One Time Passwords via an SMS Gateway with BIG-IP Access Policy Manager

One time passwords, or OTP, are used (as the name indicates) for a single session or transaction.  The plus side is a more secure deployment, the downside is two-fold—first, most solutions involve a ...
Published Feb 08, 2011
Version 1.0
adn
automation
BIG-IP
BIG-IP Access Policy Manager (APM)
dev
industry
management
monitoring
news
security
Aung_Thurein_72's avatar
Aung_Thurein_72
Icon for Nimbostratus rankNimbostratus
Apr 11, 2012
There are views that tcl rand() srand() functions are not secure enough to use it for OTP generation.

 

 

In that case, [AES::key ] can be used for random number generation.

 

 

set otp [string range [expr 0x[string range [AES::key 128] 24 end]] 3 end]

 

 

Regards,

 

- Aung