gmk57

import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.appcompat.app.AppCompatActivity
import androidx.fragment.app.DialogFragment
import androidx.fragment.app.Fragment
import androidx.lifecycle.DefaultLifecycleObserver
import androidx.lifecycle.Lifecycle
import androidx.lifecycle.LifecycleOwner
import androidx.viewbinding.ViewBinding

zgrge

from hashlib import sha1

'''
example of how to calculate SHA-1 hash from EMV CA Public Key in python using VISA 0x09 CA PK
'''

rid = 'A000000003'
index = '09'
modulus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
exponent = '03'

fabiomsr

private val HEX_CHARS = "0123456789ABCDEF".toCharArray()

fun ByteArray.toHex() : String{
    val result = StringBuffer()

    forEach {
        val octet = it.toInt()
        val firstIndex = (octet and 0xF0).ushr(4)
        val secondIndex = octet and 0x0F
        result.append(HEX_CHARS[firstIndex])

terrancesnyder

Regex for matching ALL Japanese common & uncommon Kanji (4e00 – 9fcf) ~ The Big Kahuna!
([一-龯])

Regex for matching Hirgana or Katakana
([ぁ-んァ-ン])

Regex for matching Non-Hirgana or Non-Katakana
([^ぁ-んァ-ン])

Regex for matching Hirgana or Katakana or basic punctuation (、。’)