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Add new interfaces to support PKCS7#7 signed data and authenticode signature. Update Cryptest to validate functionality of new interfaces.

Browse Source 
Signed-off-by: tye1
Reviewed-by: hhuan13
Reviewed-by: qlong


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12142 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
tye1
2011-08-16 06:46:52 +00:00
parent 2f3f1a64ed
commit b7d320f811
18 changed files with 1442 additions and 160 deletions
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143
CryptoPkg/Library/BaseCryptLib/Pk/CryptAuthenticode.c Normal file
View File

@@ -0,0 +1,143 @@
/** @file
Authenticode Portable Executable Signature Verification over OpenSSL.
Copyright (c) 2011, 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"
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/pkcs7.h>
/**
Verifies the validility of a PE/COFF Authenticode Signature as described in "Windows
Authenticode Portable Executable Signature Format".
If AuthData is NULL, then ASSERT().
If ImageHash is NULL, then ASSERT().
@param[in] AuthData Pointer to the Authenticode Signature retrieved from signed
PE/COFF image to be verified.
@param[in] DataSize Size of the Authenticode Signature in bytes.
@param[in] TrustedCert Pointer to a trusted/root certificate encoded in DER, which
is used for certificate chain verification.
@param[in] CertSize Size of the trusted certificate in bytes.
@param[in] ImageHash Pointer to the original image file hash value. The procudure
for calculating the image hash value is described in Authenticode
specification.
@param[in] HashSize Size of Image hash value in bytes.
@retval TRUE The specified Authenticode Signature is valid.
@retval FALSE Invalid Authenticode Signature.
**/
BOOLEAN
EFIAPI
AuthenticodeVerify (
IN CONST UINT8 *AuthData,
IN UINTN DataSize,
IN CONST UINT8 *TrustedCert,
IN UINTN CertSize,
IN CONST UINT8 *ImageHash,
IN UINTN HashSize
)
{
BOOLEAN Status;
PKCS7 *Pkcs7;
CONST UINT8 *OrigAuthData;
UINT8 *SpcIndirectDataContent;
UINT8 Asn1Byte;
UINTN ContentSize;
//
// ASSERT if Authenticode Signature Data or PE Image Hash is NULL
//
ASSERT (AuthData != NULL);
ASSERT (ImageHash != NULL);
Status = FALSE;
Pkcs7 = NULL;
OrigAuthData = AuthData;
//
// Retrieve & Parse PKCS#7 Data (DER encoding) from Authenticode Signature
//
Pkcs7 = d2i_PKCS7 (NULL, &AuthData, (int)DataSize);
if (Pkcs7 == NULL) {
goto _Exit;
}
//
// Check if it's PKCS#7 Signed Data (for Authenticode Scenario)
//
if (!PKCS7_type_is_signed (Pkcs7)) {
goto _Exit;
}
//
// NOTE: OpenSSL PKCS7 Decoder didn't work for Authenticode-format signed data due to
// some authenticode-specific structure. Use opaque ASN.1 string to retrieve
// PKCS#7 ContentInfo here.
//
SpcIndirectDataContent = (UINT8 *)(Pkcs7->d.sign->contents->d.other->value.asn1_string->data);
//
// Retrieve the SEQUENCE data size from ASN.1-encoded SpcIndirectDataContent.
//
Asn1Byte = *(SpcIndirectDataContent + 1);
if ((Asn1Byte & 0x80) == 0) {
//
// Short Form of Length Encoding
//
ContentSize = (UINTN) (Asn1Byte & 0x7F);
//
// Skip the SEQUENCE Tag;
//
SpcIndirectDataContent += 2;
} else {
//
// Long Form of Length Encoding (Assume Only two bytes here)
//
ContentSize = (UINTN) (*(SpcIndirectDataContent + 2));
ContentSize = (ContentSize << 8) + (UINTN)(*(SpcIndirectDataContent + 3));
//
// Skip the SEQUENCE Tag;
//
SpcIndirectDataContent += 4;
}
//
// Compare the original file hash value to the digest retrieve from SpcIndirectDataContent
// defined in Authenticode
// NOTE: Need to double-check HashLength here!
