This article called Joseph Smith & The Temple of Doom tells about the similarities between the rituals and symbols used in Mormonism, Free Masonry & Witchcraft.  I would highly recommend reading it.  Here is the background of the person who wrote it before being saved in 1984.
"Bill Schnoebelen has a powerful background!"
 

1. He became a Witch in 1968
2. Witch High Priest 1973
3. Joined Church of Satan 1975
4. Master Mason 1976
5. Gnostic Catholic Bishop 1978
6. Palladium Masonry 1979
7. Master's Degree in Theology 1980
8. Joined LDS Church 1980
9. Went to LDS Temple 1st time 1981
10. LDS Elders' Quorum President 1982
11. LDS Institute Teacher 1983
12. GOT SAVED JUNE 22, 1984

Here is the article called JOSEPH SMITH & THE TEMPLE OF DOOM
http://www.saintsalive.com/mormonism/smith_and_temple_doom.htm