[PATCH V4 06/11] CryptoPkg/BaseCryptLib: Retire the TDES algorithm

["Gao, Zhichao" <zhichao.gao@intel.com>]

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1898

TDES is not secure any longer.
Remove the Tdes support from edk2.
Change the Tdes field name in EDKII_CRYPTO_PROTOCOL to indicate the
function is unsupported any longer.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Xiaoyu Lu <xiaoyux.lu@intel.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Philippe Mathieu-Daude <philmd@redhat.com>
Signed-off-by: Zhichao Gao <zhichao.gao@intel.com>
---
 CryptoPkg/Driver/Crypto.c                     | 181 +--------
 CryptoPkg/Include/Library/BaseCryptLib.h      | 196 ----------
 .../Library/BaseCryptLib/BaseCryptLib.inf     |   1 -
 .../Library/BaseCryptLib/Cipher/CryptTdes.c   | 364 ------------------
 .../BaseCryptLib/Cipher/CryptTdesNull.c       | 160 --------
 .../Library/BaseCryptLib/PeiCryptLib.inf      |   3 +-
 .../Library/BaseCryptLib/PeiCryptLib.uni      |   6 +-
 CryptoPkg/Library/BaseCryptLib/Pem/CryptPem.c |   7 +-
 .../Library/BaseCryptLib/RuntimeCryptLib.inf  |   3 +-
 .../Library/BaseCryptLib/RuntimeCryptLib.uni  |   6 +-
 .../Library/BaseCryptLib/SmmCryptLib.inf      |   3 +-
 .../Library/BaseCryptLib/SmmCryptLib.uni      |   6 +-
 .../BaseCryptLibNull/BaseCryptLibNull.inf     |   1 -
 .../BaseCryptLibNull/Cipher/CryptTdesNull.c   | 160 --------
 .../BaseCryptLibOnProtocolPpi/CryptLib.c      | 214 ----------
 CryptoPkg/Private/Protocol/Crypto.h           | 169 +-------
 16 files changed, 50 insertions(+), 1430 deletions(-)
 delete mode 100644 CryptoPkg/Library/BaseCryptLib/Cipher/CryptTdes.c
 delete mode 100644 CryptoPkg/Library/BaseCryptLib/Cipher/CryptTdesNull.c
 delete mode 100644 CryptoPkg/Library/BaseCryptLibNull/Cipher/CryptTdesNull.c

diff --git a/CryptoPkg/Driver/Crypto.c b/CryptoPkg/Driver/Crypto.c
index 832fcda3b9..22b49762bd 100644
--- a/CryptoPkg/Driver/Crypto.c
+++ b/CryptoPkg/Driver/Crypto.c
@@ -1557,167 +1557,57 @@ CryptoServiceHmacSha256Final (
 //=====================================================================================
 
 /**
-  Retrieves the size, in bytes, of the context buffer required for TDES operations.
-
-  If this interface is not supported, then return zero.
-
-  @return  The size, in bytes, of the context buffer required for TDES operations.
-  @retval  0   This interface is not supported.
+  TDES is deprecated and unsupported any longer.
+  Keep the function field for binary compability.
 
 **/
 UINTN
 EFIAPI
-CryptoServiceTdesGetContextSize (
+DeprecatedCryptoServiceTdesGetContextSize (
   VOID
   )
 {
-  return CALL_BASECRYPTLIB (Tdes.Services.GetContextSize, TdesGetContextSize, (), 0);
+  return BaseCryptLibServiceDeprecated ("TdesGetContextSize"), 0;
 }
 
-/**
-  Initializes user-supplied memory as TDES context for subsequent use.
-
-  This function initializes user-supplied memory pointed by TdesContext as TDES context.
-  In addition, it sets up all TDES key materials for subsequent encryption and decryption
-  operations.
-  There are 3 key options as follows:
-  KeyLength = 64,  Keying option 1: K1 == K2 == K3 (Backward compatibility with DES)
-  KeyLength = 128, Keying option 2: K1 != K2 and K3 = K1 (Less Security)
-  KeyLength = 192  Keying option 3: K1 != K2 != K3 (Strongest)
-
-  If TdesContext is NULL, then return FALSE.
-  If Key is NULL, then return FALSE.
-  If KeyLength is not valid, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[out]  TdesContext  Pointer to TDES context being initialized.
-  @param[in]   Key          Pointer to the user-supplied TDES key.
-  @param[in]   KeyLength    Length of TDES key in bits.
-
-  @retval TRUE   TDES context initialization succeeded.
-  @retval FALSE  TDES context initialization failed.
-  @retval FALSE  This interface is not supported.
-
-**/
 BOOLEAN
 EFIAPI
-CryptoServiceTdesInit (
+DeprecatedCryptoServiceTdesInit (
   OUT  VOID         *TdesContext,
   IN   CONST UINT8  *Key,
   IN   UINTN        KeyLength
   )
 {
-  return CALL_BASECRYPTLIB (Tdes.Services.Init, TdesInit, (TdesContext, Key, KeyLength), FALSE);
+  return BaseCryptLibServiceDeprecated ("TdesInit"), FALSE;
 }
 
-/**
-  Performs TDES encryption on a data buffer of the specified size in ECB mode.
-
-  This function performs TDES encryption on data buffer pointed by Input, of specified
-  size of InputSize, in ECB mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES encryption succeeded.
-  @retval FALSE  TDES encryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
 BOOLEAN
 EFIAPI
-CryptoServiceTdesEcbEncrypt (
+DeprecatedCryptoServiceTdesEcbEncrypt (
   IN   VOID         *TdesContext,
   IN   CONST UINT8  *Input,
   IN   UINTN        InputSize,
   OUT  UINT8        *Output
   )
 {
-  return CALL_BASECRYPTLIB (Tdes.Services.EcbEncrypt, TdesEcbEncrypt, (TdesContext, Input, InputSize, Output), FALSE);
+  return BaseCryptLibServiceDeprecated ("TdesEcbEncrypt"), FALSE;
 }
 
-/**
-  Performs TDES decryption on a data buffer of the specified size in ECB mode.
-
-  This function performs TDES decryption on data buffer pointed by Input, of specified
-  size of InputSize, in ECB mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be decrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES decryption output.
-
-  @retval TRUE   TDES decryption succeeded.
-  @retval FALSE  TDES decryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
 BOOLEAN
 EFIAPI
-CryptoServiceTdesEcbDecrypt (
+DeprecatedCryptoServiceTdesEcbDecrypt (
   IN   VOID         *TdesContext,
   IN   CONST UINT8  *Input,
   IN   UINTN        InputSize,
   OUT  UINT8        *Output
   )
 {
-  return CALL_BASECRYPTLIB (Tdes.Services.EcbDecrypt, TdesEcbDecrypt, (TdesContext, Input, InputSize, Output), FALSE);
+  return BaseCryptLibServiceDeprecated ("TdesEcbDecrypt"), FALSE;
 }
 