//
if (CompareMem (SpcIndirectDataContent + ContentSize - HashSize, ImageHash, HashSize) != 0) {
//
// Un-matched PE/COFF Hash Value
//
goto _Exit;
}
//
// Verifies the PKCS#7 Signed Data in PE/COFF Authenticode Signature
//
Status = (BOOLEAN) Pkcs7Verify (OrigAuthData, DataSize, TrustedCert, CertSize, SpcIndirectDataContent, ContentSize);
_Exit:
//
// Release Resources
//
PKCS7_free (Pkcs7);
return Status;
}

258
CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7.c
View File

@@ -1,7 +1,7 @@
/** @file
PKCS#7 SignedData Verification Wrapper Implementation over OpenSSL.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2009 - 2011, 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
@@ -19,6 +19,235 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <openssl/pkcs7.h>
/**
Verification callback function to override any existing callbacks in OpenSSL
for intermediate certificate supports.
@param[in] Status Original status before calling this callback.
@param[in] Context X509 store context.
@retval 1 Current X509 certificate is verified successfully.
@retval 0 Verification failed.
**/
STATIC int X509VerifyCb (int Status, X509_STORE_CTX *Context)
{
X509_OBJECT *Obj;
int Error;
int Index;
int Count;
Obj = NULL;
Error = X509_STORE_CTX_get_error (Context);
//
// X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT and X509_V_ERR_UNABLE_TO_GET_ISSUER_
// CERT_LOCALLY mean a X509 certificate is not self signed and its issuer
// can not be found in X509_verify_cert of X509_vfy.c.
// In order to support intermediate certificate node, we override the
// errors if the certification is obtained from X509 store, i.e. it is
// a trusted ceritifcate node that is enrolled by user.
// Besides,X509_V_ERR_CERT_UNTRUSTED and X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE
// are also ignored to enable such feature.
//
if ((Error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT) ||
(Error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY)) {
Obj = (X509_OBJECT *) OPENSSL_malloc (sizeof (X509_OBJECT));
if (Obj == NULL) {
return 0;
}
Obj->type = X509_LU_X509;
Obj->data.x509 = Context->current_cert;
CRYPTO_w_lock (CRYPTO_LOCK_X509_STORE);
if (X509_OBJECT_retrieve_match (Context->ctx->objs, Obj)) {
Status = 1;
} else {
//
// If any certificate in the chain is enrolled as trusted certificate,
// pass the certificate verification.
//
if (Error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY) {
Count = sk_X509_num (Context->chain);
for (Index = 0; Index < Count; Index++) {
Obj->data.x509 = sk_X509_value (Context->chain, Index);
if (X509_OBJECT_retrieve_match (Context->ctx->objs, Obj)) {
Status = 1;
break;
}
}
}
}
CRYPTO_w_unlock (CRYPTO_LOCK_X509_STORE);
}
if ((Error == X509_V_ERR_CERT_UNTRUSTED) ||
(Error == X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE)) {
Status = 1;
}
if (Obj != NULL) {
OPENSSL_free (Obj);
}
return Status;
}
/**
Creates a PKCS#7 signedData as described in "PKCS #7: Cryptographic Message
Syntax Standard, version 1.5". This interface is only intended to be used for
application to perform PKCS#7 functionality validation.
@param[in] PrivateKey Pointer to the PEM-formatted private key data for
data signing.
@param[in] PrivateKeySize Size of the PEM private key data in bytes.
@param[in] KeyPassword NULL-terminated passphrase used for encrypted PEM
key data.
@param[in] InData Pointer to the content to be signed.
@param[in] InDataSize Size of InData in bytes.
@param[in] SignCert Pointer to signer's DER-encoded certificate to sign with.
