dorkbox
/
ByteUtilities
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Added more hashing + salts from Utils project

master
Robinson 2023-07-02 11:27:40 +02:00
parent 31f8175bdd
commit 0def85a2b2
No known key found for this signature in database
GPG Key ID: 8E7DB78588BD6F5C
1 changed files with 105 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

111
src/dorkbox/bytes/HashExtensions.kt
View File

@ -1,5 +1,5 @@
/*
* Copyright 2021 dorkbox, llc
* Copyright 2023 dorkbox, llc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -15,6 +15,8 @@
*/
package dorkbox.bytes
import dorkbox.bytes.Hash.charToBytes16
import java.awt.SystemColor.text
import java.security.MessageDigest
import java.security.NoSuchAlgorithmException
@ -25,11 +27,6 @@ object Hash {
*/
const val version = BytesInfo.version
init {
// Add this project to the updates system, which verifies this class + UUID + version information
dorkbox.updates.Updates.add(Hash::class.java, "f176cecea06e48e1a96d59c08a6e98c3", BytesInfo.version)
}
internal val digest1 = ThreadLocal.withInitial {
try {
return@withInitial MessageDigest.getInstance("SHA1")
@ -46,6 +43,20 @@ object Hash {
}
}
/**
* this saves the char array in UTF-16 format of bytes
*/
fun charToBytes16(text: CharArray): ByteArray {
// NOTE: this saves the char array in UTF-16 format of bytes.
val bytes = ByteArray(text.size * 2)
for (i in text.indices) {
bytes[2 * i] = (text[i].code shr 8).toByte()
bytes[2 * i + 1] = text[i].code.toByte()
}
return bytes
}
val sha1 get() = digest1.get()
val sha256 get() = digest256.get()
}
@ -66,3 +77,91 @@ fun ByteArray.sha256(): ByteArray {
digest.update(this)
return digest.digest()
}
/**
* gets the SHA1 hash of the specified string, as UTF-16
*/
fun String.sha1(): ByteArray {
val charToBytes = this.toCharArray().charToBytes16()
val digest: MessageDigest = Hash.digest1.get()
val usernameHashBytes = ByteArray(digest.digestLength)
digest.update(charToBytes, 0, charToBytes.size)
digest.digest(usernameHashBytes)
return usernameHashBytes
}
/**
* gets the SHA256 hash of the specified string, as UTF-16
*/
fun String.sha256(): ByteArray {
val charToBytes = this.toCharArray().charToBytes16()
val digest: MessageDigest = Hash.digest256.get()
val usernameHashBytes = ByteArray(digest.digestLength)
digest.update(charToBytes, 0, charToBytes.size)
digest.digest(usernameHashBytes)
return usernameHashBytes
}
/**
* gets the SHA256 hash + SALT of the string, as UTF-16
*/
fun String.sha1WithSalt(saltBytes: ByteArray): ByteArray {
val charToBytes = this.toCharArray().charToBytes16()
val userNameWithSalt = charToBytes + saltBytes
val digest: MessageDigest = Hash.digest1.get()
val usernameHashBytes = ByteArray(digest.digestLength)
digest.update(userNameWithSalt, 0, userNameWithSalt.size)
digest.digest(usernameHashBytes)
return usernameHashBytes
}
/**
* gets the SHA256 hash + SALT of the string, as UTF-16
*/
fun String.sha256WithSalt(saltBytes: ByteArray): ByteArray {
val charToBytes = this.toCharArray().charToBytes16()
val userNameWithSalt = charToBytes + saltBytes
val digest: MessageDigest = Hash.digest256.get()
val usernameHashBytes = ByteArray(digest.digestLength)
digest.update(userNameWithSalt, 0, userNameWithSalt.size)
digest.digest(usernameHashBytes)
return usernameHashBytes
}
/**
* gets the SHA1 hash + SALT of the byte array
*/
fun ByteArray.sha1WithSalt(saltBytes: ByteArray): ByteArray {
val bytesWithSalt = this + saltBytes
val sha256: MessageDigest = Hash.digest1.get()
val usernameHashBytes = ByteArray(sha256.digestLength)
sha256.update(bytesWithSalt, 0, bytesWithSalt.size)
sha256.digest(usernameHashBytes)
return usernameHashBytes
}
/**
* gets the SHA256 hash + SALT of the byte array
*/
fun ByteArray.sha256WithSalt(saltBytes: ByteArray): ByteArray {
val bytesWithSalt = this + saltBytes
val sha256: MessageDigest = Hash.digest256.get()
val usernameHashBytes = ByteArray(sha256.digestLength)
sha256.update(bytesWithSalt, 0, bytesWithSalt.size)
sha256.digest(usernameHashBytes)
return usernameHashBytes
}