-/**
-  Performs TDES encryption on a data buffer of the specified size in CBC mode.
-
-  This function performs TDES encryption on data buffer pointed by Input, of specified
-  size of InputSize, in CBC mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  Initialization vector should be one block size (8 bytes).
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Ivec is NULL, then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES encryption succeeded.
-  @retval FALSE  TDES encryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
 BOOLEAN
 EFIAPI
-CryptoServiceTdesCbcEncrypt (
+DeprecatedCryptoServiceTdesCbcEncrypt (
   IN   VOID         *TdesContext,
   IN   CONST UINT8  *Input,
   IN   UINTN        InputSize,
@@ -1725,41 +1615,12 @@ CryptoServiceTdesCbcEncrypt (
   OUT  UINT8        *Output
   )
 {
-  return CALL_BASECRYPTLIB (Tdes.Services.CbcEncrypt, TdesCbcEncrypt, (TdesContext, Input, InputSize, Ivec, Output), FALSE);
+  return BaseCryptLibServiceDeprecated ("TdesCbcEncrypt"), FALSE;
 }
 
-/**
-  Performs TDES decryption on a data buffer of the specified size in CBC mode.
-
-  This function performs TDES decryption on data buffer pointed by Input, of specified
-  size of InputSize, in CBC mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  Initialization vector should be one block size (8 bytes).
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Ivec is NULL, then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES decryption succeeded.
-  @retval FALSE  TDES decryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
 BOOLEAN
 EFIAPI
-CryptoServiceTdesCbcDecrypt (
+DeprecatedCryptoServiceTdesCbcDecrypt (
   IN   VOID         *TdesContext,
   IN   CONST UINT8  *Input,
   IN   UINTN        InputSize,
@@ -1767,7 +1628,7 @@ CryptoServiceTdesCbcDecrypt (
   OUT  UINT8        *Output
   )
 {
-  return CALL_BASECRYPTLIB (Tdes.Services.CbcDecrypt, TdesCbcDecrypt, (TdesContext, Input, InputSize, Ivec, Output), FALSE);
+  return BaseCryptLibServiceDeprecated ("TdesCbcDecrypt"), FALSE;
 }
 
 /**
@@ -4344,13 +4205,13 @@ const EDKII_CRYPTO_PROTOCOL mEdkiiCrypto = {
   CryptoServiceX509Free,
   CryptoServiceX509StackFree,
   CryptoServiceX509GetTBSCert,
-  /// TDES
-  CryptoServiceTdesGetContextSize,
-  CryptoServiceTdesInit,
-  CryptoServiceTdesEcbEncrypt,
-  CryptoServiceTdesEcbDecrypt,
-  CryptoServiceTdesCbcEncrypt,
-  CryptoServiceTdesCbcDecrypt,
+  /// TDES - deprecated and unsupported
+  DeprecatedCryptoServiceTdesGetContextSize,
+  DeprecatedCryptoServiceTdesInit,
+  DeprecatedCryptoServiceTdesEcbEncrypt,
+  DeprecatedCryptoServiceTdesEcbDecrypt,
+  DeprecatedCryptoServiceTdesCbcEncrypt,
+  DeprecatedCryptoServiceTdesCbcDecrypt,
   /// AES
   CryptoServiceAesGetContextSize,
   CryptoServiceAesInit,
diff --git a/CryptoPkg/Include/Library/BaseCryptLib.h b/CryptoPkg/Include/Library/BaseCryptLib.h
index 25e236c4a3..621bcfd1c4 100644
--- a/CryptoPkg/Include/Library/BaseCryptLib.h
+++ b/CryptoPkg/Include/Library/BaseCryptLib.h
@@ -1278,202 +1278,6 @@ HmacSha256Final (
 //    Symmetric Cryptography Primitive
 //=====================================================================================
 
-/**
-  Retrieves the size, in bytes, of the context buffer required for TDES operations.
-
-  If this interface is not supported, then return zero.
-
-  @return  The size, in bytes, of the context buffer required for TDES operations.
-  @retval  0   This interface is not supported.
-
-**/
-UINTN
-EFIAPI
-TdesGetContextSize (
-  VOID
-  );
-
-/**
-  Initializes user-supplied memory as TDES context for subsequent use.
-
-  This function initializes user-supplied memory pointed by TdesContext as TDES context.
-  In addition, it sets up all TDES key materials for subsequent encryption and decryption
-  operations.
-  There are 3 key options as follows:
-  KeyLength = 64,  Keying option 1: K1 == K2 == K3 (Backward compatibility with DES)
-  KeyLength = 128, Keying option 2: K1 != K2 and K3 = K1 (Less Security)
-  KeyLength = 192  Keying option 3: K1 != K2 != K3 (Strongest)
-
-  If TdesContext is NULL, then return FALSE.
-  If Key is NULL, then return FALSE.
-  If KeyLength is not valid, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[out]  TdesContext  Pointer to TDES context being initialized.
-  @param[in]   Key          Pointer to the user-supplied TDES key.
-  @param[in]   KeyLength    Length of TDES key in bits.
-
-  @retval TRUE   TDES context initialization succeeded.
-  @retval FALSE  TDES context initialization failed.
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesInit (
-  OUT  VOID         *TdesContext,
-  IN   CONST UINT8  *Key,
-  IN   UINTN        KeyLength
-  );
-
-/**
-  Performs TDES encryption on a data buffer of the specified size in ECB mode.
-
-  This function performs TDES encryption on data buffer pointed by Input, of specified
-  size of InputSize, in ECB mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES encryption succeeded.
-  @retval FALSE  TDES encryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesEcbEncrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  OUT  UINT8        *Output
-  );
-
-/**
-  Performs TDES decryption on a data buffer of the specified size in ECB mode.
-
-  This function performs TDES decryption on data buffer pointed by Input, of specified
-  size of InputSize, in ECB mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be decrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES decryption output.
-
-  @retval TRUE   TDES decryption succeeded.
-  @retval FALSE  TDES decryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesEcbDecrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  OUT  UINT8        *Output
-  );
-
-/**
-  Performs TDES encryption on a data buffer of the specified size in CBC mode.
-
-  This function performs TDES encryption on data buffer pointed by Input, of specified
-  size of InputSize, in CBC mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  Initialization vector should be one block size (8 bytes).
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Ivec is NULL, then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES encryption succeeded.
-  @retval FALSE  TDES encryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesCbcEncrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  IN   CONST UINT8  *Ivec,
-  OUT  UINT8        *Output
-  );
-
-/**
-  Performs TDES decryption on a data buffer of the specified size in CBC mode.
-
-  This function performs TDES decryption on data buffer pointed by Input, of specified
-  size of InputSize, in CBC mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  Initialization vector should be one block size (8 bytes).
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Ivec is NULL, then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES decryption succeeded.
-  @retval FALSE  TDES decryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesCbcDecrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  IN   CONST UINT8  *Ivec,
-  OUT  UINT8        *Output
-  );
-
 /**
   Retrieves the size, in bytes, of the context buffer required for AES operations.
 
