Updated documentation

1 files changed, 6 insertions, 7 deletions

diff --git a/rdrand.h b/rdrand.h
index 03a186f4..33309017 100644
--- a/rdrand.h
+++ b/rdrand.h
@@ -9,12 +9,11 @@
 

 #include "cryptlib.h"

 

-// This file (and friends) provides both RDRAND and RDSEED. They were added at

+// This class file provides both RDRAND and RDSEED. They were added at

 //   Crypto++ 5.6.3. At compile time, it uses CRYPTOPP_BOOL_{X86|X32|X64}

-//   to select an implementation or "throw NotImplemented". The class does not

-//   use CPUID to determine if RDRAND or RDSEED are available. If not available,

-//   then a SIGILL will result. Users of the classes should call HasRDRAND() or

-//   HasRDSEED() to determine if a generator is available.

+//   to select an implementation or "throw NotImplemented". At runtime the

+//   constructor will throw RDRAND_Err or RDSEED_Err if a generator is

+//   is not available.

 // The original classes accepted a retry count. Retries were superflous for

 //   RDRAND, and RDSEED encountered a failure about 1 in 256 bytes depending

 //   on the processor. Retries were removed at Crypto++ 6.0 because

@@ -28,8 +27,8 @@
 //   during testing with Athlon X4 845. The Bulldozer v4 only performed at 1 MiB/s.

 

 // Microsoft added RDRAND in August 2012, VS2012; RDSEED in October 2013, VS2013.

-// GCC added RDRAND in December 2010, GCC 4.6. LLVM added RDRAND in July 2012, Clang 3.2.

-// Intel added RDRAND in September 2011, ICC 12.1.

+// GCC added RDRAND in December 2010, GCC 4.6. LLVM added RDRAND in July 2012,

+// Clang 3.2. Intel added RDRAND in September 2011, ICC 12.1.

 

 NAMESPACE_BEGIN(CryptoPP)