From: Bret Barkelew <bret.barke...@microsoft.com>
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1402
Add the API VerifyEKUsInPkcs7Signature to check if x509 cert
has any or all EKUs.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Zhichao Gao <zhichao....@intel.com>
Cc: Ting Ye <ting...@intel.com>
Cc: Gang Wei <gang....@intel.com>
Cc: Wang Jian J <jian.j.w...@intel.com>
Cc: Liming Gao <liming....@intel.com>
Cc: Sean Brogan <sean.bro...@microsoft.com>
Cc: Michael Turner <michael.tur...@microsoft.com>
Cc: Bret Barkelew <bret.barke...@microsoft.com>
---
CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf | 1 +
CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf | 3 +-
.../Library/BaseCryptLib/Pk/CryptPkcs7VerifyEku.c | 539 +++++++++++++++++++++
.../BaseCryptLib/Pk/CryptPkcs7VerifyEkuRuntime.c | 75 +++
CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.inf | 1 +
CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf | 1 +
6 files changed, 619 insertions(+), 1 deletion(-)
create mode 100644 CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7VerifyEku.c
create mode 100644
CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7VerifyEkuRuntime.c
diff --git a/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
b/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
index 5988c103c6..dbddd98c59 100644
--- a/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
@@ -51,6 +51,7 @@
Pk/CryptPkcs7Sign.c
Pk/CryptPkcs7VerifyCommon.c
Pk/CryptPkcs7VerifyBase.c
+ Pk/CryptPkcs7VerifyEku.c
Pk/CryptDh.c
Pk/CryptX509.c
Pk/CryptAuthenticode.c
diff --git a/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
b/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
index e84d7f91e4..5dbb115734 100644
--- a/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
@@ -13,7 +13,7 @@
# PEM handler functions, and pseudorandom number generator functions are not
# supported in this instance.
#
-# Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2010 - 2019, 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
@@ -58,6 +58,7 @@
Pk/CryptPkcs7SignNull.c
Pk/CryptPkcs7VerifyCommon.c
Pk/CryptPkcs7VerifyBase.c
+ Pk/CryptPkcs7VerifyEku.c
Pk/CryptDhNull.c
Pk/CryptX509Null.c
diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7VerifyEku.c
b/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7VerifyEku.c
new file mode 100644
index 0000000000..0384b53476
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7VerifyEku.c
@@ -0,0 +1,539 @@
+/** @file
+ This module verifies that Enhanced Key Usages (EKU's) are present within
+ a PKCS7 signature blob using OpenSSL.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ THE POSSIBILITY OF SUCH DAMAGE.
+
+ Copyright (C) Microsoft Corporation. All Rights Reserved.
+ Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+**/
+
+#include <Base.h>
+#include "InternalCryptLib.h"
+#include <openssl/x509v3.h>
+#include <openssl/asn1.h>
+#include <openssl/x509.h>
+#include <openssl/bio.h>
+#include <internal/x509_int.h>
+#include <openssl/pkcs7.h>
+#include <openssl/bn.h>
+#include <openssl/x509_vfy.h>
+#include <openssl/pem.h>
+#include <openssl/evp.h>
+#include <internal/asn1_int.h>
+
+/**
+ This function will return the leaf signer certificate in a chain. This is
+ required because certificate chains are not guaranteed to have the
+ certificates in the order that they were issued.
+
+ A typical certificate chain looks like this:
+
+
+ ----------------------------
+ | Root |
+ ----------------------------
+ ^
+ |
+ ----------------------------
+ | Policy CA | <-- Typical Trust Anchor.
+ ----------------------------
+ ^
+ |
+ ----------------------------
+ | Issuing CA |
+ ----------------------------
+ ^
+ |
+ -----------------------------
+ / End-Entity (leaf) signer / <-- Bottom certificate.
+ ----------------------------- EKU: "1.3.6.1.4.1.311.76.9.21.1"
+ (Firmware Signing)
+
+
+ @param[in] CertChain Certificate chain.
+
+ @param[out] SignerCert Last certificate in the chain. For PKCS7
signatures,
+ this will be the end-entity (leaf) signer
cert.
+
+ @retval EFI_SUCCESS The required EKUs were found in the
signature.
+ @retval EFI_INVALID_PARAMETER A parameter was invalid.
+ @retval EFI_NOT_FOUND The number of signers found was not 1.
