pentium 1/100mhz approximately ./openssl speed OpenSSL 0.9.2b 22 Mar 1999 ... built on: Tue May 25 14:30:05 PDT 1999 options:bn(64,32) md2(int) rc4(idx,int) des(ptr,risc1,16,long) idea(int) blowfish(ptr2) compiler: gcc -DTERMIOS -DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall -DSHA1_ASM -DMD5_ASM -DRMD160_ASM The 'numbers' are in 1000s of bytes per second processed. type 8 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes md2 96.03k 265.06k 353.69k 389.46k 402.46k mdc2 295.73k 327.79k 332.89k 334.62k 333.14k md5 1685.86k 9312.92k 18833.22k 25380.97k 27967.49k hmac(md5) 762.13k 5125.22k 13306.20k 22096.02k 26965.33k sha1 976.47k 4875.71k 9062.82k 11535.70k 12483.19k rmd160 740.41k 3770.15k 7062.85k 9186.62k 10022.34k rc4 13231.68k 17531.21k 18263.49k 17815.60k 17960.30k des cbc 3427.93k 3736.15k 3741.65k 3703.04k 3710.35k des ede3 1262.95k 1307.65k 1323.22k 1307.30k 1306.60k idea cbc 1109.15k 1195.22k 1205.85k 1204.22k 1203.82k rc2 cbc 1097.85k 1176.56k 1191.38k 1196.68k 1196.80k rc5-32/12 cbc 5915.90k 6806.22k 6933.93k 6970.37k 6927.70k blowfish cbc 6315.60k 7406.93k 7554.71k 7476.22k 7350.95k cast cbc 4549.70k 5043.03k 5114.22k 5067.09k 4986.86k sign verify sign/s verify/s rsa 512 bits 0.0095s 0.0011s 105.0 910.9 rsa 1024 bits 0.0571s 0.0033s 17.5 303.4 rsa 2048 bits 0.3551s 0.0112s 2.8 89.1 rsa 4096 bits 2.4629s 0.0402s 0.4 24.9 sign verify sign/s verify/s dsa 512 bits 0.0107s 0.0130s 93.8 77.1 dsa 1024 bits 0.0308s 0.0379s 32.5 26.4 dsa 2048 bits 0.1045s 0.1272s 9.6 7.9