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.
I have many small white bumps on my feet near my ankles. They scratch off easily and are almost crumbly. The area is itchy after scratching. The area affected is just below the ankle and diminish in number nearer my toes. At first glance it looks like very dry skin but is very rough to the touch. This condition has existed for about 3/4 years.