Adjust AES hardware detection

Author: utelle

src/aegis/aegis128l/aegis128l.c

@@ -266,21 +266,21 @@ aegis128l_pick_best_implementation(void)
 {
     implementation_128l = &aegis128l_soft_implementation;
 
-#if defined(__aarch64__) || defined(_M_ARM64)
+#if HAS_AEGIS_AES_HARDWARE == AEGIS_AES_HARDWARE_NEON
     if (aegis_runtime_has_armcrypto()) {
         implementation_128l = &aegis128l_armcrypto_implementation;
         return 0;
     }
 #endif
 
-#if defined(__x86_64__) || defined(_M_AMD64) || defined(__i386__) || defined(_M_IX86)
+#if HAS_AEGIS_AES_HARDWARE == AEGIS_AES_HARDWARE_NI
     if (aegis_runtime_has_aesni() && aegis_runtime_has_avx()) {
         implementation_128l = &aegis128l_aesni_implementation;
         return 0;
     }
 #endif
 
-#if defined(__ALTIVEC__) && defined(__CRYPTO__)
+#if HAS_AEGIS_AES_HARDWARE == AEGIS_AES_HARDWARE_ALTIVEC
     if (aegis_runtime_has_altivec()) {
         implementation_128l = &aegis128l_altivec_implementation;
         return 0;

src/aegis/common/aeshardware.h

@@ -36,6 +36,8 @@
 
 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) && (defined(__x86_64__) || defined(__i386))
 #define HAS_AEGIS_AES_HARDWARE AEGIS_AES_HARDWARE_NI
+#elif defined(__aarch64__) || (defined(__arm__) && defined(__ARM_NEON))
+#define HAS_AEGIS_AES_HARDWARE AEGIS_AES_HARDWARE_NEON
 #endif