All questions about ordering software, except with regards to DEA's regulations regarding software, should be directed to your vendor.
The CSOS Certification Authority (CSOS CA) is operated by DEA and issues CSOS Certificates to approved DEA Registrants and Power of Attorneys.
OCSP can be vulnerable to replay attacks, where a signed, 'good' response is captured by a malicious intermediary and replayed to the client at a later date after the subject certificate may have been revoked.
OCSP allows a nonce to be included in the request that may be included in the corresponding response.
If not explicitly defined, Android creates a default application object for your application.
It was created as an alternative to certificate revocation lists (CRL), specifically addressing certain problems associated with using CRLs in a public key infrastructure (PKI).
An Android application can have several activities.
Activities use views and fragments to create their user interface and to interact with the user.
class which is instantiated before any other Android component.
It is the last component which is stopped during application shutdown.