To solve exposure of secret key in attribute-based signcryption with anonymity for both sender and receiver. key-insulation mechanism to attribute-based signcryption was untroduced. Given the formal definition and security no-tions. the scheme of attribute-based key-insulated signcryption was proposed. https://www.jmannino.com/hot-price-Reebok-Classic-Leather-Weiss-Grun-Gold-great-price/