Abstract: Systems and methods for managing router configuration devices in a secure data communication network are described herein. An illustrative system includes a plurality of programmed external configuration devices and a configuration device programmer. Each programmed external configuration device contains at least a portion of a definition of a secure data path between a first router and a second router. Each programmed external configuration device can be detachably coupled to a first router to create a secure data path between the first router and a second router. The configuration device programmer writes a secure data path definition into a selected external configuration device if a predetermined number of programmed external configuration devices are coupled to the configuration device programmer.

Abstract: To validate a received certificate issuance notification message, a device may verify that the certificate issuance notification message conforms to expected norms or authenticate a signature associate with the certificate issuance notification message. Upon validating, the device may then transmit a uniform resource locator, extracted from the certificate issuance notification message, to a network entity configured for processing certificate issuance.

Abstract: An authentication method, which includes: a server sends a challenge to a client; the client obtains a first key performs a transformation on the first key utilizing a local hash function to obtain a third key, encrypts the first key and the challenge utilizing the third key to obtain a ciphertext, and sends the ciphertext to the server; the server decrypts the ciphertext utilizing a second key stored locally, obtains a decrypted first key and a decrypted challenge if the second key is the same as the third key, performs a transformation on the decrypted first key utilizing a local hash function to obtain a fourth key, the client passes the authentication if the decrypted challenge and the fourth key are respectively the same as the challenge sent by the server and the second key stored locally by the server.

Abstract: Unique digital signatures of sensitive or restricted image files are calculated and stored in a database. A hook routine hooks an open or read command when an application opens an image file in order to check for a restricted digital signature of that image file. If present, a digital watermark is added to the image before the application edits that image. A user may then modify the image. A hook routine also hooks a close or write command in order to check for a digital watermark. If present, the digital watermark is removed and a new digital signature for the revised image is calculated. The digital signature for the revised image is then uploaded to a database associated with a DLP server software product, and then pushed periodically down to endpoint DLP client products.

Abstract: The present invention discloses methods, media, and gateways for protecting against cookie-poisoning attacks in networked-communication applications. Methods include the steps of: creating a protected gateway cookie, generated by a gateway, for a server cookie, generated by a server, wherein the server cookie is received by the gateway in an HTTP response message; and validating, by the gateway, that a client cookie from a client request has a corresponding gateway cookie with expected field values. Preferably, the field values include at least one field value selected from the group consisting of: a name, a hash value computed over the server cookie, a hash-function index, a timestamp, a nonce, a hash value computed over newly-generated values, a path, a domain, an expiration, and an HTTP-only value. Preferably, the gateway cookie is signed with a secret key. Most preferably, the secret key is generated by a secret seed.