A formula used to turn ordinary data, or "plaintext," into a secret coded message known as "ciphertext." The ciphertext can reside in storage or travel over unsecure networks without its contents ...

An encryption method that works with continuous streams of input rather than fixed blocks. Bytes of plaintext go into the stream cipher, and bytes of encrypted text come out the other end. RC4 is an ...

In the previous blog post, “Embedded Security Using Cryptography”, we looked at how cryptography can be used for securing assets in embedded systems and ensure confidentiality, integrity and ...

The AES-C core from Alma Technologies implements the FIPS-197 Advanced Encryption Standard. It can be programmed to encrypt or decrypt 128-bit blocks ...

Until now, a 250-year-old encoded text titled the Copiale Cipher baffled cryptographers and historians with bizarre symbols and seemingly random letters. Computer scientist Kevin Knight and two ...

FORT HUACHUCA, Ariz. -- When Ralph Van Deman established the War Department's intelligence organization shortly after the United States entered World War I, he was faced with the daunting task of ...