The icon has a skinny rectangle with curved ends which is connected to a circle with a smaller corcle at the center of it. At the bottom left side of the skinny rectangle is a smaller rectangle shape sticking upwards.
This Password 1 icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.