In its original form encryption was first used by the ancient Egyptians, Mayans, then the Greeks and Romans in wartime and politics. They used it as a security practice to encode messages that can deceive the enemy.
Small, white bumps that are present on the skin may be keratosis pilaris, otherwise known as keratin spots, which is caused by keratin accumulating underneath the skin, as reported by WebMD. Keratosis pilaris is a harmless skin condition, and the bumps can appear basically anywhere on the body like on the thighs, facial regions, buttocks and arms.
Pustules are easily identifiable. They appear as small bumps on the surface of your skin. The bumps are usually white, or red with white in the center. The bump may be painful to the touch and the skin around the bump may be red and inflamed. Common locations for pustules are: 1  shoulders. 2  chest. 3  back. 4  face.