If you have one of the three: 1. a one-way hash function; 2. a block cipher; or 3. a secure random number generator; then you have the other two. So replace

If you have one of the three: 1. a one-way hash function; 2. a block cipher; or 3. a secure random number generator; then you have the other two. So replace "RC4" with Keccak and the argument stands. Keccak doesn't fit in a tweet but it prints onto a single page, which is easy enough to distribute: https://github.com/gvanas/KeccakCodePackage/blob/master/Standalone/CompactFIPS202/Keccak-more-compact.c https://github.com/gvanas/KeccakCodePackage/blob/master/Stan...