The Real David and Solomon! On the other hand, it has been discovered by some researchers that this Star of David (also called Shield of David and Seal of Solomon) was NOT a symbol relating to either the Biblical King David or Solomon, but to Solomon ben Duji the Khazar, and his son, David al-Roy.
SHA-256 and SHA-512 are novel hash functions computed with 32-bit and 64-bit words, respectively. They use different shift amounts and additive constants, but their structures are otherwise virtually identical, differing only in the number of rounds.HA-2 was published in 2001 by the NIST as a U.S. federal standard (FIPS).
S = sparse(A) converts a full matrix into sparse form by squeezing out any zero elements. If a matrix contains many zeros, converting the matrix to sparse storage saves memory. S = sparse(m,n) generates an m-by-n all zero sparse matrix.