@param[in] OtherCerts Pointer to an optional additional set of certificates to
include in the PKCS#7 signedData (e.g. any intermediate
CAs in the chain).
@param[out] SignedData Pointer to output PKCS#7 signedData.
@param[out] SignedDataSize Size of SignedData in bytes.
@retval TRUE PKCS#7 data signing succeeded.
@retval FALSE PKCS#7 data signing failed.
**/
BOOLEAN
EFIAPI
Pkcs7Sign (
IN CONST UINT8 *PrivateKey,
IN UINTN PrivateKeySize,
IN CONST UINT8 *KeyPassword,
IN UINT8 *InData,
IN UINTN InDataSize,
IN UINT8 *SignCert,
IN UINT8 *OtherCerts OPTIONAL,
OUT UINT8 **SignedData,
OUT UINTN *SignedDataSize
)
{
BOOLEAN Status;
EVP_PKEY *Key;
BIO *DataBio;
PKCS7 *Pkcs7;
UINT8 *RsaContext;
UINT8 *P7Data;
//
// Check input parameters.
//
if ((PrivateKey == NULL) || (KeyPassword == NULL) || (InData == NULL)) {
return FALSE;
}
if ((SignCert == NULL) || (SignedData == NULL) || (SignedDataSize == NULL)) {
return FALSE;
}
RsaContext = NULL;
Key = NULL;
Pkcs7 = NULL;
DataBio = NULL;
Status = FALSE;
//
// Retrieve RSA private key from PEM data.
//
Status = RsaGetPrivateKeyFromPem (
PrivateKey,
PrivateKeySize,
(CONST CHAR8 *) KeyPassword,
(VOID **) &RsaContext
);
if (!Status) {
return Status;
}
//
// Register & Initialize necessary digest algorithms and PRNG for PKCS#7 Handling
//
EVP_add_digest (EVP_md5());
EVP_add_digest (EVP_sha1());
EVP_add_digest (EVP_sha256());
RandomSeed (NULL, 0);
//
// Construct OpenSSL EVP_PKEY for private key.
//
Key = EVP_PKEY_new ();
if (Key == NULL) {
goto _Exit;
}
Key->save_type = EVP_PKEY_RSA;
Key->type = EVP_PKEY_type (EVP_PKEY_RSA);
Key->pkey.rsa = (RSA *) RsaContext;
//
// Convert the data to be signed to BIO format.
//
DataBio = BIO_new (BIO_s_mem ());
BIO_write (DataBio, InData, (int) InDataSize);
//
// Create the PKCS#7 signedData structure.
//
Pkcs7 = PKCS7_sign (
(X509 *) SignCert,
Key,
(STACK_OF(X509) *) OtherCerts,
DataBio,
PKCS7_BINARY
);
if (Pkcs7 == NULL) {
goto _Exit;
}
//
// Convert PKCS#7 signedData structure into DER-encoded buffer.
//
*SignedDataSize = i2d_PKCS7 (Pkcs7, NULL);
if (*SignedDataSize == 0) {
goto _Exit;
}
*SignedData = OPENSSL_malloc (*SignedDataSize);
P7Data = *SignedData;
*SignedDataSize = i2d_PKCS7 (Pkcs7, (unsigned char **) &P7Data);
Status = TRUE;
_Exit:
//
// Release Resources
//
if (RsaContext != NULL) {
RsaFree (RsaContext);
if (Key != NULL) {
Key->pkey.rsa = NULL;
}
}
if (Key != NULL) {
EVP_PKEY_free (Key);
}
if (DataBio != NULL) {
BIO_free (DataBio);
}
if (Pkcs7 != NULL) {
PKCS7_free (Pkcs7);
}
return Status;
}
/**
Verifies the validility of a PKCS#7 signed data as described in "PKCS #7: Cryptographic
Message Syntax Standard".
