[edk2-staging/OpenSSL11_EOL PATCH 7/7] Clean SysCall api by adding platform_util.c

["Wenxing Hou" <wenxing.hou@intel.com>]

Signed-off-by: Wenxing Hou <wenxing.hou@intel.com>
---
 .../BaseCryptLibMbedTls/Rand/CryptRandTsc.c        |  7 +++++++
 .../SysCall/ConstantTimeClock.c                    | 14 --------------
 .../BaseCryptLibMbedTls/SysCall/CrtWrapper.c       |  5 -----
 .../BaseCryptLibMbedTls/SysCall/TimerWrapper.c     | 14 --------------
 CryptoPkg/Library/MbedTlsLib/MbedTlsLib.inf        |  1 +
 5 files changed, 8 insertions(+), 33 deletions(-)

diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/Rand/CryptRandTsc.c b/CryptoPkg/Library/BaseCryptLibMbedTls/Rand/CryptRandTsc.c
index 96d18eb7aa..a4ece17680 100644
--- a/CryptoPkg/Library/BaseCryptLibMbedTls/Rand/CryptRandTsc.c
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/Rand/CryptRandTsc.c
@@ -59,3 +59,10 @@ RandomBytes (
 
   return TRUE;
 }
+
+int myrand( void *rng_state, unsigned char *output, size_t len )
+{
+  RandomBytes (output, len);
+
+  return 0;
+}
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/ConstantTimeClock.c b/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/ConstantTimeClock.c
index 41a1fdd634..6c1d8a400d 100644
--- a/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/ConstantTimeClock.c
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/ConstantTimeClock.c
@@ -59,17 +59,3 @@ struct tm * gmtime (const time_t *timer)
 time_t _time64 (time_t* t) {
   return time (t);
 }
-
-struct tm *mbedtls_platform_gmtime_r( const time_t *tt,
-                                      struct tm *tm_buf )
-{
-  struct tm * lt;
-
-  lt = gmtime (tt);
-
-  if (lt != NULL) {
-    CopyMem (tm_buf, lt, sizeof(struct tm));
-  }
-
-  return ((lt == NULL) ? NULL : tm_buf);
-}
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/CrtWrapper.c b/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/CrtWrapper.c
index c401dae861..25074d3bfb 100644
--- a/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/CrtWrapper.c
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/CrtWrapper.c
@@ -31,11 +31,6 @@ int mbedtls_vsnprintf(char *str, size_t size, const char *format, ...)
   return 0;
 }
 
-void mbedtls_platform_zeroize( void *buf, unsigned int len )
-{
-    ZeroMem (buf, len);
-}
-
 int rand ()
 {
   // TBD
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/TimerWrapper.c b/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/TimerWrapper.c
index abb9a2226c..d940abb7f0 100644
--- a/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/TimerWrapper.c
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/TimerWrapper.c
@@ -190,17 +190,3 @@ struct tm * gmtime (const time_t *timer)
 time_t _time64 (time_t* t) {
   return time (t);
 }
-
-struct tm *mbedtls_platform_gmtime_r( const time_t *tt,
-                                      struct tm *tm_buf )
-{
-  struct tm * lt;
-
-  lt = gmtime (tt);
-
-  if (lt != NULL) {
-    CopyMem (tm_buf, lt, sizeof(struct tm));
-  }
-
-  return ((lt == NULL) ? NULL : tm_buf);
-}
diff --git a/CryptoPkg/Library/MbedTlsLib/MbedTlsLib.inf b/CryptoPkg/Library/MbedTlsLib/MbedTlsLib.inf
index 69d712b9c6..e2fd9e6e1e 100644
--- a/CryptoPkg/Library/MbedTlsLib/MbedTlsLib.inf
+++ b/CryptoPkg/Library/MbedTlsLib/MbedTlsLib.inf
@@ -109,6 +109,7 @@
   mbedtls/library/x509_crt.c
   mbedtls/library/x509_csr.c
   mbedtls/library/pkcs7.c
+  mbedtls/library/platform_util.c
 
 [Packages]
   MdePkg/MdePkg.dec
-- 
2.26.2.windows.1