Introduce LTC_NO_ACCEL.

Signed-off-by: Steffen Jaeckel <s@jaeckel.eu>

Author: sjaeckel

appveyor.yml

@@ -31,10 +31,12 @@ build_script:
       cp test.exe test-stock.exe
       cp timing.exe timing-stock.exe
       nmake -f makefile.msvc clean
-      nmake -f makefile.msvc all CFLAGS="/Ox /DUSE_LTM /DLTM_DESC /DLTC_NO_AES_NI /I../libtommath"
+      nmake -f makefile.msvc all CFLAGS="/Ox /DUSE_LTM /DLTM_DESC /DLTC_NO_ACCEL /I../libtommath"
 test_script:
 - cmd: >-
     test-stock.exe
-      test.exe
-      timing-stock.exe cipher_ecb
-      timing.exe cipher_ecb
+    test.exe
+    timing-stock.exe cipher_ecb aes
+    timing.exe cipher_ecb aes
+    timing-stock.exe hash sha
+    timing.exe hash sha

src/headers/tomcrypt_cfg.h

@@ -243,14 +243,22 @@ typedef unsigned long ltc_mp_digit;
    #undef ENDIAN_32BITWORD
    #undef ENDIAN_64BITWORD
    #undef LTC_FAST
-   #define LTC_NO_AES_NI
+   #define LTC_NO_ACCEL
    #define LTC_NO_BSWAP
    #define LTC_NO_CLZL
    #define LTC_NO_CTZL
    #define LTC_NO_ROLC
    #define LTC_NO_ROTATE
+#endif
+
+/* Just portable C implementations */
+#ifdef LTC_NO_ACCEL
+   #define LTC_NO_AES_NI
    #define LTC_NO_GCM_PCLMUL
    #define LTC_NO_GCM_PMULL
+   #define LTC_NO_SHA1_X86
+   #define LTC_NO_SHA224_X86
+   #define LTC_NO_SHA256_X86
 #endif
 
 /* No LTC_FAST if: explicitly disabled OR non-gcc/non-clang compiler OR old gcc OR using -ansi -std=c99 */