On Wed, 8 Dec 2004 13:33:27 +0100, Lee Parkes <[EMAIL PROTECTED]> wrote: > Hi, > I'm working on a project for a company that involves the use of 3DES. They > have > asked me to find out what the overheads are for encrypting a binary file. > There > will be quite a lot of traffic coming in (in the region of hundreds of > thousands of files per hour). Has anyone got any figures for 3DES performance? > I've tried bdes on OpenBSD which has given me some useful results.
use "openssl speed". ttyp1# openssl speed des blowfish To get the most accurate results, try to run this program when this computer is idle. Doing des cbc for 3s on 16 size blocks: 3237791 des cbc's in 2.74s Doing des cbc for 3s on 64 size blocks: 885896 des cbc's in 2.74s Doing des cbc for 3s on 256 size blocks: 173965 des cbc's in 2.15s Doing des cbc for 3s on 1024 size blocks: 53943 des cbc's in 2.59s Doing des cbc for 3s on 8192 size blocks: 6254 des cbc's in 2.37s Doing des ede3 for 3s on 16 size blocks: 1253405 des ede3's in 2.64s Doing des ede3 for 3s on 64 size blocks: 331913 des ede3's in 2.77s Doing des ede3 for 3s on 256 size blocks: 82690 des ede3's in 2.75s Doing des ede3 for 3s on 1024 size blocks: 19544 des ede3's in 2.54s Doing des ede3 for 3s on 8192 size blocks: 2455 des ede3's in 2.55s Doing blowfish cbc for 3s on 16 size blocks: 3843597 blowfish cbc's in 2.02s Doing blowfish cbc for 3s on 64 size blocks: 645760 blowfish cbc's in 1.14s Doing blowfish cbc for 3s on 256 size blocks: 352101 blowfish cbc's in 2.70s Doing blowfish cbc for 3s on 1024 size blocks: 88319 blowfish cbc's in 2.63s Doing blowfish cbc for 3s on 8192 size blocks: 11269 blowfish cbc's in 2.69s OpenSSL 0.9.7d 17 Mar 2004 built on: date not available options:bn(64,32) md2(int) rc4(idx,int) des(ptr,risc1,16,long) aes(partial) blowfish(idx) compiler: information not available available timing options: USE_TOD HZ=100 [sysconf value] timing function used: getrusage The 'numbers' are in 1000s of bytes per second processed. type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes des cbc 18891.73k 20675.95k 20729.04k 21296.44k 21642.88k des ede3 7594.60k 7680.88k 7697.69k 7882.07k 7896.48k blowfish cbc 30510.41k 36233.33k 33442.44k 34452.82k 34350.01k -- GDB has a 'break' feature; why doesn't it have 'fix' too? --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]
