30 lines
829 B
Kotlin
30 lines
829 B
Kotlin
package dev.inmo.tgbotapi.utils
|
|
|
|
import dev.inmo.micro_utils.crypto.SourceBytes
|
|
import dev.inmo.micro_utils.crypto.SourceString
|
|
import javax.crypto.Mac
|
|
import javax.crypto.spec.SecretKeySpec
|
|
|
|
val HEX_ARRAY = "0123456789ABCDEF".toCharArray()
|
|
|
|
private fun SourceBytes.hex(): String {
|
|
val hexChars = CharArray(size * 2)
|
|
for (j in indices) {
|
|
val v: Int = this[j].toInt() and 0xFF
|
|
hexChars[j * 2] = HEX_ARRAY[v ushr 4]
|
|
hexChars[j * 2 + 1] = HEX_ARRAY[v and 0x0F]
|
|
}
|
|
return String(hexChars)
|
|
}
|
|
|
|
actual fun SourceString.hmacSha256(key: String): String {
|
|
val mac = Mac.getInstance("HmacSHA256")
|
|
|
|
val secretKey = SecretKeySpec(key.toByteArray(), "HmacSHA256")
|
|
mac.init(secretKey)
|
|
|
|
return mac.doFinal(toByteArray()).hex()
|
|
}
|
|
|
|
actual fun SourceString.hex(): String = toByteArray().hex()
|