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added stubs for AES-GCM processing and build option

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This commit is contained in:
John Safranek 2012-06-13 21:31:32 -07:00
parent 31bf833239
commit 76bb3b2558
3 changed files with 50 additions and 1 deletions
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16
configure.ac
View File

@ -6,7 +6,7 @@
#
#
AC_INIT([cyassl],[2.2.4],[http://www.yassl.com])
AC_INIT([cyassl],[2.2.5],[http://www.yassl.com])
AC_CONFIG_AUX_DIR(config)
@ -289,6 +289,20 @@ fi
AM_CONDITIONAL([BUILD_SNIFFER], [test "x$ENABLED_SNIFFER" = "xyes"])
# AES-GCM
AC_ARG_ENABLE(aesgcm,
[ --enable-aesgcm Enable CyaSSL AES-GCM support (default: disabled)],
[ ENABLED_AESGCM=$enableval ],
[ ENABLED_AESGCM=no ]
)
if test "$ENABLED_AESGCM" = "yes"
then
AM_CFLAGS="$AM_CFLAGS -DHAVE_AESGCM"
fi
AM_CONDITIONAL([BUILD_AESGCM], [test "x$ENABLED_AESGCM" = "xyes"])
# AES-NI
AC_ARG_ENABLE(aesni,
[ --enable-aesni Enable CyaSSL AES-NI support (default: disabled)],

26
ctaocrypt/src/aes.c
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@ -1404,5 +1404,31 @@ void AesCtrEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
#endif /* CYASSL_AES_COUNTER */
#ifdef HAVE_AESGCM
void AesGcmEncrypt(Aes* aes, byte* out, const byte* in, word32 sz,
byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz)
{
word32 blocks = sz / AES_BLOCK_SIZE;
CYASSL_ENTER("AesGcmEncrypt");
while (blocks--) {
}
}
int AesGcmDecrypt(Aes* aes, byte* out, const byte* in, word32 sz,
const byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz)
{
CYASSL_ENTER("AesGcmDecrypt");
return 0;
}
#endif /* HAVE_AESGCM */
#endif /* NO_AES */

9
cyassl/ctaocrypt/aes.h
View File

@ -80,6 +80,15 @@ CYASSL_API void AesCtrEncrypt(Aes* aes, byte* out, const byte* in, word32 sz);
CYASSL_API void AesEncryptDirect(Aes* aes, byte* out, const byte* in);
CYASSL_API void AesDecryptDirect(Aes* aes, byte* out, const byte* in);
#ifdef HAVE_AESGCM
CYASSL_API void AesGcmEncrypt(Aes* aes, byte* out, const byte* in, word32 sz,
byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz);
CYASSL_API int AesGcmDecrypt(Aes* aes, byte* out, const byte* in, word32 sz,
const byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz);
#endif /* HAVE_AESGCM */
#ifdef __cplusplus
} /* extern "C" */