1 files changed, 150 insertions, 0 deletions
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptDhNull.c b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptDhNull.c
new file mode 100644
index 0000000000..daaf818250
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptDhNull.c
@@ -0,0 +1,150 @@
+/** @file
+  Diffie-Hellman Wrapper Implementation which does not provide
+  real capabilities.
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "InternalCryptLib.h"
+
+/**
+  Allocates and Initializes one Diffie-Hellman Context for subsequent use.
+
+  @return  Pointer to the Diffie-Hellman Context that has been initialized.
+           If the interface is not supported, DhNew() returns NULL.
+
+**/
+VOID *
+EFIAPI
+DhNew (
+  VOID
+  )
+{
+  ASSERT (FALSE);
+  return NULL;
+}
+
+/**
+  Release the specified DH context.
+
+  If the interface is not supported, then ASSERT().
+
+  @param[in]  DhContext  Pointer to the DH context to be released.
+
+**/
+VOID
+EFIAPI
+DhFree (
+  IN  VOID  *DhContext
+  )
+{
+  ASSERT (FALSE);
+}
+
+/**
+  Generates DH parameter.
+
+  Return FALSE to indicate this interface is not supported.
+
+  @param[in, out]  DhContext    Pointer to the DH context.
+  @param[in]       Generator    Value of generator.
+  @param[in]       PrimeLength  Length in bits of prime to be generated.
+  @param[out]      Prime        Pointer to the buffer to receive the generated prime number.
+
+  @retval FALSE  This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+DhGenerateParameter (
+  IN OUT  VOID   *DhContext,
+  IN      UINTN  Generator,
+  IN      UINTN  PrimeLength,
+  OUT     UINT8  *Prime
+  )
+{
+  ASSERT (FALSE);
+  return FALSE;
+}
+
+/**
+  Sets generator and prime parameters for DH.
+
+  Return FALSE to indicate this interface is not supported.
+
+  @param[in, out]  DhContext    Pointer to the DH context.
+  @param[in]       Generator    Value of generator.
+  @param[in]       PrimeLength  Length in bits of prime to be generated.
+  @param[in]       Prime        Pointer to the prime number.
+
+  @retval FALSE  This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+DhSetParameter (
+  IN OUT  VOID         *DhContext,
+  IN      UINTN        Generator,
+  IN      UINTN        PrimeLength,
+  IN      CONST UINT8  *Prime
+  )
+{
+  ASSERT (FALSE);
+  return FALSE;
+}
+
+/**
+  Generates DH public key.
+
+  Return FALSE to indicate this interface is not supported.
+
+  @param[in, out]  DhContext      Pointer to the DH context.
+  @param[out]      PublicKey      Pointer to the buffer to receive generated public key.
+  @param[in, out]  PublicKeySize  On input, the size of PublicKey buffer in bytes.
+                                  On output, the size of data returned in PublicKey buffer in bytes.
+
+  @retval FALSE  This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+DhGenerateKey (
+  IN OUT  VOID   *DhContext,
+  OUT     UINT8  *PublicKey,
+  IN OUT  UINTN  *PublicKeySize
+  )
+{
+  ASSERT (FALSE);
+  return FALSE;
+}
+
+/**
+  Computes exchanged common key.
+
+  Return FALSE to indicate this interface is not supported.
+
+  @param[in, out]  DhContext          Pointer to the DH context.
+  @param[in]       PeerPublicKey      Pointer to the peer's public key.
+  @param[in]       PeerPublicKeySize  Size of peer's public key in bytes.
+  @param[out]      Key                Pointer to the buffer to receive generated key.
+  @param[in, out]  KeySize            On input, the size of Key buffer in bytes.
+                                      On output, the size of data returned in Key buffer in bytes.
+
+  @retval FALSE  This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+DhComputeKey (
+  IN OUT  VOID         *DhContext,
+  IN      CONST UINT8  *PeerPublicKey,
+  IN      UINTN        PeerPublicKeySize,
+  OUT     UINT8        *Key,
+  IN OUT  UINTN        *KeySize
+  )
+{
+  ASSERT (FALSE);
+  return FALSE;
+}