You can achieve this using OpenSSL. (Mac OSX includes OpenSSL within Terminal.app)
SHA is a popular hashing algorithm used by the majority of SSL certificates. As computing power has increased the feasibility of breaking the SHA1 hash has increased.
This usually means the implementation of SSL on your server is not correct. The error is usually caused by a server side problem which the server administrator will need to investigate.
A warning is displayed in the Chrome console window regarding your certificate
This message is sometimes displayed when accessing an SSL page via a proxy (including our own payment page PayPal).
Customers affected by the upcoming distrust of Symantec, Geotrust, Thawte and RapidSSL certificates have a number of options prior to the September deadline to ease the reissue process.
Get information on managing CodeGuard if you are a bulk user or reseller.
Please follow the steps in this article if you need to remove your card payment details.
When your account is first created it will not have a password. You can follow these instructions to gain access to your account and set an optional password.