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| author | kokke <spam@rowdy.dk> | 2014-07-12 02:11:37 +0200 |
|---|---|---|
| committer | kokke <spam@rowdy.dk> | 2014-07-12 02:11:37 +0200 |
| commit | 448acb512aeb9b7bafb2721f010d8bf2d54bb49b (patch) | |
| tree | 93c5d1484c170ef18cfe3fd1bd910185213d0f50 | |
| parent | Update README.md (diff) | |
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| -rw-r--r-- | README.md | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -1,8 +1,8 @@ ### Tiny AES128 in C -This is a small and portable implementation of the AES128 ECB encryption algorithm implemented in C. I haven't finished the decryption part yet, but it will come. +This is a small and portable implementation of the AES128 ECB encryption algorithm implemented in C. -The module uses just a bit more than 200 bytes of RAM and 1K ROM when compiled for ARM (YMMV). +The module uses just a bit more than 200 bytes of RAM and 2.7K ROM when compiled for ARM (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). @@ -14,10 +14,10 @@ GCC size output when compiled for ARM: - $ arm-none-eabi-gcc -Os -c -mthumb aes.c -o aes.o + $ arm-none-eabi-gcc -Os -c aes.c $ size aes.o text data bss dec hex filename - 1107 0 204 1311 51f aes.o + 2515 0 204 2719 a9f aes.o I am using Mentor Graphics free ARM toolchain: |