Update aes.c for new ARM asm names.

In order to align ppc64le with the existing code, 4467e59b changed the
prefix for both the ARM and ppc64le AES assembly code to be “aes_hw_”.
However, it didn't update aes.c as well.

Change-Id: I8e3c7dea1c49ddad8a613369af274e25d572a8fd
Reviewed-on: https://boringssl-review.googlesource.com/11342
Reviewed-by: Adam Langley <agl@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>

crypto/aes/aes.c

@@ -1066,12 +1066,12 @@ static int hwaes_capable(void) {
   return CRYPTO_is_ARMv8_AES_capable();
 }
 
-int aes_v8_set_encrypt_key(const uint8_t *user_key, const int bits,
+int aes_hw_set_encrypt_key(const uint8_t *user_key, const int bits,
                            AES_KEY *key);
-int aes_v8_set_decrypt_key(const uint8_t *user_key, const int bits,
+int aes_hw_set_decrypt_key(const uint8_t *user_key, const int bits,
                            AES_KEY *key);
-void aes_v8_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key);
-void aes_v8_decrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key);
+void aes_hw_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key);
+void aes_hw_decrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key);
 
 #else
 
@@ -1079,19 +1079,19 @@ static int hwaes_capable(void) {
   return 0;
 }
 
-static int aes_v8_set_encrypt_key(const uint8_t *user_key, int bits, AES_KEY *key) {
+static int aes_hw_set_encrypt_key(const uint8_t *user_key, int bits, AES_KEY *key) {
   abort();
 }
 
-static int aes_v8_set_decrypt_key(const uint8_t *user_key, int bits, AES_KEY *key) {
+static int aes_hw_set_decrypt_key(const uint8_t *user_key, int bits, AES_KEY *key) {
   abort();
 }
 
-static void aes_v8_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
+static void aes_hw_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
   abort();
 }
 
-static void aes_v8_decrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
+static void aes_hw_decrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
   abort();
 }
 
@@ -1106,7 +1106,7 @@ static void aes_v8_decrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key)
 void asm_AES_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key);
 void AES_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
   if (hwaes_capable()) {
-    aes_v8_encrypt(in, out, key);
+    aes_hw_encrypt(in, out, key);
   } else {
     asm_AES_encrypt(in, out, key);
   }
@@ -1115,7 +1115,7 @@ void AES_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
 void asm_AES_decrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key);
 void AES_decrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
   if (hwaes_capable()) {
-    aes_v8_decrypt(in, out, key);
+    aes_hw_decrypt(in, out, key);
   } else {
     asm_AES_decrypt(in, out, key);
   }
@@ -1124,7 +1124,7 @@ void AES_decrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
 int asm_AES_set_encrypt_key(const uint8_t *key, unsigned bits, AES_KEY *aeskey);
 int AES_set_encrypt_key(const uint8_t *key, unsigned bits, AES_KEY *aeskey) {
   if (hwaes_capable()) {
-    return aes_v8_set_encrypt_key(key, bits, aeskey);
+    return aes_hw_set_encrypt_key(key, bits, aeskey);
   } else {
     return asm_AES_set_encrypt_key(key, bits, aeskey);
   }
@@ -1133,7 +1133,7 @@ int AES_set_encrypt_key(const uint8_t *key, unsigned bits, AES_KEY *aeskey) {
 int asm_AES_set_decrypt_key(const uint8_t *key, unsigned bits, AES_KEY *aeskey);
 int AES_set_decrypt_key(const uint8_t *key, unsigned bits, AES_KEY *aeskey) {
   if (hwaes_capable()) {
-    return aes_v8_set_decrypt_key(key, bits, aeskey);
+    return aes_hw_set_decrypt_key(key, bits, aeskey);
   } else {
     return asm_AES_set_decrypt_key(key, bits, aeskey);
   }