diff --git a/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf b/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
index da38ea552f..2de8e9c346 100644
--- a/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
@@ -39,7 +39,6 @@
   Hmac/CryptHmacSha256.c
   Kdf/CryptHkdf.c
   Cipher/CryptAes.c
-  Cipher/CryptTdes.c
   Pk/CryptRsaBasic.c
   Pk/CryptRsaExt.c
   Pk/CryptPkcs1Oaep.c
diff --git a/CryptoPkg/Library/BaseCryptLib/Cipher/CryptTdes.c b/CryptoPkg/Library/BaseCryptLib/Cipher/CryptTdes.c
deleted file mode 100644
index fd799f3398..0000000000
--- a/CryptoPkg/Library/BaseCryptLib/Cipher/CryptTdes.c
+++ /dev/null
@@ -1,364 +0,0 @@
-/** @file
-  TDES Wrapper Implementation over OpenSSL.
-
-Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.<BR>
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "InternalCryptLib.h"
-#include <openssl/des.h>
-
-/**
-  Retrieves the size, in bytes, of the context buffer required for TDES operations.
-
-  @return  The size, in bytes, of the context buffer required for TDES operations.
-
-**/
-UINTN
-EFIAPI
-TdesGetContextSize (
-  VOID
-  )
-{
-  //
-  // Memory for 3 copies of DES_key_schedule is allocated, for K1, K2 and K3 each.
-  //
-  return (UINTN) (3 * sizeof (DES_key_schedule));
-}
-
-/**
-  Initializes user-supplied memory as TDES context for subsequent use.
-
-  This function initializes user-supplied memory pointed by TdesContext as TDES context.
-  In addition, it sets up all TDES key materials for subsequent encryption and decryption
-  operations.
-  There are 3 key options as follows:
-  KeyLength = 64,  Keying option 1: K1 == K2 == K3 (Backward compatibility with DES)
-  KeyLength = 128, Keying option 2: K1 != K2 and K3 = K1 (Less Security)
-  KeyLength = 192  Keying option 3: K1 != K2 != K3 (Strongest)
-
-  If TdesContext is NULL, then return FALSE.
-  If Key is NULL, then return FALSE.
-  If KeyLength is not valid, then return FALSE.
-
-  @param[out]  TdesContext  Pointer to TDES context being initialized.
-  @param[in]   Key          Pointer to the user-supplied TDES key.
-  @param[in]   KeyLength    Length of TDES key in bits.
-
-  @retval TRUE   TDES context initialization succeeded.
-  @retval FALSE  TDES context initialization failed.
-
-**/
-BOOLEAN
-EFIAPI
-TdesInit (
-  OUT  VOID         *TdesContext,
-  IN   CONST UINT8  *Key,
-  IN   UINTN        KeyLength
-  )
-{
-  DES_key_schedule  *KeySchedule;
-
-  //
-  // Check input parameters.
-  //
-  if (TdesContext == NULL || Key == NULL || (KeyLength != 64 && KeyLength != 128 && KeyLength != 192)) {
-    return FALSE;
-  }
-
-  KeySchedule = (DES_key_schedule *) TdesContext;
-
-  //
-  // If input Key is a weak key, return error.
-  //
-  if (DES_is_weak_key ((const_DES_cblock *) Key) == 1) {
-    return FALSE;
-  }
-
-  DES_set_key_unchecked ((const_DES_cblock *) Key, KeySchedule);
-
-  if (KeyLength == 64) {
-    CopyMem (KeySchedule + 1, KeySchedule, sizeof (DES_key_schedule));
-    CopyMem (KeySchedule + 2, KeySchedule, sizeof (DES_key_schedule));
-    return TRUE;
-  }
-
-  if (DES_is_weak_key ((const_DES_cblock *) (Key + 8)) == 1) {
-    return FALSE;
-  }
-
-  DES_set_key_unchecked ((const_DES_cblock *) (Key + 8), KeySchedule + 1);
-
-  if (KeyLength == 128) {
-    CopyMem (KeySchedule + 2, KeySchedule, sizeof (DES_key_schedule));
-    return TRUE;
-  }
-
-  if (DES_is_weak_key ((const_DES_cblock *) (Key + 16)) == 1) {
-    return FALSE;
-  }
-
-  DES_set_key_unchecked ((const_DES_cblock *) (Key + 16), KeySchedule + 2);
-
-  return TRUE;
-}
-
-/**
-  Performs TDES encryption on a data buffer of the specified size in ECB mode.
-
-  This function performs TDES encryption on data buffer pointed by Input, of specified
-  size of InputSize, in ECB mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Output is NULL, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES encryption succeeded.
-  @retval FALSE  TDES encryption failed.
-
-**/
-BOOLEAN
-EFIAPI
-TdesEcbEncrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  OUT  UINT8        *Output
-  )
-{
-  DES_key_schedule  *KeySchedule;
-
-  //
-  // Check input parameters.
-  //
-  if (TdesContext == NULL || Input == NULL || (InputSize % TDES_BLOCK_SIZE) != 0 || Output == NULL) {
-    return FALSE;
-  }
-
-  KeySchedule = (DES_key_schedule *) TdesContext;
-
-  while (InputSize > 0) {
-    DES_ecb3_encrypt (
-      (const_DES_cblock *) Input,
-      (DES_cblock *) Output,
-      KeySchedule,
-      KeySchedule + 1,
-      KeySchedule + 2,
-      DES_ENCRYPT
-      );
-    Input     += TDES_BLOCK_SIZE;
-    Output    += TDES_BLOCK_SIZE;
-    InputSize -= TDES_BLOCK_SIZE;
-  }
-
-  return TRUE;
-}
-
-/**
-  Performs TDES decryption on a data buffer of the specified size in ECB mode.
-
-  This function performs TDES decryption on data buffer pointed by Input, of specified
-  size of InputSize, in ECB mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Output is NULL, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be decrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES decryption output.
-
-  @retval TRUE   TDES decryption succeeded.
-  @retval FALSE  TDES decryption failed.
-
-**/
-BOOLEAN
-EFIAPI
-TdesEcbDecrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  OUT  UINT8        *Output
-  )
-{
-  DES_key_schedule  *KeySchedule;
-
-  //
-  // Check input parameters.
-  //
-  if (TdesContext == NULL || Input == NULL || (InputSize % TDES_BLOCK_SIZE) != 0 || Output == NULL) {
-    return FALSE;
-  }
-
-  KeySchedule = (DES_key_schedule *) TdesContext;
-
-  while (InputSize > 0) {
-    DES_ecb3_encrypt (
-      (const_DES_cblock *) Input,
-      (DES_cblock *) Output,
-      KeySchedule,
-      KeySchedule + 1,
-      KeySchedule + 2,
-      DES_DECRYPT
-      );
-    Input     += TDES_BLOCK_SIZE;
-    Output    += TDES_BLOCK_SIZE;
-    InputSize -= TDES_BLOCK_SIZE;
-  }
-
-  return TRUE;
-}
-
-/**
-  Performs TDES encryption on a data buffer of the specified size in CBC mode.
-
-  This function performs TDES encryption on data buffer pointed by Input, of specified
-  size of InputSize, in CBC mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  Initialization vector should be one block size (8 bytes).
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Ivec is NULL, then return FALSE.
-  If Output is NULL, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES encryption succeeded.
-  @retval FALSE  TDES encryption failed.
-
-**/
-BOOLEAN
-EFIAPI
-TdesCbcEncrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  IN   CONST UINT8  *Ivec,
-  OUT  UINT8        *Output
-  )
-{
-  DES_key_schedule  *KeySchedule;
