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| author | kokke <spam@rowdy.dk> | 2014-07-12 20:53:20 +0200 |
|---|---|---|
| committer | kokke <spam@rowdy.dk> | 2014-07-12 20:53:20 +0200 |
| commit | b23d939114b755796d3d130ee27fd16457d9dd4c (patch) | |
| tree | 38d5c6de5d08594d87069962f025a97b00c1dd8a | |
| parent | Update README.md (diff) | |
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| -rw-r--r-- | README.md | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -9,7 +9,7 @@ void AES128_ECB_encrypt(uint8_t* input, uint8_t* key, uint8_t *output); void AES128_ECB_decrypt(uint8_t* input, uint8_t* key, uint8_t *output); ``` -The module uses just a bit more than 200 bytes of RAM and 2.5K ROM when compiled for ARM (<2K for Thumb but YMMV). +The module uses just a bit more than 200 bytes of RAM and 2.5K ROM when compiled for ARM (~2K for Thumb but YMMV). It is the smallest implementation in C I've seen yet, but do contact me if you know of something smaller (or have improvements to the code here). @@ -27,7 +27,7 @@ GCC size output when compiled for ARM: 2515 0 204 2719 a9f aes.o -.. and when compiling for the THUMB instruction set, we end up at just below 2K in code size. +.. and when compiling for the THUMB instruction set, we end up around 2K in code size. $ arm-none-eabi-gcc -mthumb -Os -c aes.c $ size aes.o |