kdf

package

v0.0.0-...-a03f3f8 Latest Latest Go to latest Published: Apr 9, 2024 License: Apache-2.0 Imports: 7 Imported by: 0

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Repository

github.com/zntrio/crypto

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Documentation ¶

Index ¶

type KDF

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type KDF ¶

type KDF uint16

KDF describes iana-registered key derivation function. https://www.iana.org/assignments/hpke/hpke.xhtml

const (
	// HKDF_SHA256 is a KDF using HKDF with SHA-256.
	HKDF_SHA256 KDF = 0x01
	// HKDF_SHA384 is a KDF using HKDF with SHA-384.
	HKDF_SHA384 KDF = 0x02
	// HKDF_SHA512 is a KDF using HKDF with SHA-512.
	HKDF_SHA512 KDF = 0x03
)

func (KDF) Expand ¶

func (k KDF) Expand(prk, labeledInfo []byte, outputLen uint16) ([]byte, error)

Expand a pseudo random content to the expected length.

func (KDF) Extract ¶

func (k KDF) Extract(secret, salt []byte) []byte

Extract a secret from given parameters.

func (KDF) ExtractSize ¶

func (k KDF) ExtractSize() uint16

ExtractSize returns the extracted buffer size.

func (KDF) IsValid ¶

func (k KDF) IsValid() bool

IsValid checks if the given KDF is supported.

Source Files ¶

View all Source files

kdf.go

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