[Patch] BaseTools: Update Rsa2048Sha256Sign to use openssl standard options

[Liming Gao <liming.gao@intel.com>]

sha256 is not the standard option. It should be replaced by sha -sha256.
Otherwise, it doesn't work in MAC OS.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liao Jui-peng <jui-pengx.liao@intel.com>
Signed-off-by: Liming Gao <liming.gao@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
---
 BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256Sign.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256Sign.py b/BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256Sign.py
index 1ae6ebb358..88f9d744eb 100644
--- a/BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256Sign.py
+++ b/BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256Sign.py
@@ -176,7 +176,7 @@ if __name__ == '__main__':
     # 
     # Sign the input file using the specified private key and capture signature from STDOUT
     #
-    Process = subprocess.Popen('%s sha256 -sign "%s"' % (OpenSslCommand, args.PrivateKeyFileName), stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
+    Process = subprocess.Popen('%s sha -sha256 -sign "%s"' % (OpenSslCommand, args.PrivateKeyFileName), stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
     Signature = Process.communicate(input=FullInputFileBuffer)[0]
     if Process.returncode <> 0:
       sys.exit(Process.returncode)
@@ -225,7 +225,7 @@ if __name__ == '__main__':
     #
     # Verify signature
     #    
-    Process = subprocess.Popen('%s sha256 -prverify "%s" -signature %s' % (OpenSslCommand, args.PrivateKeyFileName, args.OutputFileName), stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
+    Process = subprocess.Popen('%s sha -sha256 -prverify "%s" -signature %s' % (OpenSslCommand, args.PrivateKeyFileName, args.OutputFileName), stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
     Process.communicate(input=FullInputFileBuffer)
     if Process.returncode <> 0:
       print 'ERROR: Verification failed'
-- 
2.11.0.windows.1