-  UINT8             IvecBuffer[TDES_BLOCK_SIZE];
-
-  //
-  // Check input parameters.
-  //
-  if (TdesContext == NULL || Input == NULL || (InputSize % TDES_BLOCK_SIZE) != 0) {
-    return FALSE;
-  }
-
-  if (Ivec == NULL || Output == NULL || InputSize > INT_MAX) {
-    return FALSE;
-  }
-
-  KeySchedule = (DES_key_schedule *) TdesContext;
-  CopyMem (IvecBuffer, Ivec, TDES_BLOCK_SIZE);
-
-  DES_ede3_cbc_encrypt (
-    Input,
-    Output,
-    (UINT32) InputSize,
-    KeySchedule,
-    KeySchedule + 1,
-    KeySchedule + 2,
-    (DES_cblock *) IvecBuffer,
-    DES_ENCRYPT
-    );
-
-  return TRUE;
-}
-
-/**
-  Performs TDES decryption on a data buffer of the specified size in CBC mode.
-
-  This function performs TDES decryption on data buffer pointed by Input, of specified
-  size of InputSize, in CBC mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  Initialization vector should be one block size (8 bytes).
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Ivec is NULL, then return FALSE.
-  If Output is NULL, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES decryption succeeded.
-  @retval FALSE  TDES decryption failed.
-
-**/
-BOOLEAN
-EFIAPI
-TdesCbcDecrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  IN   CONST UINT8  *Ivec,
-  OUT  UINT8        *Output
-  )
-{
-  DES_key_schedule  *KeySchedule;
-  UINT8             IvecBuffer[TDES_BLOCK_SIZE];
-
-  //
-  // Check input parameters.
-  //
-  if (TdesContext == NULL || Input == NULL || (InputSize % TDES_BLOCK_SIZE) != 0) {
-    return FALSE;
-  }
-
-  if (Ivec == NULL || Output == NULL || InputSize > INT_MAX) {
-    return FALSE;
-  }
-
-  KeySchedule = (DES_key_schedule *) TdesContext;
-  CopyMem (IvecBuffer, Ivec, TDES_BLOCK_SIZE);
-
-  DES_ede3_cbc_encrypt (
-    Input,
-    Output,
-    (UINT32) InputSize,
-    KeySchedule,
-    KeySchedule + 1,
-    KeySchedule + 2,
-    (DES_cblock *) IvecBuffer,
-    DES_DECRYPT
-    );
-
-  return TRUE;
-}
-
diff --git a/CryptoPkg/Library/BaseCryptLib/Cipher/CryptTdesNull.c b/CryptoPkg/Library/BaseCryptLib/Cipher/CryptTdesNull.c
deleted file mode 100644
index efa2716063..0000000000
--- a/CryptoPkg/Library/BaseCryptLib/Cipher/CryptTdesNull.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/** @file
-  TDES Wrapper Implementation which does not provide real capabilities.
-
-Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "InternalCryptLib.h"
-
-/**
-  Retrieves the size, in bytes, of the context buffer required for TDES operations.
-
-  Return zero to indicate this interface is not supported.
-
-  @retval  0   This interface is not supported.
-
-**/
-UINTN
-EFIAPI
-TdesGetContextSize (
-  VOID
-  )
-{
-  ASSERT (FALSE);
-  return 0;
-}
-
-/**
-  Initializes user-supplied memory as TDES context for subsequent use.
-
-  Return FALSE to indicate this interface is not supported.
-
-  @param[out]  TdesContext  Pointer to TDES context being initialized.
-  @param[in]   Key          Pointer to the user-supplied TDES key.
-  @param[in]   KeyLength    Length of TDES key in bits.
-
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesInit (
-  OUT  VOID         *TdesContext,
-  IN   CONST UINT8  *Key,
-  IN   UINTN        KeyLength
-  )
-{
-  ASSERT (FALSE);
-  return FALSE;
-}
-
-/**
-  Performs TDES encryption on a data buffer of the specified size in ECB mode.
-
-  Return FALSE to indicate this interface is not supported.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesEcbEncrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  OUT  UINT8        *Output
-  )
-{
-  ASSERT (FALSE);
-  return FALSE;
-}
-
-/**
-  Performs TDES decryption on a data buffer of the specified size in ECB mode.
-
-  Return FALSE to indicate this interface is not supported.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be decrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES decryption output.
-
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesEcbDecrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  OUT  UINT8        *Output
-  )
-{
-  ASSERT (FALSE);
-  return FALSE;
-}
-
-/**
-  Performs TDES encryption on a data buffer of the specified size in CBC mode.
-
-  Return FALSE to indicate this interface is not supported.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesCbcEncrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  IN   CONST UINT8  *Ivec,
-  OUT  UINT8        *Output
-  )
-{
-  ASSERT (FALSE);
-  return FALSE;
-}
-
-/**
-  Performs TDES decryption on a data buffer of the specified size in CBC mode.
-
-  Return FALSE to indicate this interface is not supported.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesCbcDecrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  IN   CONST UINT8  *Ivec,
-  OUT  UINT8        *Output
-  )
-{
-  ASSERT (FALSE);
-  return FALSE;
-}
-
diff --git a/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf b/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
index f43953b78c..f631f8d879 100644
--- a/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
@@ -7,7 +7,7 @@
 #  buffer overflow or integer overflow.
 #
 #  Note:
-#  HMAC-MD5 functions, HMAC-SHA1/SHA256 functions, AES/TDES functions, RSA external
+#  HMAC-MD5 functions, HMAC-SHA1/SHA256 functions, AES functions, RSA external
 #  functions, PKCS#7 SignedData sign functions, Diffie-Hellman functions, X.509
 #  certificate handler functions, authenticode signature verification functions,
 #  PEM handler functions, and pseudorandom number generator functions are not
@@ -45,7 +45,6 @@
   Hmac/CryptHmacSha256Null.c
   Kdf/CryptHkdfNull.c
   Cipher/CryptAesNull.c
-  Cipher/CryptTdesNull.c
   Pk/CryptRsaBasic.c
   Pk/CryptRsaExtNull.c
   Pk/CryptPkcs1OaepNull.c
diff --git a/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.uni b/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.uni
index 5abd8e8dfb..c906935d3d 100644
--- a/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.uni
+++ b/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.uni
@@ -6,8 +6,8 @@
 // This external input must be validated carefully to avoid security issues such as
 // buffer overflow or integer overflow.
 //
-// Note: HMAC-MD5 functions, HMAC-SHA1 functions, AES/
-// TDES functions, RSA external functions, PKCS#7 SignedData sign functions,
+// Note: HMAC-MD5 functions, HMAC-SHA1 functions, AES
+// functions, RSA external functions, PKCS#7 SignedData sign functions,
 // Diffie-Hellman functions, X.509 certificate handler functions, authenticode
 // signature verification functions, PEM handler functions, and pseudorandom number
 // generator functions are not supported in this instance.
@@ -21,5 +21,5 @@
 