+
+**/
+EFI_STATUS
+GetSignerCertificate (
+ IN CONST PKCS7 *CertChain,
+ OUT X509 **SignerCert
+ )
+{
+ EFI_STATUS Status;
+ STACK_OF(X509) *Signers;
+ INT32 NumberSigners;
+
+ Status = EFI_SUCCESS;
+ Signers = NULL;
+ NumberSigners = 0;
+
+ if (CertChain == NULL || SignerCert == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Exit;
+ }
+
+ //
+ // Get the signers from the chain.
+ //
+ Signers = PKCS7_get0_signers ((PKCS7*) CertChain, NULL, PKCS7_BINARY);
+ if (Signers == NULL) {
+ //
+ // Fail to get signers form PKCS7
+ //
+ Status = EFI_INVALID_PARAMETER;
+ goto Exit;
+ }
+
+ //
+ // There should only be one signer in the PKCS7 stack.
+ //
+ NumberSigners = sk_X509_num (Signers);
+ if (NumberSigners != 1) {
+ //
+ // The number of singers should have been 1
+ //
+ Status = EFI_NOT_FOUND;
+ goto Exit;
+ }
+
+ *SignerCert = sk_X509_value (Signers, 0);
+
+Exit:
+ //
+ // Release Resources
+ //
+ if (Signers) {
+ sk_X509_free (Signers);
+ }
+
+ return Status;
+}
+
+
+/**
+ Determines if the specified EKU represented in ASN1 form is present
+ in a given certificate.
+
+ @param[in] Cert The certificate to check.
+
+ @param[in] Asn1ToFind The EKU to look for.
+
+ @retval EFI_SUCCESS We successfully identified the signing
type.
+ @retval EFI_INVALID_PARAMETER A parameter was invalid.
+ @retval EFI_NOT_FOUND One or more EKU's were not found in the
signature.
+
+**/
+EFI_STATUS
+IsEkuInCertificate (
+ IN CONST X509 *Cert,
+ IN ASN1_OBJECT *Asn1ToFind
+ )
+{
+ EFI_STATUS Status;
+ X509 *ClonedCert;
+ X509_EXTENSION *Extension;
+ EXTENDED_KEY_USAGE *Eku;
+ INT32 ExtensionIndex;
+ INTN NumExtensions;
+ ASN1_OBJECT *Asn1InCert;
+ INTN Index;
+
+ Status = EFI_NOT_FOUND;
+ ClonedCert = NULL;
+ Extension = NULL;
+ Eku = NULL;
+ ExtensionIndex = -1;
+ NumExtensions = 0;
+ Asn1InCert = NULL;
+
+ if (Cert == NULL || Asn1ToFind == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Exit;
+ }
+
+ //
+ // Clone the certificate. This is required because the Extension API's
+ // only work once per instance of an X509 object.
+ //
+ ClonedCert = X509_dup ((X509*)Cert);
+ if (ClonedCert == NULL) {
+ //
+ // Fail to duplicate cert.
+ //
+ Status = EFI_INVALID_PARAMETER;
+ goto Exit;
+ }
+
+ //
+ // Look for the extended key usage.
+ //
+ ExtensionIndex = X509_get_ext_by_NID (ClonedCert, NID_ext_key_usage, -1);
+
+ if (ExtensionIndex < 0) {
+ //
+ // Fail to find 'NID_ext_key_usage' in Cert.
+ //
+ goto Exit;
+ }
+
+ Extension = X509_get_ext (ClonedCert, ExtensionIndex);
+ if (Extension == NULL) {
+ //
+ // Fail to get Extension form cert.
+ //
+ goto Exit;
+ }
+
+ Eku = (EXTENDED_KEY_USAGE*)X509V3_EXT_d2i (Extension);
+ if (Eku == NULL) {
+ //
+ // Fail to get Eku from extension.
+ //
+ goto Exit;
+ }
+
+ NumExtensions = sk_ASN1_OBJECT_num (Eku);
+
+ //
+ // Now loop through the extensions, looking for the specified Eku.
+ //
+ for (Index = 0; Index < NumExtensions; Index++) {
+ Asn1InCert = sk_ASN1_OBJECT_value (Eku, (INT32)Index);
+ if (Asn1InCert == NULL) {
+ //
+ // Fail to get ASN object from Eku.
