OK_BLOCK_SIZE
n = (inl + ctx->buf_len > OK_BLOCK_SIZE + OK_BLOCK_BLOCK) ? (int)(OK_BLOCK_SIZE + OK_BLOCK_BLOCK - ctx->buf_len) : inl;
if (ctx->buf_len >= OK_BLOCK_SIZE + OK_BLOCK_BLOCK) {
if (ctx->buf_len + 2 * md_size > OK_BLOCK_SIZE)
if (tl > OK_BLOCK_SIZE)
#define IOBS (OK_BLOCK_SIZE + OK_BLOCK_BLOCK + 3 * EVP_MAX_MD_SIZE)