAuthVarAddressPointer[5]                 = (VOID **)&(mAuthVarLibContextIn->UpdateVariable),

-  mAuthVarAddressPointer[6]                 = (VOID **)&(mAuthVarLibContextIn->GetScratchBuffer),

-  mAuthVarAddressPointer[7]                 = (VOID **)&(mAuthVarLibContextIn->CheckRemainingSpaceForConsistency),

-  mAuthVarAddressPointer[8]                 = (VOID **)&(mAuthVarLibContextIn->AtRuntime),

+  mAuthVarAddressPointer[1]                 = (VOID **)&mHashSha256Ctx;

+  mAuthVarAddressPointer[2]                 = (VOID **)&mHashSha384Ctx;

+  mAuthVarAddressPointer[3]                 = (VOID **)&mHashSha512Ctx;

+  mAuthVarAddressPointer[4]                 = (VOID **)&mAuthVarLibContextIn;

+  mAuthVarAddressPointer[5]                 = (VOID **)&(mAuthVarLibContextIn->FindVariable),

+  mAuthVarAddressPointer[6]                 = (VOID **)&(mAuthVarLibContextIn->FindNextVariable),

+  mAuthVarAddressPointer[7]                 = (VOID **)&(mAuthVarLibContextIn->UpdateVariable),

+  mAuthVarAddressPointer[8]                 = (VOID **)&(mAuthVarLibContextIn->GetScratchBuffer),

+  mAuthVarAddressPointer[9]                 = (VOID **)&(mAuthVarLibContextIn->CheckRemainingSpaceForConsistency),

+  mAuthVarAddressPointer[10]                = (VOID **)&(mAuthVarLibContextIn->AtRuntime),

   AuthVarLibContextOut->AddressPointer      = mAuthVarAddressPointer;

   AuthVarLibContextOut->AddressPointerCount = ARRAY_SIZE (mAuthVarAddressPointer);