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-rw-r--r--CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf11
1 files changed, 10 insertions, 1 deletions
diff --git a/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf b/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
index 03ed82f687..f7bccc4379 100644
--- a/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
@@ -1,6 +1,15 @@
## @file
# Cryptographic Library Instance for SMM driver.
#
+# This library instance uses ConstantTimeClock.c thus does not provide
+# functionality for following APIs which need system time support:
+# 1) RsaGenerateKey
+# 2) RsaCheckKey
+# 3) RsaPkcs1Sign
+# 4) Pkcs7Sign
+# 5) DhGenerateParameter
+# 6) DhGenerateKey
+#
# Copyright (c) 2010 - 2012, 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
@@ -37,7 +46,7 @@
Pem/CryptPem.c
SysCall/CrtWrapper.c
- SysCall/RealTimeClock.c
+ SysCall/ConstantTimeClock.c
SysCall/BaseMemAllocation.c
[Sources.Ia32]