+ //
+ goto Exit;
+ }
+
+ if (Asn1InCert->length == Asn1ToFind->length &&
+ CompareMem (Asn1InCert->data, Asn1ToFind->data, Asn1InCert->length) ==
0) {
+ //
+ // Found Eku in certificate.
+ //
+ Status = EFI_SUCCESS;
+ goto Exit;
+ }
+ }
+
+Exit:
+
+ //
+ // Release Resources
+ //
+ if (ClonedCert) {
+ X509_free (ClonedCert);
+ }
+
+ if (Eku) {
+ sk_ASN1_OBJECT_pop_free (Eku, ASN1_OBJECT_free);
+ }
+
+ return Status;
+}
+
+
+/**
+ Determines if the specified EKUs are present in a signing certificate.
+
+ @param[in] SignerCert The certificate to check.
+ @param[in] RequiredEKUs The EKUs to look for.
+ @param[in] RequiredEKUsSize The number of EKUs
+ @param[in] RequireAllPresent If TRUE, then all the specified EKUs
+ must be present in the certificate.
+
+ @retval EFI_SUCCESS We successfully identified the signing
type.
+ @retval EFI_INVALID_PARAMETER A parameter was invalid.
+ @retval EFI_NOT_FOUND One or more EKU's were not found in the
signature.
+**/
+EFI_STATUS
+CheckEKUs(
+ IN CONST X509 *SignerCert,
+ IN CONST CHAR8 *RequiredEKUs[],
+ IN CONST UINT32 RequiredEKUsSize,
+ IN BOOLEAN RequireAllPresent
+ )
+{
+ EFI_STATUS Status;
+ ASN1_OBJECT *Asn1ToFind;
+ UINT32 NumEkusFound;
+ UINT32 Index;
+
+ Status = EFI_SUCCESS;
+ Asn1ToFind = NULL;
+ NumEkusFound = 0;
+
+ if (SignerCert == NULL || RequiredEKUs == NULL || RequiredEKUsSize == 0) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Exit;
+ }
+
+ for (Index = 0; Index < RequiredEKUsSize; Index++) {
+ //
+ // Finding required EKU in cert.
+ //
+ if (Asn1ToFind) {
+ ASN1_OBJECT_free(Asn1ToFind);
+ Asn1ToFind = NULL;
+ }
+
+ Asn1ToFind = OBJ_txt2obj (RequiredEKUs[Index], 0);
+ if (!Asn1ToFind) {
+ //
+ // Fail to convert required EKU to ASN1.
+ //
+ Status = EFI_INVALID_PARAMETER;
+ goto Exit;
+ }
+
+ Status = IsEkuInCertificate (SignerCert, Asn1ToFind);
+ if (Status == EFI_SUCCESS) {
+ NumEkusFound++;
+ if (!RequireAllPresent) {
+ //
+ // Found at least one, so we are done.
+ //
+ goto Exit;
+ }
+ } else {
+ //
+ // Fail to find Eku in cert
+ break;
+ }
+ }
+
+Exit:
+
+ if (Asn1ToFind) {
+ ASN1_OBJECT_free(Asn1ToFind);
+ }
+
+ if (RequireAllPresent &&
+ NumEkusFound == RequiredEKUsSize) {
+ //
+ // Found all required EKUs in certificate.
+ //
+ Status = EFI_SUCCESS;
+ }
+
+ return Status;
+}
+
+/**
+ This function receives a PKCS#7 formatted signature blob,
+ looks for the EKU SEQUENCE blob, and if found then looks
+ for all the required EKUs. This function was created so that
+ the Surface team can cut down on the number of Certificate
+ Authorities (CA's) by checking EKU's on leaf signers for
+ a specific product. This prevents one product's certificate
+ from signing another product's firmware or unlock blobs.
+
+ Note that this function does not validate the certificate chain.
+ That needs to be done before using this function.
+
+ @param[in] Pkcs7Signature The PKCS#7 signed information content
block. An array
+ containing the content block with both the
signature,
+ the signer's certificate, and any necessary
intermediate
+ certificates.
+ @param[in] Pkcs7SignatureSize Number of bytes in Pkcs7Signature.
+ @param[in] RequiredEKUs Array of null-terminated strings listing
OIDs of
+ required EKUs that must be present in the
signature.
+ @param[in] RequiredEKUsSize Number of elements in the RequiredEKUs
string array.