 #string STR_MODULE_ABSTRACT             #language en-US "Cryptographic Library Instance for PEIM"
 
-#string STR_MODULE_DESCRIPTION          #language en-US "Caution: This module requires additional review when modified. This library will have external input - signature. This external input must be validated carefully to avoid security issues such as buffer overflow or integer overflow. Note: HMAC-MD5 functions, HMAC-SHA1 functions, AES/ TDES functions, RSA external functions, PKCS#7 SignedData sign functions, Diffie-Hellman functions, X.509 certificate handler functions, authenticode signature verification functions, PEM handler functions, and pseudorandom number generator functions are not supported in this instance."
+#string STR_MODULE_DESCRIPTION          #language en-US "Caution: This module requires additional review when modified. This library will have external input - signature. This external input must be validated carefully to avoid security issues such as buffer overflow or integer overflow. Note: HMAC-MD5 functions, HMAC-SHA1 functions, AES functions, RSA external functions, PKCS#7 SignedData sign functions, Diffie-Hellman functions, X.509 certificate handler functions, authenticode signature verification functions, PEM handler functions, and pseudorandom number generator functions are not supported in this instance."
 
diff --git a/CryptoPkg/Library/BaseCryptLib/Pem/CryptPem.c b/CryptoPkg/Library/BaseCryptLib/Pem/CryptPem.c
index 75a133bd0c..6f7e1971f8 100644
--- a/CryptoPkg/Library/BaseCryptLib/Pem/CryptPem.c
+++ b/CryptoPkg/Library/BaseCryptLib/Pem/CryptPem.c
@@ -1,7 +1,7 @@
 /** @file
   PEM (Privacy Enhanced Mail) Format Handler Wrapper Implementation over OpenSSL.
 
-Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2010 - 2020, Intel Corporation. All rights reserved.<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -82,11 +82,8 @@ RsaGetPrivateKeyFromPem (
 
   //
   // Add possible block-cipher descriptor for PEM data decryption.
-  // NOTE: Only support most popular ciphers (3DES, AES) for the encrypted PEM.
+  // NOTE: Only support most popular ciphers AES for the encrypted PEM.
   //
-  if (EVP_add_cipher (EVP_des_ede3_cbc ()) == 0) {
-    return FALSE;
-  }
   if (EVP_add_cipher (EVP_aes_128_cbc ()) == 0) {
     return FALSE;
   }
diff --git a/CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.inf b/CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.inf
index f1eb099b67..672e19299c 100644
--- a/CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.inf
@@ -7,7 +7,7 @@
 #  buffer overflow or integer overflow.
 #
 #  Note: SHA-384 Digest functions, SHA-512 Digest functions,
-#  HMAC-MD5 functions, HMAC-SHA1/SHA256 functions, AES/TDES functions, RSA external
+#  HMAC-MD5 functions, HMAC-SHA1/SHA256 functions, AES functions, RSA external
 #  functions, PKCS#7 SignedData sign functions, Diffie-Hellman functions, and
 #  authenticode signature verification functions are not supported in this instance.
 #
@@ -45,7 +45,6 @@
   Hmac/CryptHmacSha256Null.c
   Kdf/CryptHkdfNull.c
   Cipher/CryptAesNull.c
-  Cipher/CryptTdesNull.c
   Pk/CryptRsaBasic.c
   Pk/CryptRsaExtNull.c
   Pk/CryptPkcs1OaepNull.c
diff --git a/CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.uni b/CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.uni
index 5a48d2a308..0a3bb1c04f 100644
--- a/CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.uni
+++ b/CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.uni
@@ -6,8 +6,8 @@
 // This external input must be validated carefully to avoid security issues such as
 // buffer overflow or integer overflow.
 //
-// Note: HMAC-MD5 functions, HMAC-SHA1 functions, AES/
-// TDES functions, RSA external functions, PKCS#7 SignedData sign functions,
+// Note: HMAC-MD5 functions, HMAC-SHA1 functions, AES
+// functions, RSA external functions, PKCS#7 SignedData sign functions,
 // Diffie-Hellman functions, and authenticode signature verification functions are
 // not supported in this instance.
 //
@@ -20,5 +20,5 @@
 
 #string STR_MODULE_ABSTRACT             #language en-US "Cryptographic Library Instance for DXE_RUNTIME_DRIVER"
 
