olive-gate#show ver | inc IOS
Cisco IOS Software, 2801 Software (C2801-ENTSERVICESK9-M), Version 12.4(8), RELEASE SOFTWARE (fc1)
olive-gate#conf t
olive-gate(config)#crypto ?
  ca            Certification authority
  engine        Enter a crypto engine configurable menu
  key           Long term key operations
  pki           Public Key components
  provisioning  Secure Device Provisioning
  wui           Crypto HTTP configuration interfaces