Methods for customizing a rijndael block cipher
AssigneeMotorola Solutions, Inc.
InventorsBRIAN W. PRUSS, GARY W. SCHLUCKBIER
Life of this patent
Estimating the term…
Abstract
A key variable loader receives a set of Rijndael parameters that were verified using a simulation computer, wherein the set of Rijndael parameters provide an input for implementing at least one step of the Rijndael block cipher and when used with a secret key allow a conversion between plain text and cipher text using the Rijndael block cipher. The key variable loader further stores the set of Rijndael parameters and subsequently provides the set of Rijndael parameters to a device having a customizable Rijndael block cipher, like a subscriber unit or a key management facility.
Claims15
A method for customizing a Rijndael block cipher, the method comprising:
- a key variable loader performing:
- receiving a set of Rijndael parameters that were verified using a simulation computer, wherein the set of Rijndael parameters provide an input for implementing at least one step of the Rijndael block cipher and when used with a secret key allow a conversion between plain text and cipher text using the Rijndael block cipher;
- storing the set of Rijndael parameters;
- providing the set of Rijndael parameters to a device having a customizable Rijndael block cipher.
A method for customizing a Rijndael block cipher, the method comprising:
- a device, having a customizable Rijndael block cipher, performing
- receiving a secret key for input into the Rijndael block cipher;
- receiving, from a key variable loader, a set of Rijndael parameters that were verified using a simulation computer, wherein the set of Rijndael parameters provide an input for implementing at least one step of the Rijndael block cipher and when used with the secret key allow a conversion between plain text and cipher text using the Rijndael block cipher.
Dependencies are inferred from the claim text.