SHA_BLOCKWORDS    287 ext/digest/sha.c       shaByteSwap (ctx->key, (u_char *) ctx->key, SHA_BLOCKWORDS);
SHA_BLOCKWORDS    296 ext/digest/sha.c       shaByteSwap (ctx->key, buf, SHA_BLOCKWORDS);
SHA_BLOCKWORDS     33 ext/digest/sha.h  unsigned int key[SHA_BLOCKWORDS];