U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6205950

Pet Toilet-Like Water Disk and Food Storage

One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 380/280 - Control vector or tag


Subclass of Class 380 - Cryptography
Definition: Subject matter wherein a key has associated data that limits
No. of patents: 134
Last issue date: 05/29/2012


1        
NumberTitleIssue Date
8189792Method and apparatus for performing cryptographic operations
In one embodiment, the present invention includes a processor having logic to perform a round of a cryptographic algorithm responsive to first and second round micro-operations to perform the round on first and second pairs of columns, where the logic includes dual ...
05/29/2012
8014529In-band device enrollment without access point support
In one embodiment, the invention provides a method for configuring a wireless device, so as to enable the wireless device to join a secured wireless network, by broadcasting a series of broadcast packets encoding a network configuration parameter (e.g., a shared sec...
09/06/2011
7961887Content distribution system and tracking system
A content distribution system encrypts a content by using different session keys assigned to user systems, encrypts each of the session keys with a public key corresponding to a decryption key unique to each user system, generates, for a group of user identification...
06/14/2011
7894607System, method and media drive for selectively encrypting a data packet
A system, method and media drive for selectively encrypting a data packet. The system includes an encryption key for use in encrypting the data packet, a verification data element derived from the encryption key, an encryption engine for selectively encrypting the d...
02/22/2011
7706541Information management apparatus
An information management apparatus capable of reliable management of distributed information and an information providing system employing the same information management apparatus has a main information reproducing system for reproducing main information recorded ...
04/27/2010
7471796Apparatus for and method of controlling propagation of decryption keys
A security system for controlling access to encrypted information, comprising: a memory for storing at least one decryption key for use in decrypting an encrypted item of information, the decryption key being associated with a security code which can be used to dete...
12/30/2008
7443984Information processing system and method for distributing encrypted message data
A content key, an authentication key, and a program data etc. are transmitted with an enabling key block (EKB) in an encrypted key constitution of a tree structure. The EKB has a constitution in which a device as a leaf of the tree holds a leaf key and a limited nod...
10/28/2008
7436957Audio cassette emulator with cryptographic media distribution control
A device of the same general physical size and shape as a standard audio cassette tape, but which accepts digital information from any of a variety of sources—including for example: Internet transmission, a digital computer, or memory cards (especially digital mem...
10/14/2008
7437568Apparatus and method for establishing trust
Computer apparatus comprising a receiver for receiving an integrity metric for a computer entity via a trusted device associated with the computer entity, the integrity metric having values for a plurality of characteristics associated with the computer entity; a co...
10/14/2008
7437549Datacast distribution system
According to the present invention there is provided a datacast distribution system which allows for the distribution of movies, music, games, application software, and the like using a new or existing terrestrial digital video broadcasting (DVB-T) network or the li...
10/14/2008
7428754System for secure computing using defense-in-depth architecture
A secure computing system is provided which utilizes a unique combination of Public Key Infrastructure (PKI), Virtual Private Networking (VPN), and server-based computing on thin client devices. The combination of technology and components provide secure computing t...
09/23/2008
7392384Method and system for secure storage, transmission and control of cryptographic keys
A system and method are described supporting secure implementations of 3DES and other strong cryptographic algorithms. A secure key block having control, key, and MAC fields safely stores or transmits keys in insecure or hostile environments. The control field provi...
06/24/2008
7373509Multi-authentication for a computing device connecting to a network
In an embodiment, a method includes authenticating a computing device and a different entity for a session of communication between the computing device and the different entity. The authenticating includes generating a hash of a value selected from the group consis...
05/13/2008
7369662Maintaining end-to-end synchronization on a telecommunications connection
A method and an arrangement maintain end-to-end synchronization on a telecommunications connection transmitting data in frames substantially in real time and using synchronized end-to-end encryption, wherein at least a part of the telecommunications connection is a ...
05/06/2008
7366905Method and system for user generated keys and certificates
A method and system to allow user generation of a private-public key pair and an associated user generated certificate to establish the identity of a user based upon signing the user generated certificate with a private key of a private-public key pair associated wi...
04/29/2008
7362859Enhancement of utilization of encryption engine
A method of enhancing throughput of a pipelined encryption/decryption engine for an encryption/decryption process has a predetermined number of stages and provides feedback around the stages (and of such an encryption/decryption engine) by receiving a source datablo...
04/22/2008
7356688System and method for document distribution
Methods for transferring among key holders in encoding and cryptographic systems the right to decode and decrypt messages in a way that does not explicitly reveal decoding and decrypting keys used and the original messages. Such methods are more secure and more effi...
04/08/2008
7352862Encryption method, communication system, transmission device, and data input device
An encryption method includes the steps of (a) generating random data including a first part and a second part, the first part specifying an operation to be performed on plain text data and the second part being used in the operation, (b) performing the specified op...
04/01/2008
7353387Method and system for integrating encryption functionality into a database system
Aspects for integrating encryption functionality into a database system are described. The aspects include providing at least two functions to support data encryption in a database system. The at least two functions are utilized within structured query language stat...
04/01/2008
7336791Information processing apparatus
Upon receipt of a service data request from a client, a license server offering a key to decrypt a content transmits a user information request to the client. On receiving the user information request, the client displays a message prompting its user to enter such u...