-#string STR_MODULE_DESCRIPTION          #language en-US "Caution: This module requires additional review when modified. This library will have external input - signature. This external input must be validated carefully to avoid security issues such as buffer overflow or integer overflow. Note: HMAC-MD5 functions, HMAC-SHA1 functions, AES/ TDES functions, RSA external functions, PKCS#7 SignedData sign functions, Diffie-Hellman functions, and authenticode signature verification functions are not supported in this instance."
+#string STR_MODULE_DESCRIPTION          #language en-US "Caution: This module requires additional review when modified. This library will have external input - signature. This external input must be validated carefully to avoid security issues such as buffer overflow or integer overflow. Note: HMAC-MD5 functions, HMAC-SHA1 functions, AES functions, RSA external functions, PKCS#7 SignedData sign functions, Diffie-Hellman functions, and authenticode signature verification functions are not supported in this instance."
 
diff --git a/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf b/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
index 3a94655775..cc3556ae3f 100644
--- a/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
@@ -7,7 +7,7 @@
 #  buffer overflow or integer overflow.
 #
 #  Note: SHA-384 Digest functions, SHA-512 Digest functions,
-#  HMAC-MD5 functions, HMAC-SHA1 functions, TDES functions, RSA external
+#  HMAC-MD5 functions, HMAC-SHA1 functions, RSA external
 #  functions, PKCS#7 SignedData sign functions, Diffie-Hellman functions, and
 #  authenticode signature verification functions are not supported in this instance.
 #
@@ -44,7 +44,6 @@
   Hmac/CryptHmacSha256.c
   Kdf/CryptHkdfNull.c
   Cipher/CryptAes.c
-  Cipher/CryptTdesNull.c
   Pk/CryptRsaBasic.c
   Pk/CryptRsaExtNull.c
   Pk/CryptPkcs1Oaep.c
diff --git a/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.uni b/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.uni
index 0561f107e8..2e362c635f 100644
--- a/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.uni
+++ b/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.uni
@@ -6,8 +6,8 @@
 // This external input must be validated carefully to avoid security issues such as
 // buffer overflow or integer overflow.
 //
-// Note: HMAC-MD5 functions, HMAC-SHA1 functions, AES/
-// TDES functions, RSA external functions, PKCS#7 SignedData sign functions,
+// Note: HMAC-MD5 functions, HMAC-SHA1 functions, AES
+// functions, RSA external functions, PKCS#7 SignedData sign functions,
 // Diffie-Hellman functions, and authenticode signature verification functions are
 // not supported in this instance.
 //
@@ -20,5 +20,5 @@
 
 #string STR_MODULE_ABSTRACT             #language en-US "Cryptographic Library Instance for SMM driver"
 
-#string STR_MODULE_DESCRIPTION          #language en-US "Caution: This module requires additional review when modified. This library will have external input - signature. This external input must be validated carefully to avoid security issues such as buffer overflow or integer overflow. Note: HMAC-MD5 functions, HMAC-SHA1 functions, AES/ TDES functions, RSA external functions, PKCS#7 SignedData sign functions, Diffie-Hellman functions, and authenticode signature verification functions are not supported in this instance."
+#string STR_MODULE_DESCRIPTION          #language en-US "Caution: This module requires additional review when modified. This library will have external input - signature. This external input must be validated carefully to avoid security issues such as buffer overflow or integer overflow. Note: HMAC-MD5 functions, HMAC-SHA1 functions, AES functions, RSA external functions, PKCS#7 SignedData sign functions, Diffie-Hellman functions, and authenticode signature verification functions are not supported in this instance."
 
diff --git a/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf b/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf
index a205c9005d..04b552f8b7 100644
--- a/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf
+++ b/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf
@@ -39,7 +39,6 @@
   Hmac/CryptHmacSha256Null.c
   Kdf/CryptHkdfNull.c
   Cipher/CryptAesNull.c
-  Cipher/CryptTdesNull.c
   Pk/CryptRsaBasicNull.c
   Pk/CryptRsaExtNull.c
   Pk/CryptPkcs1OaepNull.c
diff --git a/CryptoPkg/Library/BaseCryptLibNull/Cipher/CryptTdesNull.c b/CryptoPkg/Library/BaseCryptLibNull/Cipher/CryptTdesNull.c
deleted file mode 100644
index efa2716063..0000000000
--- a/CryptoPkg/Library/BaseCryptLibNull/Cipher/CryptTdesNull.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/** @file
-  TDES Wrapper Implementation which does not provide real capabilities.
-
-Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "InternalCryptLib.h"
-
-/**
-  Retrieves the size, in bytes, of the context buffer required for TDES operations.
-
-  Return zero to indicate this interface is not supported.
-
-  @retval  0   This interface is not supported.
-
-**/
-UINTN
-EFIAPI
-TdesGetContextSize (
-  VOID
-  )
-{
-  ASSERT (FALSE);
-  return 0;
-}
-
-/**
-  Initializes user-supplied memory as TDES context for subsequent use.
-
-  Return FALSE to indicate this interface is not supported.
-
-  @param[out]  TdesContext  Pointer to TDES context being initialized.
-  @param[in]   Key          Pointer to the user-supplied TDES key.
-  @param[in]   KeyLength    Length of TDES key in bits.
-
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesInit (
-  OUT  VOID         *TdesContext,
-  IN   CONST UINT8  *Key,
-  IN   UINTN        KeyLength
-  )
-{
-  ASSERT (FALSE);
-  return FALSE;
-}
-
-/**
-  Performs TDES encryption on a data buffer of the specified size in ECB mode.
-
-  Return FALSE to indicate this interface is not supported.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesEcbEncrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  OUT  UINT8        *Output
-  )
-{
-  ASSERT (FALSE);
-  return FALSE;
-}
-
-/**
-  Performs TDES decryption on a data buffer of the specified size in ECB mode.
-
-  Return FALSE to indicate this interface is not supported.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be decrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES decryption output.
-
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesEcbDecrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  OUT  UINT8        *Output
-  )
-{
-  ASSERT (FALSE);
-  return FALSE;
-}
-
-/**
-  Performs TDES encryption on a data buffer of the specified size in CBC mode.
-
-  Return FALSE to indicate this interface is not supported.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesCbcEncrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  IN   CONST UINT8  *Ivec,
-  OUT  UINT8        *Output
-  )
-{
-  ASSERT (FALSE);
-  return FALSE;
-}
-
-/**
-  Performs TDES decryption on a data buffer of the specified size in CBC mode.
-
-  Return FALSE to indicate this interface is not supported.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesCbcDecrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  IN   CONST UINT8  *Ivec,
-  OUT  UINT8        *Output
-  )
-{
-  ASSERT (FALSE);
-  return FALSE;
-}
-
diff --git a/CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c b/CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c
index 77915bdb86..43ee4e0841 100644
--- a/CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c
+++ b/CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c
@@ -1467,220 +1467,6 @@ HmacSha256Final (
 //    Symmetric Cryptography Primitive
 //=====================================================================================
 