@@ -49,7 +278,6 @@ Pkcs7Verify (
)
{
PKCS7 *Pkcs7;
UINT8 *Content;
BIO *CertBio;
BIO *DataBio;
BOOLEAN Status;
@@ -73,6 +301,7 @@ Pkcs7Verify (
//
EVP_add_digest (EVP_md5());
EVP_add_digest (EVP_sha1());
EVP_add_digest_alias (SN_sha1WithRSAEncryption, SN_sha1WithRSA);
EVP_add_digest (EVP_sha256());
//
@@ -90,23 +319,6 @@ Pkcs7Verify (
goto _Exit;
}
//
// Check PKCS#7 embedded signed content with InData.
//
if (InData != NULL) {
//
// NOTE: PKCS7_dataDecode() didn't work for Authenticode-format signed data due to
// some authenticode-specific structure. Use opaque ASN.1 string to retrieve
// PKCS#7 ContentInfo here.
//
Content = (UINT8 *)(Pkcs7->d.sign->contents->d.other->value.asn1_string->data);
// Ignore two bytes for DER encoding of ASN.1 "SEQUENCE"
if (CompareMem (Content + 2, InData, DataLength) != 0) {
goto _Exit;
}
}
//
// Read DER-encoded root certificate and Construct X509 Certificate
//
@@ -131,6 +343,12 @@ Pkcs7Verify (
goto _Exit;
}
//
// Register customized X509 verification callback function to support
// trusted intermediate certificate anchor.
//
CertStore->verify_cb = X509VerifyCb;
//
// For generic PKCS#7 handling, InData may be NULL if the content is present
// in PKCS#7 structure. So ignore NULL checking here.
@@ -141,7 +359,7 @@ Pkcs7Verify (
//
// Verifies the PKCS#7 signedData structure
//
Status = (BOOLEAN) PKCS7_verify (Pkcs7, NULL, CertStore, DataBio, NULL, 0);
Status = (BOOLEAN) PKCS7_verify (Pkcs7, NULL, CertStore, DataBio, NULL, PKCS7_BINARY);
_Exit:
//

6
CryptoPkg/Library/BaseCryptLib/Pk/CryptRsa.c
View File

@@ -1,7 +1,7 @@
/** @file
RSA Asymmetric Cipher Wrapper Implementation over OpenSSL.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2009 - 2011, 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
@@ -545,7 +545,7 @@ DigestInfoEncoding (
If RsaContext is NULL, then ASSERT().
If MessageHash is NULL, then ASSERT().
If HashSize is not equal to the size of MD5, SHA-1, SHA-256, SHA-224, SHA-512 or SHA-384 digest, then ASSERT().
If HashSize is not equal to the size of MD5, SHA-1 or SHA-256 digest, then ASSERT().
If SigSize is large enough but Signature is NULL, then ASSERT().
@param[in] RsaContext Pointer to RSA context for signature generation.
@@ -615,7 +615,7 @@ RsaPkcs1Sign (
If RsaContext is NULL, then ASSERT().
If MessageHash is NULL, then ASSERT().
If Signature is NULL, then ASSERT().
If HashSize is not equal to the size of MD5, SHA-1, SHA-256, SHA-224, SHA-512 or SHA-384 digest, then ASSERT().
If HashSize is not equal to the size of MD5, SHA-1 or SHA-256 digest, then ASSERT().
@param[in] RsaContext Pointer to RSA context for signature verification.
@param[in] MessageHash Pointer to octet message hash to be checked.

245
CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
View File

@@ -1,7 +1,7 @@
/** @file
X.509 Certificate Handler Wrapper Implementation over OpenSSL.
Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2010 - 2011, 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
@@ -15,6 +15,202 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "InternalCryptLib.h"
#include <openssl/x509.h>
/**
Construct a X509 object from DER-encoded certificate data.
If Cert is NULL, then ASSERT().
If SingleX509Cert is NULL, then ASSERT().
@param[in] Cert Pointer to the DER-encoded certificate data.
@param[in] CertSize The size of certificate data in bytes.
