Add benchmark for AES-XEX
This commit adds benchmark based on what has already been done with
AES-CBC mode.
@@ -99,7 +99,7 @@ int main( void )
#define OPTIONS \
"md4, md5, ripemd160, sha1, sha256, sha512,\n" \
"arc4, des3, des, camellia, blowfish,\n" \
- "aes_cbc, aes_gcm, aes_ccm, aes_cmac, des3_cmac,\n" \
+ "aes_cbc, aes_gcm, aes_ccm, aes_cmac, aes_xex, des3_cmac,\n" \
"havege, ctr_drbg, hmac_drbg\n" \
"rsa, dhm, ecdsa, ecdh.\n"
@@ -233,7 +233,7 @@ unsigned char buf[BUFSIZE];
typedef struct {
char md4, md5, ripemd160, sha1, sha256, sha512,
arc4, des3, des,
- aes_cbc, aes_gcm, aes_ccm, aes_cmac, des3_cmac,
+ aes_cbc, aes_gcm, aes_ccm, aes_cmac, aes_xex, des3_cmac,
aria, camellia, blowfish,
havege, ctr_drbg, hmac_drbg,
rsa, dhm, ecdsa, ecdh;
@@ -279,6 +279,8 @@ int main( int argc, char *argv[] )
todo.des = 1;
else if( strcmp( argv[i], "aes_cbc" ) == 0 )
todo.aes_cbc = 1;
+ else if( strcmp( argv[i], "aes_xex" ) == 0 )
+ todo.aes_xex = 1;
else if( strcmp( argv[i], "aes_gcm" ) == 0 )
todo.aes_gcm = 1;
else if( strcmp( argv[i], "aes_ccm" ) == 0 )
@@ -426,6 +428,29 @@ int main( int argc, char *argv[] )
mbedtls_aes_free( &aes );
}
#endif
+#if defined(MBEDTLS_CIPHER_MODE_XEX)
+ if( todo.aes_xex )
+ {
+ int keysize;
+ mbedtls_aes_context crypt_ctx, tweak_ctx;
+ mbedtls_aes_init( &crypt_ctx );
+ mbedtls_aes_init( &tweak_ctx );
+ for( keysize = 128; keysize <= 256; keysize += 64 )
+ {
+ mbedtls_snprintf( title, sizeof( title ), "AES-XEX-%d", keysize );
+
+ memset( buf, 0, sizeof( buf ) );
+ memset( tmp, 0, sizeof( tmp ) );
+ mbedtls_aes_setkey_enc( &crypt_ctx, tmp, keysize );
+ mbedtls_aes_setkey_enc( &tweak_ctx, tmp, keysize );
+
+ TIME_AND_TSC( title,
+ mbedtls_aes_crypt_xex( &crypt_ctx, &tweak_ctx, MBEDTLS_AES_ENCRYPT, BUFSIZE, tmp, buf, buf ) );
+ }
+ mbedtls_aes_free( &crypt_ctx );
+ mbedtls_aes_free( &tweak_ctx );
+ }
+#endif
#if defined(MBEDTLS_GCM_C)
if( todo.aes_gcm )
{
