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 ...

Zero-correlation linear cryptanalysis is an important method to analyze the security of block ciphers. But there are few works on zero-correlation linear attacks combined with the related-key setting.

Tens of millions of Internet users will be cut off from encrypted webpages in the coming months unless sites are permitted to continue using SHA1, a cryptographic hashing function that’s being retired ...

Any subversive software developer knows its app has truly caught on when repressive regimes around the world start to block it. Earlier this week the encryption app Signal, already a favorite within ...