REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4177
Implement Pem API based on Mbedtls.
Cc: Jiewen Yao <jiewen....@intel.com>
Cc: Yi Li <yi1...@intel.com>
Signed-off-by: Wenxing Hou <wenxing....@intel.com>
---
.../BaseCryptLibMbedTls/Pem/CryptPem.c | 138 ++++++++++++++++++
1 file changed, 138 insertions(+)
create mode 100644 CryptoPkg/Library/BaseCryptLibMbedTls/Pem/CryptPem.c
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/Pem/CryptPem.c
b/CryptoPkg/Library/BaseCryptLibMbedTls/Pem/CryptPem.c
new file mode 100644
index 0000000000..56411174dd
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/Pem/CryptPem.c
@@ -0,0 +1,138 @@
+/** @file
+ PEM (Privacy Enhanced Mail) Format Handler Wrapper Implementation over
MbedTLS.
+
+Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "InternalCryptLib.h"
+#include <mbedtls/pem.h>
+#include <mbedtls/pk.h>
+#include <mbedtls/rsa.h>
+#include <mbedtls/ecp.h>
+#include <mbedtls/ecdh.h>
+#include <mbedtls/ecdsa.h>
+
+/**
+ Retrieve the RSA Private Key from the password-protected PEM key data.
+
+ @param[in] PemData Pointer to the PEM-encoded key data to be retrieved.
+ @param[in] PemSize Size of the PEM key data in bytes.
+ @param[in] Password NULL-terminated passphrase used for encrypted PEM
key data.
+ @param[out] RsaContext Pointer to new-generated RSA context which contain
the retrieved
+ RSA private key component. Use RsaFree() function
to free the
+ resource.
+
+ If PemData is NULL, then return FALSE.
+ If RsaContext is NULL, then return FALSE.
+
+ @retval TRUE RSA Private Key was retrieved successfully.
+ @retval FALSE Invalid PEM key data or incorrect password.
+
+**/
+BOOLEAN
+EFIAPI
+RsaGetPrivateKeyFromPem (
+ IN CONST UINT8 *PemData,
+ IN UINTN PemSize,
+ IN CONST CHAR8 *Password,
+ OUT VOID **RsaContext
+ )
+{
+ INT32 Ret;
+ mbedtls_pk_context Pk;
+ mbedtls_rsa_context *Rsa;
+ UINT8 *NewPemData;
+ UINTN PasswordLen;
+
+ if ((PemData == NULL) || (RsaContext == NULL) || (PemSize > INT_MAX)) {
+ return FALSE;
+ }
+
+ NewPemData = NULL;
+ if (PemData[PemSize - 1] != 0) {
+ NewPemData = AllocateZeroPool (PemSize + 1);
+ if (NewPemData == NULL) {
+ return FALSE;
+ }
+
+ CopyMem (NewPemData, PemData, PemSize + 1);
+ NewPemData[PemSize] = 0;
+ PemData = NewPemData;
+ PemSize += 1;
+ }
+
+ mbedtls_pk_init (&Pk);
+
+ if (Password != NULL) {
+ PasswordLen = AsciiStrLen (Password);
+ } else {
+ PasswordLen = 0;
+ }
+
+ Ret = mbedtls_pk_parse_key (&Pk, PemData, PemSize, (CONST UINT8 *)Password,
PasswordLen, NULL, NULL);
+
+ if (NewPemData != NULL) {
+ FreePool (NewPemData);
+ NewPemData = NULL;
+ }
+
+ if (Ret != 0) {
+ mbedtls_pk_free (&Pk);
+ return FALSE;
+ }
+
+ if (mbedtls_pk_get_type (&Pk) != MBEDTLS_PK_RSA) {
+ mbedtls_pk_free (&Pk);
+ return FALSE;
+ }
+
+ Rsa = RsaNew ();
+ if (Rsa == NULL) {
+ mbedtls_pk_free (&Pk);
+ return FALSE;
+ }
+
+ Ret = mbedtls_rsa_copy (Rsa, mbedtls_pk_rsa (Pk));
+ if (Ret != 0) {
+ RsaFree (Rsa);
+ mbedtls_pk_free (&Pk);
+ return FALSE;
+ }
+
+ mbedtls_pk_free (&Pk);
+
+ *RsaContext = Rsa;
+ return TRUE;
+}
+
+/**
+ Retrieve the EC Private Key from the password-protected PEM key data.
+
+ @param[in] PemData Pointer to the PEM-encoded key data to be retrieved.
+ @param[in] PemSize Size of the PEM key data in bytes.
+ @param[in] Password NULL-terminated passphrase used for encrypted PEM
key data.
+ @param[out] EcContext Pointer to new-generated EC DSA context which
contain the retrieved
+ EC private key component. Use EcFree() function to
free the
+ resource.
+
+ If PemData is NULL, then return FALSE.
+ If EcContext is NULL, then return FALSE.
+
+ @retval TRUE EC Private Key was retrieved successfully.
+ @retval FALSE Invalid PEM key data or incorrect password.
+
+**/
+BOOLEAN
+EFIAPI
+EcGetPrivateKeyFromPem (
+ IN CONST UINT8 *PemData,
+ IN UINTN PemSize,
+ IN CONST CHAR8 *Password,
+ OUT VOID **EcContext
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
--
2.26.2.windows.1
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