!!! Overview [{$pagename}] ([Counter mode] with [CBC-MAC]) is a [Block Cipher Mode] that provides [Authenticated Encryption] [{$pagename}] mode is only defined for [Block Ciphers] with a block length of 128 [bits]. The [nonce] of [{$pagename}] must be carefully chosen to never be used more than once for a given [key]. This is because [{$pagename}] is a derivation of [CTR] which is effectively a [Stream Cipher]. !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }]