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ruanhaishen
Tiny AES C
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4097cc59
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4097cc59
authored
Dec 06, 2017
by
kokke
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GitHub
Dec 06, 2017
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Update README.md
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@@ -45,14 +45,14 @@ GCC size output when only CTR mode is compiled for ARM:
...
@@ -45,14 +45,14 @@ GCC size output when only CTR mode is compiled for ARM:
$ arm-none-eabi-gcc -Os -DCBC=0 -DECB=0 -DCTR=1 -c aes.c
$ arm-none-eabi-gcc -Os -DCBC=0 -DECB=0 -DCTR=1 -c aes.c
$ size aes.o
$ size aes.o
text data bss dec hex filename
text data bss dec hex filename
1
155
0
184
1
339
53b
aes.o
1
203
0
0
1
203
4b3
aes.o
.. and when compiling for the THUMB instruction set, we end up just above 1K in code size.
.. and when compiling for the THUMB instruction set, we end up just above 1K in code size.
$ arm-none-eabi-gcc -Os -mthumb -DCBC=0 -DECB=0 -DCTR=1 -c aes.c
$ arm-none-eabi-gcc -Os -mthumb -DCBC=0 -DECB=0 -DCTR=1 -c aes.c
$ size aes.o
$ size aes.o
text data bss dec hex filename
text data bss dec hex filename
8
55 0
184
1039
40f
aes.o
9
55 0
0
955
3bb
aes.o
I am using the Free Software Foundation, ARM GCC compiler:
I am using the Free Software Foundation, ARM GCC compiler:
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