Structure preserving database encryption method and system
(57) A database encryption system and method, the Structure Pre serving Database
Encryption (SPDE), is presented. In the SPDE method, each database cell is encrypted with …
Encryption (SPDE), is presented. In the SPDE method, each database cell is encrypted with …
System and method for fast querying of encrypted databases
R Agrawal, GG Kiernan - US Patent 7,890,774, 2011 - Google Patents
A system, method, computer program product, and data management service that allows
any comparison operation to be applied on encrypted data, without first decrypting the …
any comparison operation to be applied on encrypted data, without first decrypting the …
System and method for fast querying of encrypted databases
R Agrawal, GG Kiernan - US Patent 7,395,437, 2008 - Google Patents
5,848.404 A 12/1998 Hafmer et al. duced using the invention are sound and complete, the
inven 5,963,642 A 10/1999 Goldstein tion is robust against cryptanalysis, and its security …
inven 5,963,642 A 10/1999 Goldstein tion is robust against cryptanalysis, and its security …
Method and apparatus for automatic database encryption
RR Wessman - US Patent 7,111,005, 2006 - Google Patents
Modern database systems store and retrieve vast quanti ties of information. Some of this
information is sensitive, Such as credit card numbers, bank balances, and nuclear secrets …
information is sensitive, Such as credit card numbers, bank balances, and nuclear secrets …
Database management apparatus and encrypting/decrypting system
M Sato, T Takeda, J Mori, K Kurosawa - US Patent 7,093,137, 2006 - Google Patents
In a database, a frequently retrieved column is encrypted using a common key, and other
columns are encrypted using a speci? c roW key. Thus, a retrieving process can be per …
columns are encrypted using a speci? c roW key. Thus, a retrieving process can be per …
Cryptographic infrastructure for encrypting a database
AC Newman, J Mari - US Patent 7,266,699, 2007 - Google Patents
Encryption of non-relational? les is a Well-knoWn art in the? eld of cryptography. These
cryptosystems alloW a user to digitally encrypt information stored in a non-relational format …
cryptosystems alloW a user to digitally encrypt information stored in a non-relational format …
System and method for providing private inference control
JN Staddon, DP Woodruff - US Patent 7,472,105, 2008 - Google Patents
Records in a secure database include attributes. A query homomorphically encrypts indices
identifying one record and attribute. A secret key is generated at a certain query count and is …
identifying one record and attribute. A secret key is generated at a certain query count and is …
Secure multi database system including a client, multi database server, and database server
Y Yagawa, M Yoshimura, A Maeda… - US Patent 6,792,425, 2004 - Google Patents
(57) ABSTRACT A definition tool of the present invention declares columns which are
concealed in external tables to a multi-database Server. The multi-database Server controls …
concealed in external tables to a multi-database Server. The multi-database Server controls …
Database encryption and decryption circuit and method using subkeys
GI Davida, DL Wells, JB Kam - US Patent 4,375,579, 1983 - Google Patents
An encryption and decryption circuit and method using subkeys which is therefore
particularly useful for the encryption and decryption of database information. Each data field …
particularly useful for the encryption and decryption of database information. Each data field …
Data encryption at the client and server level
WC Freeman, RV Hom - US Patent 9,350,714, 2016 - Google Patents
BACKGROUND Sensitive/confidential data may be entered by a user at a client computer.
For example, a doctor, nurse or even a medi cal receptionist may enter sensitive data such …
For example, a doctor, nurse or even a medi cal receptionist may enter sensitive data such …