02/26/2008
7327846Secure cryptographic key exchange and verifiable digital signature
One aspect of the present invention establishes a session key by a receiving unit R transmitting a plurality of quantities for storage in a public repository. A sending unit S: 1. retrieves the plurality of quantities; and ...
02/05/2008
7324644Scheme for transferring copyright protected contents data using radio link layer authentication/encryption
Between a transmitting device and a receiving device, a first authentication and key exchange procedure depending on a radio link layer network is carried out, and then a whole or a part of a second authentication and key exchange procedure depending on the copyrigh...
01/29/2008
7321660Method and apparatus for encrypting/decrypting data using timed-release keys
A computer system comprises a first computer entity arranged to encrypt data using an encryption key comprising a time value, and a second computer entity arranged to generate, at intervals, a decryption key using a current time value. The encryption and decryption ...
01/22/2008
7320069Selective encryption of media data
Methods, systems, and data structures are provided selectively encrypting portions of media data that are streamed over a network. Media data is identified and a portion of the data is selectively encrypted. The media data is then streamed over a network to one or m...
01/15/2008
7320076Method and apparatus for a transaction-based secure storage file system
A method for generating a secure storage file system, including encrypting data using a symmetric key to obtain encrypted data, encrypting the symmetric key using a public key to obtain an encrypted symmetric key, storing the encrypted data and the encrypted symmetr...
01/15/2008
7317799Cryptographic key distribution using key folding
Methods, computer-readable media, and apparati for securely distributing a cryptographic key (C) from a first party(s) to a second party(s). A method embodiment of the present invention comprises the steps of combining (steps 1 and 2) the cryptographic...
01/08/2008
7313700Method and system for authenticating a message sender using domain keys
A method and system is directed to providing policies for handling authenticated messages, such as email, and the like, by combining Public Key encryption and the Internet Domain Name System (the “DNS”). The policies include system, user, statistics, new domain,...
12/25/2007
7313236Methods and apparatus for secure and adaptive delivery of multimedia content
Techniques for securely and adaptively delivering multimedia content. It is assumed that a set of alternate access units for each time slot is obtained. Then, the encryption stream index of each access unit from the set of alternate access units of the previous time...
12/25/2007
7305084Fast encryption and authentication for data processing systems
Methods and apparatus are presented for secure, authenticated communication and data storage. The methods can be based on other methods such as IAPM, in which the encryption and authentication keys are of the same strength. In the HR-IAPM mode, a sender encrypts the...
12/04/2007
7302056Method and system for determining sequence parameters to limit cycle attacks in timed release cryptography
A method and system for determining sequence parameters to limit cycle attack in time-line sequences associated with digital signature technologies is disclosed. The method comprises the steps of determining a pair of values associated with a modulus value for gener...
11/27/2007
7283277Image borders
A border can be added to an image using pixels of a graphic piece that can be copied into or around an image. The graphic piece can be repeatedly copied around an image to form a border. A mask file identifies pixels of a graphic piece to merge with pixels of the im...
10/16/2007
7283629Deriving keys used to securely process electronic messages
A plurality of message processors exchange public and secret information. Based on the exchanged information, each message processor computes a key sequence such that any one of a plurality of keys may be derived from the key sequence depending on key derivation dat...
10/16/2007
7277548Cryptographic method and computer program product for use in wireless local area networks
An encryption system and method that may encrypt all of the transmitted and received data packets on the data link layer without collisions on the Initialization Vector (IV). In the encryption system and method a new final key value may be generated and applied to e...
10/02/2007
7269729Relational database management encryption system
Disclosed is a method of internally encrypting data in a relational database, comprising the steps of providing a security dictionary comprising one or more security catalogs, receiving data from a user associating said data with a database column and at least one a...
09/11/2007
7266201Non-disruptive authentication administration
A configurable timer may be used for seamless authentication administration. A network administrator may set the timer value. Then the network administrator may begin to update the authentication configuration or key and the timer may begin to count down. While the ...
09/04/2007
7254233Fast encryption and authentication for data processing systems
Methods and apparatus are presented for partially encrypting a data transmission, yet providing authentication for all of the data transmission. Plaintext blocks are combined with noise blocks and then either encrypted or decrypted to form ciphertext blocks and auth...
08/07/2007
7246244Identity verification method using a central biometric authority
A method performs biometric verifications to authenticate the identification of users using a central biometric authority (CBA). This allows parties to an electronic transaction to be assured of each other's identity. Specifically, at the sender side, a first messag...
07/17/2007
7242772Encryption apparatus and method for synchronizing multiple encryption keys with a data stream
A data stream, such as a digital motion picture, is encrypted in units of one or more blocks, each block having an assigned encryption key. A plurality of encryption keys is assigned to the complete data stream, with a synchronization index provided to map each indi...
07/10/2007
7234062Authentication of remote appliance messages using an embedded cryptographic device
A method for authenticating appliance messages sent between an appliance and an appliance communication center over an appliance communications network includes maintaining a shared message counter at both the appliance communication center. A shared message counter...
06/19/2007
7225339Information recording/playback apparatus and method
In a tree-structural key distribution system, renewed data of a master key and medium key are sent along with a key renewal block (KRB). KRB is such that each of devices included as leaves of a tree structure has a leaf key and restricted node key. A specific KRB ca...
05/29/2007
1        
 
Sign InRegister
Username  
Password   
forgot password?