1 files changed, 100 insertions, 0 deletions
diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7VerifyNull.c b/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7VerifyNull.c
new file mode 100644
index 0000000000..9a4c77a2fe
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7VerifyNull.c
@@ -0,0 +1,100 @@
+/** @file
+  PKCS#7 SignedData Verification Wrapper Implementation which does not provide
+  real capabilities.
+
+Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution.  The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "InternalCryptLib.h"
+
+/**
+  Get the signer's certificates from PKCS#7 signed data as described in "PKCS #7:
+  Cryptographic Message Syntax Standard". The input signed data could be wrapped
+  in a ContentInfo structure.
+
+  Return FALSE to indicate this interface is not supported.
+
+  @param[in]  P7Data       Pointer to the PKCS#7 message to verify.
+  @param[in]  P7Length     Length of the PKCS#7 message in bytes.
+  @param[out] CertStack    Pointer to Signer's certificates retrieved from P7Data.
+                           It's caller's responsiblity to free the buffer.
+  @param[out] StackLength  Length of signer's certificates in bytes.
+  @param[out] TrustedCert  Pointer to a trusted certificate from Signer's certificates.
+                           It's caller's responsiblity to free the buffer.
+  @param[out] CertLength   Length of the trusted certificate in bytes.
+
+  @retval FALSE  This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+Pkcs7GetSigners (
+  IN  CONST UINT8  *P7Data,
+  IN  UINTN        P7Length,
+  OUT UINT8        **CertStack,
+  OUT UINTN        *StackLength,
+  OUT UINT8        **TrustedCert,
+  OUT UINTN        *CertLength
+  )
+{
+  ASSERT (FALSE);
+  return FALSE;
+}
+
+/**
+  Wrap function to use free() to free allocated memory for certificates.
+
+  If the interface is not supported, then ASSERT().
+  
+  @param[in]  Certs        Pointer to the certificates to be freed.
+
+**/
+VOID
+EFIAPI
+Pkcs7FreeSigners (
+  IN  UINT8        *Certs
+  )
+{
+  ASSERT (FALSE);
+}
+
+/**
+  Verifies the validility of a PKCS#7 signed data as described in "PKCS #7:
+  Cryptographic Message Syntax Standard". The input signed data could be wrapped
+  in a ContentInfo structure.
+
+  Return FALSE to indicate this interface is not supported.
+
+  @param[in]  P7Data       Pointer to the PKCS#7 message to verify.
+  @param[in]  P7Length     Length of the PKCS#7 message in bytes.
+  @param[in]  TrustedCert  Pointer to a trusted/root certificate encoded in DER, which
+                           is used for certificate chain verification.
+  @param[in]  CertLength   Length of the trusted certificate in bytes.
+  @param[in]  InData       Pointer to the content to be verified.
+  @param[in]  DataLength   Length of InData in bytes.
+
+  @retval FALSE  This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+Pkcs7Verify (
+  IN  CONST UINT8  *P7Data,
+  IN  UINTN        P7Length,
+  IN  CONST UINT8  *TrustedCert,
+  IN  UINTN        CertLength,
+  IN  CONST UINT8  *InData,
+  IN  UINTN        DataLength
+  )
+{
+  ASSERT (FALSE);
+  return FALSE;
+}