-/**
-  Retrieves the size, in bytes, of the context buffer required for TDES operations.
-
-  If this interface is not supported, then return zero.
-
-  @return  The size, in bytes, of the context buffer required for TDES operations.
-  @retval  0   This interface is not supported.
-
-**/
-UINTN
-EFIAPI
-TdesGetContextSize (
-  VOID
-  )
-{
-  CALL_CRYPTO_SERVICE (TdesGetContextSize, (), 0);
-}
-
-/**
-  Initializes user-supplied memory as TDES context for subsequent use.
-
-  This function initializes user-supplied memory pointed by TdesContext as TDES context.
-  In addition, it sets up all TDES key materials for subsequent encryption and decryption
-  operations.
-  There are 3 key options as follows:
-  KeyLength = 64,  Keying option 1: K1 == K2 == K3 (Backward compatibility with DES)
-  KeyLength = 128, Keying option 2: K1 != K2 and K3 = K1 (Less Security)
-  KeyLength = 192  Keying option 3: K1 != K2 != K3 (Strongest)
-
-  If TdesContext is NULL, then return FALSE.
-  If Key is NULL, then return FALSE.
-  If KeyLength is not valid, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[out]  TdesContext  Pointer to TDES context being initialized.
-  @param[in]   Key          Pointer to the user-supplied TDES key.
-  @param[in]   KeyLength    Length of TDES key in bits.
-
-  @retval TRUE   TDES context initialization succeeded.
-  @retval FALSE  TDES context initialization failed.
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesInit (
-  OUT  VOID         *TdesContext,
-  IN   CONST UINT8  *Key,
-  IN   UINTN        KeyLength
-  )
-{
-  CALL_CRYPTO_SERVICE (TdesInit, (TdesContext, Key, KeyLength), FALSE);
-}
-
-/**
-  Performs TDES encryption on a data buffer of the specified size in ECB mode.
-
-  This function performs TDES encryption on data buffer pointed by Input, of specified
-  size of InputSize, in ECB mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES encryption succeeded.
-  @retval FALSE  TDES encryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesEcbEncrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  OUT  UINT8        *Output
-  )
-{
-  CALL_CRYPTO_SERVICE (TdesEcbEncrypt, (TdesContext, Input, InputSize, Output), FALSE);
-}
-
-/**
-  Performs TDES decryption on a data buffer of the specified size in ECB mode.
-
-  This function performs TDES decryption on data buffer pointed by Input, of specified
-  size of InputSize, in ECB mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be decrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES decryption output.
-
-  @retval TRUE   TDES decryption succeeded.
-  @retval FALSE  TDES decryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesEcbDecrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  OUT  UINT8        *Output
-  )
-{
-  CALL_CRYPTO_SERVICE (TdesEcbDecrypt, (TdesContext, Input, InputSize, Output), FALSE);
-}
-
-/**
-  Performs TDES encryption on a data buffer of the specified size in CBC mode.
-
-  This function performs TDES encryption on data buffer pointed by Input, of specified
-  size of InputSize, in CBC mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  Initialization vector should be one block size (8 bytes).
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Ivec is NULL, then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES encryption succeeded.
-  @retval FALSE  TDES encryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesCbcEncrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  IN   CONST UINT8  *Ivec,
-  OUT  UINT8        *Output
-  )
-{
-  CALL_CRYPTO_SERVICE (TdesCbcEncrypt, (TdesContext, Input, InputSize, Ivec, Output), FALSE);
-}
-
-/**
-  Performs TDES decryption on a data buffer of the specified size in CBC mode.
-
-  This function performs TDES decryption on data buffer pointed by Input, of specified
-  size of InputSize, in CBC mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  Initialization vector should be one block size (8 bytes).
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Ivec is NULL, then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES decryption succeeded.
-  @retval FALSE  TDES decryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
-BOOLEAN
-EFIAPI
-TdesCbcDecrypt (
-  IN   VOID         *TdesContext,
-  IN   CONST UINT8  *Input,
-  IN   UINTN        InputSize,
-  IN   CONST UINT8  *Ivec,
-  OUT  UINT8        *Output
-  )
-{
-  CALL_CRYPTO_SERVICE (TdesCbcDecrypt, (TdesContext, Input, InputSize, Ivec, Output), FALSE);
-}
-
 /**
   Retrieves the size, in bytes, of the context buffer required for AES operations.
 
diff --git a/CryptoPkg/Private/Protocol/Crypto.h b/CryptoPkg/Private/Protocol/Crypto.h
index f36c5c1aff..a30660c192 100644
--- a/CryptoPkg/Private/Protocol/Crypto.h
+++ b/CryptoPkg/Private/Protocol/Crypto.h
@@ -2396,155 +2396,45 @@ BOOLEAN
 //=====================================================================================
 
 /**
-  Retrieves the size, in bytes, of the context buffer required for TDES operations.
-
-  If this interface is not supported, then return zero.
-
-  @return  The size, in bytes, of the context buffer required for TDES operations.
-  @retval  0   This interface is not supported.
+  TDES is deprecated and unsupported any longer.
+  Keep the function field for binary compability.
 
 **/
 typedef
 UINTN
-(EFIAPI *EDKII_CRYPTO_TDES_GET_CONTEXT_SIZE) (
+(EFIAPI *DEPRECATED_EDKII_CRYPTO_TDES_GET_CONTEXT_SIZE) (
   VOID
   );
 
-/**
-  Initializes user-supplied memory as TDES context for subsequent use.
-
-  This function initializes user-supplied memory pointed by TdesContext as TDES context.
-  In addition, it sets up all TDES key materials for subsequent encryption and decryption
-  operations.
-  There are 3 key options as follows:
-  KeyLength = 64,  Keying option 1: K1 == K2 == K3 (Backward compatibility with DES)
-  KeyLength = 128, Keying option 2: K1 != K2 and K3 = K1 (Less Security)
-  KeyLength = 192  Keying option 3: K1 != K2 != K3 (Strongest)
-
-  If TdesContext is NULL, then return FALSE.
-  If Key is NULL, then return FALSE.
-  If KeyLength is not valid, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[out]  TdesContext  Pointer to TDES context being initialized.
-  @param[in]   Key          Pointer to the user-supplied TDES key.
-  @param[in]   KeyLength    Length of TDES key in bits.
-
-  @retval TRUE   TDES context initialization succeeded.
-  @retval FALSE  TDES context initialization failed.
-  @retval FALSE  This interface is not supported.
-
-**/
 typedef
 BOOLEAN
-(EFIAPI *EDKII_CRYPTO_TDES_INIT) (
+(EFIAPI *DEPRECATED_EDKII_CRYPTO_TDES_INIT) (
   OUT  VOID         *TdesContext,
   IN   CONST UINT8  *Key,
   IN   UINTN        KeyLength
   );
 