@param[out] SingleX509Cert The generated X509 object.
@retval TRUE The X509 object generation succeeded.
@retval FALSE The operation failed.
**/
BOOLEAN
EFIAPI
X509ConstructCertificate (
IN CONST UINT8 *Cert,
IN UINTN CertSize,
OUT UINT8 **SingleX509Cert
)
{
BIO *CertBio;
X509 *X509Cert;
BOOLEAN Status;
//
// ASSERT if Cert is NULL or SingleX509Cert is NULL.
//
ASSERT (Cert != NULL);
ASSERT (SingleX509Cert != NULL);
Status = FALSE;
//
// Read DER-encoded X509 Certificate and Construct X509 object.
//
CertBio = BIO_new (BIO_s_mem ());
BIO_write (CertBio, Cert, (int) CertSize);
if (CertBio == NULL) {
goto _Exit;
}
X509Cert = d2i_X509_bio (CertBio, NULL);
if (X509Cert == NULL) {
goto _Exit;
}
*SingleX509Cert = (UINT8 *) X509Cert;
Status = TRUE;
_Exit:
//
// Release Resources.
//
BIO_free (CertBio);
return Status;
}
/**
Construct a X509 stack object from a list of DER-encoded certificate data.
If X509Stack is NULL, then ASSERT().
@param[in, out] X509Stack On input, pointer to an existing X509 stack object.
On output, pointer to the X509 stack object with new
inserted X509 certificate.
@param ... A list of DER-encoded single certificate data followed
by certificate size. A NULL terminates the list. The
pairs are the arguments to X509ConstructCertificate().
@retval TRUE The X509 stack construction succeeded.
@retval FALSE The construction operation failed.
**/
BOOLEAN
EFIAPI
X509ConstructCertificateStack (
IN OUT UINT8 **X509Stack,
...
)
{
UINT8 *Cert;
UINTN CertSize;
X509 *X509Cert;
STACK_OF(X509) *CertStack;
BOOLEAN Status;
VA_LIST Args;
UINTN Index;
//
// ASSERT if input X509Stack is NULL.
//
ASSERT (X509Stack != NULL);
Status = FALSE;
//
// Initialize X509 stack object.
//
CertStack = (STACK_OF(X509) *) (*X509Stack);
if (CertStack == NULL) {
CertStack = sk_X509_new_null ();
if (CertStack == NULL) {
return Status;
}
}
VA_START (Args, X509Stack);
for (Index = 0; ; Index++) {
//
// If Cert is NULL, then it is the end of the list.
//
Cert = VA_ARG (Args, UINT8 *);
if (Cert == NULL) {
break;
}
CertSize = VA_ARG (Args, UINTN);
//
// Construct X509 Object from the given DER-encoded certificate data.
//
Status = X509ConstructCertificate (
(CONST UINT8 *) Cert,
CertSize,
(UINT8 **) &X509Cert
);
if (!Status) {
X509_free (X509Cert);
break;
}
//
// Insert the new X509 object into X509 stack object.
//
sk_X509_push (CertStack, X509Cert);
}
VA_END (Args);
if (!Status) {
sk_X509_pop_free (CertStack, X509_free);
} else {
*X509Stack = (UINT8 *) CertStack;
}
return Status;
}
/**
Release the specified X509 object.
If X509Cert is NULL, then ASSERT().
@param[in] X509Cert Pointer to the X509 object to be released.
**/
VOID
EFIAPI
X509Free (
IN VOID *X509Cert
)
{
ASSERT (X509Cert != NULL);
//
// Free OpenSSL X509 object.
//
X509_free ((X509 *) X509Cert);
}
/**
Release the specified X509 stack object.
If X509Stack is NULL, then ASSERT().
@param[in] X509Stack Pointer to the X509 stack object to be released.
**/
VOID
EFIAPI
X509StackFree (
IN VOID *X509Stack
)
{
ASSERT (X509Stack != NULL);
//
// Free OpenSSL X509 stack object.
