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Allow detection of CLMUL

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Manuel Pégourié-Gonnard
2013-12-18 19:14:53 +01:00
parent 5b685653ef
commit 8eaf20b18d
3 changed files with 17 additions and 11 deletions
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12
include/polarssl/aesni.h
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@@ -29,6 +29,9 @@
#include "aes.h"
#define POLARSSL_AESNI_AES 0x02000000u
#define POLARSSL_AESNI_CLMUL 0x00000002u
#if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && \
( defined(__amd64__) || defined(__x86_64__) ) && \
! defined(POLARSSL_HAVE_X86_64)
@@ -38,11 +41,14 @@
#if defined(POLARSSL_HAVE_X86_64)
/**
* \brief AES-NI detection routine
* \brief AES-NI features detection routine
*
* \return 1 if CPU supports AES-NI, 0 otherwise
* \param what The feature to detect
* (POLARSSL_AESNI_AES or POLARSSL_AESNI_CLMUL)
*
* \return 1 if CPU has support for the feature, 0 otherwise
*/
int aesni_supported( void );
int aesni_supports( unsigned int what );
/**
* \brief AES-NI AES-ECB block en(de)cryption