Cryptography is the collection of techniques used to protect information from unauthorized disclosure or modification. These techniques are the basis of the secure sockets layer, or SSL, protocol used to secure e-commerce transactions over the Web. It is difficult to tell the difference between a system that is actually secure and one that merely provides the appearance of security. Keys that are shorter than 128 bits are not considered secure and should not be used. Longer and longer keys are unbridled marketing: Longer keys sound more secure than shorter ones, even if shorter ones.”]
Source: https://www.csoonline.com/article/2119351/a-field-guide-to-spotting-bad-cryptography.html