//
sk_X509_pop_free ((STACK_OF(X509) *) X509Stack, X509_free);
}
/**
Retrieve the subject bytes from one X.509 certificate.
@@ -42,7 +238,6 @@ X509GetSubjectName (
)
{
BOOLEAN Status;
BIO *CertBio;
X509 *X509Cert;
X509_NAME *X509Name;
@@ -58,13 +253,8 @@ X509GetSubjectName (
//
// Read DER-encoded X509 Certificate and Construct X509 object.
//
CertBio = BIO_new (BIO_s_mem ());
BIO_write (CertBio, Cert, (int)CertSize);
if (CertBio == NULL) {
goto _Exit;
}
X509Cert = d2i_X509_bio (CertBio, NULL);
if (Cert == NULL) {
Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **) &X509Cert);
if ((X509Cert == NULL) || (!Status)) {
goto _Exit;
}
@@ -86,7 +276,6 @@ _Exit:
//
// Release Resources.
//
BIO_free (CertBio);
X509_free (X509Cert);
return Status;
@@ -118,7 +307,6 @@ RsaGetPublicKeyFromX509 (
{
BOOLEAN Status;
EVP_PKEY *Pkey;
BIO *CertBio;
X509 *X509Cert;
//
@@ -129,19 +317,13 @@ RsaGetPublicKeyFromX509 (
Status = FALSE;
Pkey = NULL;
CertBio = NULL;
X509Cert = NULL;
//
// Read DER-encoded X509 Certificate and Construct X509 object.
//
CertBio = BIO_new (BIO_s_mem ());
BIO_write (CertBio, Cert, (int)CertSize);
if (CertBio == NULL) {
goto _Exit;
}
X509Cert = d2i_X509_bio (CertBio, NULL);
if (X509Cert == NULL) {
Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **) &X509Cert);
if ((X509Cert == NULL) || (!Status)) {
goto _Exit;
}
@@ -164,7 +346,6 @@ _Exit:
//
// Release Resources.
//
BIO_free (CertBio);
X509_free (X509Cert);
EVP_PKEY_free (Pkey);
@@ -197,8 +378,6 @@ X509VerifyCert (
)
{
BOOLEAN Status;
BIO *BioCert;
BIO *BioCACert;
X509 *X509Cert;
X509 *X509CACert;
X509_STORE *CertStore;
@@ -211,8 +390,6 @@ X509VerifyCert (
ASSERT (CACert != NULL);
Status = FALSE;
BioCert = NULL;
BioCACert = NULL;
X509Cert = NULL;
X509CACert = NULL;
CertStore = NULL;
@@ -227,26 +404,16 @@ X509VerifyCert (
//
// Read DER-encoded certificate to be verified and Construct X509 object.
//
BioCert = BIO_new (BIO_s_mem ());
BIO_write (BioCert, Cert, (int)CertSize);
if (BioCert == NULL) {
goto _Exit;
}
X509Cert = d2i_X509_bio (BioCert, NULL);
if (X509Cert == NULL) {
Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **) &X509Cert);
if ((X509Cert == NULL) || (!Status)) {
goto _Exit;
}
//
// Read DER-encoded root certificate and Construct X509 object.
//
BioCACert = BIO_new (BIO_s_mem());
BIO_write (BioCACert, CACert, (int)CACertSize);
if (BioCert == NULL) {
goto _Exit;
}
X509CACert = d2i_X509_bio (BioCACert, NULL);
if (CACert == NULL) {
Status = X509ConstructCertificate (CACert, CACertSize, (UINT8 **) &X509CACert);
if ((X509CACert == NULL) || (!Status)) {
goto _Exit;
}
@@ -277,8 +444,6 @@ _Exit:
//
// Release Resources.
//
BIO_free (BioCert);
BIO_free (BioCACert);
X509_free (X509Cert);
X509_free (X509CACert);
X509_STORE_free (CertStore);