# ALG_A256KW

> `const` **ALG\_A256KW**: `-5` = `-5`

Defined in: [packages/filecoin-encryption-envelope/src/constants.ts:50](https://github.com/FilOzone/synapse-sdk/blob/4fe24ea1c76c9b1fa1489b7cdbb1cc279bd2576a/packages/filecoin-encryption-envelope/src/constants.ts#L50)

AES key wrap, RFC 9053 §6.2.1.