+ @param[in] RequireAllPresent If this is TRUE, then all of the specified
EKU's
+ must be present in the leaf signer. If it
is
+ FALSE, then we will succeed if we find any
+ of the specified EKU's.
+
+ @retval EFI_SUCCESS The required EKUs were found in the
signature.
+ @retval EFI_INVALID_PARAMETER A parameter was invalid.
+ @retval EFI_NOT_FOUND One or more EKU's were not found in the
signature.
+
+**/
+EFI_STATUS
+EFIAPI
+VerifyEKUsInPkcs7Signature (
+ IN CONST UINT8 *Pkcs7Signature,
+ IN CONST UINT32 SignatureSize,
+ IN CONST CHAR8 *RequiredEKUs[],
+ IN CONST UINT32 RequiredEKUsSize,
+ IN BOOLEAN RequireAllPresent
+ )
+{
+ EFI_STATUS Status;
+ PKCS7 *Pkcs7;
+ STACK_OF(X509) *CertChain;
+ INT32 SignatureType;
+ INT32 NumberCertsInSignature;
+ X509 *SignerCert;
+ UINT8 *SignedData;
+ UINT8 *Temp;
+ UINTN SignedDataSize;
+ BOOLEAN IsWrapped;
+ BOOLEAN Ok;
+
+ Status = EFI_SUCCESS;
+ Pkcs7 = NULL;
+ CertChain = NULL;
+ SignatureType = 0;
+ NumberCertsInSignature = 0;
+ SignerCert = NULL;
+ SignedData = NULL;
+ SignedDataSize = 0;
+ IsWrapped = FALSE;
+ Ok = FALSE;
+
+ //
+ //Validate the input parameters.
+ //
+ if (Pkcs7Signature == NULL ||
+ SignatureSize == 0 ||
+ RequiredEKUs == NULL ||
+ RequiredEKUsSize == 0) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Exit;
+ }
+
+ if (RequiredEKUsSize == 1) {
+ RequireAllPresent = TRUE;
+ }
+
+ //
+ // Wrap the PKCS7 data if needed.
+ //
+ Ok = WrapPkcs7Data (Pkcs7Signature,
+ SignatureSize,
+ &IsWrapped,
+ &SignedData,
+ &SignedDataSize);
+ if (!Ok) {
+ //
+ // Fail to Wrap the PKCS7 data.
+ //
+ Status = EFI_INVALID_PARAMETER;
+ goto Exit;
+ }
+
+ Temp = SignedData;
+
+ //
+ // Create the PKCS7 object.
+ //
+ Pkcs7 = d2i_PKCS7 (NULL, (const unsigned char **)&Temp,
(INT32)SignedDataSize);
+ if (Pkcs7 == NULL) {
+ //
+ // Fail to read PKCS7 data.
+ //
+ Status = EFI_INVALID_PARAMETER;
+ goto Exit;
+ }
+
+ //
+ // Get the certificate chain.
+ //
+ SignatureType = OBJ_obj2nid (Pkcs7->type);
+ switch (SignatureType) {
+ case NID_pkcs7_signed:
+ if (Pkcs7->d.sign != NULL) {
+ CertChain = Pkcs7->d.sign->cert;
+ }
+ break;
+ case NID_pkcs7_signedAndEnveloped:
+ if (Pkcs7->d.signed_and_enveloped != NULL) {
+ CertChain = Pkcs7->d.signed_and_enveloped->cert;
+ }
+ break;
+ default:
+ break;
+ }
+
+ //
+ // Ensure we have a certificate stack
+ //
+ if (CertChain == NULL) {
+ //
+ // Fail to get the certificate stack from signature.
+ //
+ Status = EFI_INVALID_PARAMETER;
+ goto Exit;
+ }
+
+ //
+ // Find out how many certificates were in the PKCS7 signature.
+ //
+ NumberCertsInSignature = sk_X509_num (CertChain);
+
+ if (NumberCertsInSignature == 0) {
+ //
+ // Fail to find any certificates in signature.
+ //
+ Status = EFI_INVALID_PARAMETER;
+ goto Exit;
+ }
+
+ //
+ // Get the leaf signer.
+ //
+ Status = GetSignerCertificate (Pkcs7, &SignerCert);
+ if (Status != EFI_SUCCESS || SignerCert == NULL) {
+ //
+ // Fail to get the end-entity leaf signer certificate.
