Fast Software Encryption , of or in Abbreviated FSE is a workshop for cryptography research, dealing with Symmetric-key cryptography with an emphasis on fast, as practical techniques, as Opposed to theory. Though “encryption” is part of the conference title, it is not limited to encryption research; research on other Symmetric techniques zoals message authentication codes and hash functions are of or in Presented there. FSE has leg an IACR workshop since 2002, though the first FSE workshop was held in 1993. FSE is held annually in verschillende locations worldwide, mostly in Europe. The dates of the workshop port Varied over the years, but Recently, it has leg hero in February.