Chacha20 ARM optimization

Author: julek-wolfssl

.gitignore

@@ -321,3 +321,8 @@ doc/pdf
 
 # XCODE Index
 IDE/XCODE/Index
+
+# ARM DS-5
+\.settings/
+\.cproject
+\.project

IDE/LPCXPRESSO/README.md

@@ -2,15 +2,16 @@
 
 To use, install the NXP LPCXpresso IDE and import the projects in a new workspace.
 
-1. Run LPCXpresso and choose a workspace location.
-2. Right click in the project exporer window and choose Inport.
-3. Under General choose "Existing Projects into Workspace".
-4. Under "Select root directory" click browse and select the wolfSSL root.
-5. Check the "Search for nested projects" box.
-5. Make sure "wolfssl" and "wolfssl_example" are checked under "Projects:".
-6. Click finish.
-7. Download the board and chip LPCOpen package for your platform.
-8. Import the projects. For example "lpc_board_nxp_lpcxpresso_1837" and "lpc_chip_18xx" are the ones for the LPC18S37.
+1. Change names of `LPCExpresso.project` and `LPCExpresso.cproject` files to `.project` and `.cproject`
+2. Run LPCXpresso and choose a workspace location.
+3. Right click in the project explorer window and choose Import.
+4. Under General choose "Existing Projects into Workspace".
+5. Under "Select root directory" click browse and select the wolfSSL root.
+6. Check the "Search for nested projects" box.
+7. Make sure "wolfssl" and "wolfssl_example" are checked under "Projects:".
+8. Click finish.
+9. Download the board and chip LPCOpen package for your platform.
+10. Import the projects. For example "lpc_board_nxp_lpcxpresso_1837" and "lpc_chip_18xx" are the ones for the LPC18S37.
 
 To setup this example to work with different baords/chips you will need to locate the LPCOpen sources for LPCXpresso on the NXP website and import the board and chip projects. Then you will need to update the "wolfssl_example" project properties to reference these projects (C/C++ General -> Paths and Symbols -> References). See the [LPCOpen v2.xx LPCXpresso quickstart guide for all platforms](https://www.lpcware.com/content/project/lpcopen-platform-nxp-lpc-microcontrollers/lpcopen-v200-quickstart-guides/lpcopen-1) for additional information.
 

.cproject LPCExpresso.cproject

@@ -340,10 +340,14 @@ src_libwolfssl_la_SOURCES += wolfcrypt/src/rabbit.c
 endif
 
 if BUILD_CHACHA
+if BUILD_ARMASM
+src_libwolfssl_la_SOURCES += wolfcrypt/src/port/arm/armv8-chacha.c
+else
 src_libwolfssl_la_SOURCES += wolfcrypt/src/chacha.c
 if BUILD_INTELASM
 src_libwolfssl_la_SOURCES += wolfcrypt/src/chacha_asm.S
 endif
+endif
 if BUILD_POLY1305
 src_libwolfssl_la_SOURCES += wolfcrypt/src/chacha20_poly1305.c
 endif

.project LPCExpresso.project

@@ -27,6 +27,10 @@
  */
 
 
+#ifdef WOLFSSL_ARMASM
+    /* implementation is located in wolfcrypt/src/port/arm/armv8-chacha.c */
+
+#else
 #ifdef HAVE_CONFIG_H
     #include <config.h>
 #endif
@@ -316,3 +320,4 @@ int wc_Chacha_Process(ChaCha* ctx, byte* output, const byte* input,
 
 #endif /* HAVE_CHACHA*/
 
+#endif /* WOLFSSL_ARMASM */

src/include.am

@@ -48,6 +48,9 @@ EXTRA_DIST += wolfcrypt/src/port/ti/ti-aes.c \
               wolfcrypt/src/port/ti/ti-ccm.c \
               wolfcrypt/src/port/pic32/pic32mz-crypt.c \
               wolfcrypt/src/port/nrf51.c \
+              wolfcrypt/src/port/arm/armv8-aes.c \
+              wolfcrypt/src/port/arm/armv8-sha256.c \
+              wolfcrypt/src/port/arm/armv8-chacha.c \
               wolfcrypt/src/port/arm/armv8-curve25519.c \
               wolfcrypt/src/port/arm/armv7-curve25519.c \
               wolfcrypt/src/port/arm/armv8-sha512-asm.c \