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This is a small portable (and slow) implementation of AES128 in C.
+AES128 ECB is symmetric, so you use the same function for encrypting and decrypting.
+
The module uses less than 250 bytes of RAM and ~1.5K ROM.
-AES128 ECB is symmetric, so you use the same function for encrypting and decrypting.
+
+GCC size output when compiled for ARM:
+
+ $ arm-none-eabi-gcc -Os -c aes.c -o aes.o
+ $ size aes.o
+ text data bss dec hex filename
+ 1447 0 204 1651 673 aes.o
+