SSL not working with yubico-client

[Google Code Exporter]

What steps will reproduce the problem?
1. change pam-auth url to use https
2.
3.

What is the expected output? What do you see instead?

expecting validation to succeed
validation fails


What version of the product are you using? On what operating system?

3.1-svn release (current 10/14/2013)
Redhat 6.4

Please provide any additional information below.

I am able to successfully authenticate using the following:

auth        required      pam_yubico.so authfile=/etc/yubikeyid id=1 
key=XXXXXXXXXX= 
url=http://act-yubikey-val.ucsd.edu/wsapi/2.0/verify?id=%d&otp=%s

If I change the url to https it fails. 

Original issue reported on code.google.com by [e-mail] on 14 Oct 2013 at 9:13