etype

package
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Published: Oct 19, 2017 License: Apache-2.0 Imports: 1 Imported by: 0

Documentation

Overview

Package etype provides the Kerberos Encryption Type interface

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type EType

type EType interface {
	GetETypeID() int
	GetHashID() int
	GetKeyByteSize() int
	GetKeySeedBitLength() int                                   // key-generation seed length, k
	GetDefaultStringToKeyParams() string                        // default string-to-key parameters (s2kparams)
	StringToKey(string, salt, s2kparams string) ([]byte, error) // string-to-key (UTF-8 string, UTF-8 string, opaque)->(protocol-key)
	RandomToKey(b []byte) []byte                                // random-to-key (bitstring[K])->(protocol-key)
	GetHMACBitLength() int                                      // HMAC output size, h
	GetMessageBlockByteSize() int                               // message block size, m
	EncryptData(key, data []byte) ([]byte, []byte, error)       // E function - encrypt (specific-key, state, octet string)->(state, octet string)
	EncryptMessage(key, message []byte, usage uint32) ([]byte, []byte, error)
	DecryptData(key, data []byte) ([]byte, error) // D function
	DecryptMessage(key, ciphertext []byte, usage uint32) ([]byte, error)
	GetCypherBlockBitLength() int                           // cipher block size, c
	GetConfounderByteSize() int                             // This is the same as the cipher block size but in bytes.
	DeriveKey(protocolKey, usage []byte) ([]byte, error)    // DK key-derivation (protocol-key, integer)->(specific-key)
	DeriveRandom(protocolKey, usage []byte) ([]byte, error) // DR pseudo-random (protocol-key, octet-string)->(octet-string)
	VerifyIntegrity(protocolKey, ct, pt []byte, usage uint32) bool
	GetChecksumHash(protocolKey, data []byte, usage uint32) ([]byte, error)
	VerifyChecksum(protocolKey, data, chksum []byte, usage uint32) bool
	GetHashFunc() func() hash.Hash
}

EType is the interface defining the Encryption Type.

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