KeyDerivationContext
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documentation as part of a pre-release, open beta. The features described might change as Amazon receives feedback
and iterates on the features. For the most current feature information, see the Release
Notes.
Represents a context for performing key derivation operations.
Extends
BaseCryptoClass
Methods
deriveBits()
deriveBits(
length):Promise<ArrayBuffer>
Derive bits from the input keying material.
Parameters
length
number
The length of the derived key in bytes.
Returns
Promise<ArrayBuffer>
A promise that resolves to the derived key as an ArrayBuffer.
deriveKey()
deriveKey(
length):Promise<SymmetricKey>
Derive a symmetric key from the input keying material.
Parameters
length
number
The length of the symmetric key in bytes.
Returns
Promise<SymmetricKey>
A promise that resolves to the derived symmetric key.
Last updated: Sep 30, 2025