-/**
-  Performs TDES encryption on a data buffer of the specified size in ECB mode.
-
-  This function performs TDES encryption on data buffer pointed by Input, of specified
-  size of InputSize, in ECB mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES encryption succeeded.
-  @retval FALSE  TDES encryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
 typedef
 BOOLEAN
-(EFIAPI *EDKII_CRYPTO_TDES_ECB_ENCRYPT) (
+(EFIAPI *DEPRECATED_EDKII_CRYPTO_TDES_ECB_ENCRYPT) (
   IN   VOID         *TdesContext,
   IN   CONST UINT8  *Input,
   IN   UINTN        InputSize,
   OUT  UINT8        *Output
   );
 
-/**
-  Performs TDES decryption on a data buffer of the specified size in ECB mode.
-
-  This function performs TDES decryption on data buffer pointed by Input, of specified
-  size of InputSize, in ECB mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be decrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[out]  Output       Pointer to a buffer that receives the TDES decryption output.
-
-  @retval TRUE   TDES decryption succeeded.
-  @retval FALSE  TDES decryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
 typedef
 BOOLEAN
-(EFIAPI *EDKII_CRYPTO_TDES_ECB_DECRYPT) (
+(EFIAPI *DEPRECATED_EDKII_CRYPTO_TDES_ECB_DECRYPT) (
   IN   VOID         *TdesContext,
   IN   CONST UINT8  *Input,
   IN   UINTN        InputSize,
   OUT  UINT8        *Output
   );
 
-/**
-  Performs TDES encryption on a data buffer of the specified size in CBC mode.
-
-  This function performs TDES encryption on data buffer pointed by Input, of specified
-  size of InputSize, in CBC mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  Initialization vector should be one block size (8 bytes).
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Ivec is NULL, then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES encryption succeeded.
-  @retval FALSE  TDES encryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
 typedef
 BOOLEAN
-(EFIAPI *EDKII_CRYPTO_TDES_CBC_ENCRYPT) (
+(EFIAPI *DEPRECATED_EDKII_CRYPTO_TDES_CBC_ENCRYPT) (
   IN   VOID         *TdesContext,
   IN   CONST UINT8  *Input,
   IN   UINTN        InputSize,
@@ -2552,38 +2442,9 @@ BOOLEAN
   OUT  UINT8        *Output
   );
 
-/**
-  Performs TDES decryption on a data buffer of the specified size in CBC mode.
-
-  This function performs TDES decryption on data buffer pointed by Input, of specified
-  size of InputSize, in CBC mode.
-  InputSize must be multiple of block size (8 bytes). This function does not perform
-  padding. Caller must perform padding, if necessary, to ensure valid input data size.
-  Initialization vector should be one block size (8 bytes).
-  TdesContext should be already correctly initialized by TdesInit(). Behavior with
-  invalid TDES context is undefined.
-
-  If TdesContext is NULL, then return FALSE.
-  If Input is NULL, then return FALSE.
-  If InputSize is not multiple of block size (8 bytes), then return FALSE.
-  If Ivec is NULL, then return FALSE.
-  If Output is NULL, then return FALSE.
-  If this interface is not supported, then return FALSE.
-
-  @param[in]   TdesContext  Pointer to the TDES context.
-  @param[in]   Input        Pointer to the buffer containing the data to be encrypted.
-  @param[in]   InputSize    Size of the Input buffer in bytes.
-  @param[in]   Ivec         Pointer to initialization vector.
-  @param[out]  Output       Pointer to a buffer that receives the TDES encryption output.
-
-  @retval TRUE   TDES decryption succeeded.
-  @retval FALSE  TDES decryption failed.
-  @retval FALSE  This interface is not supported.
-
-**/
 typedef
 BOOLEAN
-(EFIAPI *EDKII_CRYPTO_TDES_CBC_DECRYPT) (
+(EFIAPI *DEPRECATED_EDKII_CRYPTO_TDES_CBC_DECRYPT) (
   IN   VOID         *TdesContext,
   IN   CONST UINT8  *Input,
   IN   UINTN        InputSize,
@@ -3911,13 +3772,13 @@ struct _EDKII_CRYPTO_PROTOCOL {
   EDKII_CRYPTO_X509_FREE                          X509Free;
   EDKII_CRYPTO_X509_STACK_FREE                    X509StackFree;
   EDKII_CRYPTO_X509_GET_TBS_CERT                  X509GetTBSCert;
-  /// TDES
-  EDKII_CRYPTO_TDES_GET_CONTEXT_SIZE              TdesGetContextSize;
-  EDKII_CRYPTO_TDES_INIT                          TdesInit;
-  EDKII_CRYPTO_TDES_ECB_ENCRYPT                   TdesEcbEncrypt;
-  EDKII_CRYPTO_TDES_ECB_DECRYPT                   TdesEcbDecrypt;
-  EDKII_CRYPTO_TDES_CBC_ENCRYPT                   TdesCbcEncrypt;
-  EDKII_CRYPTO_TDES_CBC_DECRYPT                   TdesCbcDecrypt;
+  /// TDES - deprecated and unsupported
+  DEPRECATED_EDKII_CRYPTO_TDES_GET_CONTEXT_SIZE   DeprecatedTdesGetContextSize;
+  DEPRECATED_EDKII_CRYPTO_TDES_INIT               DeprecatedTdesInit;
+  DEPRECATED_EDKII_CRYPTO_TDES_ECB_ENCRYPT        DeprecatedTdesEcbEncrypt;
+  DEPRECATED_EDKII_CRYPTO_TDES_ECB_DECRYPT        DeprecatedTdesEcbDecrypt;
+  DEPRECATED_EDKII_CRYPTO_TDES_CBC_ENCRYPT        DeprecatedTdesCbcEncrypt;
+  DEPRECATED_EDKII_CRYPTO_TDES_CBC_DECRYPT        DeprecatedTdesCbcDecrypt;
   /// AES
   EDKII_CRYPTO_AES_GET_CONTEXT_SIZE               AesGetContextSize;
   EDKII_CRYPTO_AES_INIT                           AesInit;
-- 
2.21.0.windows.1