EM_RSSRK_SIZE
#define EM_RSSRK_VAL(key, i) (key[(i) * EM_RSSRK_SIZE] | \
key[(i) * EM_RSSRK_SIZE + 1] << 8 | \
key[(i) * EM_RSSRK_SIZE + 2] << 16 | \
key[(i) * EM_RSSRK_SIZE + 3] << 24)