Secure connection certificate verification

Patent metadata

Field	Value
Publication number	US-9300656-B2
Application number	US-201414464731-A
Country	US
Kind code	B2
Filing date	Aug 21, 2014
Priority date	Aug 21, 2014
Publication date	Mar 29, 2016
Grant date	Mar 29, 2016

Abstract

One or more computer processors identify a first certificate that is used to establish a secure Internet connection. One or more computer processors identify a stored second certificate that shares at least one attribute with the first certificate. One or more computer processors determine a policy action based, at least in part, on a result of a comparison between an attribute of the first certificate and an attribute of the second certificate.

First claim

What is claimed is:

1. A computer program product for determining a policy action for a connection in which certificates are utilized in a secure network connection, the computer program product comprising:
one or more computer readable storage device and program instructions stored on the one or more computer readable storage device, the program instructions comprising:
program instructions to identify a first certificate received that is used to establish a secure Internet connection;
program instructions to identify a stored second certificate that shares at least one attribute with the first certificate, wherein identifying a stored second certificate includes comparing one or more attributes of the first certificate with one or more attributes from each stored certificate from a plurality of stored certificates; and
program instructions to determine a policy action based, at least in part, on a result of a comparison between an attribute of the first certificate and an attribute of the stored second certificate.

2. The computer program product of claim 1 , further comprising program instructions to execute the determined policy action on a client computing device.

3. The computer program product of claim 1 , wherein the program instructions to identify a first certificate that is used to establish a secure Internet connection, comprise program instructions to:
identify a certificate that is utilized to establish a secure Internet connection via deep-packet inspection; and
storing the identified certificate in a storage device.

4. The computer program product of claim 1 , wherein the secure Internet connection is one or both of a cryptographic protocol, or an encryption protocol, wherein the one or both of the cryptographic protocol, or the encryption protocol, is one or more of a secure socket layer connection, or a transport layer security.

5. The computer program product of claim 1 , wherein the stored second certificate is located in a database that is at least in part managed by an in-line computing device and the stored second certificated was received during the establishment of a previous secure Internet connection.

6. The computer program product of claim 1 , wherein determining the policy action occurs after the secure Internet connection has been established.

7. The computer program product of claim 1 , wherein determining a policy action based, at least in part, on a result of a comparison between an attribute of the first certificate and an attribute of the stored second certificate, comprise program instructions to:
determine that a type of attribute of the first certificate includes content that is different than a content of a same type of attribute of the second certificate; and
execute the policy action based, at least in part, on a difference in the content of the type of attribute of the first certificate and the content of the same type of attribute of the second certificate.

8. A computer system for determining a policy action for a connection in which certificates are utilized in a secure network connection, the computer system comprising:
one or more computer processors;
one or more computer readable storage device;
program instructions stored on the computer readable storage media for execution by at least one of the one or more computer processors, the program instructions comprising:
program instructions to identify a first certificate that is used to establish a secure Internet connection;
program instructions to identify a stored second certificate that shares at least one attribute with the first certificate; and
program instructions to determine a policy action based, at least in part, on a result of a comparison between an attribute of the first certificate and an attribute of the stored second certificate, wherein the result of the comparison includes a determination that a type of attribute of the first certificate includes content that is different than a content of a same type of attribute of the second certificate; and
program instructions execute the policy action based, at least in part, on a difference in the content of the type of attribute of the first certificate and the content of the same type of attribute of the second certificate.

9. The computer system of claim 8 , further comprising program instructions to execute the determined policy action on a client computing device.

10. The computer system of claim 8 , wherein the program instructions to identify a first certificate that is used to establish a secure Internet connection, comprise program instructions to:
identify a certificate that is utilized to establish a secure Internet connection via deep-packet inspection; and
storing the identified certificate in a storage device.

11. The computer system of claim 8 , wherein the secure Internet connection is one or both of a cryptographic protocol, or an encryption protocol, wherein the one or both of the cryptographic protocol, or the encryption protocol, is one or more of a secure socket layer connection, or a transport layer security.

12. The computer system of claim 8 , wherein the stored second certificate is located in a database that is at least in part managed by an in-line computing device.

13. The computer system of claim 8 , wherein determining the policy action occurs after the secure Internet connection has been established.

Assignees

• IBM

Inventors

• Ashley Paul A
• Hagemann Carsten

Classifications

• H04L63/166

  at the transport layer · CPC title

• H04L63/20

  for managing network security; network security policies in general (filtering policies H04L63/0227) · CPC title

• H04L63/0823 Primary

  using certificates (cryptographic mechanisms or cryptographic arrangements for entity authentication involving certificates H04L9/3263) · CPC title

• H04L2209/24

  Key scheduling, i.e. generating round keys or sub-keys for block encryption · CPC title

• H04L2209/64

  Self-signed certificates · CPC title