hi
do find the link from where u can download the crypto s/w for 2950 but u will be prompted for CCO login..
http://cisco.com/cgi-bin/tablebuild.pl/cat2950-cryptoc2950-i6k2l2q4-mz.121-22.EA4.bin
Also find the filename details mentioned below..
Filename : c2950-i6k2l2q4-mz.121-22.EA4.bin
C2950 EI AND SI IOS CRYPTO
Release : 12.1(22)EA4
Date : 24-MAR-2005
Size (Bytes) : 3685678
Filename : c2950-i6k2l2q4-tar.121-22.EA4.tar
C2950 EI AND SI IOS CRYPTO AND WEB BASED DEVICE MANAGER
Release : 12.1(22)EA4
Date : 24-MAR-2005
Size (Bytes): 540672
regds