Pure Front-end hkdf-sha1

Extract

Salt

Uint8Array is expected. It should be 20 bytes.

Ikm (input keying material)

HexString is expected.It should be 20 bytes.

Prk (the extracted key)

Context

dkLen

A positive integer which tells the output byte length.

Prk (the extracted key)

HexString is expected.

Expanded