# KEY_SIZE

> `const` **KEY\_SIZE**: `32` = `32`

Defined in: [packages/filecoin-encryption-envelope/src/constants.ts:23](https://github.com/FilOzone/synapse-sdk/blob/c853ca3d1b2e90933e6b15131bfa14059bc48fc7/packages/filecoin-encryption-envelope/src/constants.ts#L23)

Content encryption key size (AES-256).