1. Amazon. 2017. Amazon web services. http://aws.amazon.com/ec2/. (2017). Amazon. 2017. Amazon web services. http://aws.amazon.com/ec2/. (2017).
2. CUMULUS Consortium. 2013. D2.1 Security-Aware SLA Specification Language and Cloud Security Dependency model. Technical Report. Certification infrastrUcture for MUlti- Layer cloUd Services. http://www.cumulus-project.eu/index.php/public-deliverables CUMULUS Consortium. 2013. D2.1 Security-Aware SLA Specification Language and Cloud Security Dependency model. Technical Report. Certification infrastrUcture for MUlti- Layer cloUd Services. http://www.cumulus-project.eu/index.php/public-deliverables
3. Tim Dierks and Eric Rescorla. 2008. The transport layer security (TLS) protocol version 1.2. https://www.ietf.org/rfc/rfc5246.txt. (2008). Tim Dierks and Eric Rescorla. 2008. The transport layer security (TLS) protocol version 1.2. https://www.ietf.org/rfc/rfc5246.txt. (2008).
4. Slava Galperin Stefan Santesson Michael Myers Ambarish Malpani and Carlisle Adams. 1999. X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSP. https://www.ietf.org/rfc/rfc2560.txt. (1999). Slava Galperin Stefan Santesson Michael Myers Ambarish Malpani and Carlisle Adams. 1999. X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSP. https://www.ietf.org/rfc/rfc2560.txt. (1999).