[edk2-devel] [PATCH EDK2 v1 1/1] CryptoPkg/BaseCryptLib: Support PEM certification
wenyi,xie via groups.io
xiewenyi2=huawei.com at groups.io
Tue Nov 9 12:58:19 UTC 2021
As PEM-encoded certificate is also necessary, add
support for PEM-encoded certificate in
X509ConstructCertificate.
Cc: Jiewen Yao <jiewen.yao at intel.com>
Cc: Jian J Wang <jian.j.wang at intel.com>
Cc: Xiaoyu Lu <xiaoyux.lu at intel.com>
Cc: Guomin Jiang <guomin.jiang at intel.com>
Signed-off-by: Jiaxia Xu <xujiaxia at huawei.com>
Signed-off-by: Wenyi Xie <xiewenyi2 at huawei.com>
---
CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c | 33 ++++++++++++++++++--
1 file changed, 31 insertions(+), 2 deletions(-)
diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c b/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
index b1393a89c5ab..db122cd574fa 100644
--- a/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
@@ -9,6 +9,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
#include "InternalCryptLib.h"
#include <openssl/x509.h>
#include <openssl/rsa.h>
+#include <openssl/pem.h>
/**
Construct a X509 object from DER-encoded certificate data.
@@ -33,7 +34,12 @@ X509ConstructCertificate (
)
{
X509 *X509Cert;
+ BIO *BioCert;
CONST UINT8 *Temp;
+ BOOLEAN CertFlag;
+
+ BioCert = NULL;
+ CertFlag = TRUE;
//
// Check input parameters.
@@ -48,12 +54,35 @@ X509ConstructCertificate (
Temp = Cert;
X509Cert = d2i_X509 (NULL, &Temp, (long) CertSize);
if (X509Cert == NULL) {
- return FALSE;
+ BioCert = BIO_new (BIO_s_mem ());
+ if (BioCert == NULL) {
+ CertFlag = FALSE;
+ goto ON_EXIT;
+ }
+
+ if (BIO_write (BioCert, Temp, (UINT32) CertSize) <= 0) {
+ CertFlag = FALSE;
+ goto ON_EXIT;
+ }
+
+ //
+ // Read PEM-encoded X509 Certificate and Construct X509 object.
+ //
+ X509Cert = PEM_read_bio_X509 (BioCert, NULL, NULL, NULL);
+ if (X509Cert == NULL) {
+ CertFlag = FALSE;
+ goto ON_EXIT;
+ }
}
*SingleX509Cert = (UINT8 *) X509Cert;
- return TRUE;
+ON_EXIT:
+ if (BioCert != NULL) {
+ BIO_free (BioCert);
+ }
+
+ return CertFlag;
}
/**
--
2.20.1.windows.1
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