Add Power8 SHA256 and SHA512 support (GH #513)

1 files changed, 9 insertions, 9 deletions

diff --git a/cpu.h b/cpu.h
index 9e2b7572..35710a93 100644
--- a/cpu.h
+++ b/cpu.h
@@ -398,7 +398,7 @@ inline bool HasSHA2()
 // Hide from Doxygen

 #ifndef CRYPTOPP_DOXYGEN_PROCESSING

 extern bool g_PowerpcDetectionDone;

-extern bool g_hasAltivec, g_hasPower7, g_hasPower8, g_hasAES, g_hasSHA1, g_hasSHA2;

+extern bool g_hasAltivec, g_hasPower7, g_hasPower8, g_hasAES, g_hasSHA256, g_hasSHA512;

 extern word32 g_cacheLineSize;

 void CRYPTOPP_API DetectPowerpcFeatures();

 #endif  // CRYPTOPP_DOXYGEN_PROCESSING

@@ -445,32 +445,32 @@ inline bool HasAES()
 	return g_hasAES;

 }

 

-//! \brief Determine if a PowerPC processor has SHA1 available

-//! \returns true if the hardware is capable of SHA1 at runtime, false otherwise.

+//! \brief Determine if a PowerPC processor has SHA256 available

+//! \returns true if the hardware is capable of SHA256 at runtime, false otherwise.

 //! \details SHA is part of the in-crypto extensions on Power8 and Power9.

 //! \details Runtime support requires compile time support. When compiling with GCC, you may

 //!   need to compile with <tt>-mcpu=power8</tt>; while IBM XL C/C++ compilers require

 //!   <tt>-qarch=pwr8 -qaltivec</tt>. Also see PowerPC's <tt>__CRYPTO</tt> preprocessor macro.

 //! \note This function is only available on PowerPC and PowerPC-64 platforms

-inline bool HasSHA1()

+inline bool HasSHA256()

 {

 	if (!g_PowerpcDetectionDone)

 		DetectPowerpcFeatures();

-	return g_hasSHA1;

+	return g_hasSHA256;

 }

 

-//! \brief Determine if a PowerPC processor has SHA2 available

-//! \returns true if the hardware is capable of SHA2 at runtime, false otherwise.

+//! \brief Determine if a PowerPC processor has SHA512 available

+//! \returns true if the hardware is capable of SHA512 at runtime, false otherwise.

 //! \details SHA is part of the in-crypto extensions on Power8 and Power9.

 //! \details Runtime support requires compile time support. When compiling with GCC, you may

 //!   need to compile with <tt>-mcpu=power8</tt>; while IBM XL C/C++ compilers require

 //!   <tt>-qarch=pwr8 -qaltivec</tt>. Also see PowerPC's <tt>__CRYPTO</tt> preprocessor macro.

 //! \note This function is only available on PowerPC and PowerPC-64 platforms

-inline bool HasSHA2()

+inline bool HasSHA512()

 {

 	if (!g_PowerpcDetectionDone)

 		DetectPowerpcFeatures();

-	return g_hasSHA2;

+	return g_hasSHA512;

 }

 

 //! \brief Provides the cache line size