Fish cracker Fish cracker Fish crackers are deep fried crackers made from fish and spices that serve as flavouring. The crackers also mixed with tapioca flour and/or sago flour as the main ingredients and the salt, sugar and MSG as seasonings. Fish crackers can be found in Southeast Asia and East Asia. However, they are more varied and commonly found in Indonesia and Malaysia. Next to "krupuk udang" (prawn cracker), "krupuk ikan" (fish cracker) is also a favourite snack, as both are popular "krupuk" types known in Indonesia. "Tenggiri" (wahoo) and "cakalang" (skipjack tuna) probably are the most popular fish used for
Skipjack (cipher) for US government applications. Skipjack uses an 80-bit key to encrypt or decrypt 64-bit data blocks. It is an unbalanced Feistel network with 32 rounds. It was designed to be used in secured phones. Eli Biham and Adi Shamir discovered an attack against 16 of the 32 rounds within one day of declassification, and (with Alex Biryukov) extended this to 31 of the 32 rounds (but with an attack only slightly faster than exhaustive search) within months using impossible differential cryptanalysis. A truncated differential attack was also published against 28 rounds of Skipjack cipher. A claimed attack against the full