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Your search returned 336 patents.
( 380/37 in Current US Classification ) |
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| 1 2 3 4 |
| Patent ID | Title | Date Filed |
| 7043017 | Key stream cipher device
| September 13, 2001 |
| 7039184 | Encryption/decryption unit and storage medium
| March 2, 2004 |
| 7035407 | Data transmission system for prevention of unauthorized copy of data from recording medium
| May 6, 1999 |
| 7035404 | Method and apparatus for shuffle with proof, method and apparatus for shuffle verification, method and apparatus for generating input message sequence and program for same
| March 2, 2001 |
| 7023991 | Method and apparatus for digital signal processing
| November 17, 2000 |
| 7006628 | Efficient packet encryption method
| January 4, 2002 |
| 7006627 | Cipher block chaining mode in encryption/decryption processing
| September 28, 2001 |
| 7003670 | Biometric rights management system
| June 8, 2001 |
| 7003107 | Hybrid stream cipher
| May 22, 2001 |
| 7000119 | Instruction/data protection employing derived obscuring instruction/data
| April 20, 2000 |
| 6996724 | Secret key generating method, common key generating method, encryption method, cryptographic communication method and cryptographic communication system
| January 23, 2001 |
| 6990200 | Encryption method, cryptographic communication method, ciphertext generating device and cryptographic communication system of public-key cryptosystem
| November 1, 2000 |
| 6990199 | Apparatus and method for cipher processing system using multiple port memory and parallel read/write operations
| October 16, 2001 |
| 6990198 | Apparatus and method for securing communication information in CDMA communication system
| May 24, 2001 |
| 6973190 | Method for protecting an electronic system with modular exponentiation-based cryptography against attacks by physical analysis
| June 28, 2001 |
| 6973189 | Method of encrypting information in a TDMA mobile radio system using a modified pseudo-random sequence
| October 1, 1999 |
| 6973187 | Block encryption method and schemes for data confidentiality and integrity protection
| January 18, 2001 |
| 6971022 | Cryptographic apparatus for performing cryptography on a specified area of content data
| June 14, 2000 |
| 6970561 | Encryption and decryption with endurance to cryptanalysis
| April 20, 2000 |
| 6963979 | Cryptographic accelerator
| April 11, 2002 |
| 6961558 | Method and receiver for receiving a radio broadcast signal having encoded contents
| November 26, 2001 |
| 6961428 | Method of videotext information encryption and security transmission in a network
| August 23, 2001 |
| 6957342 | Security module, security system and mobile station
| March 5, 2001 |
| 6952478 | Method and system for performing permutations using permutation instructions based on modified omega and flip stages
| May 7, 2001 |
| 6952477 | Fault intolerant cipher chaining
| July 3, 2000 |
| 6950937 | Secure distributed computation in cryptographic applications
| May 30, 2001 |
| 6950517 | Efficient encryption and authentication for data processing systems
| July 24, 2002 |
| 6948067 | Efficient encryption and authentication for data processing systems
| July 24, 2002 |
| 6947558 | Stream cipher having a shuffle network combiner function
| August 29, 1999 |
| 6940975 | Encryption/decryption apparatus, encryption/decryption method, and program storage medium therefor
| August 19, 1999 |
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