+ //
+ Status = EFI_INVALID_PARAMETER;
+ goto Exit;
+ }
+
+ Status = CheckEKUs (SignerCert, RequiredEKUs, RequiredEKUsSize,
RequireAllPresent);
+ if (Status != EFI_SUCCESS) {
+ goto Exit;
+ }
+
+Exit:
+
+ //
+ // Release Resources
+ //
+ // If the signature was not wrapped, then the call to WrapData() will
allocate
+ // the data and add a header to it
+ //
+ if (!IsWrapped && SignedData) {
+ free (SignedData);
+ }
+
+ if (SignerCert) {
+ X509_free (SignerCert);
+ }
+
+ if (Pkcs7) {
+ PKCS7_free (Pkcs7);
+ }
+
+ return Status;
+}
+
diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7VerifyEkuRuntime.c
b/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7VerifyEkuRuntime.c
new file mode 100644
index 0000000000..4133975162
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7VerifyEkuRuntime.c
@@ -0,0 +1,75 @@
+/** @file
+ This module verifies that Enhanced Key Usages (EKU's) are present within
+ a PKCS7 signature blob using OpenSSL.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ THE POSSIBILITY OF SUCH DAMAGE.
+
+ Copyright (C) Microsoft Corporation. All Rights Reserved.
+ Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+**/
+
+#include "InternalCryptLib.h"
+
+/**
+ This function receives a PKCS#7 formatted signature blob,
+ looks for the EKU SEQUENCE blob, and if found then looks
+ for all the required EKUs. This function was created so that
+ the Surface team can cut down on the number of Certificate
+ Authorities (CA's) by checking EKU's on leaf signers for
+ a specific product. This prevents one product's certificate
+ from signing another product's firmware or unlock blobs.
+
+ Return RETURN_UNSUPPORTED to indicate this interface is not supported.
+
+ @param[in] Pkcs7Signature The PKCS#7 signed information content
block. An array
+ containing the content block with both the
signature,
+ the signer's certificate, and any
necessary intermediate
+ certificates.
+ @param[in] Pkcs7SignatureSize Number of bytes in pPkcs7Signature.
+ @param[in] RequiredEKUs Array of null-terminated strings listing
OIDs of
+ required EKUs that must be present in the
signature.
+ All specified EKU's must be present in
order to
+ succeed.
+ @param[in] RequiredEKUsSize Number of elements in the rgRequiredEKUs
string.
+ This parameter has a maximum of
MAX_EKU_SEARCH.
+ @param[in] RequireAllPresent If this is TRUE, then all of the specified
EKU's
+ must be present in the leaf signer. If it
is
+ FALSE, then we will succeed if we find any
+ of the specified EKU's.
+
+ @retval RETURN_UNSUPPORTED The operation is not supported.
+
+**/
+EFI_STATUS
+EFIAPI
+VerifyEKUsInPkcs7Signature (
+ IN CONST UINT8 *Pkcs7Signature,
+ IN CONST UINT32 SignatureSize,
+ IN CONST CHAR8 *RequiredEKUs[],
+ IN CONST UINT32 RequiredEKUsSize,
+ IN BOOLEAN RequireAllPresent
+ )
+{
+ ASSERT (FALSE);
+ return RETURN_UNSUPPORTED;
+}
+
diff --git a/CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.inf
b/CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.inf
index 95d4278090..f24cb91f33 100644
--- a/CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.inf
@@ -56,6 +56,7 @@
Pk/CryptPkcs7SignNull.c
Pk/CryptPkcs7VerifyCommon.c
Pk/CryptPkcs7VerifyRuntime.c
+ Pk/CryptPkcs7VerifyEkuRuntime.c
Pk/CryptDhNull.c
Pk/CryptX509.c
Pk/CryptAuthenticodeNull.c
diff --git a/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
b/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
index c3aa9c9eab..81d4bbe463 100644
--- a/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
@@ -56,6 +56,7 @@
Pk/CryptPkcs7SignNull.c
Pk/CryptPkcs7VerifyCommon.c
Pk/CryptPkcs7VerifyBase.c
+ Pk/CryptPkcs7VerifyEku.c
Pk/CryptDhNull.c
Pk/CryptX509.c
Pk/CryptAuthenticodeNull.c
--
2.16.2.windows.1
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