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Code Issues Releases Wiki Activity

Helper Added: CryptoJS

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keyiflerolsun 2024-08-01 10:11:58 +03:00
parent 9e6e28009c
commit b616e50b00
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1 changed files with 8 additions and 8 deletions
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library/src/commonMain/kotlin/com/lagradost/cloudstream3/extractors/helper/CryptoJSHelper.kt
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@ -4,7 +4,7 @@ import java.net.*
import java.util.* import java.util.*
import java.security.* import java.security.*
import kotlin.math.min import kotlin.math.min
import android.util.Base64 import java.util.Base64
import javax.crypto.Cipher import javax.crypto.Cipher
import javax.crypto.spec.SecretKeySpec import javax.crypto.spec.SecretKeySpec
import javax.crypto.spec.IvParameterSpec import javax.crypto.spec.IvParameterSpec
@ -35,7 +35,7 @@ object CryptoJS {
val saltBytes = generateSalt(8) val saltBytes = generateSalt(8)
val key = ByteArray(KEY_SIZE / 8) val key = ByteArray(KEY_SIZE / 8)
val iv = ByteArray(IV_SIZE / 8) val iv = ByteArray(IV_SIZE / 8)
EvpKDF(password.toByteArray(), KEY_SIZE, IV_SIZE, saltBytes, key, iv) evpkdf(password.toByteArray(), KEY_SIZE, IV_SIZE, saltBytes, key, iv)
val keyS = SecretKeySpec(key, AES) val keyS = SecretKeySpec(key, AES)
val cipher = Cipher.getInstance(HASH_CIPHER) val cipher = Cipher.getInstance(HASH_CIPHER)
@ -51,7 +51,7 @@ object CryptoJS {
System.arraycopy(saltBytes, 0, b, sBytes.size, saltBytes.size) System.arraycopy(saltBytes, 0, b, sBytes.size, saltBytes.size)
System.arraycopy(cipherText, 0, b, sBytes.size + saltBytes.size, cipherText.size) System.arraycopy(cipherText, 0, b, sBytes.size + saltBytes.size, cipherText.size)
val bEncode = Base64.encode(b, Base64.NO_WRAP) val bEncode = Base64.getEncoder().encode(b)
return String(bEncode) return String(bEncode)
} }
@ -62,13 +62,13 @@ object CryptoJS {
* @param cipherText encrypted string * @param cipherText encrypted string
*/ */
fun decrypt(password: String, cipherText: String): String { fun decrypt(password: String, cipherText: String): String {
val ctBytes = Base64.decode(cipherText.toByteArray(), Base64.NO_WRAP) val ctBytes = Base64.getDecoder().decode(cipherText.toByteArray())
val saltBytes = Arrays.copyOfRange(ctBytes, 8, 16) val saltBytes = Arrays.copyOfRange(ctBytes, 8, 16)
val cipherTextBytes = Arrays.copyOfRange(ctBytes, 16, ctBytes.size) val cipherTextBytes = Arrays.copyOfRange(ctBytes, 16, ctBytes.size)
val key = ByteArray(KEY_SIZE / 8) val key = ByteArray(KEY_SIZE / 8)
val iv = ByteArray(IV_SIZE / 8) val iv = ByteArray(IV_SIZE / 8)
EvpKDF(password.toByteArray(), KEY_SIZE, IV_SIZE, saltBytes, key, iv) evpkdf(password.toByteArray(), KEY_SIZE, IV_SIZE, saltBytes, key, iv)
val cipher = Cipher.getInstance(HASH_CIPHER) val cipher = Cipher.getInstance(HASH_CIPHER)
val keyS = SecretKeySpec(key, AES) val keyS = SecretKeySpec(key, AES)
@ -78,12 +78,12 @@ object CryptoJS {
return String(plainText) return String(plainText)
} }
private fun EvpKDF(password: ByteArray, keySize: Int, ivSize: Int, salt: ByteArray, resultKey: ByteArray, resultIv: ByteArray): ByteArray { private fun evpkdf(password: ByteArray, keySize: Int, ivSize: Int, salt: ByteArray, resultKey: ByteArray, resultIv: ByteArray): ByteArray {
return EvpKDF(password, keySize, ivSize, salt, 1, KDF_DIGEST, resultKey, resultIv) return evpkdf(password, keySize, ivSize, salt, 1, KDF_DIGEST, resultKey, resultIv)
} }
@Suppress("NAME_SHADOWING") @Suppress("NAME_SHADOWING")
private fun EvpKDF(password: ByteArray, keySize: Int, ivSize: Int, salt: ByteArray, iterations: Int, hashAlgorithm: String, resultKey: ByteArray, resultIv: ByteArray): ByteArray { private fun evpkdf(password: ByteArray, keySize: Int, ivSize: Int, salt: ByteArray, iterations: Int, hashAlgorithm: String, resultKey: ByteArray, resultIv: ByteArray): ByteArray {
val keySize = keySize / 32 val keySize = keySize / 32
val ivSize = ivSize / 32 val ivSize = ivSize / 32
val targetKeySize = keySize + ivSize val targetKeySize = keySize + ivSize