HkdfContextBuilder
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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.
Provides support for building HKDF key derivation contexts.
Extends
BaseCryptoClass
Accessors
hashAlgorithm
Set Signature
set hashAlgorithm(
hash):void
Set the hash algorithm to use with HMAC (e.g., SHA-256).
Parameters
hash
The hash algorithm to use.
Returns
void
info
Set Signature
set info(
info):void
Set the context information for the expansion step.
Parameters
info
ArrayBuffer
The context information for the expansion step.
Returns
void
salt
Set Signature
set salt(
salt):void
Set the salt for the extraction step.
Parameters
salt
ArrayBuffer
The salt to use in the extraction step.
Returns
void
Methods
buildKeyDerivationContext()
buildKeyDerivationContext(
key):KeyDerivationContext
Build a context for deriving bits using HKDF.
Parameters
key
The key to use as the input keying material (IKM).
Returns
The HKDF key derivation context object.
Last updated: Sep 30, 2025
