crypto

package

v0.1.0 Latest Latest Go to latest Published: Jan 26, 2025 License: GPL-3.0 Imports: 3 Imported by: 1

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Valid go.mod file
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Repository

github.com/Gophercraft/mpq

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Documentation ¶

Overview ¶

Package crypto implements the Blizz hashing and encryption algorithms

Index ¶

func Decrypt(key uint32, data []byte)
func HashString(s string, hash_type HashType) uint32
func NewBlock(key uint32) (b *block)
func NewHash(hash_type HashType) hash.Hash32
type HashType

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Decrypt ¶

func Decrypt(key uint32, data []byte)

Decrypts MPQ block information in-situ using key

func HashString ¶

func HashString(s string, hash_type HashType) uint32

Produces a hash for any given string. (case-insensitive)

func NewBlock ¶

func NewBlock(key uint32) (b *block)

Creates a new encryption block block satisfies the cipher.Block interface

func NewHash ¶

func NewHash(hash_type HashType) hash.Hash32

Creates a new Blizz hash digest. This digest implements the hash.Hash32 interface.

Types ¶

type HashType ¶

type HashType uint8

Hash types are permutations that are used to separate different types of hashes.

const (
	HashIndex HashType = iota
	// A and B hashes are used to reduce the rate of collisions
	HashNameA
	HashNameB
	// HashEncryptKey is used when generating decryption keys from strings
	HashEncryptKey
	// HashEncryptData is used internally when encrypting data
	HashEncryptData
)

Source Files ¶

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