128b

128b is a term that can refer to several different concepts, primarily related to data representation and technology. In computing, the number 128 is significant in binary. A byte consists of 8 bits, so 128 bits is equivalent to 16 bytes. This length is often used in cryptographic operations, such as the Advanced Encryption Standard (AES), where block sizes and key lengths can be 128 bits. For instance, AES-128 uses a 128-bit key to encrypt data.

Another context for 128b might be found in networking or data transmission. For example, in some high-speed communication standards, data is encoded in blocks or symbols that can be represented by a certain number of bits. While not a universally standardized term on its own, "128b" could appear as part of a larger specification indicating a particular data width or configuration. It might also be a shorthand used within specific technical discussions or product documentation to denote a characteristic related to 128 bits. The precise meaning of "128b" depends heavily on the context in which it is used.