2009/8/28 loody <[email protected]>: > Hi: > thanks for your help. > 2009/8/28 David Schwartz <[email protected]>: >> >> loody wrote: >> >>> Dear all: >>> I measure my cpu's performance with "openssl speed" >>> below are the output: >>> # openssl speed rsa >>> Doing 512 bit private rsa's for 10s: 11828 512 bit private RSA's in 9.83s >>> available timing options: TIMES TIMEB HZ=100 [sysconf value] >>> timing function used: times >>> sign verify sign/s verify/s >>> rsa 512 bits 0.000831s 0.000062s 1203.3 16243.2 >>> rsa 1024 bits 0.003745s 0.000167s 267.0 5983.2 >>> >>> 1. what is 10s mean? >>> does it mean do the whole test for 10 times? >>> 2. what is 11828 mean? >>> does it mean total bits it running through? >> >> You can ignore these, they're just internal details of how it did the >> testing. Specifically, it tested for 10 seconds and performed 11,828 >> operations. But that doesn't really matter. >> >>> 3. from the table it summarize, what does sing/s mean? >>> does it mean can sign 1203.3 times per second? >> >> Yes. Your computer was able to do 1,203 RSA 512-bit signature operations per >> second. >> > I have other question about report for others: > The 'numbers' are in 1000s of bytes per second processed. > type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes > aes-128 cbc 55113.24k 73479.13k 80244.61k 81904.19k 82810.67k > aes-192 cbc 27970.94k 50741.33k 63542.21k 68268.61k 69516.54k > aes-256 cbc 26463.46k 45607.71k 55495.32k 59450.22k 60169.97k > > the above mean aes-128 cbc will use 55113.2k bytes/second while > encrypting/decrypting 16btytes plain text? BTW, does "type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes" means different length of plain text? As far as I know, aes and des are symmetric encryption, so the unit of plaintext should as big as key. but why aes 128 cbc works on type 64 bytes, 512 bits?
appreciate your kind help :) miloody ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List [email protected] Automated List Manager [email protected]
