Patents by Inventor Alexander I. Alten

Alexander I. Alten has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and methods for a vernam stream cipher
    Patent number: 7197142
    Abstract: The invention discloses a cryptographic system and consisting of three methods: a cryptographic Vernam stream cipher that permits software programs on separate computers to encrypt and decrypt information; a cryptographic keyed one-way hash that ensures the integrity and authenticity of a message; a non-cyclic pseudo-random number generator that permits a software program inside a computer to create large amounts of pseudo-random bits at high data rates.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: March 27, 2007
    Inventor: Alexander I. Alten
  • System and methods for a vernam stream cipher, a keyed one-way hash and a non-cyclic pseudo-random number generator
    Publication number: 20030039357
    Abstract: The invention discloses a cryptographic system and consisting of three methods: a cryptographic Vernam stream cipher that permits software programs on separate computers to encrypt and decrypt information; a cryptographic keyed one-way hash that ensures the integrity and authenticity of a message; a non-cyclic pseudo-random number generator that permits a software program inside a computer to create large amounts of pseudo-random bits at high data rates.
    Type: Application
    Filed: August 24, 2001
    Publication date: February 27, 2003
    Inventor: Alexander I. Alten