1.1 openssl speed
测试加密算法的性能。
支持的算法有：
openssl speed [md2] [mdc2] [md5] [hmac] [sha1] [rmd160] [idea-cbc] [rc2-cbc] [rc5-cbc] [bf-cbc] [des-cbc] [des-ede3] [rc4] [rsa512] [rsa1024] [rsa2048] [rsa4096] [dsa512] [dsa1024] [dsa2048] [idea] [rc2] [des] [rsa] [blowfish]o
