RPi上AES加密速度

閒著沒事來做個AES加密速度比較，用 RPi 小小的ARM11和Intel i5來比XD (簡直是螞蟻對上大象)

指令：

openssl speed -evp aes-128-cbc

	> openssl speed aes-128-cbc
	Doing aes-128 cbc 41943040 times on 16 size blocks: 41943040 aes-128 cbc's in 5.12s
	Doing aes-128 cbc 10485760 times on 64 size blocks: 10485760 aes-128 cbc's in 4.67s
	Doing aes-128 cbc 2621440 times on 256 size blocks: 2621440 aes-128 cbc's in 4.58s
	Doing aes-128 cbc 655360 times on 1024 size blocks: 655360 aes-128 cbc's in 4.61s
	Doing aes-128 cbc 81920 times on 8192 size blocks: 81920 aes-128 cbc's in 4.61s
	OpenSSL 0.9.8h 28 May 2008
	built on: Fri Aug 22 19:47:15 2008
	options:bn(64,32) md2(int) rc4(idx,int) des(ptr,risc1,16,long) aes(partial) idea
	(int) blowfish(idx)
	compiler: gcc -DL_ENDIAN -DDSO_WIN32 -fomit-frame-pointer -O3 -march=i486 -Wall
	-DBN_ASM -DMD5_ASM -DSHA1_ASM -DOPENSSL_BN_ASM_PART_WORDS -DOPENSSL_NO_CAMELLIA
	-DOPENSSL_NO_SEED -DOPENSSL_NO_RC5 -DOPENSSL_NO_MDC2 -DOPENSSL_NO_TLSEXT -DOPENS
	SL_NO_CMS -DOPENSSL_NO_KRB5 -DOPENSSL_NO_DYNAMIC_ENGINE
	available timing options: TIMEB HZ=1000
	timing function used: ftime
	The 'numbers' are in 1000s of bytes per second processed.
	type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
	aes-128 cbc 131072.00k 143794.44k 146366.12k 145698.79k 145698.79k

view raw i5 AES-cbc hosted with ❤ by GitHub

	> openssl speed aes-128-cbc
	pi@raspberrypi ~ $ openssl speed -evp aes-128-cbc
	Doing aes-128-cbc for 3s on 16 size blocks: 1302796 aes-128-cbc's in 2.98s
	Doing aes-128-cbc for 3s on 64 size blocks: 562392 aes-128-cbc's in 2.98s
	Doing aes-128-cbc for 3s on 256 size blocks: 171325 aes-128-cbc's in 2.98s
	Doing aes-128-cbc for 3s on 1024 size blocks: 43886 aes-128-cbc's in 2.88s
	Doing aes-128-cbc for 3s on 8192 size blocks: 5755 aes-128-cbc's in 2.98s
	OpenSSL 1.0.1e 11 Feb 2013
	built on: Sun Mar 24 12:44:00 UTC 2013
	options:bn(64,32) rc4(ptr,char) des(idx,cisc,16,long) aes(partial) blowfish(ptr)
	compiler: gcc -fPIC -DOPENSSL_PIC -DZLIB -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -DL_ENDIAN -DTERMIO -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -Wl,-z,relro -Wa,--noexecstack -Wall -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DAES_ASM -DGHASH_ASM
	The 'numbers' are in 1000s of bytes per second processed.
	type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
	aes-128-cbc 6994.88k 12078.22k 14717.85k 15603.91k 15820.46k

view raw RPi AES-cbc hosted with ❤ by GitHub

16bytes相差約18.7倍，8192bytes相差約9倍。比我想像中快嘛！

要不要在標題上下【無用】呢？